Boring, milling machine primed by straight-line driven portal shaped in zero phase on beam of magnetic suspension

A technology of linear drive and control method, applied in the field of numerical control, can solve problems such as inability to guarantee synchronization performance, equipment damage, etc.

Inactive Publication Date: 2007-02-21
SHENYANG POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the two servo motor drive systems adopt a parallel structure and implement independent control, the synchronization performance cannot be guaranteed, and even the equipment will be damaged due to the mechanical coupling between the two columns of the gantry frame.

Method used

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  • Boring, milling machine primed by straight-line driven portal shaped in zero phase on beam of magnetic suspension
  • Boring, milling machine primed by straight-line driven portal shaped in zero phase on beam of magnetic suspension
  • Boring, milling machine primed by straight-line driven portal shaped in zero phase on beam of magnetic suspension

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Embodiment Construction

[0112] A preferred embodiment of the present invention see figure 1 , Figure 11 and Figure 12.

[0113] Such as figure 1 As shown, the gantry mobile processing machine driven by the magnetic levitation beam linear motor part includes a servo unit (including servo motor and sensor, servo driver), box-type beam, X-direction linear motor, guide unit (including motor, sensor and driver), beam suspension Air gap, integrated bed, worktable, main suspension electromagnet, compensation electromagnet, spindle unit (spindle drive motor and sensor, spindle driver) and tool, the main suspension electromagnet coil is connected with the inner extension of the end of the beam, and the armature On the bed, there are two rows on the left and right, which act as a suspension beam. The connection between the compensation electromagnet and the main suspension electromagnet is similar, that is, the main suspension electromagnet is connected to the top of the inner extension of the beam end, and...

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Abstract

A movable boring-milling machine is composed of a magnetically suspended transverse beam, a straight-line motor driven gantry, movable machine-tool and control circuit unit including the control circuit for the synchronous drive of dual straight-line motos and the control circuit for controlling the height of transverse beam. Its control method includes the synchronous control to dual straight-line motor by improved master-slave synchronous drive, and controlling the suspended height of said transverse beam.

Description

technical field [0001] The invention belongs to the technical field of numerical control, and in particular relates to a zero-phase linear drive gantry mobile boring and milling machine for a magnetic levitation beam and a control method. Background technique [0002] High-precision large-scale CNC machine tools are key equipment and strategic materials in the national economy and national defense construction. There is still a large gap between my country and advanced countries. Among the large-scale processing equipment, the gantry mobile CNC machining center is one of the most representative machine tools. In the gantry mobile machining center, there is friction between the moving parts and the stationary guide rail, which reduces the accuracy of the kinematic pair, wears and generates heat, and deforms the precision parts. Especially in the case of low-speed micro-feeding, due to the nonlinearity between friction and motion speed, the so-called inchworm motion mode or c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23Q5/00B23P23/02G05B19/18G05D3/12
Inventor 郭庆鼎赵希梅孙宜标王丽梅杨霞
Owner SHENYANG POLYTECHNIC UNIV
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