CN103481015B - The strengthening of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device and method - Google Patents
The strengthening of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device and method Download PDFInfo
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- CN103481015B CN103481015B CN201310482245.8A CN201310482245A CN103481015B CN 103481015 B CN103481015 B CN 103481015B CN 201310482245 A CN201310482245 A CN 201310482245A CN 103481015 B CN103481015 B CN 103481015B
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- ultrasonic vibration
- cutter head
- workpiece
- strengthening
- work
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
- B23P9/04—Treating or finishing by hammering or applying repeated pressure
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/13—Modifying the physical properties of iron or steel by deformation by hot working
Abstract
The invention discloses the strengthening of a kind of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device, comprise brush, main shaft, wire, arc-control device, power supply, ultrasonic generator, workpiece and chuck, the cutter head of described ultrasonic generator, power supply, arc-control device, be enclosed within the brush on main shaft, main shaft, chuck and workpiece are composed in series a galvanic circle successively, utilize the electric current produced in galvanic circle, make the material producing green coke of surface of the work and insert contacts part have burning ears instantaneous intensification soften, skin processing is realized in conjunction with ultrasonic vibration, surface peening, refined crystalline strengthening and elimination residual stress, also disclose the strengthening of Electricity Contact Heating assisting ultrasonic vibration surface and polishing processing method that utilize this device simultaneously.Structure of the present invention is simple, can realize precision finishing and the surface peening of various conductive material, improves machined surface quality, reduces surface roughness, and eliminate surface residual stress, ultrasonic vibration can also play refined crystalline strengthening effect to surface of the work material.
Description
Technical field
The present invention relates to the strengthening of a kind of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device and method.
Background technology
At present, ultrasonic vibration surface peening and skin processing are by applying certain regular, controlled ultrasonic vibration on cutter head, make cutter head high-frequency percussion surface of the work, produce ultrasonic vibration percussion on the surface of the workpiece, surface of the work is strengthened and miniature deformation process, complete the intensive treatment to surface of the work and skin processing.Ultrasonic vibration surface peening and skin processing can improve the fatigue life of surface microhardness, wearability, part, reduce surface roughness, eliminate surface residual stress, and can refinement surface of the work material grains.Existing ultrasonic vibration surface peening and finishing process carry out under normal temperature condition, needs ultrasonic vibration impact energy large, have certain influence to tool system and lathe.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, providing a kind of Electricity Contact Heating assisting ultrasonic vibration surface to strengthen and skin processing processing unit (plant) and method.Electricity Contact Heating utilizes instrument and workpiece to form galvanic circle, pass to low-voltage, high-current, make the material producing green coke of surface of the work and instrument contact portion have burning ears instantaneous intensification soften, reduce ultrasonic vibration impact energy required for ultrasonic vibration surface peening and skin processing, and be conducive to the processes such as the micro-plastic deformation of workpiece material and grain refinement.
Above-mentioned purpose of the present invention adopts following technical proposals:
The strengthening of a kind of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device, comprise brush, main shaft, wire, arc-control device, power supply, ultrasonic generator, workpiece and chuck, the cutter head of described ultrasonic generator, power supply, arc-control device, be enclosed within the brush on main shaft, main shaft, chuck and workpiece are composed in series a galvanic circle successively, utilize the electric current produced in galvanic circle, make the material producing green coke of surface of the work and insert contacts part have burning ears instantaneous intensification soften, skin processing is realized in conjunction with ultrasonic vibration, surface peening, refined crystalline strengthening and elimination residual stress.
Described ultrasonic generator comprises ultrasonic generator, and supersonic generator is connected with ultrasonic transducer, and ultrasonic transducer is connected with ultrasonic transformer, and ultrasonic transformer front end is provided with cutter head, and cutter head contacts with surface of the work, and cutter head is also connected with power supply by wire.
Described power supply is low-voltage dc power supply.
The strengthening of a kind of Electricity Contact Heating assisting ultrasonic vibration surface and polishing processing method, specifically comprise:
1) brush is installed on lathe spindle;
2) connect brush, arc-control device, power supply and cutter head successively with wire, make it between brush-arc-control device-low-voltage dc power supply-cutter head-workpiece-chuck-main shaft-brush, form galvanic circle;
3) utilize the low-voltage, high-current in loop, make the material producing green coke of surface of the work and insert contacts part have burning ears instantaneous intensification soften;
4) on cutter head, apply ultrasonic vibration along workpiece radial direction simultaneously, cutter head is made to impact surface of the work with supersonic frequency, produce ultrasonic vibration percussion on the surface of the workpiece, and utilize the thermoplastic feature of metal electrical contact, surface of the work is strengthened and miniature deformation process, complete the intensive treatment to surface of the work and skin processing, improve workpiece surface quality, reduce surface roughness, eliminate surface residual stress, refined crystalline strengthening effect can also be played to surface of the work material simultaneously.
The present invention utilizes the electric current produced in galvanic circle (brush-arc-control device-low-voltage dc power supply-cutter head-workpiece-chuck-main shaft-brush), make the material producing green coke of surface of the work and insert contacts part have burning ears instantaneous intensification soften, realize skin processing, surface peening, refined crystalline strengthening in conjunction with ultrasonic vibration and eliminate residual stress, and arc-control device is set in galvanic circle, prevents cutter head from impacting in surface of the work process in ultrasonic vibration and produce electric discharge burn surface of the work.
