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Hard-brittle material large-depth-diameter-ratio tiny-special-shaped-hole precise ultrasonic drilling

A technology of hard and brittle materials and depth-to-diameter ratio, which is applied in metal processing and other directions, can solve problems such as inaccurate positioning, inability to process large depth-to-diameter ratio holes, and punching defects, so as to achieve high processing accuracy and benefit the roughness of the hole wall The effect of controlling and reducing production costs

Pending Publication Date: 2018-03-09
HUAQIAO UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention provides a precision ultrasonic punching machine with large depth-to-diameter ratio and small special-shaped holes for hard and brittle materials, which solves the problem of inaccurate positioning and easy punching of existing ultrasonic punching machines when processing hard and brittle materials. Defects and the inability to process large depth-to-diameter holes and small special-shaped holes

Method used

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  • Hard-brittle material large-depth-diameter-ratio tiny-special-shaped-hole precise ultrasonic drilling
  • Hard-brittle material large-depth-diameter-ratio tiny-special-shaped-hole precise ultrasonic drilling
  • Hard-brittle material large-depth-diameter-ratio tiny-special-shaped-hole precise ultrasonic drilling

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Embodiment

[0021] Please check figure 1 and figure 2 , a precision ultrasonic drilling machine with large depth-to-diameter ratio and small special-shaped holes for hard and brittle materials, including a machine tool body 1 and a control system 2, the machine tool body 1 includes a workbench 10, a column 11, a slide rail 12, and a slider 13 and stepping motor 14.

[0022] In this embodiment, the column 11 is vertically and fixedly installed on one side of the workbench 10, the slide rail 12 is fixed on the column 11, and the slider 13 is slid on the slide rail 12. The stepper motor 14 is connected with the slider 13 and can drive the slider 13 to move up and down along the slide rail 12 , and the control system 2 controls the moving amount of the slider 13 by connecting the stepper motor 14 .

[0023] An angle adjustment device 15 is also mounted on the slider, and the angle adjustment device 15 can rotate left and right relative to the slider 13 . An ultrasonic vibrating device 16 ...

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Abstract

The invention discloses a hard-brittle material large-depth-diameter-ratio tiny-special-shaped-hole precise ultrasonic drilling machine which comprises a machine tool body and a control system. The machine tool body comprises a workbench, an upright, a sliding rail, a slider, a stepping motor and an angle adjusting device, an electric displacement platform is mounted on the workbench, the steppingmotor is connected with the slider, an ultrasonic vibration device is connectedly mounted on the angle adjusting device which is connectedly mounted on the slider, a pressure sensor is mounted on theultrasonic vibration device, and the control system is connected with the electric displacement platform, the pressure sensor, the stepping motor, the angle adjusting device and the ultrasonic vibration device. The control system adjusts axis position of a tool head by controlling the slider and the angle adjusting device, so that parallelism between axis of the tool head and moving direction isensured, and bending or breaking of the tool head due to the fact that angle of the tool head and drilling direction are not parallel is avoided. The control system adjusts processing pressure throughthe pressure sensor, so that the tool head and a workpiece are protected, and controlling of hole wall coarseness is facilitated.

Description

technical field [0001] The invention relates to an ultrasonic processing equipment, in particular to a precision ultrasonic drilling machine for hard and brittle materials with large depth-to-diameter ratio and tiny irregular holes. Background technique [0002] Ultrasonic machining is a new processing method developed in recent decades, which is widely used in precision machining of hard and brittle materials, including ultrasonic drilling. The principle of ultrasonic drilling is to drive the abrasive particles to impact the surface of the workpiece through the ultrasonic frequency vibration of the tool head, so as to achieve the purpose of removing the workpiece material. For hole processing of hard and brittle materials, ultrasonic drilling has a good effect. However, the existing ultrasonic drilling equipment generally has problems such as low precision and poor processing quality, and can only be used in occasions where the precision is not high, and cannot be applied ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B26F1/26B26D7/26
CPCB26D7/26B26D7/2628B26F1/26
Inventor 胡中伟徐西鹏赖志远邵铭剑
Owner HUAQIAO UNIVERSITY
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