{"id":1618,"date":"2026-08-20T08:57:36","date_gmt":"2026-08-20T08:57:36","guid":{"rendered":"https:\/\/splineshaft.top\/spline-fretting-symptoms-causes-and-design-checks\/"},"modified":"2026-08-24T07:38:29","modified_gmt":"2026-08-24T07:38:29","slug":"spline-fretting-symptoms-causes-and-design-checks","status":"publish","type":"post","link":"https:\/\/splineshaft.top\/el\/spline-fretting-symptoms-causes-and-design-checks\/","title":{"rendered":"\u03a4\u03ac\u03c3\u03c4\u03b9\u03bd\u03b3\u03ba \u03bc\u03b5 \u03c3\u03c0\u03b5\u03af\u03c1\u03c9\u03bc\u03b1: \u03a3\u03c5\u03bc\u03c0\u03c4\u03ce\u03bc\u03b1\u03c4\u03b1, \u03b1\u03b9\u03c4\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd"},"content":{"rendered":"<p class=\"ss-lead\"><strong>\u03a4\u03ac\u03c3\u03c4\u03b9\u03bd\u03b3\u03ba \u03bc\u03b5 \u03c3\u03c0\u03b5\u03af\u03c1\u03c9\u03bc\u03b1: \u03a3\u03c5\u03bc\u03c0\u03c4\u03ce\u03bc\u03b1\u03c4\u03b1, \u03b1\u03b9\u03c4\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd<\/strong> \u2014 Fretting occurs when loaded mating surfaces experience very small repeated relative motion. On spline flanks it can produce dark or reddish debris, polishing and local damage; the review should focus on fit, contact pressure, alignment, restraint and lubrication rather than simply replacing the worn shaft.<\/p>\n<p>\u0393\u03b9\u03b1 <strong>spline fretting<\/strong>, \u03b7 \u03c0\u03b9\u03bf \u03b1\u03be\u03b9\u03cc\u03c0\u03b9\u03c3\u03c4\u03b7 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ae \u03b5\u03af\u03bd\u03b1\u03b9 \u03b1\u03c5\u03c4\u03ae \u03c0\u03bf\u03c5 \u03ad\u03bd\u03b1\u03c2 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03c4\u03ae\u03c2, \u03ad\u03bd\u03b1\u03c2 \u03b1\u03b3\u03bf\u03c1\u03b1\u03c3\u03c4\u03ae\u03c2, \u03ad\u03bd\u03b1\u03c2 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03b1\u03c3\u03c4\u03ae\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03bd\u03b1\u03c2 \u03b5\u03c0\u03b9\u03b8\u03b5\u03c9\u03c1\u03b7\u03c4\u03ae\u03c2 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03b5\u03c1\u03bc\u03b7\u03bd\u03b5\u03cd\u03c3\u03bf\u03c5\u03bd \u03bc\u03b5 \u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf \u03c4\u03c1\u03cc\u03c0\u03bf. \u0397 \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c5\u03b6\u03ae\u03c4\u03b7\u03c3\u03b7 \u03b5\u03c0\u03b9\u03ba\u03b5\u03bd\u03c4\u03c1\u03ce\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c3\u03b5 \u03bc\u03b5\u03c4\u03c1\u03ae\u03c3\u03b9\u03bc\u03b1 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2, \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03c3\u03c5\u03bd\u03b1\u03c1\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03bf\u03cd\u03c2 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03cc\u03c7\u03b9 \u03c3\u03b5 \u03b3\u03b5\u03bd\u03b9\u03ba\u03ad\u03c2 \u03b1\u03be\u03b9\u03ce\u03c3\u03b5\u03b9\u03c2 \u03c1\u03bf\u03c0\u03ae\u03c2, \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae\u03c2 \u03ae \u03b4\u03b9\u03ac\u03c1\u03ba\u03b5\u03b9\u03b1\u03c2 \u03b6\u03c9\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03b4\u03b5\u03bd \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03b9\u03c3\u03c4\u03bf\u03cd\u03bd \u03c7\u03c9\u03c1\u03af\u03c2 \u03c0\u03bb\u03ae\u03c1\u03b7 \u03b3\u03b5\u03c9\u03bc\u03b5\u03c4\u03c1\u03af\u03b1 \u03ba\u03b1\u03b9 \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2.<\/p>\n<h2>Fretting Debris And Oxide<\/h2>\n<p><strong>Fretting Debris And Oxide<\/strong> \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03b8\u03b5\u03af \u03c9\u03c2 \u03c3\u03cd\u03bc\u03c0\u03c4\u03c9\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2. \u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03c0\u03bf\u03cd \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b6\u03b7\u03bc\u03b9\u03ac, \u03b5\u03ac\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ae, \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03bc\u03ad\u03bb\u03bf\u03c5\u03c2, \u03c4\u03bf \u03b9\u03c3\u03c4\u03bf\u03c1\u03b9\u03ba\u03cc \u03bb\u03af\u03c0\u03b1\u03bd\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c7\u03b1\u03bb\u03b1\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ae \u03b5\u03c5\u03b8\u03c5\u03b3\u03c1\u03ac\u03bc\u03bc\u03b9\u03c3\u03b7\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc \u03ae \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c1\u03c1\u03b9\u03c8\u03b7 \u03c4\u03c9\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n<p>Corrective action depends on the mechanism. A harder replacement shaft will not fix an eccentric hub, inadequate engagement or contaminated lubricant. Compare both members, check support bearings and datums, and verify the intended fit before changing material or tolerance. For this topic, connect that decision to the mating component and the drawing revision used for the RFQ. When reviewing spline fretting, revisit this point whenever the mating component, material condition or operating duty changes.<\/p>\n<h2>Small Oscillatory Motion<\/h2>\n<p><strong>Small Oscillatory Motion<\/strong> should be reviewed in the context of spline fretting. Identify the mating component, operating function and drawing feature that this decision controls. The requirement should be measurable and connected to fit, torque transfer, alignment, wear or another defined assembly need.<\/p>\n<p>Consider the decision together with material condition, manufacturing sequence and inspection access. If the part is a replacement, compare unworn geometry and the mating member instead of copying damage. For new designs, keep open process choices flexible unless a specific process is itself required by the design. In this review, the useful acceptance criterion is the one that can be traced to a functional drawing characteristic. When reviewing spline fretting, revisit this point whenever the mating component, material condition or operating duty changes.