Numerical control machining method for thin-wall copper electrode

A processing method, copper electrode technology, applied in the field of mold manufacturing, to achieve the effect of reducing deformation, balancing cutting allowance, and smooth cutting process

Inactive Publication Date: 2010-11-17
潘建新 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, high-speed machining machine tools have not been fully popularized, and most mold companies still use ordinary CNC machining methods

Method used

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  • Numerical control machining method for thin-wall copper electrode
  • Numerical control machining method for thin-wall copper electrode
  • Numerical control machining method for thin-wall copper electrode

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing, the application of the present invention is further described:

[0028] exist figure 2 In, for processing figure 1 The process of the workpiece in the middle is arranged. That is to say, from first to last: datum plane machining (datum plane 5 and datum plane 4), clamping and positioning, rough machining, datum plane machining (sides 2 and 3), machining stress relief notch 9, finishing machining, precision testing.

[0029] The specific processing method is as follows:

[0030] 1. Reasonable selection of fixtures and tools.

[0031] refer to image 3 , considering the accuracy of the benchmark during EDM, the workpiece blank is pre-processed with the top surface 5 and the bottom surface 4, and then fastened on the pressure plate 8 with screws, and then the pressure plate 8 together with the workpiece blank is fixed on the machine tool table.

[0032] refer to Figure 4 , Appropriately increasing the rake angle and r...

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Abstract

The invention relates to a numerical control machining method for a thin-wall copper electrode, which comprises the following steps of: reasonably selecting a clamp, a cutter and a cutting parameter for improving the working efficiency; reasonably distributing the step and a feed route; controlling the deformation of a workpiece; after rough machining is finished, mounting a residual stress release notch at the side surface of the workpiece; eliminating deformation caused by residual stress during rapid rough machining, wherein a rough machining cutter adopts a ball end milling cutter instead of a generally used flat end vertical milling cutter; and carrying out symmetrical machining on the design of the feed route. The method for machining the workpiece sequentially comprises the steps of machining a reference surface 5 and a reference surface 4, clamping for positioning, roughly machining, machining a reference surface 2 and a reference surface 3, machining a stress release notch 9, finely machining and detecting precision. By adopting a plurality of process measures for controlling deformation, the invention has the advantages of greatly reducing the deformation of machining parts and effectively improving the precision and the stability of the parts. By actually measuring the workpiece on a three-coordinate measuring machine, a surface roughness value can be reduced to minimum and can completely meet the requirement on products.

Description

technical field [0001] The invention relates to the technical field of mold manufacturing, in particular to a high-efficiency numerical control machining method for thin-walled parts with strict requirements on deformation control. Background technique [0002] The processing of thin-walled parts in injection mold manufacturing has always been a difficult problem in CNC machining. The control of deformation and the improvement of processing efficiency are a pair of prominent contradictions. How to solve this prominent contradiction has become a research topic for many researchers. At present, the most efficient and reliable method is to apply high-speed processing technology and complete processing on high-speed machine tools. However, high-speed machining machine tools have not been fully popularized, and most mold companies still use ordinary CNC machining methods. Contents of the invention [0003] The object of the present invention is to disclose a numerical control...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
Inventor 潘建新张导成
Owner 潘建新
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