How to prevent the H13 die steel extrusion stem from breaking
H13(1.2344) die steel is the most frequent used hot tool steel for the stem. In order to avoid H13(1.2344) die steel and aluminum profile extrusion stem breaks and fails during normal use, there are some Effective methods to prevent the extrusion stem from breaking:
1.Using Taiye CNC lathe machine to processing the extrusion stem. The Taiye intelligent (for a fool) CNC lathe does not need to be programmed and easy to use, it can be increase the R angle of the arc transition between the extrusion stem shaft and the stem seat while processing the smooth arc excessively, which effectively improves this The strength of the part also solves the residual internal stress to avoid fracture failure during the production process.
2.Use forged H13(1.2344) die steel, because the steel ingot melts into molten steel and is directly cast into round steel. There are bubbles in it, and the organization is not tight enough. The forging material is forged and processed with a forging press within the forgeable temperature range. The air bubbles and impurities are removed, and the metallography is changed, so the structure of the forging material is denser, the mechanical properties are good, the microstructure is uniform, and the performance is improved.
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