Bimetal composite punching shear mechanical cutter blade
A mechanical blade, punching and shearing technology, applied to metal processing equipment, knives for shearing machine devices, shearing devices, etc., to achieve the effect of saving strategic materials and ensuring accuracy
Inactive Publication Date: 2010-03-03
王荣根
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Problems solved by technology
[0005] In order to overcome the problem that the known punching and shearing machine blade is made of a single alloy steel, the present invention makes a punching and shearing machine blade by compounding double alloy steel.
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[0012] In the present invention, the cutting edge of high alloy steel 1 and the cutting body of low alloy steel 2 are compounded under high temperature, high pressure and anaerobic sealing state by composite casting or positioning welding for different alloy steels.
[0013] exist Figure 1 to Figure 4 In the shown embodiment, the positioning hole 3 is located in the cutter body of the low alloy steel 2.
[0014] exist figure 2 In the shown embodiment, the blade of high-alloy steel 1 is compounded on the body of low-alloy steel 2, and the composite position is the upper and lower sides of the body.
[0015] exist Figure 4 In the shown embodiment, the blade of high-alloy steel 1 is compounded on the body of low-alloy steel 2, and the composite position is the front and back planes of the body.
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The invention relates to a punching shear mechanical cutter blade, which is characterized in that a cutting edge is made of high-alloy steel 1, and a cutter body is made of low-alloy steel 2. The punching shear mechanical cutter blade composited by the two kinds of alloy steel not only saves steel blanks of the high-alloy steel for the punching shear mechanical cutter blade, but also is suitable for a normal drilling process when a positioning hole 3 is processed.
Description
Technical field: [0001] The invention relates to punching and shearing machine blades. Background technique: [0002] At present, the known punching and shearing machine blades are made of a single alloy steel, that is, the blade and the knife body are integrally made of the same alloy steel. [0003] Since the working part of the punching and shearing machine blade is the blade, and the hardness of the blade is usually between HIC55-62, the blade must be made of high-alloy steel, so that the blade body is also made of high-alloy steel. The ratio of the effectively used blade to the blade body is 8 % to 92%, the high-alloy steel used in the 92% cutter body can be regarded as a waste. [0004] In addition, several positioning holes must be drilled on the cutter body of the punching and shearing machine blade. If the holes are drilled before heat treatment, the accuracy of the hole distance will change after heat treatment; if the holes are drilled after heat treatment, the h...
Claims
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IPC IPC(8): B23D35/00
Inventor 王荣根
Owner 王荣根