Grinding Wheel In Glass Polishing

  Grinding is an important aspect, far from the fifties and sixties of optical glass processing is mainly carried out using grinding production on a large number, nearly a decade due to the development of building materials industry and light industry, rounded glass processing, chamfering hypotenuse processing (mainly for mirror industry, the country has hundreds of plant system and several diamond grinder to grind glass edges hundreds) also spent a lot of diamond grinding wheel for processing. another special grinding to EDM and abrasive composite processing, such as one of the products recently introduced machine tool plant is hole grinder to make copper electrode grinding of various hardness of metal holes.

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ANCA gives: 7 Hot tips to acclerate your carbide tool production

Tip 1: The wheel is the world’s greatest invention, make it work overtime for you
Tip 2: Get your coolant clean and mean
Tip 3: Give your tools the support they need
Tip 4: Invest minutes in optimization to save hours in production
Tip 5: Deploy your anchor to avoid drift
Tip 6: Turn off the lights to save the planet
Tip 7: Rinse and repeat
Ceramic diamond grinding wheel, resin diamond grinding wheel, diamond grinding wheel metal | Juchuang Abrasive Co.,Ltd.

Various problems should be noted during replacement of grinding wheel

Wearing problems:
Any Grinding wheel has its requirements for the use of certain wear, wear reaches a certain level must be re-replacement of the grinding wheel. Not in order to save material, it requires the use of ultra-wear, which is a very unsafe violations. A general rule, when the wheel wear to diameter ratio of diameter 10mm chuck should be replaced with a new wheel.

Validity of the problem:
The new wheel from the Treasury brought out is not necessarily qualified wheel, new wheel even buy from the manufacturers are not necessarily qualified wheel. Any wheel has its certain expiration date, under the terms of use, which is qualified grindstone; use over the period, it is not necessarily qualified wheel. Rules of "the use of the wheel should be within the validity period, resin and rubber bonded grinding wheel storage must be approved by turning test, those who pass before after one year."

Texture problem:
During use, if you find a local wheel cracks, stop using it immediately, replace the new wheel, wheel to avoid crushing injury accident.

 About the choice of diamond wheel diamond size, concentration, etc.
A diamond grinding wheel series: synthetic diamond, also known as "industrial diamonds", which, natural diamond, as it is known today is the hardest substance in nature. Because of its extreme hardness, compressive strength and wear resistance, acid and alkali as well as good thermal conductivity and semiconductor properties, so that it is made of a variety of tools products can be widely used in metallurgy, machinery, geology, petroleum , electronics, optics, construction, stone and other fields. Synthetic diamond grinding wheel is the main raw material of synthetic diamond powder with other metals at high temperatures, high pressure forming an artificial diamond products, and can be widely used in cemented carbide, ferrous metals and non-metallic grinding.
Two synthetic diamond grit size selected to represent the thickness of grit. Thickness directly affects the size of the surface roughness, and abrasive grinding efficiency loss. Choose granularity principle is to meet the requirements of the workpiece under conditions Use as large size, this can improve the grinding efficiency and reduce the loss of abrasive, diamond grinding step size it normally selected coarse particle size of grinding 30 # -120 # 120 # -240 # fine grinding mill 240 # -W40 grinding, polishing W40-W1
Three binders selected synthetic diamond grinding wheel according to different binding agents are generally divided into resin wheel, metal grinding wheel, electroplated grinding wheel and pottery wheel. Different binding agents have different properties, depending on the object to be processed to be required to choose the appropriate binder. No. The main purpose of binding agent on behalf of the resin binder B for carbide, glass, ceramics, stone and gem cutting, grinding. Metal binding agent M for carbide, glass, ceramics, stone, and other precious stones burden Heqie cutting, grinding, good wear resistance. Vitrified V for a variety of steel and cast iron dry and wet grinding, grinding is more suitable for the long axis and silk Hin. Plating binding agent D for a variety of special type of material surface grinding holes and valuable material cutting stock. Four selected concentration refers to the concentration of synthetic diamond content in the abrasive layer. ① resin bonded grinding wheel generally use 50% to 100% concentration; most of them with 75% finish high requirements can be less than 75%, profile grinding wheel and requires a long life, it can be 100% or more . ② metal bonded products generally used in concentrations of 25% to 150%; wherein the cutting blade coarse-grained, generally more concentration at the end, that is 25-50% fine-grained high; and other metal-bonded grinding wheels generally require concentration 50% to 100% concentration to. Overall, with a higher concentration of coarse grinding, semi-fine grinding with a medium concentration,

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Grinding Wheel - Abrasive and size

(1) Abrasive
   The abrasive is the most important indicator wheel, grinding wheel thing is to rely on it, it does not mean there is no wheel this product. Abrasive selection requirements are more stringent, the grinding wheel and the workpiece when the friction is ultra-high temperature, high-temperature abrasive can not stand it, will soon melt away, so it is necessary to heat up; a lot of products are grinding metal and the like, and some are very hard, and abrasive hardness is not high, is the anti-grinding wheel hardness is relatively high; the time between the grinding wheel and workpiece are not instantaneous take some time, so it requires it has a strong toughness down. From the above several characteristics may probably know what will be the choice of the abrasive: diamond, corundum class, silicon nitride, etc., these are the world's most hard materials several, they have a strong wear resistance, high temperature resistance, toughness and appropriate. After different binding agents and manufacturing technology to produce a wide variety of wheel.

(2) particle size
  Abrasive particle sizes called granularity. Particle size into coarse-grained and fine-grained, grain size classification commonly used screening method, for example, the particles can pass through the sieve apertures 60 petit particles, that is fine-grained, can pass through the apertures 40 mesh, called large particles, that is, the coarse-grained. Sometimes sub-medium-grained, and some called powder. Wheel size to produce surface finish and processing efficiency of grinding workpiece significant impact, abrasive coarse grinding capacity, grinding efficiency is high, but the surface is rough, not so smooth; abrasive fine grinding is more uniform, the surface is relatively smooth processing ,, but cutting the amount is not so big, so relatively low grinding efficiency. It can be considered from the workpiece surface finish and grinding work efficiency of their choice.