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A device and method for magnetic field-assisted finishing of complex curved surfaces based on parallel mechanism

A complex curved surface, magnetic field-assisted technology, applied in the direction of grinding frame, grinding slide plate, grinding workpiece support, etc., can solve the problems of unclear removal mechanism, the need to improve the magnetic grinding experimental device, instability, etc., to improve the optical efficiency. Finishing efficiency, achieving full contact, satisfying the effect of finishing

Active Publication Date: 2021-04-20
SHANDONG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the processing mechanism of magnetic grinding and composite magnetic grinding still needs to be further studied; the processing effect of the new non-bonded abrasive is acceptable, but the removal mechanism is not clear, and there are unstable factors; the experimental device of magnetic grinding needs to be improved

Method used

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  • A device and method for magnetic field-assisted finishing of complex curved surfaces based on parallel mechanism
  • A device and method for magnetic field-assisted finishing of complex curved surfaces based on parallel mechanism

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Experimental program
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specific Embodiment approach 1

[0016] Specific implementation mode one: combine figure 1 and figure 2 The device described in this embodiment includes a three-bar parallel mechanism 1-1, a connecting plate 1-2, a column 1-3, a workpiece clamping device 1-4, a magnetic field generating device 1-6, a rotating platform 1-7, and a three-axis A precision displacement platform 1-8 and a base 1-9, the magnetic field generating device 1-6 includes a baffle 2-1, a magnetic pole 2-2, a T-bolt 2-3, a circular groove plate 2-4 and a T-nut 2 -5, the three-bar parallel mechanism 1-1 is installed on the connecting plate 1-2, one end of the column 1-3 is connected to the connecting plate 1-2, the other end is connected to the base 1-9, and one end of the rotating platform 1-7 It is fixed on the three-axis precision displacement platform 1-8, and the other end is fixedly connected to the magnetic field generator 1-6, and the parts to be processed 1-5 are fixedly connected to the three-bar parallel mechanism 1-1 through th...

specific Embodiment approach 2

[0017] Specific implementation plan two: combine figure 1 Describe a complex curved surface magnetic field assisted finishing device based on a parallel mechanism described in this embodiment, characterized in that: the three-bar parallel mechanism 1-1 has six degrees of freedom, and can realize high-speed rotation of the parts 1-5 to be processed and multi-degree-of-freedom control. The three-bar parallel mechanism 1-1 can be a 6-sps robot, and the others are the same as in the first embodiment.

specific Embodiment approach 3

[0018] Specific implementation mode three: combination figure 1 Explain that the magnetic field generating device 1-6 in this embodiment can realize forward rotation and reverse rotation during finishing processing, and cooperate with the rotary motion of the three-bar parallel mechanism 1-1 to increase the size of the parts to be processed 1-5 and the magnetic field generating device The relative movement of 1-6 improves the finishing processing efficiency, and the others are the same as the specific embodiment 1 or 2.

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Abstract

Aiming at the technical problems of high-efficiency, high-quality finishing and flexible control of complex curved surfaces, a magnetic field-assisted finishing device and method for complex curved surfaces based on a parallel mechanism were invented. The device includes a three-bar parallel mechanism, a connecting plate, a column, a workpiece clamping device, a magnetic field generating device, a rotating platform, a three-axis precision displacement platform and a base. The magnetic field generating device includes a baffle plate, a magnetic pole, a T-bolt, a round groove disc and a T-nut. One end of the rotating platform is fixed on the three-axis precision displacement platform, and the other end is fixedly connected to the magnetic field generator. The parts to be processed are fixedly connected to the end rotating platform of the three-bar parallel mechanism through the workpiece clamping device. The multi-degree-of-freedom flexible adjustment is realized through the three-bar parallel mechanism, and the automatic finishing processing of parts with different surface shapes can be completed with the motion control of the rotary platform and the three-axis precision displacement platform. The invention can break through the limitation of the traditional method on complex curved surface finishing, so as to realize efficient flexible automatic finishing.

Description

technical field [0001] The invention relates to the magnetic field-assisted finishing processing technology of complex curved surfaces, and in particular provides a magnetic-field-assisted finishing processing device based on a parallel mechanism and a finishing processing method thereof. Background technique [0002] Finishing is the ultimate link of machining, the main purpose is to improve the surface quality of parts. Finishing mainly includes manual grinding and polishing with fixed abrasives or free abrasives, mechanical traditional finishing, non-traditional finishing and composite non-traditional finishing. Manual grinding and polishing can realize smoothing of planes, rotary bodies, and free-form surfaces. However, this method is labor-intensive, and is affected by the technical level and technical proficiency of workers, resulting in unstable quality and low efficiency. In order to further improve the polishing method and obtain higher processing precision and sur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B1/00B24B41/06B24B41/02
CPCB24B1/005B24B41/02B24B41/06
Inventor 田业冰范增华石晨刘志强郭前建
Owner SHANDONG UNIV OF TECH
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