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Grinding wheel cover
Business scope: production of sewing machines, peripheral machines, computer peripherals, power tools, automobiles, transactional punching machines and other components and precision stamping components professional manufacturing and mold research and development.
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Electric tool class
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Product Description
Basic knowledge of grinding wheel
1.
The so-called grinding wheel is made of sand wheels.
how the grinding wheel is made,What is it bonded with? This bonding material is calledBinding agent. In the process of bonding sand grains (abrasive grains) with a bonding agent, the whole space of the sand grains is not filled, but a certain gap is left.Gap plays a heat dissipation,The role of holding debris,
Therefore,This gap will enter a certain amount of air and coolant,There are certain benefits to grinding.
So, abrasive, gap, bond constitute the three elements of the grinding wheel.
2
The sand grains in the grinding wheel are disorganized and uneven, which can be regarded as thousands of sharp knives. After dressing the grinding wheel, each sand grain may produce severalThe cutting edge also participates in grinding, which is called the micro-edge nature of the grinding wheel.
In grinding, the cutting edge is constantly changing, and the blunt grinding wheel continues to grind. For some reason, the grinding force continues to increase. When grindingWhen the force exceeds the bonding force of the bonding agent, the abrasive grains will automatically fall off, which is called the "self-detachment" of the grinding wheel". Although new abrasive particles are produced, they are more important than trimming.After the grinding force is much worse.If the grinding continues, it will be passivated again,The ideal size and roughness of the ground workpiece cannot be obtained,
And the heat of grinding increases,In this case, the grinding wheel must be dressed immediately.
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