Device and Method for the Ultrasonic Cutting of Workpieces

A technology of ultrasonic cutting and cutting parts, which is applied in the direction of metal processing equipment, measuring/indicating equipment, metal processing machinery parts, etc., can solve the problems of lateral force change, cost, technical impracticality, etc., and achieve the effect of reducing lateral deviation
CN107848136AActive Publication Date: 2018-03-27BAYERISCHE MOTOREN WERKE AG
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
BAYERISCHE MOTOREN WERKE AG
Publication Date
2018-03-27

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Abstract

The present invention relates to a cutting guide device (1) for ultrasonic cutting of workpieces (2). The cutting guide device (1) includes a cutting guide device (3), a cutting piece (4) with a cutting edge longitudinal axis (5) held in the cutting guide device (3), an ultrasound generator (6) which oscillates the cutting piece (4), a control unit (7) which controls movement of the cutting guidedevice (3) to allow the cutting piece moved on a cutting path (8) relative to the workpieces (2) to be cutted in a cutting direction (9), and a first force measuring device (10) which measures an actual lateral force (K) on the cutting piece (4) transverse to the cutting piece (4) longitudinal axis and transverse to the cutting direction (9). The first force measuring device (10) sends actual lateral force measurement values to the control unit(7), which changes at least one cutting parameter based on the measured actual lateral force (K). A method for using the ultrasonic cutting workpiece (2) is also provided.
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Description

technical field

[0001] The invention relates to a device for ultrasonically cutting workpieces. Furthermore, the invention relates to a method for ultrasonically cutting a workpiece by means of the device according to the invention. Background technique

[0002] For cutting workpieces, especially workpieces with fragile structures or possibly easily damaged and / or temperature-sensitive materials, it is advantageous to introduce as little cutting force as possible into the workpiece in order not to damage the workpiece and to produce "clean" "cut surface. Furthermore, it is generally to be avoided that the workpiece heats up during cutting (particularly if this causes damage to the workpiece). Therefore, for cutting such workpieces, ultrasonic cutting has been proven feasible.

[0003] During ultrasonic cutting by means of a device for ultrasonically cutting workpieces, the cutting part is subjected to ultrasonic vibrations with a frequency in particular between 20 and 40 ...

Claims

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