Method for preparing coupled biomimetic surface and hot heading die according to composition and working conditions
A mold and hot heading technology, which is applied in the field of surface strengthening of hot heading molds, can solve the problems of inability to strengthen, high cost, and inability to improve the service life of the mold, so as to improve wear resistance, wear resistance, strength and toughness, The effect of uniform surface stress distribution
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preparation example Construction
[0040] The preparation process of the bionic coupling surface of the hot heading die is as follows:
[0041] Fix the hot heading die to be processed on the rotary table.
[0042] Install the laser head of the laser on the robot arm, call the circular ring processing program of the manipulator according to the processing path of the bionic model designed on the surface of the hot heading die, process the circular bionic unit body, and call the processing program of the manipulator in the same way, control The rotary table rotates for a certain period of time to control the laser head to move simultaneously in the horizontal and vertical directions to process oblique stripes and linear bionic units. Then control the rotary table to rotate for a certain period of time, and then repeatedly process the oblique stripes and straight stripes bionic unit;
[0043] After processing, inspect the bionic unit body on the surface of the hot heading die, confirm that the bionic unit body is...
Embodiment 1
[0046] In this embodiment, when manufacturing a hot heading die with a bionic unit body on the surface, laser bionic wear-resisting strengthening is performed on the surface of the hot heading die according to the specific working conditions of the hot heading die, such as the surface shape, the conditions of the parts prone to failure and the requirements of the working conditions. Determine the laser parameters according to the material of the base material. Such as figure 2 As shown, a certain density of reticular biomimetic unit body is prepared on the working surface of the hot heading die, and the sliding wear of the contact surface during the hot heading process produces a furrow and a dam obstruction.
[0047] Sample 1:
[0048] Carbon content: 0.41 (wt%); Alloy element content: 8.67 (wt%); Bionic unit body characteristic parameters: depth h is 0.56mm, width w is 1.53mm, hardness is 680Hv, roughness Ra is 6300nm; mesh bionic The angle θ between the starting point of...
Embodiment 2
[0058] In this embodiment, when manufacturing a hot heading die with a bionic unit body on the surface, laser bionic wear-resisting strengthening is performed on the surface of the hot heading die according to the specific working conditions of the hot heading die, such as the surface shape, the conditions of the parts prone to failure and the requirements of the working conditions. Determine the laser parameters according to the material of the base material. Such as image 3 As shown, the preparation of a certain density of leaf-veined bionic units on the working surface of the hot heading die not only produces plows and dams to hinder the sliding wear of the contact surface during the hot heading process, but also enhances the anti-adhesive wear and peeling effect.
[0059] Sample 1:
[0060] Carbon content: 0.41 (wt%); Alloy element content: 8.67 (wt%); Bionic unit characteristic parameters: depth h is 0.56mm, width w is 1.53mm, hardness is 680Hv, roughness Ra is 6300nm; ...
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Abstract
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