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As a new polishing process, plasma polishing is a trend in stainless steel polishing. If we can make good use of plasma polishing will save us a lot of time and costs.
PVD and CVD are the most commonly used surface treatment methods for tools and moulds, CVD is based on chemical vapour deposition and PVD is based on physical vapour deposition, as they differ in principle, the final coating results are different and each has its own focus in application.
Electrolytic polishing has great advantages over traditional polishing, low cost, small footprint, can polish complex workpieces, has unmatched advantages over traditional polishing.
PVD stands for Physical Vapour Deposition. PVD coating refers to a thin film deposition technique whereby solid materials are sputtered or evaporated in a vacuum environment and deposited as pure materials or alloy components to form a coating on a substrate.
There are many different types of ion sources used in vacuum coating. The main ones are: high frequency ion sources, arc discharge ion sources, Kaufmann ion sources, radio frequency ion sources, Hall ion sources, cold cathode ion sources, electron cyclotron ion sources, anode layer ion sources, inductively coupled ion sources and probably many other types of ion sources that have not been mentioned.
Views: 41 Author: Site Editor Publish Time: 2022-09-19 Origin: Site
There are a total of three types of polishing machines, namely straight-centred machines, eccentric machines and forced eccentric machines.
What is a straight centre machine?
This is a polishing machine that only rotates compulsorily in one direction, clockwise. The function of this machine is to remove deep scratches, i.e. 600 to 800 grit sandpaper marks and 1500 to 2000 grit sandpaper marks, which is the necessary polishing equipment for every auto body technician.
Advantages of the straight centre machine: high efficiency and very fast removal of scratches.
Disadvantages of the straight centre machine : low safety, fast temperature rise, glare after polishing. It is particularly easy to throw through during the work, especially in the angular areas, if you are not careful.
What is an eccentric machine?
This machine is randomly rotating and has an irregular oval movement.
The machine is available in 15mm and 21mm, but these are the most popular models on the market.
The 15mm and 21mm have serious selection difficulties, both at home and abroad, except for the different back plates and eccentric blocks. Comprehensive tests have basically confirmed that the cutting capacity of the two polishing machines is basically equal, and in theory the 21mm has a little more cutting capacity than the 15mm.
Eccentric machine advantages: high safety, polishing without glare, and polishing after the surface temperature of the paint is warm, not like straight machine polishing after the paint surface hot hands, and do mirror effect than RO machine effect.
Disadvantages of the eccentric machine: low efficiency, for deep scratches eccentric machine is not removed.
What is a forced eccentric machine?
As this machine has very little popularity in the market, I will give you a brief introduction.
This machine is based on an eccentric machine with a gear drive system that allows the eccentric machine to rotate forcibly like a straight machine, and the cutting force of the forced eccentric machine is midway between the eccentric and straight machine, with a lower temperature than the straight machine and a higher temperature than the eccentric machine, while in terms of efficiency it is slightly slower than the straight machine and slightly faster than the eccentric machine, and safer than the straight machine and lower than the eccentric machine.
It is not recommended to use this machine if your skills are not very good, and it is not too late to use this machine when your skills reach a certain standard.
Whether it is a straight, eccentric or forced eccentric machine, it is important to choose professional equipment, good tools can make you work twice as hard with half the effort.
