Compound high-speed steel mantle fiber threading die for machine
A die and threading technology, which is applied to metal processing equipment, thread cutting devices, manufacturing tools, etc., to achieve the effect of saving strategic materials and ensuring precision
Inactive Publication Date: 2011-08-10
SHANGHAI WECALI MACHINE KNIVES
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Problems solved by technology
[0005] In order to overcome the problem that the known threading dies for machines are made of a single alloy steel, the present invention combines double alloy steels to make machine threading dies
Method used
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[0011] In the present invention, the cutting edge of the high-speed steel 1 and the die body of the low-alloy steel 2 are compounded by compound casting or positioning welding for different alloy steels under high temperature, high pressure and vacuum sealing.
[0012] exist figure 1 In the shown embodiment, the square groove 3 is located in the die body of the low alloy steel 2 .
[0013] exist figure 1 In the shown embodiment, the cutting edge of the high-speed steel 1 is compounded with the die body of the low-alloy steel 2, and the compounding position is the compound surface N between the right end of the cutting edge and the left end of the die body.
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The invention discloses a mantle fiber threading die for a machine. The mantle fiber threading die is characterized in that: a threading die cutting edge is made of high-speed steel 1, a threading die body is made of low alloy steel 2, the mantle fiber threading die for the machine is formed by compounding two kinds of alloy steel; and the high-speed steel blank of the mantle fiber threading die for the machine is saved, and a square groove 3 can be processed by a common square groove processing technique.
Description
Technical field: [0001] The invention relates to a threading die for a machine. Background technique: [0002] At present, the known threading dies for machines are made of a single alloy steel, that is, the cutting edge of the die and the die body are integrally made of the same alloy steel. [0003] Since the working part of the machine threading die is the cutting edge of the die, and the hardness of the cutting edge of the die is usually between HIC58-62, the cutting edge of the die must use high-speed steel, so that the body of the die also uses high-speed steel. To effectively use the cutting edge of the die In terms of mouth and die body ratio of 20% to 80%, then the high-speed steel used by the 80% die body can be regarded as a waste. [0004] In addition, machine threading dies are elongated cubes, and the middle section of the elongated side must be processed with longitudinal clamping and positioning square grooves. If the square grooves are processed before heat...
Claims
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Inventor 王荣根
Owner SHANGHAI WECALI MACHINE KNIVES