Welding on process for restoring die
A mold and welding technology, used in manufacturing tools, welding equipment, arc welding equipment, etc., can solve problems such as the impact of production costs, and achieve the effects of good toughness, high hardness and simple operation process
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[0029] Example 2: A cold-punching drawing mold for repairing 6cm cracks
[0030] The operation steps are the same as in Example 1, where the proportion of each component of the alloy powder is 5% tungsten or tungsten oxide, 43.5% nickel, 25% iron, 3% boron, 18% chromium, 2.5% carbon, 3% silicon, and its fineness is -120 mesh ~ +200 mesh.
[0031] The wear resistance of the repaired mold is increased by 150%, and the surface Rockwell hardness of the weld is HRC61.
Example
[0032] Example 3: Repair a punching knife edge die with a crack depth of 3.5mm and a width of 5mm at the knife edge.
[0033] The operation steps are the same as Example 1, where the proportion of alloy powder is 4% cobalt, 33% nickel, 32% iron, 4% boron, 20% chromium powder, 2% carbon, 5% silicon, and its particle size is -100 mesh ~ +200 Item.
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