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Clamping device for balancing machines

A technology of clamping device and balancing machine, which is applied in static/dynamic balance testing, measuring device, testing of machine/structural components, etc., can solve the problem of affecting the repeatability of the clamping, the influence, and the position of the bearing surface cannot be accurately determined. And other issues

Active Publication Date: 2016-01-20
SCHENCK ROTEC GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The problem with elastic bearing surface arrangements is that the position of the bearing surface cannot be determined exactly and can be influenced, for example, by friction between the bearing surface and its mating surface
Therefore, each time the tool holder is re-clamped, a slightly different centering position is produced, which affects the repeatability of the clamping

Method used

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  • Clamping device for balancing machines
  • Clamping device for balancing machines
  • Clamping device for balancing machines

Examples

Experimental program
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Effect test

Embodiment Construction

[0022] figure 1 Shows a housing 1 intended to be installed in a balancing machine. A spindle 2 is mounted rotatably about an axis of rotation 3 in the housing 1 . The spindle is intended for the dynamic measurement of the unbalance of the tool holding part 4 of a tool for high-speed drive, such as a drill, milling cutter or grinding tool, and can be used in the balancing machine by means of a not shown in the drawing driven by a rotary drive. The spindle 2 has a central bore 5 , in which an exchangeable adapter 6 , which is fixedly screwed to the spindle 2 , is arranged. Said adapter 6 is used to adapt the spindle bore to the specific shape and size of the coupling means of the tool holding part 4 to be measured. In the embodiment shown in the figures, the adapter 6 has a mounting hole 7 designed for mounting a coupling shank 8 arranged on the tool holding part 4, said coupling shank 8 having a shape comprising a truncated cone. General taper shape of the outer centering s...

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PUM

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Abstract

In a clamping device for coaxially clamping a tool holding part on a spindle of a balancing machine rotatable about an axis of rotation (3), the coupling shank (8) located in the mounting hole is only supported on support points (11-15) that are spaced apart from each other in the circumferential direction and are located in three separate planes of action intersecting the axis of rotation (3) (E1, E2, E3). Four rigid discrete support points (11-14) are arranged in pairs in the first (E1) and second plane of action (E2) and together form a rigid support in the first radial direction. In the third action plane (E3) located between the first and second action planes, a fifth dispersed support point (15) is constructed, which constitutes a A radially opposite bearing in a second radial direction.

Description

technical field [0001] The invention relates to a clamping device for coaxially clamping a tool holding part on a balancing machine spindle rotatable about an axis of rotation, wherein the main shaft has a coaxial mounting hole at the front end, and the tool holding The part has a coupling shank which can be inserted axially into the front end of the spindle, said coupling shank can be fixedly clamped axially in the mounting hole by means of a releasable clamping device, and is now located on the inner centering surface in the mounting hole , the outer centering surface on the coupling shank and possibly other positioning surfaces cooperate so that the tool holding part can be supported radially and axially in a coaxial position on the spindle. Background technique [0002] A clamping device of the above-mentioned type is known from DE 19961451 A1. The clamping device is used to enable a rotating tool such as a drill, milling cutter or grinding tool to be connected by means...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B31/00B23B31/10B23B31/26G01M1/04
CPCB23B31/005B23B31/006B23B31/101B23B31/261B23B2260/136B23B2270/12Y10T279/17666G01M1/04B23B31/10
Inventor A.布施贝克D.西伦
Owner SCHENCK ROTEC GMBH