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Device for performing fine machining on annular workpiece

A ring-shaped workpiece and equipment technology, applied in the direction of metal processing equipment, ultra-finishing machine, metal processing machinery parts, etc., can solve the problems of expensive and complicated technology, and achieve small first-level and second-level shape deviation, low Effect of fluctuation, excellent dimensional accuracy

Inactive Publication Date: 2011-04-13
ERNST THIELENHAUS GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This device, which can only be used for short-stroke honing, is technically complex and correspondingly expensive

Method used

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  • Device for performing fine machining on annular workpiece
  • Device for performing fine machining on annular workpiece

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Embodiment Construction

[0015] The basic design of the device shown in the figure comprises a rotatably drivable workpiece carrier 1, a two-axis basic machine tool 3 comprising a rotary unit 2, and a turret 4, which allows the rotation The unit 2 performs a linear feed movement along the horizontal axis X and the vertical axis Y, the turret 4 is connected to the rotary unit 2, the turret 4 comprises an axis of rotation 5 and a plurality of tool holders, which are arranged circumferentially in the rotation on axis 5. The rotary unit 2 comprises a rotary axis B arranged perpendicularly to the two linear axes X, Y. The axis of rotation 5 of the turret 4 is arranged perpendicular to the axis of rotation B of the swivel unit 2 such that the turret 4 performs a swivel movement on the axis of rotation B when the swivel unit 2 is activated. The turret 4 may comprise up to twelve tool holders designed as standard round arbor holders. At least one tool holder of the turret 4 comprises a device 6 for short-st...

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Abstract

The present invention relates to a device for performing fine machining on an annular workpiece, which comprises the following components: a workpiece bracket (1) which drives rotatably; a double-axis base machine tool (3) which comprises a rotating unit (2), wherein the base machine tool allows linear feeding movement of the rotating unit along a horizontal axis (X) and a vertical axis (Y); and a cutter tower (4) which is connected with the rotating unit and comprises a rotation axis (5) and a plurality of cutter carriers that are circumferentially arranged in the rotation axis. The rotating unit comprises a rotation axis (B) which is vertical to the two linear axes. The rotation axis of the cutter tower is aligned to vertical with the rotation axis of the rotating unit so that the cutter tower performs rotation movement in the rotation axis in a period when the rotating unit is activated. At least one cutter carrier of the cutter tower comprises a device (6) which is used for short-stroke honing and comprises an oscillation driving member that generates the oscillation movement of a honing millstone carrier (8). At least one another cutter carrier of the cutter tower is equipped for receiving a material cutter such as a hard turning tool (9).

Description

technical field [0001] The present invention relates to an apparatus for finishing annular workpieces, in particular bearing rings comprising hardened steel in most cases. Finishing always includes surface superfinishing by means of short-stroke honing. Background technique [0002] In practical applications such as the continuous manufacture of bearing rings, finishing by short-stroke honing is performed on a separate machine tool. The machine tool always comprises a rotatably drivable workpiece carrier, a tool head with an oscillating drive for generating an oscillating motion which is transmitted to the The grinding stone holder, the feed mechanism is used to position the processing head relative to the workpiece. The feed mechanism requires expensive sliding guides. The feed mechanism must meet stringent engineering requirements in order to be able to finish the workpiece with the required form and dimensional accuracy. [0003] A device for finishing or short-stroke...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P23/00
CPCB24B35/00B23Q1/623B23Q2039/008B24B27/0061B23Q39/026
Inventor S·黑塞
Owner ERNST THIELENHAUS GMBH & CO KG
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