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Device with vibration-damped component used for cutting and grinding, clamp device and rotary tool

A clamping device and grinding technology, which is applied to the cutting tool of the sawing machine device, the parts of the grinding machine tool, the device for fixing the grinding wheel, etc., can solve the problems of health damage and other problems

Inactive Publication Date: 2009-11-18
RHODIUS SCHLEIFWERKZEUGE GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the case of operating the universal angle grinder for a long time, it will cause damage to health such as numbness of the forearm

Method used

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  • Device with vibration-damped component used for cutting and grinding, clamp device and rotary tool
  • Device with vibration-damped component used for cutting and grinding, clamp device and rotary tool
  • Device with vibration-damped component used for cutting and grinding, clamp device and rotary tool

Examples

Experimental program
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Embodiment Construction

[0051] exist figure 1 The universal angle grinder schematically shown in FIG. 2 includes a drive unit 10 and a handle 18, and the drive unit drives a transmission spindle 14 through a bevel gear transmission. The drive spindle 14 has a fastening flange 16 as a bearing for the rotary tool 20 . The outer end of the drive spindle 14 has an outer thread 22 , onto which a lock nut 24 is screwed, so that the tool 20 is clamped between the fastening flange 16 and the lock nut 24 . The fastening flange 16 and the lock nut 24 have clamping faces 30, 32 ( figure 2 ), with the tool 20 clamped therebetween. The fastening flange 16 can be formed integrally with the drive shaft 14 or can be a separate part, the fastening flange being engaged with the drive shaft 14 in a detachable but rotationally fixed manner. Around the edge of its central bore or around the shaft body of the drive spindle 14 , the fastening flange 16 has a flange 26 for cooperating with the tool 20 . The lock nut 24...

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Abstract

The invention relates to a device for cutting and grinding comprising a drive unit (10), a drive spindle (14) and a clamping element (16) for clamping a rotary tool (20) on the drive spindle (14) ,twenty four). There is a vibration damper between the tool (20) and the clamping part (16, 24). The damping element is in the form of an elastic material coating on the clamping part (16, 24) or the tool (20) or in the form of one or more springs inserted between the tool (20) and the clamping part (16, 24). The mode of material disc (36) constitutes.

Description

technical field [0001] The invention relates to a device for cutting and grinding, such as a universal angle grinder, having a drive spindle on which a rotating tool such as a grinding wheel, rough-grinding wheel or cut-off wheel is fixed. Fixing is usually carried out by means of two clamping parts, fastening flange and union nut. The fastening flange is formed in one piece with the drive shaft or is separable but fitted in a rotationally fixed manner therewith. A lock nut is screwed onto the end of the drive shaft. The tool is firmly clamped between the fastening flange and the union nut. The clamping part can also be a lower and an upper fastening flange, which are clamped relative to each other by means of a nut. [0002] The invention also relates to a clamping device and a rotary tool, such as a grinding wheel, a cutting wheel or a rough grinding wheel. Background technique [0003] When using a universal angle grinder without vibration dampers, vibrations are gene...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B23/02B24B45/00B24D5/16B23D47/00B23D61/02F16F7/00B24B41/00
CPCB24B23/028B24B41/007
Inventor 彼得·德根
Owner RHODIUS SCHLEIFWERKZEUGE GMBH & CO KG
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