{"id":1622,"date":"2026-08-20T08:57:38","date_gmt":"2026-08-20T08:57:38","guid":{"rendered":"https:\/\/splineshaft.top\/lubrication-considerations-for-sliding-and-fixed-spline-connections\/"},"modified":"2026-08-24T07:38:31","modified_gmt":"2026-08-24T07:38:31","slug":"lubrication-considerations-for-sliding-and-fixed-spline-connections","status":"publish","type":"post","link":"https:\/\/splineshaft.top\/ru\/lubrication-considerations-for-sliding-and-fixed-spline-connections\/","title":{"rendered":"\u0412\u043e\u043f\u0440\u043e\u0441\u044b \u0441\u043c\u0430\u0437\u043a\u0438 \u0434\u043b\u044f \u0441\u043a\u043e\u043b\u044c\u0437\u044f\u0449\u0438\u0445 \u0438 \u043d\u0435\u043f\u043e\u0434\u0432\u0438\u0436\u043d\u044b\u0445 \u0448\u043b\u0438\u0446\u0435\u0432\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439."},"content":{"rendered":"

\u0412\u043e\u043f\u0440\u043e\u0441\u044b \u0441\u043c\u0430\u0437\u043a\u0438 \u0434\u043b\u044f \u0441\u043a\u043e\u043b\u044c\u0437\u044f\u0449\u0438\u0445 \u0438 \u043d\u0435\u043f\u043e\u0434\u0432\u0438\u0436\u043d\u044b\u0445 \u0448\u043b\u0438\u0446\u0435\u0432\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439.<\/strong> \u2014 Sliding and fixed spline connections can have different lubrication needs because their relative motion, contamination exposure and grease or oil retention differ. Lubricant selection and service interval should follow the machine design and operating environment, while the spline inspection looks for signs of starvation, fretting or debris ingress.<\/p>\n

\u0414\u043b\u044f spline lubrication<\/strong>\u041d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u043d\u0430\u0434\u0435\u0436\u043d\u043e\u0439 \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u0430, \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0449\u0438\u043a, \u043f\u043e\u043a\u0443\u043f\u0430\u0442\u0435\u043b\u044c, \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u0438 \u0438\u043d\u0441\u043f\u0435\u043a\u0442\u043e\u0440 \u043c\u043e\u0433\u0443\u0442 \u0438\u043d\u0442\u0435\u0440\u043f\u0440\u0435\u0442\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e. \u0412 \u0434\u0430\u043b\u044c\u043d\u0435\u0439\u0448\u0435\u043c \u043e\u0431\u0441\u0443\u0436\u0434\u0435\u043d\u0438\u0438 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0443\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u0438\u0437\u043c\u0435\u0440\u0438\u043c\u044b\u043c \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u043c \u0447\u0435\u0440\u0442\u0435\u0436\u0430, \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u043c \u0441\u0431\u043e\u0440\u043a\u0438 \u0438 \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430\u043c, \u0430 \u043d\u0435 \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0430\u043b\u044c\u043d\u044b\u043c \u043f\u043e\u043a\u0430\u0437\u0430\u0442\u0435\u043b\u044f\u043c \u043a\u0440\u0443\u0442\u044f\u0449\u0435\u0433\u043e \u043c\u043e\u043c\u0435\u043d\u0442\u0430, \u043f\u043e\u0441\u0430\u0434\u043a\u0438 \u0438\u043b\u0438 \u0441\u0440\u043e\u043a\u0430 \u0441\u043b\u0443\u0436\u0431\u044b, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0435\u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0431\u0435\u0437 \u043f\u043e\u043b\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u043e \u0433\u0435\u043e\u043c\u0435\u0442\u0440\u0438\u0438 \u0438 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438.<\/p>\n

Fixed Versus Sliding Lubrication Needs<\/h2>\n

Fixed Versus Sliding Lubrication Needs<\/strong> \u042d\u0442\u043e \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u043a \u0441\u0438\u043c\u043f\u0442\u043e\u043c \u043d\u0435\u0438\u0441\u043f\u0440\u0430\u0432\u043d\u043e\u0441\u0442\u0438 \u0432\u0441\u0435\u0433\u043e \u0441\u043e\u043f\u0440\u044f\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f. \u041f\u0435\u0440\u0435\u0434 \u043e\u0447\u0438\u0441\u0442\u043a\u043e\u0439 \u0438\u043b\u0438 \u0443\u0442\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0437\u0430\u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043c\u0435\u0441\u0442\u043e \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f, \u0435\u0433\u043e \u0441\u0438\u043c\u043c\u0435\u0442\u0440\u0438\u0447\u043d\u043e\u0441\u0442\u044c, \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u043e\u0433\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430, \u0438\u0441\u0442\u043e\u0440\u0438\u044e \u0441\u043c\u0430\u0437\u043a\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043b\u044e\u0431\u044b\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0441 \u043e\u0441\u043b\u0430\u0431\u043b\u0435\u043d\u0438\u0435\u043c \u0438\u043b\u0438 \u0441\u043e\u043e\u0441\u043d\u043e\u0441\u0442\u044c\u044e.<\/p>\n

