1. Name: Helical gears,plastic gears pair2. Item NO: ZH-KB373. Use: For JUICER MAEKR etc, Small home appliances
4. Material: PA46 Hand:LEFT Helix angle:11.275° Number of Teeth:29& 12
Pressure angle:15°20° Tip diameter:31.5mm Root diameter:12.7mm
5.Parameter: Module:1 mn
7. Certification: ISO9001 RoSH
8. Standard:DIN GB ISO JIS BA ANSI
9. Grade: 9-12
10. Delivery Time: 15-28days
11.Color: Any color is all right, usually is white,black,grey
12.Product feature: The gearbox rotates smoothly without sticking, slipping and low noise. After assembled with the motor,its test service life is 3500HPS:MOQ is 5000piece, Small order is accept, price can be discussed, welcome OEM.Customer’s logo and packing is available!
Are you headache for below problem?
bad quality,no guarantee time
we give 3 years
cannot find a real manufacturer
we are direct
never on time delivery
we can do it
cannot find ideal product
we can design
cannot get best price
Our Service Welcome OEMIndependent R&D capability. Help you solve problems,especially for small home appliances coffer maker, AC60F B 0571 80B Friction Kit Clutch Kit Auto Transmission For Gearbox Transnation juicer.
QC&Measure Center100%QC & Top class measuring center, CMMs etc = 3 Years Guarantee time for all the products from our factory
Strong Production Ability34 injecting machine,15 production line make sure 150000 sets Plastic gearbox/day.
Our Company Factory8000 square meters of workshop area, strong produce and assemble ability. 120000sets/dayWorkshop34 Injection Molding Machines, also have Wire Cutting Machine, EDM, Precision Lathe, Hobbing Machine.
WarehouseLarge and independent storage space
TeamTop class expers & scholars to do designs and ProductionPacking & Delivery Packing: 200pcs or 600pcs in a waterproof PO bag then in 1 carton. we can do packing according to customer’s requirement.
Our Certifications We have ISO9001 CERTIFICATION. We have lots of Patent certificate such as for Fan Gearbox, auto brush gearbox, bike adjusting seat, and coffer maker gearbox.
Customer PhotoFavorable CommentWe have been working together for 7 years.
Skilltrans factory is It’s a trustworthy factory.
Favorable CommentFive years of cooperation is very pleasant, from raw materials to products Skilltrans factory have strict quality control system, best is their delivery time is stable.
Favorable CommentWe have cooperated for 9 years and have become good friends. We will continue to cooperate.
FAQ1, Why choose us?12years experience of plastic gearbox making factoryReal manufacturer can guarantee on time delivery & low costFast & 18001810 Series Heavy Duty Drive Shaft Center Support Bearing 210661-1X Fit For Freightliner Trucks professional reply, latest answer is within 24 hours2,Can you do OEM?Yes, 1 of our advantages is we have experts and scholars to do designs, develops. Welcome OEM, ODM3, How long is guarantee time?3 years for all the products,not contain artificial damage4, Can we get sample?Yes, usually sample is free, we need you cooperate to pay shipping charges5, How can you control the quality?We have gear measuring center, CMMs and other inspection equipment,All the products need pass 100% check before delivery.6, Can you do our packing and delivery time?Yes, usually our packing is 1 piece in 1 bag,600pcs in 1 carton. delivery time is 20-28days7,How to pay?Usually 30% deposit,the rest paid before shipment
How to Select a Worm Shaft and Gear For Your Project
You will learn about axial pitch PX and tooth parameters for a Worm Shaft 20 and Gear 22. Detailed information on these two components will help you select a suitable Worm Shaft. Read on to learn more….and get your hands on the most advanced gearbox ever created! Here are some tips for selecting a Worm Shaft and Gear for your project!…and a few things to keep in mind.
The tooth profile of Gear 22 on Worm Shaft 20 differs from that of a conventional gear. This is because the teeth of Gear 22 are concave, allowing for better interaction with the threads of the worm shaft 20. The worm’s lead angle causes the worm to self-lock, preventing reverse motion. However, this self-locking mechanism is not entirely dependable. Worm gears are used in numerous industrial applications, from elevators to fishing reels and automotive power steering.
The new gear is installed on a shaft that is secured in an oil seal. To install a new gear, you first need to remove the old gear. Next, you need to unscrew the two bolts that hold the gear onto the shaft. Next, you should remove the bearing carrier from the output shaft. Once the worm gear is removed, you need to unscrew the retaining ring. After that, install the bearing cones and the shaft spacer. Make sure that the shaft is tightened properly, but do not over-tighten the plug.
To prevent premature failures, use the right lubricant for the type of worm gear. A high viscosity oil is required for the sliding action of worm gears. In two-thirds of applications, lubricants were insufficient. If the worm is lightly loaded, a low-viscosity oil may be sufficient. Otherwise, a high-viscosity oil is necessary to keep the worm gears in good condition.
Another option is to vary the number of teeth around the gear 22 to reduce the output shaft’s speed. This can be done by setting a specific ratio (for example, five or ten times the motor’s speed) and modifying the worm’s dedendum accordingly. This process will reduce the output shaft’s speed to the desired level. The worm’s dedendum should be adapted to the desired axial pitch.
