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What is the belt grinding
What is the belt grinding
Abrasive belt grinding is by the abrasive belt, in accordance with the requirements of the workpiece, in the mechanical device, with the corresponding contact way and under a certain pressure, high-speed operation of a belt and workpiece surface contact with friction, will be on the surface of the workpiece processing margin was gradually worn out or polished smooth process. In the relative motion of the workpiece surface, the abrasive grains and the surface of the workpiece have a certain interference. According to the degree of interference, can be divided into three different processes.
(1) sliding friction in this came into contact with the workpiece, intervention has seldom, grinding grains, only the friction surface of the workpiece, "slip rub, then grinding grain on the workpiece sliding friction actually produced the removal of material of the elastic and plastic deformation.
(2) the plough along with the development of machine tool feed, cutting thickness increases interference increases the, then abrasive plough on the surface of the workpiece in a "groove", called "the plough". At this point, the workpiece material produces plastic flow, the material produces an extrusion type of movement, and from the abrasive grain under the direction of the front and both sides of the extrusion, while cutting a small amount of material.
(3) cutting under certain pressure, when have enough interference and with a certain cutting temperature, the real "cutting". At this time in the sliding grinding particle in front of the crack and the formation of chip and is quite fast resection rate. Belt of numerous abrasive, at the moment of contact with the workpiece, part of the abrasive cutting, another part of the plow groove and some only slide and rubbing functions, even with a single grinding particle in different parts of the same parts in different processing time is also different. In addition, the rotary motion of the belt and wipe chip, will advance the grinding particle in front of the chip clean.
Abrasive belt grinding is by the abrasive belt, in accordance with the requirements of the workpiece, in the mechanical device, with the corresponding contact way and under a certain pressure, high-speed operation of a belt and workpiece surface contact with friction, will be on the surface of the workpiece processing margin was gradually worn out or polished smooth process. In the relative motion of the workpiece surface, the abrasive grains and the surface of the workpiece have a certain interference. According to the degree of interference, can be divided into three different processes.
(1) sliding friction in this came into contact with the workpiece, intervention has seldom, grinding grains, only the friction surface of the workpiece, "slip rub, then grinding grain on the workpiece sliding friction actually produced the removal of material of the elastic and plastic deformation.
(2) the plough along with the development of machine tool feed, cutting thickness increases interference increases the, then abrasive plough on the surface of the workpiece in a "groove", called "the plough". At this point, the workpiece material produces plastic flow, the material produces an extrusion type of movement, and from the abrasive grain under the direction of the front and both sides of the extrusion, while cutting a small amount of material.
(3) cutting under certain pressure, when have enough interference and with a certain cutting temperature, the real "cutting". At this time in the sliding grinding particle in front of the crack and the formation of chip and is quite fast resection rate. Belt of numerous abrasive, at the moment of contact with the workpiece, part of the abrasive cutting, another part of the plow groove and some only slide and rubbing functions, even with a single grinding particle in different parts of the same parts in different processing time is also different. In addition, the rotary motion of the belt and wipe chip, will advance the grinding particle in front of the chip clean.
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