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Mold shell and mold core same mill group modular surface taper method and system

A mold core and mold shell technology is applied in the field of mold surface taper method and system of mold shell and mold core grinding group, which can solve the problems of high cost, short service life of mold, low efficiency of cold heading production operation, etc. Effects of increased friction, increased fatigue life value, and increased compressive stress

Pending Publication Date: 2018-05-29
LENGSHUIJIANG TIANBAO IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the short service life of the mold, the efficiency of cold heading production is low, and the cost during the life cycle of the mold remains high

Method used

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  • Mold shell and mold core same mill group modular surface taper method and system
  • Mold shell and mold core same mill group modular surface taper method and system
  • Mold shell and mold core same mill group modular surface taper method and system

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Embodiment Construction

[0024] The present invention will be further described below in conjunction with the accompanying drawings and examples.

[0025] In this embodiment, the nut stroke mold for high-speed nut forming machine used in the method and system for grinding the mold shell and the mold core together to form the taper of the mold surface is mainly suitable for 5-station and 6-station high-speed nut forming machines, and the range of nut specifications is The nuts produced by the cold heading process of M10~M24 in accordance with GB / T6170, GB / T6171, GB / T6172.1, GB / T6173, GB / T6174, GB / T56 and other national standards, due to the mold material and manufacturing process of this series The principles are the same and the parameters are similar. This embodiment mainly uses the M12 mold as an example for illustration.

[0026] In this example, if Figures 1 to 5 As shown, the nut stroke mold for a high-speed nut forming machine includes a stroke mold shell 1, an upper mold core 2, a lower mold ...

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Abstract

The invention discloses a mold shell and mold core same mill group modular surface taper method. A mold shell and a mold core are located on same equipment, and machined by using a same fixture and asame angle. The invention further discloses a mold shell and mold core same mill group modular surface taper system which comprises the equipment and the fixture, and the mold shell and mold core samemill group modular surface taper system is used for machining the mold shell and the mold core which are matched with each other. Compared with the prior art, the mold shell and mold core same mill group modular surface taper method and system ensure the consistency of the angle and precision of the group modular surface, the group modular surface is completely surface contact, generated frictionis sharply increased, in addition, pressure stress to the mold core by the mold shell is increased, and the fatigue life value of a mold is sharply increased.

Description

technical field [0001] The invention relates to the field of mold manufacturing, in particular to a method and a system for simultaneously grinding a mold shell and a mold core to form a taper of a mold surface. Background technique [0002] At present, hexagonal nuts within M10~M24 are generally produced by high-speed cold heading machines. High-speed cold heading machines have the characteristics of high speed, high precision, and high stability. The speed of the machine is 2 to 5 times higher. In the process of high-speed cold heading nuts, the mold is subjected to high temperature, high speed, and large impact load. The service life of traditional forming molds is <520h, and the average life span is about 260h. Due to the short service life of the mold, the efficiency of cold heading production is low, and the cost within the life cycle of the mold remains high. Contents of the invention [0003] The invention provides a method and system for co-grinding a m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B37/00B24B37/27
CPCB24B37/00B24B37/27
Inventor 付平安杨雄辉黄振
Owner LENGSHUIJIANG TIANBAO IND
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