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Important Parameters of Hardening Die Steel Milling in Mold Making

Today, seeing the end of April, April will be quietly in the past, 5-1 gold holiday coming soon. In front of a few days because of Dongguan Plastic mold factory editor is busy, has no time to update the site, and finally took the time to update an article today. Now we introduce the plastic mold processing hardened hard die steel milling important parameters.


When using high-speed milling to finish the hardened die steel, one of the main factors to be followed is the use of shallow cutting. The depth of cut should not exceed 0.2 / 0.2 mm (ap / ae: axial depth of cut / radial depth of cut). This is to avoid excessive bending of the shank / cutting tool and to keep the machined molds with small tolerances and high accuracy.


It is also important to choose a rigid clamping system and tool. When using an integral carbide tool, it is important to use a tool with a maximum core diameter (maximum bending rigidity). One rule of thumb is that if the diameter of the tool is increased by 20%, for example from 10 mm to 12 mm, the bending of the tool will be reduced by 50%. It can also be said that if the tool extension / extension is shortened by 20%, the bending of the tool will be reduced by 50%. Large diameter and taper of the handle to further improve the stiffness. When using the ball head end of the indexable insert (see mold manufacturing sample C-1102: 1), if the handle is made of solid carbide, bending rigidity can be increased by 3-4 times.


It is also important to choose a dedicated groove and grade when finishing the hardened die steel with high speed milling. It is also important to choose a coating with high thermal hardness such as TiAlN.




Note: The above information from the Jiezheng mold on the Internet, welcome reproduced, indicate the source!

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