High-precision direct driven air flotation turntable

An air-floating turntable, direct-drive technology, applied in the direction of the machine/support, bearing, shaft and bearing, etc., can solve the problems of small end surface runout and radial runout, achieve small indexing error and friction torque, and excellent dynamics and static stability, the effect of simplifying the mechanical structure
CN102011918AActive Publication Date: 2011-04-13BEIJING SATELLITE MFG FACTORY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
BEIJING SATELLITE MFG FACTORY
Publication Date
2011-04-13

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Abstract

The invention discloses a high-precision direct driven air flotation turntable, which comprises a supporting seat (1), a hoisting ring screw (2), a handle (3), a sealing ring (4), an axial throttle (5), a radial throttle (6), a mounting pedestal (7), a radial bearing outer ring (8), an O-shaped rubber sealing ring I (9), an air flotation face assembly (10), an O-shaped rubber sealing ring II (11), a pressure block (12), a motor mounting seat (13), a socket (14), a plug I (15), a plug II (16), a torque motor stator (17), a torque motor rotator (18), a small pressure ring (19), a grating disc (20), a reading head (21), a reading head bracket (22), a gland (23), a sealing plate (24) and a large pressure ring (25). The turntable has high indexing precision and low end face run-out and radial run-out, and solves the precise indexing problem under the condition of high load.
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Description

technical field

[0001] The invention relates to a high-precision direct-drive air-floating turntable, which can be applied to coordinate transfer, component positioning, precision measurement, etc. in the assembly and part assembly of large-scale precision systems such as satellites, and can also be applied to industries such as aerospace and automobile manufacturing. The precision machining and precision measurement can form a series of products by changing the structural size, gas path parameters, selecting appropriate driving motors, etc., which can be applied to a wider range of fields. The technology applied in this invention covers the fields of light, mechanics, electricity, etc. . Background technique

[0002] The precise measurement of satellite assembly is divided into structural system precision measurement, propulsion and control system precision measurement, including installation accuracy measurement of momentum wheel, gyroscope, star sensor, engine, etc.; payl...

Claims

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