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Integral production method of material removing and ultrasonic surface processing

A surface processing and production method technology, applied in the direction of metal processing, metal processing equipment, metal processing machinery parts, etc., can solve the problems of workpiece surface damage, low processing efficiency, destructive dimensional accuracy, etc., achieve rapid positioning and improve production efficiency Effect

Active Publication Date: 2009-06-24
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current ultrasonic finishing process is to perform ultrasonic finishing after the workpiece has a certain dimensional accuracy. The clamping of the workpiece and the adjustment of processing parameters are carried out in multiple steps, which often leads to low processing efficiency. It is easy to cause damage to the surface of the workpiece caused by adjustment of process parameters and improper clamping, and even destroy the existing dimensional accuracy.

Method used

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  • Integral production method of material removing and ultrasonic surface processing
  • Integral production method of material removing and ultrasonic surface processing
  • Integral production method of material removing and ultrasonic surface processing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: a production method integrating material removal and ultrasonic surface processing, the method comprises the following steps:

[0032] 1) Clamp the workpiece on the processing machine tool;

[0033] 2) Move the knife position to the cutting start position;

[0034] 3) Calculate the cutting amount, set the feed distance, turn on the ultrasonic equipment, and adjust the ultrasonic tool head height, pre-pressure and other parameters;

[0035] 4) Perform size finishing and workpiece surface processing;

[0036] 5) Repeat steps 3 and 4 until the workpiece size meets the finishing requirements;

[0037] 6) Retract the tool, unload the workpiece, and the processing is completed.

[0038] Step 3 adopts mechanical movement compound method. The giant magnetostrictive micro-displacement driver and the ultrasonic transducer are connected as a whole through the connecting plate, and the ultrasonic transducer is driven by the ultrasonic frequency power supply to mak...

Embodiment 2

[0039] Embodiment 2: Step 3 adopts the electrical signal composite method. The power amplifier output for micro-displacement driving is superimposed with the power amplifier output for ultrasonic vibration. The ultrasonic frequency electrical signal is used as the carrier wave on the low-frequency electrical signal, and the composite signal is input to the giant magnetostrictive rod actuator integrating micro-displacement and ultrasonic vibration. , in the low frequency band, the giant magnetostrictive rod, the horn and the tool behave as a rigid body, and the low frequency electrical signal drives the giant magnetostrictive rod to achieve precise positioning. In the ultrasonic frequency band, the giant magnetostrictive rod, the horn and the tool They can all be regarded as elastic bodies. Ultrasonic waves propagate in the form of longitudinal waves, causing each particle to reciprocate in situ along the direction of wave advancement according to the sinusoidal law, and transmi...

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Abstract

The present invention belongs to a machining method, in particular, it relates to a cutting automatic machining method. It is characterized by that said invention adopts mechanical movement composite mode and electric signal composite mode to make the cutting-tool produce precision displacement to implement material-removing machining operation and make the workpiece be reached to a certain size accuracy, at the same time said invention utilizes ultrasonic frequency vibration to make the surface of workpiece implement ultrasonic surface burnishing processing operation.

Description

technical field [0001] The invention relates to a mechanical processing method, in particular to an automatic cutting processing method. Background technique [0002] The size finishing of the workpiece refers to the use of metal cutting tools to remove excess metal from the workpiece so that the dimensional accuracy of the workpiece meets the design requirements. Commonly used are turning, milling, grinding, etc.; surface finishing is a method to improve the surface quality of the workpiece Processing technology, commonly used are rolling, grinding and ultrasonic finishing. The traditional main methods are: after turning or milling, then grinding; after turning or milling, then rolling; after turning or milling, then ultrasonic finishing. Among them, ultrasonic finishing, especially in the surface processing of some difficult-to-machine materials such as titanium alloys, high-temperature alloys, and engineering ceramics, as well as weldments, is beneficial to improving the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23Q5/00B23Q1/34
Inventor 吕福在唐志峰
Owner ZHEJIANG UNIV