A stable gap device for long-distance polishing

A stable and gap technology, applied in the field of long-range polishing stable gap devices, can solve the problems affecting the polishing quality, the effect of the uniformity of the polishing process, and the change of the distance between the grinding head and the surface of the workpiece, and achieve the effect of improving the polishing quality and stabilizing the polishing process.

Inactive Publication Date: 2011-12-21
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

Because it is difficult to control the distribution of polishing paste under the ordinary solid grinding head, the uniformity of the polishing process is affected. A hollow liquid-jet grinding head with holes at the bottom solves this problem better
[0003] However, the distance between the non-contact liquid jet grinding head and the workpiece surface is very small. Usually, the distance between the grindin

Method used

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  • A stable gap device for long-distance polishing
  • A stable gap device for long-distance polishing

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Embodiment Construction

[0009] Depend on figure 1 As shown, the long-distance polishing stable gap device of the present invention includes: a control valve 1, a flow sensor 2, a pressure sensor 3, a rotary connector 4, a main shaft 5, a piezoelectric ceramic stack 6, a frame 7, a liquid jet grinding head 8, and a controller 10; wherein the control valve 1 is connected to the flow sensor 2, the flow sensor 2 is connected to the pressure sensor 3, the pressure sensor 3 is connected to the main shaft 5 through the rotary connector 4, and the piezoelectric ceramic stack 6 and the liquid jet grinding head 8 are connected under the main shaft 5, The piezoelectric ceramic stack 6 is inlaid in the frame 7. The piezoelectric ceramic stack 6 is connected with the frame 7 and the main shaft 5 by threads. The main shaft 5 passes through the frame 7 and is connected with the liquid jet grinding head 8. 1. Flow sensor 2, pressure sensor 3 and piezoelectric ceramic stack 6 are connected.

[0010] The distance bet...

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Abstract

The invention discloses a long-range polishing stable-clearance device, which belongs to the technical field of optical cold machining. The device comprises a control valve, a flow sensor, a pressure sensor, a rotary connector, a main shaft, a piezoceramic stack, a frame, a liquid-spraying grinding head and a controller. Adverse influence on a polishing process because of low precision of a machine tool, clamping and a workpiece surface is avoided by keeping distance between the liquid-spraying grinding head and the workpiece surface in the device; the polishing process is more stable; and the polishing quality is improved. At the same time, under the condition of not changing a process, the requirement on the precision of the machine tool and clamping is reduced.

Description

technical field [0001] The invention belongs to the technical field of optical cold processing, and relates to a long-distance polishing stable gap device. Background technique [0002] In the field of optical cold processing technology, the optical lenses that make up various optical systems must be produced by rough grinding, fine grinding, fine grinding, polishing and other processes according to the requirements of their optical design. The polishing process is generally completed by using various grinding heads . Because it is difficult to control the distribution of polishing paste under the ordinary solid grinding head, the uniformity of the polishing process is affected. A hollow liquid-jet grinding head with holes at the bottom solves this problem better. [0003] However, the distance between the non-contact liquid jet grinding head and the surface of the workpiece is very small. Usually, the distance between the grinding head and the surface of the workpiece is a...

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Application Information

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IPC IPC(8): B24B55/00B24B13/00
Inventor 王绍治王君林刘健
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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