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Chamfering knife

A chamfering knife and chamfering technology, applied in the field of chamfering knives, can solve the problems of stress deformation, low machining accuracy, and low hardness of parts, and achieve the effect of easy discharge and increased strength

Active Publication Date: 2017-01-11
CHANGZHOU CHUANGWEI TOOL MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the fields of machinery manufacturing and electronics are becoming more and more developed, and the requirements for processing precision of parts are also getting higher and higher; while in the fields of machinery manufacturing and electronics, there are many small parts that need to be chamfered, such as mobile phone buttons, or buttons in elevators, etc., due to Such parts are small in size. During the chamfering process, due to the large diameter of the chamfering knife, the parts are easily deformed during processing, and the processing accuracy is low; especially when such small parts are stainless steel, due to the Stainless steel has high toughness and low hardness, so it is difficult to cut during processing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] see figure 1 The shown chamfering cutter includes a hard alloy cutter body; the cutter body includes a handle 1, and a cutting portion 2 arranged at the end of the handle, wherein the carbide cutter body improves the performance of the two-edged reverse spiral milling cutter. Strength, and make it more wear-resistant, heat-resistant, and corrosion-resistant; the diameter of the shank is equal to the diameter of the cutting part; the outer turning surface of the end of the cutting part is provided with a chamfer 3, which can chamfer the workpiece during milling. Angle; the end of the cutting part is provided with four cutting edges 4, so that when the chamfering knife is processing the chamfering, it can also process the bottom surface of the workpiece at the same time, and a groove for chip removal is formed between the cutting edges, which is convenient for processing the bottom surface. Chip removal; the side of the cutting part is provided with a right-handed chip re...

Embodiment 2

[0021] In order to process small chamfers on small parts, the length L2 between the end of the cutting part and the end of the chamfer is 0.5 mm. Due to the short length of the chamfer, the smoothness and dimensional accuracy of the chamfered surface are ensured after the chamfering of the workpiece with a small height is completed.

Embodiment 3

[0023] In order to save the production cost of the chamfering knife, the knife handle and the cutting part are integrally formed. Due to the integrated molding, the tool manufacturing process is reduced and the tool production efficiency is improved.

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Abstract

The invention relates to the technical field of machining and in particular relates to a chamfering cutter. The chamfering cutter comprises a cutter body which is made of hard alloy, wherein the cutter body comprises a cutter handle and a cutting part arranged at the end part of the cutter handle; the diameter of the cutter handle is equal to that of the cutting part; a chamfer is formed in the outer rotation surface of the end part of the cutting part; four cutting edges are arranged at the end part of the cutting part; a dextral chip removal groove is formed in the side surface of the cutting part; the total length of the chamfer is 50mm; the diameter of the cutter handle is 12mm. The chamfering cutter is capable of easily machining the chamfers of small stainless steel parts; meanwhile, the chamfers are high in surface smoothness and high in accuracy.

Description

technical field [0001] The invention relates to the technical field of machining, in particular to a chamfering knife. Background technique [0002] At present, the fields of machinery manufacturing and electronics are becoming more and more developed, and the requirements for processing precision of parts are also getting higher and higher; while in the fields of machinery manufacturing and electronics, there are many small parts that need to be chamfered, such as mobile phone buttons, or buttons in elevators, etc., due to Such parts are small in size. During the chamfering process, due to the large diameter of the chamfering knife, the parts are easily deformed during processing, and the processing accuracy is low; especially when such small parts are stainless steel, due to the Stainless steel has high toughness and low hardness, so it is difficult to cut during processing. Contents of the invention [0003] The object of the present invention is to provide a chamferin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23C5/00B23C5/28
Inventor 张波
Owner CHANGZHOU CHUANGWEI TOOL MFG