Grinding machining method for outer circle of universal joint pin neck

A technology of cylindrical grinding and processing methods, which is applied in the direction of machine tools, metal processing equipment, grinding/polishing equipment, etc. designed for grinding the rotating surface of workpieces, and can solve the problem of many curved surfaces to be processed and complicated processing technology of cross-axis parts. problems, to achieve the effect of reducing grinding wheel dressing times, reducing grinding processing time, and improving processing efficiency

Active Publication Date: 2015-01-07
NANTONG VOCATIONAL COLLEGE
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Problems solved by technology

There are many curved surfaces to be processed on the cross-axis parts, and the processing technology is complicated. Three different grinding wheels are needed to grind the outer circle of the cross-axis, and each grinding wheel needs to be trimmed. The four journals of the cross-axis Cutting needs to change the clamping as many as twelve times, and the processing technology is quite complicated

Method used

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  • Grinding machining method for outer circle of universal joint pin neck
  • Grinding machining method for outer circle of universal joint pin neck
  • Grinding machining method for outer circle of universal joint pin neck

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Embodiment Construction

[0019] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention. In addition, it should be understood that after reading the teachings of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

[0020] The embodiment of the present invention relates to a cylindrical grinding method of a cross shaft journal, and the specific steps are as follows:

[0021] 1. Optimize variable design

[0022] The plunge grinding method is adopted in the cylindrical grinding of the cross shaft journal, and the linear velocity of the workpiece rotation is taken as v w , Grinding wheel lateral feed rate f r As a design variable for the o...

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Abstract

The invention relates to a grinding machining method for an outer circle of a universal joint pin neck. The grinding machining method comprises the following steps that optimization variables are designed, and the rotation linear velocity vw of a universal joint pin workpiece and the transverse feeding amount fr of a grinding wheel serve as the optimization variables; the minimum time used for grinding a signal universal joint pin serves as a target function, wherein the target function is t=1 / vw*fr +k*vw*fr, vw is the rotation linear velocity of the universal joint pin workpiece, fr is the transverse feeding amount of the grinding wheel, and k is a correction factor; the optimal rotation linear velocity vw of the universal joint pin workpiece and the transverse feeding amount fr of the grinding wheel are obtained according to the restraining condition; the outer circle of the universal joint pin neck is ground according to the obtained optimal rotation linear velocity vw of the universal joint pin workpiece and the transverse feeding amount fr of the grinding wheel through a crush grinding method. The grinding machining method can obtain an optimal grinding parameter combination and meanwhile takes production efficiency into consideration.

Description

technical field [0001] The invention relates to the technical field of cross shaft processing, in particular to a cylindrical grinding method for a cross shaft journal. Background technique [0002] The cross shaft is one of the key parts in various metallurgical equipment, and it is a relatively difficult part to process, and its design requirements are relatively strict. There are many curved surfaces to be processed on the cross shaft parts, and the processing technology is complicated. Three different grinding wheels are needed to grind the outer circle of the cross shaft, and each grinding wheel needs to be arc trimmed. The four journals of the cross shaft are grinded Cutting needs to change the clamping as many as twelve times, and the processing technology is quite complicated. There are multiple turning processes in the machining process of the cross shaft, and it is also required to arrange reasonable drilling and grinding of the center hole. During the processing,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B5/04
CPCB24B5/42
Inventor 肖轶李业农周开俊张丽萍徐呈艺
Owner NANTONG VOCATIONAL COLLEGE
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