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Process flow for machining lower punching die

A technology of process flow and mold processing, which is applied in the field of process flow of punching dies, can solve problems such as resource waste, mold deformation and scrapping, and affecting production efficiency, and achieve the effects of avoiding waste and improving processing accuracy

Inactive Publication Date: 2013-04-10
GUANGDONG DONGMU NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When the punch material used is SLD high-wear-resistant high-chromium cold work tool steel, and the heat treatment is mainly vacuum treatment, for some molds, such as flanges with one upper and three lower punches, the conventional structure is in the small plate The wall thickness at the position is relatively thin, and deformation often occurs due to the influence of stress during the online cutting process, resulting in deformation and scrapping of the mold, which seriously affects production efficiency and wastes resources

Method used

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  • Process flow for machining lower punching die

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Embodiment Construction

[0021] refer to figure 1 , the invention discloses a process flow for processing a lower punch die. The steps of processing one of the lower punch dies using the process flow of the present invention are as follows: 1) Blanking: select a SLD tool steel billet with a size of ф100*147 for processing; 2) Turning process: carry out the turning process on the blank, process the shape of the mold 1 according to the requirements of the drawing, and keep the process head 11 at ф80*5 according to the process requirements, wherein the thickness of the process head 11 is 3~4mm, and the width is 2~5mm , and the rest are processed according to the process parameters on the design drawings; 3) Marking: mark the processing position and shape on the mold 1 according to the requirements of the drawing; 4) Drilling: process each process hole according to the drawing and the processing technology requirements of the mold 1; 5 ) Heat treatment: Heat treatment on mold 1; 6) Wire-cut rough machinin...

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Abstract

The invention discloses a process flow for machining a lower punching die. A process head is reserved in the process of machining the lower punching die, so that deformation produced at the relatively thin position of the wall of the die due to stress in the machining process is effectively reduced, waste produced by scrapping due to high deformation in the machining process of the die is avoided, the machining precision of the die is greatly improved, the production efficiency can be effectively improved, and the waste is reduced.

Description

technical field [0001] The invention relates to a die, in particular to a processing flow of a lower punch die. Background technique [0002] The existing mold manufacturing process is generally as follows: turning→milling marking→NC scribing→drilling→heat treatment→rough grinding→slow wire, wire cutting→EDM→slow wire→EDM→research and matching. , Drilling, milling, and grinding, EDM, CNC milling, fast and slow wire cutting, grinding, etc. After completing the complex curved surface and small hole process, the parallelism of the surface shape is required to reach 10~5μm, and the precision of the small hole is required to be controlled at 1~5μm to ensure the quality of the mold. When the punch material used is SLD high-wear-resistant high-chromium cold work tool steel, and the heat treatment is mainly vacuum treatment, for some molds, such as flanges with one upper and three lower punches, the conventional structure is in the small plate The wall thickness at the position is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/24
Inventor 蔡胡磊李凤冰
Owner GUANGDONG DONGMU NEW MATERIALS