Worm Shaft 20
When selecting a worm gear, consider the following things to consider. These are high-performance, low-noise gears. They are durable, low-temperature, and long-lasting. Worm gears are widely used in numerous industries and have numerous benefits. Listed below are just some of their benefits. Read on for more information. Worm gears can be difficult to maintain, but with proper maintenance, they can be very reliable.
The worm shaft is configured to be supported in a frame 24. The size of the frame 24 is determined by the center distance between the worm shaft 20 and the output shaft 16. The worm shaft and gear 22 may not come in contact or interfere with one another if they are not configured properly. For these reasons, proper assembly is essential. However, if the worm shaft 20 is not properly installed, the assembly will not function.
Another important consideration is the worm material. Some worm gears have brass wheels, which may cause corrosion in the worm. In addition, sulfur-phosphorous EP gear oil activates on the brass wheel. These materials can cause significant loss of load surface. Worm gears should be installed with high-quality lubricant to prevent these problems. There is also a need to choose a material that is high-viscosity and has low friction.
Speed reducers can include many different worm shafts, and each speed reducer will require different ratios. In this case, the speed reducer manufacturer can provide different worm shafts with different thread patterns. The different thread patterns will correspond to different gear ratios. Regardless of the gear ratio, each worm shaft is manufactured from a blank with the desired thread. It will not be difficult to find one that fits your needs.
Gear 22’s axial pitch PX
The axial pitch of a worm gear is calculated by using the nominal center distance and the Addendum Factor, a constant. The Center Distance is the distance from the center of the gear to the worm wheel. The worm wheel pitch is also called the worm pitch. Both the dimension and the pitch diameter are taken into consideration when calculating the axial pitch PX for a Gear 22.
The axial pitch, or lead angle, of a worm gear determines how effective it is. The higher the lead angle, the less efficient the gear. Lead angles are directly related to the worm gear’s load capacity. In particular, the angle of the lead is proportional to the length of the stress area on the worm wheel teeth. A worm gear’s load capacity is directly proportional to the amount of root bending stress introduced by cantilever action. A worm with a lead angle of g is almost identical to a helical gear with a helix angle of 90 deg.
In the present invention, an improved method of manufacturing worm shafts is described. The method entails determining the desired axial pitch PX for each reduction ratio and frame size. The axial pitch is established by a method of manufacturing a worm shaft that has a thread that corresponds to the desired gear ratio. A gear is a rotating assembly of parts that are made up of teeth and a worm.
In addition to the axial pitch, a worm gear’s shaft can also be made from different materials. The material used for the gear’s worms is an important consideration in its selection. Worm gears are usually made of steel, which is stronger and corrosion-resistant than other materials. They also require lubrication and may have ground teeth to reduce friction. In addition, worm gears are often quieter than other gears.
Gear 22’s tooth parameters
A study of Gear 22’s tooth parameters revealed that the worm shaft’s deflection depends on various factors. The parameters of the worm gear were varied to account for the worm gear size, pressure angle, and size factor. In addition, the number of worm threads was changed. These parameters are varied based on the ISO/TS 14521 reference gear. This study validates the developed numerical calculation model using experimental results from Lutz and FEM calculations of worm gear shafts.
Using the results from the Lutz test, we can obtain the deflection of the worm shaft using the calculation method of ISO/TS 14521 and DIN 3996. The calculation of the bending diameter of a worm shaft according to the formulas given in AGMA 6022 and DIN 3996 show a good correlation with test results. However, the calculation of the worm shaft using the root diameter of the worm uses a different parameter to calculate the equivalent bending diameter.
The bending stiffness of a worm shaft is calculated through a finite element model (FEM). Using a FEM simulation, the deflection of a worm shaft can be calculated from its toothing parameters. The deflection can be considered for a complete gearbox system as stiffness of the worm toothing is considered. And finally, based on this study, a correction factor is developed.
For an ideal worm gear, the number of thread starts is proportional to the size of the worm. The worm’s diameter and toothing factor are calculated from Equation 9, which is a formula for the worm gear’s root inertia. The distance between the main axes and the worm shaft is determined by Equation 14.
Gear 22’s deflection
To study the effect of toothing parameters on the deflection of a worm shaft, we used a finite element method. The parameters considered are tooth height, pressure angle, size factor, and number of worm threads. Each of these parameters has a different influence on worm shaft bending. Table 1 shows the parameter variations for a reference gear (Gear 22) and a different toothing model. The worm gear size and number of threads determine the deflection of the worm shaft.
The calculation method of ISO/TS 14521 is based on the boundary conditions of the Lutz test setup. This method calculates the deflection of the worm shaft using the finite element method. The experimentally measured shafts were compared to the simulation results. The test results and the correction factor were compared to verify that the calculated deflection is comparable to the measured deflection.
The FEM analysis indicates the effect of tooth parameters on worm shaft bending. Gear 22’s deflection on Worm Shaft can be explained by the ratio of tooth force to mass. The ratio of worm tooth force to mass determines the torque. The ratio between the two parameters is the rotational speed. The ratio of worm gear tooth forces to worm shaft mass determines the deflection of worm gears. The deflection of a worm gear has an impact on worm shaft bending capacity, efficiency, and NVH. The continuous development of power density has been achieved through advancements in bronze materials, lubricants, and manufacturing quality.
The main axes of moment of inertia are indicated with the letters A-N. The three-dimensional graphs are identical for the seven-threaded and one-threaded worms. The diagrams also show the axial profiles of each gear. In addition, the main axes of moment of inertia are indicated by a white cross.