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[CN 202110682702.2] Preparation method of low alloy hammer head for rotary radial precision cold forging machine tool
[CN 202110682702.2] A Preparation Method of Low Alloy Hammer for Rotary Radial Precision Cold Forging Machine Tool Title: A Preparation Method of Low Alloy Hammer for Rotary Radial Precision Cold Forging Machine Tool Application Number: CN 202110682702.2 Applicant: Jiangsu Haishao Technology Co., Ltd. Application Date: 2021-6-21 Patent Type: Application for Invention A Preparation Method of Low Alloy Hammer for Rotary Radial Precision Cold Forging Machine Tool, The present invention relates to the technical field of mechanical parts processing, 7Cr2NiMoSiVRE cold working die steel is selected as the base material, and the above base material is forged by forging equipment. The ingot is heated to produce the base. Machining and forming; Hammer head working face CFUMSIP treatment; The 7Cr2NiMoSiVRE hammer head can be finished and tested. It uses upsetting process to increase the forging ratio of the matrix, and then uses fast forging and radial precision forging to improve the internal structure of the matrix, refine grains and improve the toughness of the matrix. In order to meet the requirements of high toughness and high hardness of the hammer head, the nano composite coating is prepared on the working surface of the hammer head by closed field unbalanced magnetron sputtering ion deposition technology to enhance the surface hardness of the hammer head and improve the service life of the hammer head.
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