<\/p>\n<figure class=\"ss-inline-media\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/splineshaft.top\/wp-content\/uploads\/2026\/08\/application-drivetrain.webp\" alt=\"Spline Fretting: Symptoms, Causes and Design Checks - Small Oscillatory Motion\"><\/figure>\n<h2>Contact Pressure<\/h2>\n<p><strong>Contact Pressure<\/strong> should be reviewed in the context of spline fretting. Identify the mating component, operating function and drawing feature that this decision controls. The requirement should be measurable and connected to fit, torque transfer, alignment, wear or another defined assembly need.<\/p>\n<p>Consider the decision together with material condition, manufacturing sequence and inspection access. If the part is a replacement, compare unworn geometry and the mating member instead of copying damage. For new designs, keep open process choices flexible unless a specific process is itself required by the design. For repeat work, keep the same datum and measurement basis unless the assembly requirement changes. For Spline Fretting: Symptoms, Causes and Design Checks, apply this check to the specific spline fretting interface shown on the current drawing.<\/p>\n<h2>Fit Looseness<\/h2>\n<p><strong>Fit Looseness<\/strong> affects contact area, assembly feel and load distribution. Effective engagement is the length over which the tooth flanks can actually carry load; chamfers, reliefs and incomplete tooth portions should not automatically be counted as working length.<\/p>\n<p>Fit must be evaluated as a pair of mating members. Tooth thickness, space width, diameter clearances, alignment and temperature all contribute. For replacements, inspect both parts because wear in the hub can make a new shaft feel loose even when the new external spline is within its drawing tolerance. When the duty or mating member changes, revisit this point instead of carrying the previous assumption forward. For Spline Fretting: Symptoms, Causes and Design Checks, apply this check to the specific spline fretting interface shown on the current drawing.<\/p>\n<h2>Misalignment<\/h2>\n<p><strong>Misalignment<\/strong> \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03b8\u03b5\u03af \u03c9\u03c2 \u03c3\u03cd\u03bc\u03c0\u03c4\u03c9\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2. \u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03c0\u03bf\u03cd \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b6\u03b7\u03bc\u03b9\u03ac, \u03b5\u03ac\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ae, \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03bc\u03ad\u03bb\u03bf\u03c5\u03c2, \u03c4\u03bf \u03b9\u03c3\u03c4\u03bf\u03c1\u03b9\u03ba\u03cc \u03bb\u03af\u03c0\u03b1\u03bd\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c7\u03b1\u03bb\u03b1\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ae \u03b5\u03c5\u03b8\u03c5\u03b3\u03c1\u03ac\u03bc\u03bc\u03b9\u03c3\u03b7\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc \u03ae \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c1\u03c1\u03b9\u03c8\u03b7 \u03c4\u03c9\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n<p>Corrective action depends on the mechanism. A harder replacement shaft will not fix an eccentric hub, inadequate engagement or contaminated lubricant. Compare both members, check support bearings and datums, and verify the intended fit before changing material or tolerance. For this topic, connect that decision to the mating component and the drawing revision used for the RFQ. When reviewing spline fretting, revisit this point whenever the mating component, material condition or operating duty changes.<\/p>\n<figure class=\"ss-inline-media\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/splineshaft.top\/wp-content\/uploads\/2026\/08\/inspection-probe.webp\" alt=\"Spline Fretting: Symptoms, Causes and Design Checks - Misalignment\"><\/figure>\n<h2>Lubrication Limitations<\/h2>\n<p><strong>Lubrication Limitations<\/strong> \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b5\u03c1\u03b5\u03c5\u03bd\u03b7\u03b8\u03b5\u03af \u03c9\u03c2 \u03c3\u03cd\u03bc\u03c0\u03c4\u03c9\u03bc\u03b1 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03ae\u03c1\u03bf\u03c5\u03c2 \u03c3\u03cd\u03bd\u03b4\u03b5\u03c3\u03b7\u03c2 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2. \u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03c0\u03bf\u03cd \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03b7 \u03b6\u03b7\u03bc\u03b9\u03ac, \u03b5\u03ac\u03bd \u03b5\u03af\u03bd\u03b1\u03b9 \u03c3\u03c5\u03bc\u03bc\u03b5\u03c4\u03c1\u03b9\u03ba\u03ae, \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03bc\u03ad\u03bb\u03bf\u03c5\u03c2, \u03c4\u03bf \u03b9\u03c3\u03c4\u03bf\u03c1\u03b9\u03ba\u03cc \u03bb\u03af\u03c0\u03b1\u03bd\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c0\u03bf\u03b9\u03bf\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03c0\u03c1\u03cc\u03b2\u03bb\u03b7\u03bc\u03b1 \u03c7\u03b1\u03bb\u03b1\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ae \u03b5\u03c5\u03b8\u03c5\u03b3\u03c1\u03ac\u03bc\u03bc\u03b9\u03c3\u03b7\u03c2 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03ba\u03b1\u03b8\u03b1\u03c1\u03b9\u03c3\u03bc\u03cc \u03ae \u03c4\u03b7\u03bd \u03b1\u03c0\u03cc\u03c1\u03c1\u03b9\u03c8\u03b7 \u03c4\u03c9\u03bd \u03b5\u03be\u03b1\u03c1\u03c4\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd.<\/p>\n<p>Corrective action depends on the mechanism. A harder replacement shaft will not fix an eccentric hub, inadequate engagement or contaminated lubricant. Compare both members, check support bearings and datums, and verify the intended fit before changing material or tolerance. In this review, the useful acceptance criterion is the one that can be traced to a functional drawing characteristic. For Spline Fretting: Symptoms, Causes and Design Checks, apply this check to the specific spline fretting interface shown on the current drawing.