In daily life, most stainless steel products are plated with a multi-arc ion vacuum coating machine, which has the advantages of good uniformity, dense film structure, high finish and high efficiency. It is widely used in the market, and the proportion is also very high. high. The following is a brief introduction to the basic knowledge of stainless steel products coated by multi-arc ion vacuum coating machine, hoping to help you:

Everyday stainless steel workpieces, plated with different colors, need different processes and different rake materials, such as the common gun color, we generally choose to use titanium rake or chrome rake, the color made by titanium rake is old, and the color made by chrome rake For tender and black ones, we generally use titanium or chrome rakes. If the film layer fades, the first analysis is whether the process is correct, the second analysis is whether the pretreatment cleaning is thorough, whether the pure water value meets the standard requirements, and the third analysis is whether there is leakage in the vacuum furnace. There are probably three reasons. If the color changes, first analyze whether the product of the hanger is within the effective sputtering range, and the second analyze whether the process should be adjusted.
       The stripping is also based on different processes, the size of the bias voltage, and the color of different rake materials to analyze how to correctly strip, the color plated with titanium rake, such as gold: hydrogen peroxide plus flakes of alkali, plating The color is different, and the stripping process used is also different.
       When the multi-arc ion vacuum coating machine is working, the power of the target material used is different. The stainless steel TIC-plated multi-arc cathode has different currents that can work stably according to the target material, for example: if it is a Cr target , can work stably at about 60A, Ti target can work stably at about 70A, Zr's arc-stabilizing current is slightly higher, about 100A, and the working voltage of the cathode is between 20V-30V. When coating, for example, if you want to make a TIC black film, you must use a Ti target. The working current of TI is 70A and the working voltage is about 25V. C2H2 gas needs to be filled into the vacuum chamber, and the vacuum degree during coating should be maintained at about 0.5Pa. , Under normal circumstances, the molecular pump or diffusion pump is used to extract these gases, so that the vacuum chamber maintains a certain pressure. At this time, the spool valve pump and the Roots pump act as the backing pump of the molecular pump or diffusion pump. on.