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. For Lubrication Considerations for Sliding and Fixed Spline Connections, apply this check to the specific spline lubrication interface shown on the current drawing.<\/p>\n

Grease Retention<\/h2>\n

Grease Retention<\/strong> should be reviewed in the context of spline lubrication. 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

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 Lubrication Considerations for Sliding and Fixed Spline Connections, apply this check to the specific spline lubrication interface shown on the current drawing.<\/p>\n

\"Lubrication<\/figure>\n

Oil-Lubricated Housings<\/h2>\n

Oil-Lubricated Housings<\/strong> should be reviewed in the context of spline lubrication. 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

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. In a spline lubrication RFQ, keep this point tied to the mating member, datum scheme and finished-part acceptance method.<\/p>\n

Contamination Control<\/h2>\n

Contamination Control<\/strong> should be reviewed in the context of spline lubrication. 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

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. When the duty or mating member changes, revisit this point instead of carrying the previous assumption forward. In a spline lubrication RFQ, keep this point tied to the mating member, datum scheme and finished-part acceptance method.<\/p>\n

Compatibility With Seals<\/h2>\n

Compatibility With Seals<\/strong> should be reviewed in the context of spline lubrication. 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

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 Lubrication Considerations for Sliding and Fixed Spline Connections, record the resulting requirement on the drawing or purchase specification so it remains consistent on repeat orders.<\/p>\n

\"Lubrication<\/figure>\n

Fretting Mitigation<\/h2>\n

Fretting Mitigation<\/strong> \u042d\u0442\u043e \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u043a \u0441\u0438\u043c\u043f\u0442\u043e\u043c \u043d\u0435\u0438\u0441\u043f\u0440\u0430\u0432\u043d\u043e\u0441\u0442\u0438 \u0432\u0441\u0435\u0433\u043e \u0441\u043e\u043f\u0440\u044f\u0436\u0435\u043d\u043d\u043e\u0433\u043e \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u044f. \u041f\u0435\u0440\u0435\u0434 \u043e\u0447\u0438\u0441\u0442\u043a\u043e\u0439 \u0438\u043b\u0438 \u0443\u0442\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0434\u0435\u0442\u0430\u043b\u0435\u0439 \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e \u0437\u0430\u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043c\u0435\u0441\u0442\u043e \u043f\u043e\u0432\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f, \u0435\u0433\u043e \u0441\u0438\u043c\u043c\u0435\u0442\u0440\u0438\u0447\u043d\u043e\u0441\u0442\u044c, \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u043e\u0433\u043e \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u0430, \u0438\u0441\u0442\u043e\u0440\u0438\u044e \u0441\u043c\u0430\u0437\u043a\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043b\u044e\u0431\u044b\u0435 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0441 \u043e\u0441\u043b\u0430\u0431\u043b\u0435\u043d\u0438\u0435\u043c \u0438\u043b\u0438 \u0441\u043e\u043e\u0441\u043d\u043e\u0441\u0442\u044c\u044e.<\/p>\n

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. When reviewing spline lubrication, revisit this point whenever the mating component, material condition or operating duty changes.<\/p>\n

\u041f\u043e\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043e\u0431\u0437\u043e\u0440\u043e\u0432<\/h2>\n

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. When reviewing spline lubrication, revisit this point whenever the mating component, material condition or operating duty changes.<\/p>\n

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. When reviewing spline lubrication, revisit this point whenever the mating component, material condition or operating duty changes.<\/p>\n

Service Interval Basis<\/h2>\n

Service Interval Basis<\/strong> places the spline in an operating context. Torque direction, shock loading, contamination, lubrication, axial movement, bearing support and service access can all change what fit and material condition are practical.<\/p>\n

For an RFQ, describe the actual machine or assembly function and provide the mating component. Replacement requests should include wear photographs and measurements from unworn areas. This information helps separate geometry problems from alignment, lubrication or maintenance issues elsewhere in the system. For this topic, connect that decision to the mating component and the drawing revision used for the RFQ. When reviewing spline lubrication, revisit this point whenever the mating component, material condition or operating duty changes.<\/p>\n

\"Lubrication<\/figure>\n

Avoid Unsupported Lubricant Prescriptions<\/h2>\n

Avoid Unsupported Lubricant Prescriptions<\/strong> should be reviewed in the context of spline lubrication. 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

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 Lubrication Considerations for Sliding and Fixed Spline Connections, apply this check to the specific spline lubrication interface shown on the current drawing.<\/p>\n

\u0420\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u043d\u044b\u0435 \u043e\u0448\u0438\u0431\u043a\u0438, \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0438\u0437\u0431\u0435\u0433\u0430\u0442\u044c<\/h2>\n

Common errors in spline lubrication 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

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. In a spline lubrication RFQ, keep this point tied to the mating member, datum scheme and finished-part acceptance method.<\/p>\n

