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Tool holder

A tool holder and cutting tool technology, which is applied in the accessories of tool holders, turning equipment, maintenance and safety accessories, etc., can solve the problems of low coolant flow rate, inability to ensure optimal cooling of tools, insufficient cooling of vibration drive, etc., reaching the area stable effect

Inactive Publication Date: 2018-09-28
萨奥有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In such a design, however, the problem arises that the tube cross-section and thus the achievable coolant flow are too low to ensure optimal cooling of the tool
In addition, the vibration drive does not cool sufficiently

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0040] The invention is described and explained in detail below by means of examples and exemplary figures.

[0041] figure 1A cross-sectional view of one embodiment of a tool holder 100 according to the invention is shown. The tool holder 100 is designed as a longitudinal element having a first end 30 and a second end 50 arranged opposite the first end 30 . A knife 200 (not shown) may be received at the first end 30 . The second end portion 50 is provided with a fastening portion 40 by means of which the tool holder 100 can be fastened to the machine tool 300 in a replaceable manner.

[0042] The tool holder 100 has a housing 10 in which an oscillating system with an ultrasonic transducer 70 and a transmission element 20 is arranged. The ultrasonic transducer 70 has stacked disk-shaped piezoelectric elements that are excited into mechanical ultrasonic vibrations by a generator (not shown). This vibration is transmitted to the transmission element 20 through the mechanical...

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PUM

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Abstract

The present invention relates to a tool holder 100 for accommodating a tool 200, having a housing 10, a transmitting element 20, arranged in a movable manner in the housing 10, for transmitting a movement to the tool 200 accommodated in a first end portion 30 of the tool holder 100, a fastening portion 40 at a second end portion 50 of the tool holder 100, located opposite the first end portion 30of the tool holder 100, for fastening the tool holder 100 to a machine tool 300, and a coolant line portion 60 for conducting coolant from the second end portion 50 of the tool holder 100 to the firstend portion 30 of the tool holder 100, wherein the coolant line portion 60 has a first section 61 extending through the transmitting element 20, wherein the first section 61 is configured at least inpart as a bore in the transmitting element 20.

Description

technical field [0001] The invention relates to a tool holder for receiving a tool, said tool holder comprising a housing; a transmission element movably arranged in the housing for transmitting movement to a tool in the first end; a fastening portion at a second end of the tool holder opposite the first end of the tool holder for fastening the tool holder to a machine tool; and a coolant line portion for directing coolant from the second end of the tool holder to the first end of the tool holder. Background technique [0002] The prior art is familiar with tool spindles used in machine tools which have a continuous inner tube for cooling and lubricating the tool when machining a workpiece, through which coolant is conducted to the tool. [0003] EP1480783B1 describes a machine tool comprising a spindle comprising a tool support for an exchangeable tool holder which is clamped in the tool holder during operation of the machine tool and has a tool support for a small coolan...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23B37/00B23B29/12B23Q11/10
CPCB23B29/125B23B37/00B23B2231/24B23B2260/108B23B2270/10B23Q11/1023B23B2250/12
Inventor 加斯顿·施文克延斯·克特莱尔曼纽尔·普雷托里乌斯
Owner 萨奥有限公司