Do you know what hard chromium technology is? Do you want to know what the hard chromium process is? Look at the simple introduction of our nine Sheng power machinery.

First of all, we need to know that hard chromium plating is a thick chromium coating on the surface of various matrixes. Its thickness is generally above 20um. Here we mainly use the characteristics of chromium to improve the hardness, wear resistance, temperature resistance and corrosion resistance of parts.

Process flow: inspection, oil removal, inspection

Process parameters:

1 percent (CrO3) of 220 ~ 250g/l water reverse washing 2 chrome sulfate (SO42-) from 2.2 to 3 2.5g/l (Cr3+) 2 trivalent chromium plating solution 4 ~ 5g/l temperature of 50~55 DEG C to 5 cathode current density of 30 ~ 60A/dm2

Operating rules and precautions:

1. The size of the plating parts before plating, the surface condition of the machine, and the accurate calculation of the electroplating time according to the thickness of the coating.

2, control the working condition of the plating bath, observe carefully, pay attention to the change of temperature, change of liquid level, careful operation, and fill out the operating records in a real way. According to the test results, add the water to correct the electroplating solution.

3, after plating, check the quality and size of the coating, clean and clean, anti rust protection of the parts, such as the silk tooth and the inner hole. The operation of steel, edge burr.

4. If the acid is splashed on the skin, rinse with water immediately.

The hard chromium technology will give you a brief introduction to these, hoping that we can have a better understanding of chrome plating process, and hope that we can better buy chromium plating products of good process.