<\/p>\n<h2>\u039c\u03b9\u03b1 \u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1 \u03c0\u03c1\u03b1\u03ba\u03c4\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b1\u03bd\u03ac\u03bb\u03b7\u03c8\u03b7\u03c2<\/h2>\n<p>A practical review sequence starts with the mating component and torque path, then confirms tooth system, engagement and the shaft features that locate the connection. Next define material and heat treatment, functional finishes and any runout or position requirements. For repeat work, keep the same datum and measurement basis unless the assembly requirement changes. In a spline fretting RFQ, keep this point tied to the mating member, datum scheme and finished-part acceptance method.<\/p>\n<p>Finish by agreeing the inspection method, quantity and first-article documentation. This order prevents process or tolerance decisions from being made before the functional interface is understood and makes quotations easier to compare because the same design inputs are presented to each supplier. When the duty or mating member changes, revisit this point instead of carrying the previous assumption forward. For Spline Fretting: Symptoms, Causes and Design Checks, apply this check to the specific spline fretting interface shown on the current drawing.<\/p>\n<h2>Surface Condition<\/h2>\n<p><strong>Surface Condition<\/strong> should be reviewed in the context of spline fretting. Identify the mating component, operating function and drawing feature that this decision controls. The requirement should be measurable and connected to fit, torque transfer, alignment, wear or another defined assembly need.<\/p>\n<p>Consider the decision together with material condition, manufacturing sequence and inspection access. If the part is a replacement, compare unworn geometry and the mating member instead of copying damage. For new designs, keep open process choices flexible unless a specific process is itself required by the design. For this topic, connect that decision to the mating component and the drawing revision used for the RFQ. For Spline Fretting: Symptoms, Causes and Design Checks, apply this check to the specific spline fretting interface shown on the current drawing.<\/p>\n<figure class=\"ss-inline-media\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/splineshaft.top\/wp-content\/uploads\/2026\/08\/finished-shafts.webp\" alt=\"Spline Fretting: Symptoms, Causes and Design Checks - Surface Condition\"><\/figure>\n<h2>Design And Maintenance Checks<\/h2>\n<p><strong>Design And Maintenance Checks<\/strong> should be reviewed in the context of spline fretting. Identify the mating component, operating function and drawing feature that this decision controls. The requirement should be measurable and connected to fit, torque transfer, alignment, wear or another defined assembly need.<\/p>\n<p>Consider the decision together with material condition, manufacturing sequence and inspection access. If the part is a replacement, compare unworn geometry and the mating member instead of copying damage. For new designs, keep open process choices flexible unless a specific process is itself required by the design. In this review, the useful acceptance criterion is the one that can be traced to a functional drawing characteristic. For Spline Fretting: Symptoms, Causes and Design Checks, record the resulting requirement on the drawing or purchase specification so it remains consistent on repeat orders.<\/p>\n<h2>\u03a3\u03c5\u03bd\u03b7\u03b8\u03b9\u03c3\u03bc\u03ad\u03bd\u03b1 \u03bb\u03ac\u03b8\u03b7 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03c0\u03bf\u03c6\u03b5\u03cd\u03b3\u03b5\u03c4\u03b5<\/h2>\n<p>Common errors in spline fretting come from treating one nominal value as if it defines the complete interface. Missing pressure angle, unclear datums, copied wear dimensions, unspecified hardness location and mismatched inspection methods can all create parts that look correct on paper but do not assemble consistently.<\/p>\n<p>A better review starts with the mating pair, identifies the load path and locating features, then connects geometry, material condition and inspection to those functions. Close open questions on the drawing before production and retain the agreed interpretation with the revision for repeat orders. For repeat work, keep the same datum and measurement basis unless the assembly requirement changes. For Spline Fretting: Symptoms, Causes and Design Checks, record the resulting requirement on the drawing or purchase specification so it remains consistent on repeat orders.<\/p>\n<h2>\u03a3\u03cd\u03bd\u03bf\u03c8\u03b7 \u03b1\u03c0\u03cc\u03c6\u03b1\u03c3\u03b7\u03c2<\/h2>\n<div class=\"ss-table-wrap\">\n<table class=\"ss-spec-table\">\n<thead>\n<tr>\n<th>\u03a0\u03b5\u03c1\u03b9\u03bf\u03c7\u03ae \u03bb\u03ae\u03c8\u03b7\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03c9\u03bd<\/th>\n<th>\u03a4\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03b2\u03b5\u03b2\u03b1\u03b9\u03ce\u03c3\u03b5\u03c4\u03b5<\/th>\n<th>\u0393\u03b9\u03b1\u03c4\u03af \u03ad\u03c7\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u0393\u03b5\u03c9\u03bc\u03b5\u03c4\u03c1\u03af\u03b1 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2<\/td>\n<td>\u03a3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b4\u03bf\u03bd\u03c4\u03b9\u03ce\u03bd, \u03b4\u03b9\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf\u03b9, \u03b5\u03bc\u03c0\u03bb\u03bf\u03ba\u03ae \u03ba\u03b1\u03b9 \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae<\/td>\n<td>\u0395\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9 \u03c4\u03b7 \u03c3\u03c5\u03bc\u03b2\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03c0\u03bb\u03b5\u03c5\u03c1\u03b9\u03ba\u03ae \u03b5\u03c0\u03b1\u03c6\u03ae<\/td>\n<\/tr>\n<tr>\n<td>\u03a4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1<\/td>\n<td>\u03a3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2, \u03b7\u03bc\u03b5\u03c1\u03bf\u03bb\u03cc\u03b3\u03b9\u03b1, \u03ce\u03bc\u03bf\u03b9 \u03ba\u03b1\u03b9 runout<\/td>\n<td>\u0395\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9 \u03c4\u03b7\u03bd \u03b5\u03c5\u03b8\u03c5\u03b3\u03c1\u03ac\u03bc\u03bc\u03b9\u03c3\u03b7 \u03c3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03b1\u03c1\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7<\/td>\n<\/tr>\n<tr>\n<td>\u039a\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c5\u03bb\u03b9\u03ba\u03bf\u03cd<\/td>\n<td>\u0392\u03b1\u03b8\u03bc\u03cc\u03c2, \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1, \u03c3\u03ba\u03bb\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03c6\u03b9\u03bd\u03af\u03c1\u03b9\u03c3\u03bc\u03b1<\/td>\n<td>\u039f\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7\u03bd \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c6\u03b8\u03bf\u03c1\u03ac\u03c2<\/td>\n<\/tr>\n<tr>\n<td>\u0394\u03b1\u03c3\u03bc\u03cc\u03c2<\/td>\n<td>\u03a1\u03bf\u03c0\u03ae, \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1, \u03ba\u03c1\u03b1\u03b4\u03b1\u03c3\u03bc\u03bf\u03af, \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd<\/td>\n<td>\u03a3\u03c5\u03bd\u03b4\u03ad\u03b5\u03b9 \u03c4\u03bf\u03bd \u03bf\u03c1\u03b9\u03c3\u03bc\u03cc \u03c4\u03bf\u03c5 \u03b5\u03be\u03b1\u03c1\u03c4\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b5\u03c2 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2<\/td>\n<\/tr>\n<tr>\n<td>\u0395\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7<\/td>\n<td>\u0395\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03ba\u03b1\u03b9 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2<\/td>\n<td>\u0394\u03b9\u03b1\u03c4\u03b7\u03c1\u03b5\u03af \u03c4\u03b7\u03bd \u03b1\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae \u03c3\u03c5\u03bd\u03b5\u03c0\u03ae \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c0\u03c1\u03bf\u03bc\u03b7\u03b8\u03b5\u03c5\u03c4\u03ae \u03ba\u03b1\u03b9 \u03b1\u03b3\u03bf\u03c1\u03b1\u03c3\u03c4\u03ae<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>\u039b\u03af\u03c3\u03c4\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c0\u03c1\u03bf\u03b4\u03b9\u03b1\u03b3\u03c1\u03b1\u03c6\u03ce\u03bd<\/h2>\n<ul>\n<li>\u03a3\u03c5\u03bd\u03b4\u03b5\u03c4\u03b9\u03ba\u03cc \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf \u03ba\u03b1\u03b9 \u03b5\u03be\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc\u03c2\/\u03b5\u03c3\u03c9\u03c4\u03b5\u03c1\u03b9\u03ba\u03cc\u03c2 \u03c0\u03c1\u03bf\u03c3\u03b1\u03bd\u03b1\u03c4\u03bf\u03bb\u03b9\u03c3\u03bc\u03cc\u03c2 \u03b4\u03bf\u03bd\u03c4\u03b9\u03bf\u03cd<\/li>\n<li>\u03a3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b5\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ae \u03b2\u03ae\u03bc\u03b1\u03c4\u03bf\u03c2, \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03b4\u03bf\u03bd\u03c4\u03b9\u03ce\u03bd, \u03b3\u03c9\u03bd\u03af\u03b1 \u03c0\u03af\u03b5\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03cd\u03c1\u03b9\u03b5\u03c2\/\u03b4\u03b5\u03c5\u03c4\u03b5\u03c1\u03b5\u03cd\u03bf\u03c5\u03c3\u03b5\u03c2 \u03b4\u03b9\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf\u03b9<\/li>\n<li>\u0391\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03bc\u03c0\u03bb\u03bf\u03ba\u03ae, \u03b5\u03c6\u03b1\u03c1\u03bc\u03bf\u03b3\u03ae \u03ae \u03b1\u03bd\u03bf\u03c7\u03ae \u03b2\u03ac\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03b7 \u03b5\u03ac\u03bd \u03b1\u03c0\u03b1\u03b9\u03c4\u03b5\u03af\u03c4\u03b1\u03b9<\/li>\n<li>\u03a5\u03bb\u03b9\u03ba\u03cc, \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1, \u03b8\u03ad\u03c3\u03b7 \u03c3\u03ba\u03bb\u03b7\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ac \u03c6\u03b9\u03bd\u03b9\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03b1 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1\u03c2<\/li>\n<li>\u03a3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2, \u03b4\u03b9\u03ac\u03bc\u03b5\u03c4\u03c1\u03bf\u03b9 \u03c1\u03bf\u03c5\u03bb\u03b5\u03bc\u03ac\u03bd \u03ae \u03c0\u03b9\u03bb\u03cc\u03c4\u03bf\u03c5, \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b5\u03ba\u03ba\u03b5\u03bd\u03c4\u03c1\u03cc\u03c4\u03b7\u03c4\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03be\u03bf\u03bd\u03b9\u03ba\u03ae\u03c2 \u03b8\u03ad\u03c3\u03b7\u03c2<\/li>\n<li>\u03a1\u03bf\u03c0\u03ae, \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1, \u03ba\u03c1\u03b1\u03b4\u03b1\u03c3\u03bc\u03bf\u03af \u03ae \u03c6\u03bf\u03c1\u03c4\u03af\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03c1\u03bf\u03c6\u03b7\u03c2 \u03c6\u03cc\u03c1\u03c4\u03b9\u03c3\u03b7\u03c2, \u03bb\u03af\u03c0\u03b1\u03bd\u03c3\u03b7 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1\u03c2<\/li>\n<li>\u03a0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1, \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03c0\u03c1\u03ce\u03c4\u03bf\u03c5 \u03ac\u03c1\u03b8\u03c1\u03bf\u03c5 \u03ba\u03b1\u03b9 \u03c3\u03c5\u03bc\u03c6\u03c9\u03bd\u03b7\u03bc\u03ad\u03bd\u03b7 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7 \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7\u03c2<\/li>\n<\/ul>\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03c4\u03bf <a href=\"\/el\/products\/\">\u03b3\u03ba\u03ac\u03bc\u03b1 \u03c0\u03c1\u03bf\u03ca\u03cc\u03bd\u03c4\u03c9\u03bd \u03ac\u03be\u03bf\u03bd\u03b1 spline<\/a> \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03c3\u03c5\u03b3\u03ba\u03c1\u03af\u03bd\u03b5\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b4\u03b9\u03b1\u03b8\u03ad\u03c3\u03b9\u03bc\u03b5\u03c2 \u03b4\u03b9\u03b1\u03bc\u03bf\u03c1\u03c6\u03ce\u03c3\u03b5\u03b9\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03bf <a href=\"\/el\/engineering\/spline-shaft-rfq-drawing-checklist\/\">\u039b\u03af\u03c3\u03c4\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2 RFQ \u03b3\u03b9\u03b1 \u03c3\u03c7\u03ad\u03b4\u03b9\u03b1, \u03bb\u03af\u03c3\u03c4\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5.