\u041a\u0440\u0430\u0442\u043a\u043e\u0435 \u0438\u0437\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f<\/h2>\n
\n\n\n\n\n\n\n\n\n\n
\u041e\u0431\u043b\u0430\u0441\u0442\u044c \u043f\u0440\u0438\u043d\u044f\u0442\u0438\u044f \u0440\u0435\u0448\u0435\u043d\u0438\u0439<\/th>\n\u0427\u0442\u043e \u043f\u043e\u0434\u0442\u0432\u0435\u0440\u0434\u0438\u0442\u044c<\/th>\n\u041f\u043e\u0447\u0435\u043c\u0443 \u044d\u0442\u043e \u0432\u0430\u0436\u043d\u043e<\/th>\n<\/tr>\n<\/thead>\n
\u0413\u0435\u043e\u043c\u0435\u0442\u0440\u0438\u044f \u0441\u043e\u0447\u043b\u0435\u043d\u0435\u043d\u0438\u044f<\/td>\n\u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u0437\u0443\u0431\u044c\u0435\u0432, \u0434\u0438\u0430\u043c\u0435\u0442\u0440\u044b, \u0437\u0430\u0446\u0435\u043f\u043b\u0435\u043d\u0438\u0435 \u0438 \u043f\u043e\u0441\u0430\u0434\u043a\u0430<\/td>\n\u0421\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c\u043e\u0441\u0442\u044c \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u043e\u0432 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0438 \u043a\u043e\u043d\u0442\u0430\u043a\u0442 \u0441 \u0431\u043e\u043a\u043e\u0432\u044b\u043c\u0438 \u043f\u043e\u0432\u0435\u0440\u0445\u043d\u043e\u0441\u0442\u044f\u043c\u0438<\/td>\n<\/tr>\n
\u0420\u0430\u0441\u043f\u043e\u043b\u043e\u0436\u0435\u043d\u0438\u0435<\/td>\n\u0411\u0430\u0437\u043e\u0432\u044b\u0435 \u0442\u043e\u0447\u043a\u0438, \u0436\u0443\u0440\u043d\u0430\u043b\u044b, \u043f\u043b\u0435\u0447\u0438 \u0438 \u0431\u0438\u0435\u043d\u0438\u0435<\/td>\n\u041a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u0442 \u0432\u044b\u0440\u0430\u0432\u043d\u0438\u0432\u0430\u043d\u0438\u0435 \u0432 \u0441\u0431\u043e\u0440\u043a\u0435.<\/td>\n<\/tr>\n
\u041c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u044c\u043d\u043e\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435<\/td>\n\u041c\u0430\u0440\u043a\u0430 \u0441\u0442\u0430\u043b\u0438, \u0442\u0435\u0440\u043c\u043e\u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430, \u0442\u0432\u0435\u0440\u0434\u043e\u0441\u0442\u044c \u0438 \u043e\u0442\u0434\u0435\u043b\u043a\u0430.<\/td>\n\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442 \u043a\u043e\u043d\u0435\u0447\u043d\u043e\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0435 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0438\u0437\u043d\u043e\u0441\u0430.<\/td>\n<\/tr>\n
\u0414\u043e\u043b\u0433<\/td>\n\u041a\u0440\u0443\u0442\u044f\u0449\u0438\u0439 \u043c\u043e\u043c\u0435\u043d\u0442, \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c, \u0443\u0434\u0430\u0440, \u0434\u0432\u0438\u0436\u0435\u043d\u0438\u0435 \u0438 \u043e\u043a\u0440\u0443\u0436\u0430\u044e\u0449\u0430\u044f \u0441\u0440\u0435\u0434\u0430<\/td>\n\u0421\u0432\u044f\u0437\u044b\u0432\u0430\u0435\u0442 \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0434\u0435\u0442\u0430\u043b\u0438 \u0441 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u043c\u0438 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438.<\/td>\n<\/tr>\n
\u041f\u0440\u043e\u0432\u0435\u0440\u043a\u0430<\/td>\n\u041a\u043e\u043d\u0442\u0440\u043e\u043b\u0438\u0440\u0443\u0435\u043c\u044b\u0435 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a\u0438 \u0438 \u043c\u0435\u0442\u043e\u0434 \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f<\/td>\n\u041e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0441\u043e\u0433\u043b\u0430\u0441\u043e\u0432\u0430\u043d\u043d\u043e\u0441\u0442\u044c \u043f\u0440\u0438\u0435\u043c\u043a\u0438 \u043c\u0435\u0436\u0434\u0443 \u043f\u043e\u0441\u0442\u0430\u0432\u0449\u0438\u043a\u043e\u043c \u0438 \u043f\u043e\u043a\u0443\u043f\u0430\u0442\u0435\u043b\u0435\u043c.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

\u041a\u043e\u043d\u0442\u0440\u043e\u043b\u044c\u043d\u044b\u0439 \u0441\u043f\u0438\u0441\u043e\u043a \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0445\u0430\u0440\u0430\u043a\u0442\u0435\u0440\u0438\u0441\u0442\u0438\u043a<\/h2>\n