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Workpiece shaft numerical control motion platform device for ultraprecision machining

A technology of ultra-precision machining and motion platform, which is applied in the direction of metal processing equipment, grinding/polishing safety devices, manufacturing tools, etc. Small-diameter aspheric surface processing machine tools, bulky and other problems, to achieve the effect of high rotation accuracy, improved performance, and high motion accuracy

Active Publication Date: 2015-01-28
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the problem of complex structure and large volume in the existing workpiece spindle system, and the high-precision linear motors cannot fully meet the requirements of dustproof, magnetic isolation, and anti-cutting fluid, the present invention is not suitable for application on small-diameter aspheric surface processing machine tools problem, and then provide a workpiece axis CNC motion platform device for ultra-precision machining

Method used

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  • Workpiece shaft numerical control motion platform device for ultraprecision machining
  • Workpiece shaft numerical control motion platform device for ultraprecision machining
  • Workpiece shaft numerical control motion platform device for ultraprecision machining

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specific Embodiment approach 1

[0017] Specific implementation mode one: as Figure 1-7 As shown, a workpiece axis CNC motion platform device for ultra-precision machining described in this embodiment includes an XY precision mobile platform, a machine base 1, a cover plate 2, an organ protective cover 3, a workbench 4, a workpiece spindle support 7, and a workpiece Main shaft 8, CCD tool setting device 17 and liquid return tank 18; the XY precision mobile platform includes an X-axis linear unit 6 and a Y-axis linear unit 5, and the X-axis linear unit 6 is placed on the Y-axis linear unit 5; There is a cavity 1-1 for accommodating the XY precision mobile platform, the XY precision mobile platform is placed in the cavity 1-1 of the machine base 1, and the workbench 4 is installed on the upper end surface of the X-axis linear unit 6 of the XY precision mobile platform , a cover plate 2 is arranged around the chamber 1-1, an organ protective cover 3 is arranged between the edge of the workbench 4 and the cover ...

specific Embodiment approach 2

[0018] Specific implementation mode two: as Figure 1-7 As shown, the XY precision mobile platform described in this embodiment adopts the linear motor platform 404T01LXR of Parker Company of the United States. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0019] Specific implementation mode three: as Figure 1-7 As shown, the workpiece spindle 8 in this embodiment adopts the precision electric spindle NR50-5100ATC of NSK Corporation of Japan. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a workpiece shaft numerical control motion platform device for ultraprecision machining, and belongs to the technical field of polishing machining. The workpiece shaft numerical control motion platform device for the ultraprecision machining aims at solving the problems that an existing workpiece main shaft system is complex in structure and large in size, can not sufficiently meet the requirements of dust prevention, magnetism prevention and cutting fluid prevention for a high-precision linear motor, and is not suitable for being applied to a small-bore and non-ball curved surface machining lathe. An XY precision mobile platform is arranged in a containing cavity of a lathe base. A working platform is installed on an X axis straight line unit of the XY precision mobile platform. Cover plates are arranged on the periphery of the containing cavity. An organ-liked protective cover is arranged between the edge of the working platform and each cover plate. The workpiece main shaft is installed on the working platform through a workpiece main shaft support, and the axis of the workpiece main shaft is parallel to the motion axis of the X axis straight line unit. A liquid returning groove is formed in the working platform for recycling working fluid. A charge coupled device (CCD) tool setting device is installed on the cover plates. Safety protection of motion components is fully taken into consideration. A smear metal prevention device, a dust prevention device and a cutting fluid prevention device are arranged, and safe operation of the straight line motion unit is ensured.

Description

technical field [0001] The invention relates to a workpiece axis numerical control motion platform device for ultra-precision machining, belonging to the technical field of lapping and polishing. technical background [0002] With the increasing development of modern science and technology, various small-diameter aspheric parts with high precision and high surface quality are widely used in the fields of national defense, aerospace, electronics, and biomedicine. The surface shape of these parts requires sub-micron-level shape accuracy, nano-level surface roughness and minimal sub-surface damage. Ultra-precision grinding and polishing are required to meet the requirements for precision and surface quality. For such high-precision parts with complex surface shapes, its processing and manufacturing needs to be realized by high-precision multi-axis linkage processing equipment. This multi-axis linkage processing system can have many different layout forms. For example, a five-a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B1/00B24B55/06B24B55/00B24B41/04B24B41/02
Inventor 陈明君刘赫男于霖郭占玥余波彭慧
Owner HARBIN INST OF TECH
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