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Measuring device and measuring method for flatness of tabletop of platform

A measuring device, flatness technology, applied in the direction of measuring devices, instruments, etc., can solve the problems of error-prone, cumbersome and so on

Inactive Publication Date: 2012-10-03
HANS LASER TECH IND GRP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This operation step is to manually fix the meter head, move the platform, and record point-by-point readings, which is quite cumbersome and error-prone

Method used

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  • Measuring device and measuring method for flatness of tabletop of platform
  • Measuring device and measuring method for flatness of tabletop of platform
  • Measuring device and measuring method for flatness of tabletop of platform

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Embodiment Construction

[0029] In order to further illustrate the principle and structure of the present invention, preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0030] Such as figure 2 As shown, the embodiment of the present invention proposes a flatness measuring device for a platform table, which includes an X Y two-dimensional motion platform system 4, a Z-axis motion system 1 and a Z-axis processing head 2, and a set of measurement devices is arranged on the Z-axis processing head 2. Head 3, the measuring head 3 includes a measuring rod 31, a fixed seat 32 and an inductor 33, the inductor 33 is fixed on the fixed seat 32, the measuring rod 31 is arranged in the fixed seat 32 and can move up and down freely. During the operation, the fixed seat 32 of the measuring head 3 is connected with the Z-axis processing head 2. When the measuring head 3 moves downward, after the measuring rod touches the platform table, the se...

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Abstract

The invention provides a measuring device and a measuring method for flatness of a tabletop of a platform. The measuring device comprises an X-Y two-dimensional motion platform system, a Z-axis motion system and a Z-axis processing head, a measuring head is arranged on the Z-axis processing head and consists of a measuring rod, a fixing seat and a sensor, the sensor is fixed onto the fixing seat, and the measuring rod is arranged in the fixing seat and can vertically move. The measuring method mainly includes that the Z-axis motion system drives the measuring head to move downwards; the measuring rod moves relative to the sensor after contacting with a certain measuring point of the tabletop of the platform; the sensor is finally triggered; a current position signal of a Z-axis servo motor encoder is read by a control system; the same procedure is repeated; position signals of multiple points are recorded; accordingly, height differences of the points of the tabletop can be computed; and the flatness is finally computed. The measuring device is simple and is low in cost, and the method is fast and is operated easily.

Description

【Technical field】 [0001] The invention relates to the field of flatness measurement, in particular to a flatness measurement device and a measurement method for a machine tool platform table top. 【Background technique】 [0002] In the PCB industry, laser drilling machines use lasers to drill holes in circuit boards. The basic mechanical structure is a platform capable of XY two-dimensional movement and a processing head that moves along the Z axis. The PCB workpiece is adsorbed on the platform. Drill holes of different positions and sizes through the movement of the platform and processing head. [0003] The platform table is installed on the XY two-dimensional motion component, and the dial indicator is fixed on the base. The platform table moves along the XY direction, so that the dial indicator head can measure the height change value of each point on the entire table. See figure 1 . At the position where this value changes greatly, the laser beam emitted by the Z-axis ...

Claims

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Application Information

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IPC IPC(8): G01B21/30
Inventor 穆永俊高云峰
Owner HANS LASER TECH IND GRP CO LTD
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