<\/a> to prepare a complete enquiry. When the duty or mating member changes, revisit this point instead of carrying the previous assumption forward. For Spline Fretting: Symptoms, Causes and Design Checks, record the resulting requirement on the drawing or purchase specification so it remains consistent on repeat orders.<\/p>\n<h2>Engineering worksheet for spline fretting<\/h2>\n<p>\u03a7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03ae\u03c3\u03c4\u03b5 \u03b1\u03c5\u03c4\u03cc \u03c4\u03bf \u03c6\u03cd\u03bb\u03bb\u03bf \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b3\u03c5\u03c1\u03af\u03c3\u03b5\u03c4\u03b5 <strong>\u03a4\u03ac\u03c3\u03c4\u03b9\u03bd\u03b3\u03ba \u03bc\u03b5 \u03c3\u03c0\u03b5\u03af\u03c1\u03c9\u03bc\u03b1: \u03a3\u03c5\u03bc\u03c0\u03c4\u03ce\u03bc\u03b1\u03c4\u03b1, \u03b1\u03b9\u03c4\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd<\/strong> \u03c3\u03b5 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2 \u03c0\u03bf\u03c5 \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bd \u03bd\u03b1 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03b1\u03c3\u03c4\u03bf\u03cd\u03bd \u03c3\u03b5 \u03ad\u03bd\u03b1 \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf, \u03bd\u03b1 \u03b5\u03bb\u03b5\u03b3\u03c7\u03b8\u03bf\u03cd\u03bd \u03ba\u03b1\u03c4\u03ac \u03c4\u03b7\u03bd \u03c0\u03c1\u03bf\u03c3\u03c6\u03bf\u03c1\u03ac \u03ba\u03b1\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03c5\u03c4\u03bf\u03cd\u03bd \u03c3\u03c4\u03b7\u03bd \u03c0\u03c1\u03ce\u03c4\u03b7 \u03c0\u03b1\u03c1\u03ac\u03b3\u03c1\u03b1\u03c6\u03bf. \u039e\u03b5\u03ba\u03b9\u03bd\u03ae\u03c3\u03c4\u03b5 \u03bc\u03b5 <strong>Fretting Debris And Oxide<\/strong> \u03ba\u03b1\u03b9 <strong>Small Oscillatory Motion<\/strong>, \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03b1\u03c5\u03c4\u03ac \u03c4\u03b1 \u03b4\u03cd\u03bf \u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03b1 \u03c3\u03c5\u03bd\u03ae\u03b8\u03c9\u03c2 \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03b5\u03af\u03c4\u03b5 \u03c4\u03b7 \u03b3\u03b5\u03c9\u03bc\u03b5\u03c4\u03c1\u03af\u03b1 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03b5\u03af\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c5\u03bb\u03b9\u03ba\u03ae \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03b5\u03b9 \u03b7 \u03c5\u03c0\u03cc\u03bb\u03bf\u03b9\u03c0\u03b7 \u03b4\u03b9\u03b1\u03b4\u03b9\u03ba\u03b1\u03c3\u03af\u03b1. \u03a3\u03c4\u03b7 \u03c3\u03c5\u03bd\u03ad\u03c7\u03b5\u03b9\u03b1, \u03b5\u03c0\u03b1\u03bd\u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b5 <strong>Contact Pressure<\/strong>, <strong>Fit Looseness<\/strong> \u03ba\u03b1\u03b9 <strong>Misalignment<\/strong> \u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c4\u03b7\u03c2 \u03c0\u03c1\u03b1\u03b3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae\u03c2 \u03c3\u03c5\u03bd\u03b1\u03c1\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03b1\u03bd\u03c4\u03af \u03bd\u03b1 \u03c4\u03b9\u03c2 \u03b1\u03bd\u03c4\u03b9\u03bc\u03b5\u03c4\u03c9\u03c0\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c9\u03c2 \u03b1\u03bd\u03b5\u03be\u03ac\u03c1\u03c4\u03b7\u03c4\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03ba\u03b1\u03c4\u03b1\u03bb\u03cc\u03b3\u03bf\u03c5.<\/p>\n<p>For troubleshooting, document the condition before the parts are cleaned or discarded. Record wear location, debris, polishing, pitting, discoloration, fretting, tooth-edge contact and any difference around the circumference. Check the mating part, bearing condition, lubrication path and assembly alignment. A replacement based only on the damaged shaft can reproduce the same problem if the underlying cause is elsewhere in the connection. For Spline Fretting: Symptoms, Causes and Design Checks, apply this check to the specific spline fretting interface shown on the current drawing.<\/p>\n<p>Use fretting debris and oxide, contact pressure and misalignment to separate symptom from cause. Compare measurements in unworn areas, verify datums and runout, and look for evidence of insufficient engagement or uneven flank contact. If the operating duty has changed, add the new torque, speed, reversal frequency, temperature or contamination condition to the engineering review before a replacement drawing is released.<\/p>\n<h3>\u0391\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03af\u03b1 \u03b1\u03bd\u03b1\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7\u03c2 \u03c3\u03c7\u03b5\u03b4\u03af\u03b1\u03c3\u03b7\u03c2<\/h3>\n<p>\u03a0\u03c1\u03b9\u03bd \u03b6\u03b7\u03c4\u03ae\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae, \u03b5\u03be\u03b5\u03c4\u03ac\u03c3\u03c4\u03b5 \u03c4\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03bc\u03b5 \u03c4\u03b7\u03bd \u03af\u03b4\u03b9\u03b1 \u03c3\u03b5\u03b9\u03c1\u03ac \u03c0\u03bf\u03c5 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b5\u03af \u03b7 \u03c3\u03c5\u03bd\u03b1\u03c1\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7: \u03c3\u03cd\u03c3\u03c4\u03b7\u03bc\u03b1 \u03b4\u03bf\u03bd\u03c4\u03b9\u03ce\u03bd \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2, \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03b5\u03c3\u03bc\u03b1\u03c4\u03b9\u03ba\u03ae \u03b5\u03bc\u03c0\u03bb\u03bf\u03ba\u03ae, \u03b5\u03bd\u03c4\u03bf\u03c0\u03b9\u03c3\u03bc\u03cc\u03c2 \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2, \u03c0\u03b1\u03c1\u03b1\u03ba\u03b5\u03af\u03bc\u03b5\u03bd\u03b1 \u03ba\u03bf\u03bc\u03b2\u03af\u03b1 \u03ae \u03ce\u03bc\u03bf\u03b9, \u03c5\u03bb\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1, \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ac \u03c6\u03b9\u03bd\u03b9\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03bc\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7\u03c2. <strong>spline fretting<\/strong>, \u03b7 \u03c3\u03b5\u03b9\u03c1\u03ac \u03ad\u03c7\u03b5\u03b9 \u03c3\u03b7\u03bc\u03b1\u03c3\u03af\u03b1 \u03b5\u03c0\u03b5\u03b9\u03b4\u03ae \u03bf\u03b9 \u03bc\u03b5\u03c4\u03b1\u03b3\u03b5\u03bd\u03ad\u03c3\u03c4\u03b5\u03c1\u03b5\u03c2 \u03b1\u03c0\u03bf\u03c6\u03ac\u03c3\u03b5\u03b9\u03c2, \u03cc\u03c0\u03c9\u03c2 \u03b7 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03b4\u03b9\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03ae \u03b7 \u03b5\u03c0\u03b9\u03bb\u03bf\u03b3\u03ae \u03bc\u03b5\u03c4\u03c1\u03b7\u03c4\u03ae, \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03c5\u03c0\u03bf\u03c3\u03c4\u03b7\u03c1\u03af\u03b6\u03bf\u03c5\u03bd \u03c4\u03b7 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae \u03b1\u03bd\u03c4\u03af \u03bd\u03b1 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b1\u03bd\u03b1\u03c0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03b6\u03bf\u03c5\u03bd.<\/p>\n<div class=\"ss-table-wrap\">\n<table class=\"ss-spec-table\">\n<thead>\n<tr>\n<th>\u03a3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af\u03bf \u03c6\u03cd\u03bb\u03bb\u03bf\u03c5 \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2<\/th>\n<th>\u0395\u03c1\u03ce\u03c4\u03b7\u03c3\u03b7 \u03c0\u03c1\u03bf\u03c2 \u03b1\u03c0\u03ac\u03bd\u03c4\u03b7\u03c3\u03b7<\/th>\n<th>\u0388\u03be\u03bf\u03b4\u03bf\u03c2 RFQ<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Fretting Debris And Oxide<\/td>\n<td>\u03a0\u03bf\u03b9\u03b1 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03c3\u03c5\u03bd\u03b1\u03c1\u03bc\u03bf\u03bb\u03cc\u03b3\u03b7\u03c3\u03b7\u03c2 \u03b5\u03bb\u03ad\u03b3\u03c7\u03b5\u03b9 \u03b1\u03c5\u03c4\u03ae \u03b7 \u03b4\u03c5\u03bd\u03b1\u03c4\u03cc\u03c4\u03b7\u03c4\u03b1;<\/td>\n<td>\u0394\u03b9\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7, \u03b1\u03bd\u03bf\u03c7\u03ae \u03ae \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2<\/td>\n<\/tr>\n<tr>\n<td>Small Oscillatory Motion<\/td>\n<td>\u03a0\u03bf\u03b9\u03b1 \u03c4\u03b5\u03bb\u03b9\u03ba\u03ae \u03c3\u03c5\u03bd\u03b8\u03ae\u03ba\u03b7 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03c0\u03b9\u03c4\u03b5\u03c5\u03c7\u03b8\u03b5\u03af;<\/td>\n<td>\u03a5\u03bb\u03b9\u03ba\u03cc \/ \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \/ \u03c6\u03b9\u03bd\u03af\u03c1\u03b9\u03c3\u03bc\u03b1<\/td>\n<\/tr>\n<tr>\n<td>Contact Pressure<\/td>\n<td>\u03a0\u03ce\u03c2 \u03b8\u03b1 \u03b5\u03c0\u03b1\u03bb\u03b7\u03b8\u03b5\u03c5\u03c4\u03b5\u03af \u03c4\u03bf \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03cc;<\/td>\n<td>\u039c\u03ad\u03b8\u03bf\u03b4\u03bf\u03c2 \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7\u03c2 \u03ae \u03c3\u03b7\u03bc\u03b5\u03af\u03c9\u03bc\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2<\/td>\n<\/tr>\n<tr>\n<td>Fit Looseness<\/td>\n<td>\u03a0\u03ce\u03c2 \u03b5\u03bc\u03c0\u03bb\u03ad\u03ba\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03b8\u03b5\u03c4\u03bf \u03bc\u03ad\u03bb\u03bf\u03c2;<\/td>\n<td>\u03a0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03bc\u03c0\u03bb\u03bf\u03ba\u03ae\u03c2<\/td>\n<\/tr>\n<tr>\n<td>Misalignment<\/td>\n<td>\u03a0\u03bf\u03b9\u03bf \u03b4\u03b5\u03b4\u03bf\u03bc\u03ad\u03bd\u03bf \u03ba\u03b1\u03b8\u03bf\u03c1\u03af\u03b6\u03b5\u03b9 \u03c4\u03b7 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ae \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c3\u03af\u03b1;<\/td>\n<td>\u03a3\u03c7\u03ad\u03c3\u03b7 \u03b7\u03bc\u03b5\u03c1\u03bf\u03bc\u03b7\u03bd\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b5\u03ba\u03c0\u03bd\u03bf\u03ae\u03c2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2>\u03a0\u03b1\u03c1\u03ac\u03b4\u03bf\u03c3\u03b7 \u03c0\u03c1\u03bf\u03bc\u03b7\u03b8\u03b5\u03b9\u03ce\u03bd \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03bf \u03c0\u03c1\u03ce\u03c4\u03bf \u03ac\u03c1\u03b8\u03c1\u03bf<\/h2>\n<p>\u0388\u03bd\u03b1 \u03c7\u03c1\u03ae\u03c3\u03b9\u03bc\u03bf \u03c0\u03b1\u03ba\u03ad\u03c4\u03bf \u03b1\u03b3\u03bf\u03c1\u03ce\u03bd \u03b3\u03b9\u03b1 <strong>\u03a4\u03ac\u03c3\u03c4\u03b9\u03bd\u03b3\u03ba \u03bc\u03b5 \u03c3\u03c0\u03b5\u03af\u03c1\u03c9\u03bc\u03b1: \u03a3\u03c5\u03bc\u03c0\u03c4\u03ce\u03bc\u03b1\u03c4\u03b1, \u03b1\u03b9\u03c4\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd<\/strong> \u03a0\u03b5\u03c1\u03b9\u03ad\u03c7\u03b5\u03b9 \u03c4\u03bf \u03b5\u03bb\u03b5\u03b3\u03c7\u03cc\u03bc\u03b5\u03bd\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf, \u03c4\u03b7\u03bd \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03ba\u03b1\u03b9 \u03c4\u03b7\u03bd \u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2, \u03c4\u03b9\u03c2 \u03c0\u03bb\u03b7\u03c1\u03bf\u03c6\u03bf\u03c1\u03af\u03b5\u03c2 \u03b4\u03b9\u03b5\u03c0\u03b1\u03c6\u03ae\u03c2 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b1 \u03c7\u03b1\u03c1\u03b1\u03ba\u03c4\u03b7\u03c1\u03b9\u03c3\u03c4\u03b9\u03ba\u03ac \u03b1\u03c0\u03bf\u03b4\u03bf\u03c7\u03ae\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bd \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac. \u0395\u03ac\u03bd \u03c0\u03b1\u03c1\u03ad\u03c7\u03b5\u03c4\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c4\u03c1\u03b9\u03c3\u03b4\u03b9\u03ac\u03c3\u03c4\u03b1\u03c4\u03bf \u03bc\u03bf\u03bd\u03c4\u03ad\u03bb\u03bf, \u03c4\u03bf \u03b4\u03b9\u03c3\u03b4\u03b9\u03ac\u03c3\u03c4\u03b1\u03c4\u03bf \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03b5\u03be\u03b1\u03ba\u03bf\u03bb\u03bf\u03c5\u03b8\u03b5\u03af \u03bd\u03b1 \u03c0\u03b5\u03c1\u03b9\u03bb\u03b1\u03bc\u03b2\u03ac\u03bd\u03b5\u03b9 \u03b1\u03bd\u03bf\u03c7\u03ad\u03c2, \u03c3\u03b7\u03bc\u03b5\u03af\u03b1 \u03b1\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac\u03c2, \u03c3\u03b7\u03bc\u03b5\u03b9\u03ce\u03c3\u03b5\u03b9\u03c2 \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae\u03c2 \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1\u03c2 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b1\u03b9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2 \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7\u03c2. \u03a0\u03c1\u03bf\u03c3\u03b4\u03b9\u03bf\u03c1\u03af\u03c3\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c4\u03c1\u03ad\u03c7\u03bf\u03c5\u03c3\u03b1 \u03b1\u03bd\u03b1\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7 \u03c3\u03c4\u03b7\u03bd RFQ, \u03ce\u03c3\u03c4\u03b5 \u03b7 \u03ba\u03b1\u03c4\u03b1\u03c3\u03ba\u03b5\u03c5\u03ae \u03ba\u03b1\u03b9 \u03b7 \u03b5\u03c0\u03b9\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7 \u03bd\u03b1 \u03bc\u03b7\u03bd \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd\u03bd \u03b1\u03c0\u03cc \u03b4\u03b9\u03b1\u03c6\u03bf\u03c1\u03b5\u03c4\u03b9\u03ba\u03ad\u03c2 \u03b5\u03ba\u03b4\u03cc\u03c3\u03b5\u03b9\u03c2.<\/p>\n<p>When a characteristic is not yet decided, mark it for engineering clarification rather than inserting a convenient value. For spline fretting, common open items are engagement, fit, hardness location, runout to an adjacent journal, internal-feature access or the condition of a worn mating component. Resolving those points before first article reduces avoidable rework and makes later repeat orders easier to control.<\/p>\n<h3>\u039b\u03af\u03c3\u03c4\u03b1 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5 \u03c0\u03c1\u03b9\u03bd \u03b1\u03c0\u03cc \u03c4\u03b7\u03bd \u03ba\u03c5\u03ba\u03bb\u03bf\u03c6\u03bf\u03c1\u03af\u03b1<\/h3>\n<ul>\n<li>Confirm fretting debris and oxide against the actual mating component.<\/li>\n<li>Confirm small oscillatory motion in the finished condition.<\/li>\n<li>Define how contact pressure will be inspected.<\/li>\n<li>Check fit looseness under the intended assembly condition.<\/li>\n<li>Relate misalignment to the functional datum structure.<\/li>\n<li>\u0391\u03bd\u03b1\u03c6\u03ad\u03c1\u03b5\u03c4\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1, \u03c4\u03bf \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03bf \u03b1\u03bd\u03b1\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c0\u03bf\u03b9\u03b1\u03b4\u03ae\u03c0\u03bf\u03c4\u03b5 \u03b1\u03c0\u03b1\u03af\u03c4\u03b7\u03c3\u03b7 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7\u03c2 \u03c0\u03c1\u03ce\u03c4\u03bf\u03c5 \u03ac\u03c1\u03b8\u03c1\u03bf\u03c5.<\/li>\n<li>\u039a\u03b1\u03c4\u03b1\u03b3\u03c1\u03ac\u03c8\u03c4\u03b5 \u03c4\u03b9\u03c2 \u03b1\u03bb\u03bb\u03b1\u03b3\u03ad\u03c2 \u03c3\u03c4\u03b7\u03bd \u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1, \u03c4\u03b7 \u03bb\u03af\u03c0\u03b1\u03bd\u03c3\u03b7 \u03ae \u03c4\u03bf \u03c5\u03bb\u03b9\u03ba\u03cc \u03b6\u03b5\u03cd\u03be\u03b7\u03c2 \u03b3\u03b9\u03b1 \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b5\u03c2 \u03c0\u03b1\u03c1\u03b1\u03b3\u03b3\u03b5\u03bb\u03af\u03b5\u03c2.<\/li>\n<\/ul>\n<h2>\u03a3\u03c5\u03c7\u03bd\u03ad\u03c2 \u03b5\u03c1\u03c9\u03c4\u03ae\u03c3\u03b5\u03b9\u03c2<\/h2>\n<details class=\"ss-faq\">\n<summary>What should I confirm about fretting debris and oxide for spline fretting?<\/summary>\n<p>Relate fretting debris and oxide to the mating component and the assembly function first. Put the measurable requirement on the controlled drawing, and include the opposite member when compatibility depends on both parts. For Spline Fretting: Symptoms, Causes and Design Checks, this prevents a nominal label from replacing the geometry that actually controls fit and torque transfer.<\/p>\n<\/details>\n<details class=\"ss-faq\">\n<summary>What should I confirm about small oscillatory motion for spline fretting?<\/summary>\n<p>Confirm small oscillatory motion in the finished condition, including any material, heat-treatment, surface or dimensional state that can change after processing. If the requirement depends on a location or datum, show that explicitly so production and inspection use the same reference.<\/p>\n<\/details>\n<details class=\"ss-faq\">\n<summary>What should I confirm about contact pressure for spline fretting?<\/summary>\n<p>Choose an inspection method that measures the characteristic named on the drawing. Functional gaging, analytical spline measurement, CMM checks, runout inspection, roughness measurement and hardness testing answer different questions. State which result is required for acceptance rather than requesting a generic inspection report. In a spline fretting RFQ, keep this point tied to the mating member, datum scheme and finished-part acceptance method.<\/p>\n<\/details>\n<details class=\"ss-faq\">\n<summary>What should I confirm about fit looseness for spline fretting?<\/summary>\n<p>Check fit looseness with the real mating part and intended assembly condition. Effective engagement, clearance, axial movement, temperature and wear in a replacement hub can all influence how the connection behaves. A new shaft should not be accepted or rejected from feel alone when a measurable fit requirement is available.<\/p>\n<\/details>\n<details class=\"ss-faq\">\n<summary>What should I confirm about misalignment for spline fretting?<\/summary>\n<p>Tie misalignment to the features that locate rotation in the assembly. The drawing should make the datum reference and any runout or position relationship clear. If heat treatment or finish machining can move the feature, inspect the relationship at the stage that represents the finished part.