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Self-Clamping Friction Welding Tools

A friction welding and tool technology, applied in the field of self-clamping friction welding tools, which can solve the problems that the machine tool cannot be used and cannot be disassembled.

Inactive Publication Date: 2015-09-16
亥姆霍兹–然楚姆基斯塔然楚姆皮草材质库斯坦佛斯创有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, this prior art friction welding device has the disadvantage that it cannot be used in any other way as a machine tool, for example for a drilling or milling machine, since at least the clamping device is a fixed part of the machine tool, and cannot be removed from the machine

Method used

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  • Self-Clamping Friction Welding Tools
  • Self-Clamping Friction Welding Tools
  • Self-Clamping Friction Welding Tools

Examples

Experimental program
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Embodiment Construction

[0036] Figure 1 to Figure 4 The friction welding tool 1 of the first embodiment of the present application is shown. The friction welding tool 1 has a pin 3 and a clamping device 5 secured in such a manner as to allow rotational movement.

[0037] The pin 3 is substantially rotationally symmetrical with respect to its longitudinal axis 7 and has a connection end 9 and an engagement end 11 opposite the connection end 9 . The pin 3 has at its connecting end 9 a coupling portion 13 detachably coupled with a rotary output device of the machine tool, such as a chuck mounted on an output shaft. The machine tool can be, for example, a machining center, a drilling machine, a milling machine or a hand tool. To this end, an engaging groove 15 is provided on the circumferential surface of the coupling part 13 in the preferred exemplary embodiment shown here, said groove being rotationally fixedly connected with the output means, ie for example a chuck.

[0038] The engaging end 11 of...

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PUM

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Abstract

The welding tool (1) has clamping device (5) having a counter bearing (21), which is held on pin between coupling and engagement ends (9,11) in a manner which allows it to be rotated freely around longitudinal axis (7) of pin (3) and prevents its movement in direction of longitudinal axis. The clamping device with a hold-down element (27) which surrounds pin, is arranged on side of counter bearing facing the engagement end. The pin is provided with a coupling section (13) on its coupling end for releasable, rotationally fixed coupling to a rotating output device of a machine tool. The clamping device which surrounds the pin, is moved along the longitudinal axis of the pin and is provided for exerting pressure on the surface of the workpiece arrangement. A spring element (37) is provided between the hold-down element and counter bearing. The hold-down element is thus mounted on the pin in such a way that it is elastically slid along longitudinal axis of pin.

Description

technical field [0001] The present application relates to a self-clamping friction welding tool comprising a pin having a coupling end and an engaging end opposite the coupling end for rotation about its longitudinal axis and clamping means arranged around the pin (the longitudinal axis extends between the engaging end and the connecting end), and is also used to engage the surface of the workpiece device through the engaging end, the clamping device is movable along the longitudinal axis of the pin, and is used to clamp the workpiece device exert pressure on the surface. Background technique [0002] In general, friction welding involves moving two adjacent workpieces relative to each other, and the resulting friction causes the material in the friction area of ​​the workpieces to be heated and plasticized. If two workpieces are placed against each other or pressed against each other, the plasticized materials of the two workpieces bond at the contact area. A particular a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K20/12
CPCB23K37/0408B23K20/125B23K37/0435B23K20/10B23K20/1265B23K20/126
Inventor A·鲁斯J·弗里茨L·伯格曼乔治·F·多斯桑托斯
Owner 亥姆霍兹–然楚姆基斯塔然楚姆皮草材质库斯坦佛斯创有限公司