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Rotary-table bearing assembly

A technology for turntable bearings and outer rings, applied to bearings, rotating bearings, roller bearings, etc., can solve problems such as life reduction

Active Publication Date: 2016-11-09
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This has the effect that the shaft and the inner ring expand more strongly than the outer ring, as a result of which the compression and bias in the turret bearing, in particular in the radial tracks, increase, which leads to a reduced service life

Method used

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  • Rotary-table bearing assembly
  • Rotary-table bearing assembly
  • Rotary-table bearing assembly

Examples

Experimental program
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Effect test

Embodiment Construction

[0023] figure 1 Shown is a part of a turntable machine 1 according to the invention, which comprises a stand 2 with a support member 3 which is a fitting member with an outer bearing for the turntable bearing. The clamping section of the ring, which is described below.

[0024] Furthermore, a shaft 4 is provided, which has a further mounting component with a clamping section for the inner ring of the turntable bearing, wherein the clamping section is via the hollow cylindrical shape of the shaft 4 Section 5 of is implemented. The shaft 4 has a platform flange 6 , on which, in a manner not shown, its own turntable is accommodated.

[0025] A torque motor 7 is provided for driving the shaft 4, said torque motor comprising: a stator 8, fixed on the frame side; and a rotor 9, separated via an air gap, arranged in a hollow cylindrical section of the shaft 4 In the extension of 5. The stator 8 and the rotor 9 are separated in a known manner via an air gap, so that the rotor 9 ca...

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PUM

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Abstract

The invention relates to a rotary-table bearing assembly, comprising: a rotary-table bearing (10), which has an inner ring (12), an outer ring (11), and rolling elements arranged in one or more rows (13, 14, 15), which roll on the inner ring and on the outer ring; and in each case an assembly component (3, 4) having a clamping segment (16, 28), to which assembly components the outer ring (11) and the inner ring (12) are connected. According to the invention, the clamping segment (16, 28) of at least one assembly component (3, 4) is designed radially elastic on the assembly component (3, 4), and / or the outer ring (11) and / or the inner ring (12) has a radially elastic connecting segment (25), by means of which the particular ring (11, 12) is connected to the assembly component (3, 4).

Description

Technical field [0001] The present invention relates to a turntable bearing device, which includes: a turntable bearing having an inner ring, an outer ring and rolling elements arranged in one or more rows, and the rolling elements roll on the inner ring and the outer ring; and A mounting component each having a clamping section to which the inner ring and the outer ring are connected. Background technique [0002] In order to improve productivity, multiple processes are increasingly integrated when cutting workpieces. One possible solution is to combine turning or milling operations in one machine. The machine usually includes a turntable which is rotatably supported via corresponding turntable bearing arrangements. Turntable bearing assemblies have hitherto been designed only for pivoting purposes or for slow continuous rotation, whereas an expansion of the operating range requires bearing assemblies designed so that they can also be operated at high rotational speeds ov...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C19/38F16C27/04F16C33/58
CPCF16C19/38F16C27/04F16C33/58F16C19/381B23Q2220/004F16C2300/14F16C2322/39F16C33/586B23Q1/40F16C2322/50
Inventor 约尔格-奥利弗·黑斯特曼京特·施米德于尔根·希尔宾格
Owner SCHAEFFLER TECH AG & CO KG
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