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A rapid measuring gauge and method for measuring space thermal deformation error of boring and milling machine

A thermal deformation error, boring and milling machine technology, applied in the field of measurement, can solve impractical problems and achieve the effect of being convenient for engineering application

Active Publication Date: 2018-11-30
BEIJING MACHINE TOOL RESEARCH INSTITUTE +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, the methods mentioned above are not practical

Method used

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  • A rapid measuring gauge and method for measuring space thermal deformation error of boring and milling machine
  • A rapid measuring gauge and method for measuring space thermal deformation error of boring and milling machine

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Embodiment Construction

[0041] see figure 1 As shown, the rapid measuring gauge for measuring the space thermal deformation error of the boring and milling machine of the present invention consists of a group of pillars with high-precision standard balls 3 fixed on the top (comprising middle and high pillars 1, high pillars 2, standard balls 3, and middle pillars 4 in this embodiment. And middle pillar pillar 6) is installed on the mounting plate 5 and forms.

[0042] The mounting plate 5 covers a plane size of the required measuring space as far as possible, and the measuring space can be pre-divided according to the machining stroke of the boring and milling machine. The shape of the mounting plate 5 is preferably square.

[0043] In the set of pillars, the heights of the pillars are different from each other. When working, at least five pillars should be selected to be respectively fixed on the four corners of the mounting plate plane and the central areas of the four corners, so as to effectivel...

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Abstract

The invention discloses a rapid measuring gauge and method for measuring space thermal deformation errors of a boring and milling machine. The rapid measuring gauge comprises a mounting plate, one group of supports with different heights and a measuring head, wherein the standard ball is fixed at the top of each support; in a working process, the five supports are selected and fixed at four corners of a plane of the mounting plate respectively and a central region of a rectangular plane formed by the four corners; the support with the middle height in the five supports is fixed at the central position; the measuring head is used for measuring the position of each standard ball; the mounting plate is fixed on a working tabletop of a machine tool; the measuring head is fixed on a main shaft of the machine tool, and the measuring head and the main shaft can move along a movement shaft of the machine tool. Before movement and after stopping, the measuring head can rapidly get close to the measuring gauge and measurement is rapidly finished, so that error data in three directions of a space is obtained. The relative errors of each point of the front and back positions of five support points are measured so that the space thermal deformation errors of the boring and milling machine are obtained.

Description

technical field [0001] The invention belongs to the technical field of measurement, and in particular relates to a quick measuring gauge and a method thereof for measuring space thermal deformation errors of a boring and milling machine. Background technique [0002] Generation of thermal error in machine tool space: The basic principle of machine tool cutting workpiece is that the tool installed on the spindle needs to contact the workpiece installed on the worktable, and the cutting of the workpiece is completed through the rotation of the tool on the spindle and the feed of the linear axis. Therefore, ideally, we hope that the position of the tool on the spindle and the workpiece installed on the workbench that need to be processed are consistent, and there is no error, so that the processing accuracy can be very high. [0003] However, during the movement of the workpiece machine tool, no matter whether the screw drive or the linear motor is used, the transmission parts ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q17/22
CPCB23Q17/2208
Inventor 常文芬戴玉红索奇任海涛樊立新姜振王雪梅
Owner BEIJING MACHINE TOOL RESEARCH INSTITUTE
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