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Cold heading oil plays a key role in the fastener manufacturing process. Good cooling performance and extreme pressure and anti-wear performance have made a qualitative leap in the service life of the punch and the accuracy of the workpiece. Depending on the material of the workpiece, the focus of cold heading oil is also different in the selection of performance.
(1) When choosing cold heading oil for carbon steel, the best viscosity should be determined according to the difficulty of the process. It is also necessary to pay attention to the rust of the machine and workpiece caused by the chlorine type cold heading oil. Upsetting oil can effectively avoid rust problems.
(2) Stainless steel is a material that is prone to hardening, and requires the use of cold heading forming oil with high oil film strength and excellent extreme pressure and anti-wear properties. Generally, oil products containing sulfur-chlorine compound additives are used to ensure extreme pressure performance and avoid problems such as blackening of workpieces and breakage of punches.
1. The anti-oxidation properties of cold heading forming oil at high temperature deteriorate, aggravating its thermal decomposition, oxidation and polymerization. At the same time, the dust and moisture in the air enter through the air intake system to contaminate the cold heading oil, so the cold heading oil is easy to deteriorate.
2. The viscosity of lubricating oil changes with the increase of temperature, that is, the viscosity of cold heading oil decreases when it is heated, which is easy to cause the consumption of cold heading oil too fast.
October 16, 2024
October 12, 2024
April 26, 2024
April 26, 2024
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.