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2023

What stages does the fully automatic honing machine go through when operating?

The utility model is simple to operate, and has good dimensional stability because the honing tool does not contact the workpiece and does not participate in grinding. Using 4-6 groups of honing tool combination, cutting edge, processing efficiency is higher than a single honing tool. In the reciprocating movement, adjust the dial indicator to the back of the calibration sleeve for calibration, and then adjust the screw is composed of the screw at the front of the machine tool, the same method. This repeated adjustment before and after the beat, until using a dial indicator blow correction to set the beat are included. Grind the grinding rod with a full set of grinding paste until the grinding rod forms a radian, then correct the grinding rod twice with a correction sleeve, and then carry out honing after the workpiece passes.
When used, it can be divided into the following stages:
In the crushing and cutting stage of the honing tube, the honing makes the surface of the hole more and more smooth, the contact area with the sharpening stone becomes larger and larger, the contact pressure per unit area decreases, and the cutting efficiency decreases. At the same time, the cut chips are small and thin, and the adhesive wear on these chips is also small. Therefore, the abrasive grains fall off less, and the grinding is not by new abrasive grains, but by the top of the abrasive grains. Therefore, the top load of the abrasive grains is large, and the abrasive grains are easily broken and crushed to form a new cutting edge.
In the shedding cutting stage, this kind of constant pressure honing, at the beginning, due to the roughness of the hole wall, the contact area between the oilstone and the hole wall is small, the contact pressure is large, and the protruding part of the hole wall is quickly worn away. However, due to the high contact pressure on the oilstone surface, the chip wear on the oilstone binder, and the bond strength between the abrasive particles and the binder is reduced. Therefore, under the action of cutting pressure, some abrasive particles fall off on their own, and new abrasive particles are exposed on the oilstone surface. This is the self-sharpening of the oilstone.
During the cutting stage of blockage, the contact building area between the oilstone and the hole surface is required to be larger and larger when honing continues. Fine chips accumulate between the oilstone and the hole wall, which is not easy to be eliminated, causing oilstone blockage and becoming smoother. Therefore, the cutting technology of oilstone is low, which is equivalent to polishing. If honing continues, the problem of oilstone blockage is serious and the adhesive blockage is generated, the oilstone * loses the actual cutting ability and generates serious heat, and the accuracy and surface roughness of the hole will be affected. Honing should be completed as soon as possible.

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What stages does the fully automatic honing machine go through when operating?

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