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Introduction to the structure of the honing machine
Honing machine is a grinding machine for precision machining of the surface of the workpiece. Its main principle is to use the oilstone on the circumference of the honing head on the honing machine to radially swell the oilstone through the swell-opening mechanism, so that it is pressed against the hole wall of the workpiece to produce contact, while the honing head rotates and reciprocates, and the parts do not move. Or the honing head only rotates and the workpiece reciprocates to realize honing.
Honing machine is a grinding machine for precision machining of the surface of the workpiece. Its main principle is to use the oilstone on the circumference of the honing head on the honing machine to radially swell the oilstone through the swell-opening mechanism, so that it is pressed against the hole wall of the workpiece to produce contact, while the honing head rotates and reciprocates, and the parts do not move. Or the honing head only rotates and the workpiece reciprocates to realize honing.
Honing head feed mode is mainly divided into quantitative feed and constant pressure feed. When the quantitative feed honing, the feed mechanism expands the feed at a constant speed, so that the abrasive particles are forced to cut into the workpiece. When the cutting force of the oil stone is blocked, the feed is greater than the actual grinding amount, and the honing pressure increases at this time, so that the abrasive particles fall off and break. Enhanced cutting effect. In the process of constant pressure feed, due to the uneven surface of the workpiece, it is necessary to adjust the feed of the honing head in real time to ensure that the workpiece bears a constant grinding force.
composition of honing machine:
1. 1. kneading honing machine is used to fix the parts and fixtures in the regular orientation and apply kneading force to the grinding abrasive. The kneading honing machine has two opposite abrasive cylinders. When closed, the parts or clamps are clamped, and the abrasive is squeezed from one cylinder to the other. The restricted part of the parts will have a grinding effect. The parts are polished and rounded by pre-adjusted stroke orientation and preset honing times. The Potzmai abrasive flow machine has the advantages of simple operation, convenient adjustment and complete functions.
2. grinding abrasive
It is used to transmit the extrusion force generated by the machine tool to the surface of the parts that need to be ground, polished and deburred, and the parts are ground and polished through abrasive movement. Abrasive abrasive targets include abrasive viscosity, abrasive species, and particle size. Grinding abrasive according to the viscosity can be divided into d, dz, zg, g different viscosity of the abrasive. Due to the different viscosity of the onset of abrasive flow patterns, can be divided into light type, inverted round angle type, light type abrasive.
3. fixture
It is used to fix the workpiece in the position prescribed by law and guide the abrasive to flow on the designated channel, so as to carry out surface chemical polishing or inverted corner for enterprise work. Fixture in small batch production is usually relatively simple, in mass production should be planned to clamp several workpiece fixture. Fixture information: it is made of alloy aluminum, cold rail steel and non-metallic nylon.
4. workpiece cleaning
Because the abrasive itself has a strong cohesion, objectively it has the performance of non-stick metal. The abrasives of 98 can be easily peeled off by hand. These stripped abrasives can be put away for reuse, and the remaining abrasives on the workpiece can be removed by ultrasonic vibration, compressed air blowing and gasoline cleaning.
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2023-08-10
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