Assembling method of flexible bearing and cam

A flexible bearing and assembly method technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of time-consuming and labor-intensive assembly methods, damage to flexible bearings, etc., to improve assembly quality, reduce positioning errors, and meet the transmission of working torque. the effect of the request

Inactive Publication Date: 2018-11-16
ZHEJIANG UNIV KUNSHAN INNOVATION INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing method of assembling the flexible bearing and the cam is time-consuming and laborious, and it is easy to cause damage to the flexible bearing

Method used

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  • Assembling method of flexible bearing and cam

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Embodiment Construction

[0021] An assembly method of a flexible bearing and a cam:

[0022] (1) The elliptical axis positioning datum is reserved in the design of the cam, and the reserved elliptical axis is at least one of the major axis or the minor axis; then the cam is processed according to the design, and the processed cam is placed in an industrial freezer Freeze in the box, the freezing temperature is -62℃~-58℃, and the freezing time is not less than 8 hours;

[0023] (2) According to the specifications of the wave generator to be assembled, process the corresponding assembly tooling 1. The assembly tooling 1 includes a positioning part, a pressing part 2, and a pressing part 3. The positioning part includes a flexible bearing positioning part 4 and a cam positioning part 5. , the pressing part 2 is used to pressure deform the flexible bearing 6 into an oval shape and fix it, and the pressing part 3 presses the positioned cam 7 into the deformed flexible bearing 6;

[0024] (3) Put the flexi...

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Abstract

The invention provides an assembling method of a flexible bearing and a cam. According to the assembling method, the cam can be ensured to conveniently, rapidly and accurately pressed into an inner hole of the flexible bearing, the flexible bearing is not damaged, and the hidden danger of shortening the service life of a harmonic reducer is eliminated. The assembling method comprises the followingsteps that (1) according to the design, the cam is machined, and the machined cam is frozen; (2) according to the specification of the wave generator needing to be assembled, a corresponding assembling tool is machined, and the positioned cam is pressed into the flexible bearing which is subjected to deformation through a press-fitting part of the assembling tool; (3) the flexible bearing in thewave generator needing to be assembled is placed into a flexible bearing positioning cavity of a positioning part for positioning; (4) the frozen cam is taken out, and the cam is fixed through a cam positioning part; (5) a profiling part is used for carrying out pressure deformation on the flexible bearing to form an oval shape, and fixing is carried out; and (6) it is ensured that after the elliptical axis of the cam coincides with the corresponding elliptical axis of the flexible bearing, the positioned cam is pressed into the flexible bearing by the aid of a press machine.

Description

technical field [0001] The invention relates to the technical field of harmonic reducer manufacturing, in particular to an assembly method of a flexible bearing and a cam. Background technique [0002] The harmonic reducer is mainly composed of three basic components: wave generator, flexible spline and rigid spline. It relies on the wave generator to produce controllable elastic deformation of the flexible spline, and meshes with the rigid spline to transmit motion and power. The wave generator is composed of an elliptical cam (abbreviated as cam) and a thin-walled ball bearing (abbreviated as flexible bearing). Since the outer contour of the cam is elliptical and the inner hole of the flexible bearing is circular, it cannot be directly pressed in. The existing method for assembling the flexible bearing and the cam is time-consuming and laborious, and easily causes damage to the flexible bearing. Contents of the invention [0003] In view of the above problems, the pre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P11/02
CPCB23P11/025
Inventor 张慧明
Owner ZHEJIANG UNIV KUNSHAN INNOVATION INST
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