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High-precision large-stroke triaxial fast cutter servo device

A technology of servo device and large stroke, which is applied in the field of tool servo device, can solve the problems of small stroke and difficulty in meeting the requirements of free-form surface processing, and achieve the effect of suppressing lateral movement

Active Publication Date: 2012-02-22
苏州市利恒精工机械有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main problem of the existing multi-axis FTS is: the stroke is small, and it is difficult to meet the large "non-rotational symmetry" free-form surface processing creation requirements

Method used

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  • High-precision large-stroke triaxial fast cutter servo device
  • High-precision large-stroke triaxial fast cutter servo device
  • High-precision large-stroke triaxial fast cutter servo device

Examples

Experimental program
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Effect test

Embodiment Construction

[0017] Right baffle 1, front baffle 2, rear baffle 5, left baffle 6 lower sides are respectively fixedly connected with base 7, the top is fixedly connected with upper cover 4 respectively, the bottom of hinge bracket 8 is fixed on base 7, and the upper part is for moving part, the middle is four connecting rods with hinges, the stator of the X-direction voice coil motor 13 is fixed on the right baffle 1, the mover is fixed on the upper right side of the hinge bracket 8, and the stator of the Z-direction voice coil motor 15 is fixed On the rear baffle 5, the mover is fixed on the rear upper part of the hinge bracket 8; the piezoelectric stack seat 9 is fixed on the middle position of the front upper part of the hinge bracket 8, and the piezoelectric stack actuator 11 is in the middle groove. The wedge block 10 is adjusted by the pre-tightening screw 14 to realize the pre-tightening of the piezoelectric stack. The movable end of the piezoelectric stack actuator 11 is in contact ...

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Abstract

The invention discloses a high-precision large-stroke triaxial fast cutter servo device, which belongs to the technical fields of ultra-precision processing, optical component processing and the like, and is suitable for turning and generating a free-form surface diamond with larger non-rotational symmetry. The device is provided with two voice coil motors respectively driving a flexible hinge mechanism so as to make a diamond cutter quickly reciprocate respectively in an X direction and a Z direction, and a fine adjustment mechanism is driven by a piezoelectric stack actuator so as to eliminate additional motion in a Y direction; and two linear gratings are used for respectively detecting the displacements of the diamond cutter in the X direction and the Y direction, and a capacitance sensor is used for detecting the additional displacement in the Y direction. The invention has the advantage of realizing high-precision large-stroke fast reciprocating motion simultaneously in the X direction and the Z direction.

Description

technical field [0001] The invention belongs to the technical field of ultra-precision cutting and optical part cutting, and relates to a tool servo device for free-form diamond turning. Background technique [0002] There can be no geometric constraints between the various value points of the free-form surface, which provides a lot of free design space for optical designers, which means that the optical system based on the free-form surface optical parts can have more excellent optical performance. Such as correcting aberrations, improving image quality, expanding the field of view, increasing the working distance, etc., and one or a few free-form surface optical parts can replace more spherical and aspheric optical parts, thus simplifying the structure of the optical system , lightweight. [0003] Due to the unparalleled performance of free-form optical components, free-form optical components are in increasing demand in many important industrial fields. Diamond turning ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q5/22B23Q17/00B23Q17/22B23Q17/24
Inventor 周晓勤刘强段宁华
Owner 苏州市利恒精工机械有限责任公司
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