On-line monitor control system carrying out ultra-lapping machine with communication technique
A monitoring control and super-finishing technology, applied in super-finishing machine, workpiece feed motion control, grinding machine parts and other directions, can solve the problems of difficult to determine signal, oil stone fracture, equipment efficiency oil stone loss and fracture, etc. Achieve the effect of improving scientificity and ensuring stability
Inactive Publication Date: 2009-05-06
LUOYANG BEARING SCI & TECH CO LTD
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Problems solved by technology
[0003] In order to solve the problem that the signal of the end of the empty stroke is difficult to be determined, which is still unsolved in the industry, the problem of the equipment efficiency of the superfinishing machine for the raceway / raceway of the bearing ring and the wear and tear of the oilstone when the empty stroke enters the coarse overstepping step is taken into account. , and to avoid the problem that some machine tools in the prior art directly enter the rough overworking step, press the whetstone with rough overpressure, cause the whetstone to break, and the problem of channel damage caused by the impact between the whetstone and the workpiece, the present invention proposes a method using communication The technology realizes the online monitoring and control system of the superfinishing machine, which can realize the real-time switching of the superfinishing oilstone on the bearing ring channel / raceway superfinishing machine at the end of the empty stroke in the automatic pressurization process, and converts it into a rough superfinishing step. Its efficiency is high, and the switchover of the rough overstep due to the end of the idle stroke is performed in real time, avoiding the breakage of the oil stone, and thereby avoiding the problem of damage to the bearing groove caused by the impact of the oil stone and the workpiece
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[0019] The present invention proposes an on-line monitoring and control system for a superfinishing machine using communication technology. The system can realize the conversion of the superfine whetstone on the bearing ring channel / raceway superfinishing machine at the end of the empty stroke in the automatic pressurization process to The real-time switching of coarse and super working steps can conveniently and quickly realize the working step switching function at the end of the oilstone pressurized empty stroke.
[0020] This scheme uses the method of measuring the change of the workpiece motor current to realize the real-time conversion of the end of the empty stroke. The basic principle is: when the idle stroke ends and the oilstone presses on the surface of the workpiece, the pressure of the oilstone will increase the rotational torque of the workpiece, and then the output current value of the frequency converter 3 that supplies power to the workpiece motor will rise rap...
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The invention relates to the technical field of controlling for the online monitoring of the ultraprecision lapping machine for bearing ring groove / raceway, and provides an online monitoring control system of the ultraprecision lapping machine realized by a communication technology. The invention comprises a programmable controller (1), a communication module (2), a frequency converter (3) driving a workpiece motor and a frequency converter (4) driving a motor for oilstone reciprocal oscillation, wherein, the programmable controller (1) is combined with the communication module (2). Two network wires are led out from the communication module (2), and are respectively connected with the communication interfaces of the frequency converter (3) driving the workpiece motor and that of the frequency converter (4); the command output by the programmable controller (1) controls the on / off, the setting of the running frequency of the two frequency converters, as well as the convenient and quick process step changing when the oilstone pressurization idle stroke is finished through the network wires connected with the communication module (2).
Description
Technical field: [0001] The invention relates to the technical field of control of metal grinding, in particular to the technical field of control of on-line monitoring of bearing ring channel / raceway superfinishing machine. Background technique: [0002] There are a large number of ultra-finishing machine equipment for bearing ring grooves / raceways in the bearing industry. When the workpiece is positioned, the main shaft drives it to rotate. At this time, the ultra-fine oil stone enters the waiting position on the opposite side of the workpiece channel, and the pressurized oil cylinder moves to drive the oil stone to press against the workpiece channel. When the whetstone touches the channel, the working program is transferred to the whetstone oscillation, and the coarse overpressure is entered into the coarse and ultra-finishing step. As the oil stone is continuously consumed during work, the relative distance between the original position of the oil stone and the channel...
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IPC IPC(8): B24B35/00B24B49/10
Inventor李万校王世峰杨守振
OwnerLUOYANG BEARING SCI & TECH CO LTD