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The importance of selection and coordination between grinding machine, abrasive and workpiece

Shanghai Imprint Technology Co.,Ltd | Updated: May 09, 2018

The importance of selection and coordination between grinding machine, abrasive and workpiece.

Customers often encounter problems in the process of grinding, such as the product being blackened, not bright, or being beaten, etc. The grinding process is analyzed and found that most of them are caused by the wrong choice of grinding materials or grinding machines.

For example, one of the customers who made the hardware of box and bag, his products were all zinc alloy die castings, he used brown corundum grinding stone to grind, the result is more and more black; There is also a stainless steel circular gasket, using vibration grinding machine to come and go, in the grinding process, there are a lot of gaskets overlapping, not high quality rate and so on. These problems are closely related to their failure to deal with three important grinding elements. Since it is so important, what are the three elements of grinding? This is the grinding machine, the grinding materials and the workpiece. Only the three elements are well matched, so that the results can be achieved with half the effort. The following three elements are analyzed in a simple way:

1. Grinding machine.

In surface treatment, the commonly used mechanical vibration grinding machine, the magnetic force grinding machine, roller grinding machine, centrifugal grinding machine, eddy current type of finishing machine, and with vibration grinding machine and the most widely used grinding drum machine. The vibration grinding machine is easy to operate and is used in small, medium and large batch processing of various parts. Roller grinding machine is a kind of economical grinding polishing machine, grinding media parts when working with the rotation of the level in the closed barrel, slower, often used in various parts of the small size, thin, especially those large plane parts, using vibration grinding machining easily overlap, more suitable for the roll grinding machine barrel; Centrifugal grinding machine is actual high-speed rotary finishing machine, it is generally driven by the market four (also have two minicomputer) high-speed centrifugal polishing barrels, friction, good polishing effect, often used in vibrating finishing machine, drum of finishing machine is not easy to processing of small parts; The eddy current machine is also a high speed polishing machine, which is rotated by the chassis to form a powerful overcurrent friction motion, which is used for small parts to be used for batch, deburring and polishing. The latest research and development of magnetic abrasive machine is simple and easy to operate. It saves time and manpower, especially for small spare parts to be used for batch, deburring and polishing design.

2. Customer artifacts.

Different materials of parts, different specifications of parts, different requirements of parts, also required to match different machines and grinding media. For example, zinc alloy parts that are cast out need to be oxidized, and resin abrasive stones should be used. And the stamped stainless steel parts need to be sent to the front and the burr, then the brown corundum grinding stone with the cutting force should be used...

Grinding materials.

Abrasive materials including grinding stone, polished stone, abrasives, luster agent, cleaning agent, such as grinding and polishing materials, each material has its own application scope, such as plastic grinding stone used for material with a softer material, such as aluminum, zinc, copper, plastic, etc.; Ceramic grinders are used for hard materials such as iron, stainless steel, white iron, steel, etc. Polishing material for iron parts, need to use iron luster agent, polishing material for copper parts, need to use copper luster agent, used in all kinds of hand tools cutting agent wrench, socket, batch of nozzle to the black film, to scale, if used with other parts, will likely corrosion and damage parts, and so on. To sum up the above cases, customers can effectively match the performance and characteristics of the three elements, so as to achieve the efficiency of the grinding process.


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