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Method for processing lead screw or roller of small and miniature planetary roller screw pair

A technology of planetary rollers and processing methods, applied in belts/chains/gears, mechanical equipment, transmissions, etc., can solve the problems of low failure rate, long life, small size, etc., to increase the thread strength and overcome the sharp angle effect. , the effect of high production efficiency

Inactive Publication Date: 2019-12-17
李敬宇
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The star roller screw manufactured by rolling has the characteristics of high load, low noise, small size, long life and low failure rate, which are unmatched by other similar products.

Method used

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  • Method for processing lead screw or roller of small and miniature planetary roller screw pair
  • Method for processing lead screw or roller of small and miniature planetary roller screw pair

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Embodiment Construction

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] figure 1 It is the structure diagram of the planetary screw after processing and forming, figure 2 It is the structural diagram of the planetary roller after processing and forming. The diameter of the screw or roller involved in the present invention is less than 10mm, and the aspect ratio coefficient is greater than 1:50. If this small miniature planetary roller screw adopts the grinding process production, it is difficult to achieve the requirement that the aspect ratio exceeds 1:50. Even so, the product processing is difficult, the manufacturing cost is high, and the accuracy is difficult to guarantee. After the invention is realized, the requirement of large length-to-diameter ratio of the product can be easily realized, the manufacturing cost of the product can be greatly reduced, and the application range can be expanded. Moreover, it is energy-saving...

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Abstract

The invention discloses a method for processing a lead screw or a roller of a small and miniature planetary roller screw pair. The method has the characteristics of being simple in technical processes, extremely small in material consumption, and high in production efficiency; the length-diameter ratio coefficient of the lead screw can be beyond 1: 50. If the small micro planetary roller screw ismanufactured by adopting a grinding process, the length-diameter ratio exceeding 1: 50 is difficult to realize. Even so, the product processing difficulty is high, the manufacturing cost is high, andthe precision also is difficult to guarantee. After the method is realized, the requirement of large length-diameter ratio of the product can be easily realized, the manufacturing cost of the productcan be greatly reduced, and the application range is expanded. The method realizes energy conservation and low consumption, and is beneficial to environmental protection.

Description

Technical field: [0001] The invention relates to a processing method for a lead screw or a roller of a small miniature planetary roller screw pair. Background technique: [0002] The planetary roller screw pair is a transmission device that converts linear motion and rotary motion. Since the roller thread of the planetary roller screw pair meshes with the lead screw thread and the nut ring gear thread, when the lead screw or nut rotates, the roller drives the nut or the nut and the ring gear drive the roller to generate both rotation and rotation. The lead screw circulates like a planet. Compared with other lead screw products of the same specification, this device has low friction coefficient, large load, high transmission efficiency, stable operation, low noise, compact structure and small volume. In view of the above characteristics, many industries want to adopt it. But it stopped because of the high price of the planetary roller screw pair. If the manufacturing cost...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H25/22B23P15/00B23P15/14
CPCB23P15/00B23P15/14F16H25/2247
Inventor 李敬宇李一前陈宣匀陈洁
Owner 李敬宇
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