What issues should operators pay attention to when using a surface grinder

When it comes to surface grinding machines, people think they are the kind of machines that grind flat. The development trend of surface grinding machines in the world has changed nowadays. The current development trend of surface grinding machines is shifting towards forming, stepping, cutting, rapid shaking, and three-dimensional curved surface grinding. It can be said that flat grinding is a type of grinding machine with great potential for evolution.

Different surface grinding machine products and equipment will encounter many problems during continuous use. Therefore, with the solution of these problems, the products are constantly upgraded and renovated. In the processing of large parts in China, surface grinding is the most promising type of grinding machine tool in terms of evolution potential. In order to ensure that the surface grinder can better complete its work during normal operation, there are many issues that operators need to pay attention to when using the surface grinder.

1. Elastic gasket clamping method

When grinding the above-mentioned thin sheet workpieces on a surface grinder, an elastic clamping mechanism is used to achieve positioning and clamping of the thin sheet workpieces in a free state. Place a layer of 0.5mm thick rubber between the workpiece and the magnetic worktable. When the workpiece is subjected to magnetic attraction, the rubber is compressed and its elastic deformation decreases, allowing for the grinding of a flat surface of the workpiece. Repeatedly grinding several times can meet the machining accuracy requirements.

2. Strengthening the rigidity of thin sheet workpieces with temporary measures

Using epoxy resin bonding agent, the thin sheet workpiece is bonded to a flat plate in a free state. Place the tablet and sheet together on the magnetic suction cup. After grinding the flat surface of one end of the thin sheet, remove the thin sheet workpiece from the flat plate, place the ground surface on the magnetic suction cup, and then grind the flat surface of the other end of the thin sheet workpiece. Due to the fluidity of epoxy resin before hardening, it can fill the gap between thin sheet workpieces and flat plates. After the epoxy resin hardens, the workpiece is bonded to the flat plate as a whole, greatly enhancing the rigidity of the workpiece. Under magnetic attraction, thin sheet workpieces will not undergo clamping deformation, creating conditions for grinding flat surfaces. Thick grease can also be used instead of epoxy resin to fill the gap between the thin sheet workpiece and the magnetic suction cup, enhancing the rigidity of the workpiece and achieving good results.

3. Vacuum clamping method

Using atmospheric pressure to clamp thin sheet workpieces for grinding processing. Its working principle is: the clamp is equipped with a rubber sealing ring, and the thin sheet workpiece is placed on the rubber sealing ring, thereby forming a sealed cavity between the workpiece and the clamp. Use a vacuum pump to extract indoor air from the suction port, and the workpiece is clamped. Due to the low clamping force, the circular grinding method can be used for grinding processing. After grinding the flat surface of one end of the thin sheet workpiece, the above method can be used to grind the flat surface of the other end of the thin sheet workpiece, and satisfactory results can also be obtained.

In many industrial productions, there are safety hazards that require us to pay attention to safety during work. When using surface grinder equipment, due to the wide range of grinding techniques, correct operation of Dongguan grinder is often the only prerequisite for ensuring safety.