Centerless grinding machine precision monitoring apparatus
A monitoring device and centerless grinding machine technology, applied in the direction of grinding machine parts, workpiece feed movement control, grinding/polishing equipment, etc., can solve the differences, the grinding accuracy cannot be accurately controlled, and the qualified rate of processed products has decreased, etc. problem, to achieve accurate positioning, stable and reliable monitoring data, and low cost
Inactive Publication Date: 2004-11-24
ZHUZHOU HARD ALLOY GRP CO LTD
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Problems solved by technology
However, when the grinding debris enters the guide rail of the feed mechanism or other reasons cause wear, or the vibration of the guide wheel frame, there will be a difference between the indicated value of the feed amount of the dial of the mechanical feed mechanism and the actual grinding processing amount, thereby reducing the grinding accuracy. Can not be accurately controlled, the qualified rate of processed products will drop
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[0009] The present invention will be further described below in conjunction with the accompanying drawings.
[0010] The precision monitoring device of centerless grinder MT1040A includes two parts: signal acquisition and processing, and result display. The signal acquisition and processing part is composed of a contact linear displacement sensor 1 , a mounting fixture 15 , an indexing plate 2 and an inverted L-shaped bracket 3 . The sensor 1 passes through the horizontal through hole of the installation fixture 15 and is clamped and fixed. The vertical shaft 17 at the bottom of the installation fixture 15 is installed in the center hole of the indexing plate 2. After the rotation angles of the wheel frame 19 are completely consistent, the mounting fixture 16 is fastened in the central hole of the indexing plate 2 with the set screw 16 . The indexing plate 2 is installed in the two parallel grooves 5 of the horizontal part of the inverted L-shaped bracket 3 through four screw...
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The present invention discloses a kind of grinder monitor set that comprises sampling, processing signal and the result displaying. Sampling and processing system comprises the tangent linear displacement sensor, the installation clamp, the diagraph and the inverse L bracket. The sensor is fixed at the diagraph center hole through the installation clamp, and can turn along with the installation clamp in the level. The diagraph is installed in the two parallel slots of the inverse L bracket, and can move horizontally. The inverse L bracket is fixed at the set end surface on the same side as the feed structure. The interface of the sensor contacts with the end surface of the track foreover. The sensor comprises the raster ruler, the differential amplifying circuit, the plastic circuit and the time frequency circuit.
Description
technical field [0001] The invention relates to the regulation and control of grinding processing precision, in particular to the precision monitoring of a centerless grinding machine. Background technique [0002] The existing centerless grinding machines such as MT1040, MT1020, etc., under normal working conditions (no vibration, wear, etc.), the machining accuracy is 0.002mm, and the guide wheel has a rotation angle of -1 to 3°C in the horizontal plane, so the grinding wheel is not trimmed Or the guide wheel can grind workpieces with a certain taper range. However, when the grinding debris enters the guide rail of the feed mechanism or other reasons cause wear, or the vibration of the guide wheel frame, there will be a difference between the indicated value of the feed amount of the dial of the mechanical feed mechanism and the actual grinding processing amount, thereby reducing the grinding accuracy. If it cannot be controlled accurately, the qualified rate of processed...
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IPC IPC(8): B24B49/10
Inventor 江山陈光明
Owner ZHUZHOU HARD ALLOY GRP CO LTD