<\/p>\n<\/details>\n<h2>\u0391\u03c0\u03cc \u03c4\u03b7 \u03bc\u03b7\u03c7\u03b1\u03bd\u03b9\u03ba\u03ae \u03b1\u03c0\u03cc\u03c6\u03b1\u03c3\u03b7 \u03ad\u03c9\u03c2 \u03c4\u03bf\u03bd \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf \u03c0\u03b1\u03c1\u03b1\u03b3\u03c9\u03b3\u03ae\u03c2<\/h2>\n<p>Once the interface is agreed, translate each functional decision into a drawing characteristic that can be manufactured and inspected. Avoid leaving key relationships only in email notes. Dimensions, datums, heat-treatment conditions and acceptance requirements should be revision-controlled so the production team and inspection team work to the same definition. For repeat work, keep the same datum and measurement basis unless the assembly requirement changes. In a spline fretting RFQ, keep this point tied to the mating member, datum scheme and finished-part acceptance method.<\/p>\n<p>For first articles, prioritize the characteristics that prove assembly compatibility: tooth geometry, mating fit, relationship to locating journals or shoulders, heat-treatment condition and any critical runout. Record the measurement method together with the result. On repeat orders, using the same datum setup and measurement approach makes trend changes easier to recognize and reduces disputes caused by different inspection interpretations. When the duty or mating member changes, revisit this point instead of carrying the previous assumption forward. For Spline Fretting: Symptoms, Causes and Design Checks, record the resulting requirement on the drawing or purchase specification so it remains consistent on repeat orders.<\/p>\n<p>When the operating duty changes, reopen the engineering review instead of assuming the old specification remains suitable. Higher torque, increased shock, more frequent reversals, different lubrication or a new mating component can change contact and wear even if the nominal spline size stays the same. The drawing should evolve with the actual assembly requirement. For this topic, connect that decision to the mating component and the drawing revision used for the RFQ. When reviewing spline fretting, revisit this point whenever the mating component, material condition or operating duty changes.<\/p>\n<h2>\u03a0\u03c1\u03bf\u03b5\u03c4\u03bf\u03b9\u03bc\u03b1\u03c3\u03af\u03b1 \u03c4\u03b7\u03c2 RFQ<\/h2>\n<ul class=\"ss-post-rfq-list\">\n<li>\u03a4\u03c1\u03ad\u03c7\u03bf\u03bd \u03c3\u03c7\u03ad\u03b4\u03b9\u03bf 2D \u03ba\u03b1\u03b9 \u03b1\u03bd\u03b1\u03b8\u03b5\u03ce\u03c1\u03b7\u03c3\u03b7<\/li>\n<li>\u03a3\u03c5\u03bd\u03b9\u03c3\u03c4\u03ce\u03c3\u03b1 \u03b6\u03b5\u03c5\u03b3\u03b1\u03c1\u03ce\u03bc\u03b1\u03c4\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03bf\u03c1\u03b9\u03c3\u03bc\u03cc\u03c2 spline<\/li>\n<li>\u03a5\u03bb\u03b9\u03ba\u03cc, \u03b8\u03b5\u03c1\u03bc\u03b9\u03ba\u03ae \u03b5\u03c0\u03b5\u03be\u03b5\u03c1\u03b3\u03b1\u03c3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03b9\u03ba\u03ac \u03c6\u03b9\u03bd\u03b9\u03c1\u03af\u03c3\u03bc\u03b1\u03c4\u03b1<\/li>\n<li>\u03a1\u03bf\u03c0\u03ae, \u03c4\u03b1\u03c7\u03cd\u03c4\u03b7\u03c4\u03b1, \u03bb\u03b5\u03b9\u03c4\u03bf\u03c5\u03c1\u03b3\u03af\u03b1 \u03ba\u03b1\u03b9 \u03c0\u03b5\u03c1\u03b9\u03b2\u03ac\u03bb\u03bb\u03bf\u03bd<\/li>\n<li>\u03a0\u03bf\u03c3\u03cc\u03c4\u03b7\u03c4\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03c0\u03b1\u03b9\u03c4\u03bf\u03cd\u03bc\u03b5\u03bd\u03b7 \u03c4\u03b5\u03ba\u03bc\u03b7\u03c1\u03af\u03c9\u03c3\u03b7 \u03b5\u03bb\u03ad\u03b3\u03c7\u03bf\u03c5<\/li>\n<\/ul>\n<p>A complete enquiry combines the drawing, mating interface, material condition, duty, quantity and inspection expectations. When these inputs are defined early, suppliers can plan tooling, heat treatment, finishing and measurement around the same functional requirement, reducing clarification cycles before first article. In this review, the useful acceptance criterion is the one that can be traced to a functional drawing characteristic. In a spline fretting RFQ, keep this point tied to the mating member, datum scheme and finished-part acceptance method.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u03a4\u03b5\u03c3\u03c4\u03ac\u03c1\u03b9\u03c3\u03bc\u03b1 \u03bc\u03b5 \u03c3\u03c0\u03bb\u03ae\u03bd\u03b1: \u03a3\u03c5\u03bc\u03c0\u03c4\u03ce\u03bc\u03b1\u03c4\u03b1, \u03b1\u03b9\u03c4\u03af\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03ad\u03bb\u03b5\u03b3\u03c7\u03bf\u03b9 \u03c3\u03c7\u03b5\u03b4\u03b9\u03b1\u03c3\u03bc\u03bf\u03cd \u2014 \u03a4\u03bf \u03c4\u03b5\u03c3\u03c4\u03ac\u03c1\u03b9\u03c3\u03bc\u03b1 \u03b5\u03bc\u03c6\u03b1\u03bd\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03cc\u03c4\u03b1\u03bd \u03bf\u03b9 \u03c6\u03bf\u03c1\u03c4\u03b9\u03c3\u03bc\u03ad\u03bd\u03b5\u03c2 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b5\u03c2 \u03b6\u03b5\u03cd\u03be\u03b7\u03c2 \u03c0\u03b1\u03c1\u03bf\u03c5\u03c3\u03b9\u03ac\u03b6\u03bf\u03c5\u03bd \u03c0\u03bf\u03bb\u03cd \u03bc\u03b9\u03ba\u03c1\u03ae \u03b5\u03c0\u03b1\u03bd\u03b1\u03bb\u03b1\u03bc\u03b2\u03b1\u03bd\u03cc\u03bc\u03b5\u03bd\u03b7 \u03c3\u03c7\u03b5\u03c4\u03b9\u03ba\u03ae \u03ba\u03af\u03bd\u03b7\u03c3\u03b7. \u03a3\u03b5\u2026<\/p>","protected":false},"author":1,"featured_media":1563,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2947],"tags":[],"class_list":["post-1618","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-troubleshooting-maintenance"],"_links":{"self":[{"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/posts\/1618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/comments?post=1618"}],"version-history":[{"count":2,"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/posts\/1618\/revisions"}],"predecessor-version":[{"id":1736,"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/posts\/1618\/revisions\/1736"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/media\/1563"}],"wp:attachment":[{"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/media?parent=1618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/categories?post=1618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/splineshaft.top\/el\/wp-json\/wp\/v2\/tags?post=1618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}