What is the cause of the poor precision of machining center

A poor, parts machining accuracy

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usually, feed between shaft power will not adjust according to the error in the process of installation and adjustment, change or each axis machine tool transmission chain ( Such as screw clearance, pitch error change, axial movement, etc. ) 。 ) Due to wear and tear. CNC numerical control lathe manufacturers can be modified by readjusting and backlash compensation amount to solve. When the dynamic tracking error is too large and issue a report to the police, check whether the servo motor speed is too high; Position detection components are in good condition; Position feedback cable connector is well connected; The corresponding analog output latch and gain potentiometer are in good condition; The corresponding servo drive is normal.

second, machine overshoot when motion, machining accuracy is bad. May be the acceleration and deceleration time is too short, may be extended appropriately variable time; Servo motor and the connection between the screw may loose or poor rigidity, it can be properly reduced gain of locating ring.

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2, biaxial linkage roundness is beyond the scope of tolerance

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1. Round the axial deformation: the deformation may be caused by improper mechanical adjustment. Axis positioning precision of the poor or screw clearance compensation can lead to improper roundness error occurred while by quadrant.

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2。 Inclined elliptic error ( 45 degrees of the direction of the ellipse) : at this point, check each axis location deviation. If the deviation is too big, can adjust the position loop gain to eliminate it. Then the inspection of the rotating drive or inductosyn interface board is adjusted correctly, check whether vice mechanical transmission clearance is too large, backlash compensation if appropriate.

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milling machine move completed by rotating tool along the workpiece axis metal forming. Obviously, milling machine plays an important role in mechanical processing. Although milling machine is mainly used for machining plane and square surface, but also for many other purposes. Skilled technicians can use milling machine to cut Angle, Angle and hole, also can use milling machine some auxiliary equipment for processing of arc, half arc and helical surface ( Use the spiral cutting tools - Is more than double helix or spiral cutter) 。 Some special cutting tools can also be used for milling machine processing, dovetail slot and T slot of the gear. More importantly, when the shape of the workpieces on the milling machine, can be completely manual, without computer numerical control processing.

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now, if the CNC numerical control lathe manufacturer with computer control to drive the milling machine spindle, so will a greater range of the workpieces. Using computer-aided design/computer-aided manufacturing generator to control milling machine, can work out almost any shape of the workpiece. As long as can be displayed on the computer screen and workpiece shape basically can use milling.

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cnc service mill axis, as the name suggests, find extensive use in multi axis cnc machine institutions. Since mill axis has become much dependent on technology in today's world, there is wide use of such cnc service.

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