Chemical treatment and processing method of overrunning clutch wedge

An overrunning clutch and chemical treatment technology, which is applied in the field of chemical treatment and processing of overrunning clutch wedges, can solve problems such as wedges being difficult to meet product requirements, wedge manufacturing precision errors, and error accumulation.

Active Publication Date: 2012-09-26
XIAMEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Traditional wedges are processed by four processes of cold drawing, cutting, heat treatment, and polishing (see literature: "Application of Wedge Overrunning Clutches in Loader Gearboxes" Journal: Construction Mechanization, Classification Number: TH243); The two processes of drawing and he

Method used

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  • Chemical treatment and processing method of overrunning clutch wedge
  • Chemical treatment and processing method of overrunning clutch wedge
  • Chemical treatment and processing method of overrunning clutch wedge

Examples

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Embodiment Construction

[0022] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.

[0023] figure 1 Schematic diagram of the sprag type overrunning clutch. exist figure 1 Among them, each mark is: 1 wedge; 2 cage; 3 outer slideway; 4 inner slideway; 5 inner ring; 6 outer ring; 7 spring belt.

[0024] figure 2 It is a schematic diagram of a sprag of a sprag type overrunning clutch. exist figure 2 , labeled: 1 Wedge.

[0025] image 3 It is a schematic diagram of the hydrochloric acid corrosion processing process of the embodiment of the present invention. exist image 3 Among them, each mark is: 31 drum (the surface of the drum is hollowed out to facilitate the penetration of hydrochloric acid); 32 drum support frame; 33 hydrochloric acid pool; 34 drum shaft; 35 motor.

[0026] Figure 4 It is the purpose of the extrusion molding die of the present invention. exist Figure 4 Among them, each mark is: 41 supporting wall; ...

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Abstract

The invention relates to an overrunning clutch, and in particular relates to a chemical treatment and processing method of an overrunning clutch wedge... The wedge provided by the invention has high production precision so as to prolong the service life of the clutch. The method comprises the following steps of: carrying out cold drawing and cutting to produce a wedge with the margin being 0.02-0.04mm on the single side by using ball bearing steel; polishing after vacuum hardening and tempering, and removing the oil stain and edge on the surface; carrying out acid corrosion on the wedge; disacidifying the wedge after acid corrosion; carrying out rustproof treatment; and molding the wedge after rustproof treatment by using an extruder, thus finishing the chemical treatment and processing of the overrunning clutch wedge.

Description

technical field [0001] The invention relates to an overrunning clutch, in particular to a chemical treatment and processing method of a sprag of an overrunning clutch. Background technique [0002] Wedge type overrunning clutch is a device for one-way transmission of power, widely used in aircraft, tanks, military trucks, off-road vehicles, lathes, textile machinery, intermittent transmission mechanisms of automatic production lines, etc. The existing sprag type overrunning clutch includes an inner ring and an outer ring with slideways, and a special-shaped block (that is, a wedge) and a cage with a spring are arranged between the inner and outer slideways. [0003] The wedge is an extremely important part in the sprag type overrunning clutch, which plays an important role in the transmission of the clutch. Its manufacturing precision and strength will have an important impact on the service life of the entire overrunning clutch. Traditional wedges are processed by four pr...

Claims

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Application Information

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IPC IPC(8): B23P15/00B21C23/02B21C25/02C23F1/28
Inventor 许水电黄辉杜迪康刘静静王鸿雁
Owner XIAMEN UNIV
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