Precision tool & Diamond tools and blades

Monocrystalline silicon and polysilicon Silicon belongs to hard and brittle material, mohs hardness is 6.5, can make polycrystalline silicon, monocrystalline silicon according to the use. Monocrystalline silicon (MONocrystalline silicon) is a relatively active nonmetallic element. With a basically complete lattice structure, monocrystalline silicon (MONocrystalline silicon) is a good semiconductor material with a purity of 99.9999%. It is mainly used for manufacturing semiconductor devices and solar cells. Monocrystalline silicon  is usually manufactured by first producing polycrystalline silicon or amorphous silicon and then growing rod-like monocrystalline silicon from the melt by the direct pull or suspension zone fusion method. Polycrystalline silicon  is a form of elemental silicon. When molten elemental silicon solidifies under the condition of supercooling, the silicon atoms are arranged into many crystal nuclei in the form of diamond lattice. For example, these crystal...

In order to improve the heat resistance and mechanical strength of phenolic resin binder in diamond grinding wheels, the modification of phenolic resin was achieved by adding various fillers in the preparation process of  resin grinding wheels . If copper powder is added, the heat resistance of resin can be improved. Adding zinc oxide, chromium oxide and other substances can improve the mechanical strength of the resin. The addition of flake graphite, molybdenum disulfide and other soft materials can improve the grinding performance of resin bonded abrasive tools. However, the most effective way to improve the properties of phenolic resin is to add organic modifiers, which may be because organic substances are more compatible with phenolic resin in terms of structure and surface properties than inorganic substances. Polyimide resin is one of the best heat resistance resin, polyimide resin as binder preparation of  diamond grinding wheel  first appeared in the United State...

1. Select the right  grinding wheel Different grinding wheels should be used for different workpiece materials and different processing requirements. Even if grinding the same workpiece material, the grinding ratio of different brands of grinding wheels may differ by 2~5 times, so the appropriate grinding wheel should be selected. Diamond grinding wheel is the best grinding tool for hard alloy, optical glass, ceramics, gemstones and stone non-metallic materials with high hardness and high brittleness. But because diamond is easy to be carbonized at 700℃~800℃, it is not suitable for grinding steel. CBN slightly inferior to the hardness of diamond, but its thermal stability (which can withstand temperatures up to 1300 ℃ ~ 1400 ℃), it is not like a diamond in the high temperature decomposition, namely, oxidation and graphitization, and the elements of iron group chemical inertness, high thermal conductivity (46 times that of corundum), made of the grinding wheel long life...

1. If the  diamond grinding wheel  is not used immediately, it should be put flat or hung up with the inner hole. Other articles or feet should not be piled on the flat saw blade. ​ 2. When the diamond grinding wheel is no longer sharp and the cutting surface is rough, it must be repolished in a timely manner. Grinding can not change the original Angle, and break the dynamic balance. 3. The inner diameter correction and hole positioning processing of diamond grinding wheel must be carried out by the factory. If the processing is not good, will affect the product use effect, and may occur danger, reaming The upper aperture should not exceed 20mm, so as not to affect the balance of stress. 4. Selection of alloy grinding wheel. 1)  Resin bonded diamond grinding wheel  has a weak binding strength, so its self-sharpening performance is good enough, and it is not easy to block, high grinding efficiency, low grinding force and low grinding temperature. ...