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ELID (electrolytic in-process dressing) ultrasonic honing device

A honing and ultrasonic technology, applied in the direction of honing machine tools, honing tools, metal processing equipment, etc., can solve the problems of poor precision, stop sharpening, low honing efficiency, etc., achieve good results, slow down honing vibration, and meet high-precision effects

Inactive Publication Date: 2013-01-23
HENAN POLYTECHNIC UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the above-mentioned problems of low efficiency and poor precision of ordinary honing, and that ultrasonic honing still needs to be stopped for sharpening, the present invention provides an ELID ultrasonic honing device, which realizes on-line electrolytic sharpening of honing stones and avoids problems caused by shutdown and sharpening. At the same time, an oxide film is formed after electrolysis on the surface of the oil stone, which slows down the honing impact, reduces the defects such as scratches and burns on the honing surface, and greatly improves the honing surface quality and honing accuracy

Method used

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  • ELID (electrolytic in-process dressing) ultrasonic honing device
  • ELID (electrolytic in-process dressing) ultrasonic honing device
  • ELID (electrolytic in-process dressing) ultrasonic honing device

Examples

Experimental program
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Effect test

Embodiment 1

[0051] Such as figure 1 As shown, this embodiment aims at high-speed, high-efficiency, and high-precision honing of cylinder liners, and solves the problems of low efficiency and poor precision of traditional honing. Especially when honing cylinder liners of hard and brittle materials such as ceramics and cast iron, it has significant advantages.

[0052] The rotary motion of the honing head is realized by the main motion motor, the axial feed motion is realized by the feed motor through the ball screw pair, and the radial feed motion is manually adjusted. The honing head moves downwards, first passes through the ELID electrolytic electrode, and performs electrolytic sharpening on it. After the sharpening is completed, it continues to move downwards to enter the workpiece for honing operation, and reciprocating honing in this way until the workpiece meets certain technological requirements. Then stop the machine, use the in-position detection system on the machine tool to det...

Embodiment 2

[0065] See attached figure 2 , the force measuring signal is used as the control variable. When the system monitors that the honing force exceeds the threshold value set in the system, it will automatically adjust the feed motor and spindle motor to achieve a reasonable match of honing parameters and ensure that there is always an oxide film on the surface of the honing stone. Covering, so that it can play an effective auxiliary polishing role. All the other are the same as embodiment one.

Embodiment 3

[0067] See attached image 3 , is made up of feed part and ultrasonic power supply, ELID power supply introduction part, ultrasonic vibration part, movable joint and spring part, honing tool part 39. The honing tool part 39 includes a transducer 37 , an expanding cone 35 and a whetstone 36 . The upper part is connected to the main shaft of the machine tool to realize power input. The ultrasonic vibration power supply and ELID power supply 38 are introduced through the carbon brush-collector ring 32. The joint part of the collector ring 32 and the hollow main shaft 33 is connected with an insulating sleeve. Introduce the power leads, where the ultrasonic power supply is connected to the terminal of the transducer 37, while the anode lead of the ELID power supply is connected to the push rod of the feeding part, through the push rod 34 to the expansion cone 35 to the oil stone seat and then to the oil stone 36 Complete the power anode access. The insulating sleeve is used at t...

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Abstract

The invention belongs to the precise ultra-precision machining field and specifically relates to an ultra-precise honing device. The device comprises a machine tool body, a honing device, an ELID electrolysis shaping and dressing device, an online detection device and a control device which are mutually connected; when the ELID electrolysis shaping and dressing device and the ultrasonic honing device are subjected to composite honing, electrolysis dressing for a honing oilstone is realized at the same time; a honing tool is arranged in the honing device; the honing oilstone is fixedly arranged on the honing tool; and an oxide film is arranged or formed on the surface of the honing oilstone. The ultra-precise honing device has high-efficiency and high-precision honing processing to so as to avoid scuffing and burning the honing surface and be beneficial to improving the precision and quality of the honing surface.

Description

technical field [0001] The invention belongs to the field of precision ultra-precision machining, in particular to an ultra-precision honing device. Background technique [0002] Honing is a traditional processing method for oil cylinders and bushing parts, but the efficiency of traditional honing is very low and the accuracy cannot be achieved very high. The reasons are mainly: [0003] 1. Since the whetstone is quickly passivated during the honing process, it is necessary to stop the machine frequently to remove the honing tool and sharpen or replace it on a special sharpening machine. The replacement of the whetstone is an extremely complicated project. First, it must be heated, which is the brazing part of the whetstone Melt, remove the passivated oil stone brazed on the oil stone seat, and then braze a new oil stone on the oil stone seat, and finally sharpen it on the sharpening machine before it can be used on the honing machine. Frequent sharpening and replacement g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B24B1/04B24B33/00B24B33/08B24B33/10
Inventor 郐吉才
Owner HENAN POLYTECHNIC UNIV
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