Supersonic generator produces the high frequency electrical signal being greater than 20kHz, mechanical oscillation are converted to through transducer, amplify through ultrasonic transformer again and pass to cutter head, utilize the ultrasonic vibration be applied on cutter head carry out skin processing, surface peening, refined crystalline strengthening to surface of the work and eliminate residual stress.
Structure of the present invention is simple, precision finishing and the surface peening of various conductive material can be realized, improve machined surface quality, reduce surface roughness, eliminate surface residual stress, the ultrasonic vibration applied can also play refined crystalline strengthening effect to surface of the work material, is a kind of new method of the precision finishings such as common conductive material, high hard conductive material, conduction hard brittle material and surface peening.The active force of the present invention to workpiece is about 400N, lower by more than 20% than person of outstanding talent's gram energy metal surface processing, can ensure machining accuracy and the stability of lathe.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Wherein 1. brush 2. main shaft 3. wire 4. arc-control device 5. low-voltage dc power supply 6. ultrasonic transducer 7. ultrasonic transformer 8. supersonic generator 9. cutter head 10. workpiece 11. triangle chucks.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, the strengthening of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device, comprise brush, main shaft, wire, arc-control device, low-voltage dc power supply, ultrasonic transducer, ultrasonic transformer, supersonic generator, cutter head, workpiece, chuck.The cutter head of the strengthening of described Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device, power supply, arc-control device, the brush be enclosed within main shaft, main shaft, chuck and workpiece are composed in series a galvanic circle successively, utilize the electric current produced in galvanic circle, make the material producing green coke of surface of the work and insert contacts part have burning ears instantaneous intensification soften, in conjunction with ultrasonic vibration realize skin processing, surface peening, refined crystalline strengthening and eliminate residual stress.
Described supersonic generator is connected with ultrasonic transducer, and ultrasonic transducer is connected with ultrasonic transformer, and ultrasonic transformer front end is provided with cutter head, and cutter head contacts with surface of the work, and cutter head is also connected with power supply by wire.
By brush 1 according to being installed on lathe spindle 2 shown in Fig. 1, brush 1 is connected successively with wire 3, arc-control device 4, low-voltage dc power supply 5, cutter head 9, galvanic circle is formed between brush 1-arc-control device 4-low-voltage dc power supply 5-cutter head 9-workpiece 10-chuck 11-main shaft 2-brush 1, utilize the low-voltage, high-current in loop, the instantaneous intensification of having burning ears of workpiece 10 surface and the material producing green coke of cutter head 9 contact portion is softened, on cutter head 9, apply ultrasonic vibration along workpiece 10 radial direction simultaneously, cutter head 9 supersonic frequency is made to impact workpiece 10 surface, produce ultrasonic vibration percussion at workpiece 10 on the surface, and utilize the thermoplastic feature of metal electrical contact, workpiece 10 surface is strengthened and miniature deformation process, complete the intensive treatment to workpiece 10 surface and skin processing, improve workpiece 10 surface quality, reduce surface roughness, eliminate surface residual stress, refined crystalline strengthening effect can also be played to workpiece 10 surfacing simultaneously.
The strengthening of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device and the active force of method to workpiece are about 400N, lower by more than 20% than person of outstanding talent's gram energy metal surface processing, can ensure machining accuracy and the stability of lathe.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (3)
1. an Electricity Contact Heating assisting ultrasonic vibration surface strengthening and finishing processing device, comprise brush, main shaft, wire, arc-control device, power supply, ultrasonic generator, workpiece and chuck, it is characterized in that, the cutter head of described ultrasonic generator, power supply, arc-control device, be enclosed within the brush on main shaft, main shaft, chuck and workpiece are composed in series a galvanic circle successively, utilize the electric current produced in galvanic circle, make the material producing green coke of surface of the work and insert contacts part have burning ears instantaneous intensification soften, skin processing is realized in conjunction with ultrasonic vibration, surface peening, refined crystalline strengthening and elimination residual stress, described ultrasonic generator comprises supersonic generator, supersonic generator is connected with ultrasonic transducer, ultrasonic transducer is connected with ultrasonic transformer, ultrasonic transformer front end is provided with cutter head, cutter head contacts with surface of the work, cutter head is also connected with power supply by wire.
2. a kind of Electricity Contact Heating assisting ultrasonic vibration surface strengthening as claimed in claim 1 and finishing processing device, it is characterized in that, described power supply is low-voltage dc power supply.
3. utilize a processing method for the strengthening of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device, it is characterized in that, comprising:
1) brush is installed on lathe spindle;
2) connect brush, arc-control device, power supply and cutter head successively with wire, make it between brush-arc-control device-low-voltage dc power supply-cutter head-workpiece-chuck-main shaft-brush, form galvanic circle;
3) utilize the low-voltage, high-current in loop, make the material producing green coke of surface of the work and insert contacts part have burning ears instantaneous intensification soften;
4) on cutter head, apply ultrasonic vibration along workpiece radial direction simultaneously, cutter head is made to impact surface of the work with supersonic frequency, produce ultrasonic vibration percussion on the surface of the workpiece, and utilize the thermoplastic feature of metal electrical contact, surface of the work is strengthened and miniature deformation process, complete the intensive treatment to surface of the work and skin processing, improve workpiece surface quality, reduce surface roughness, eliminate surface residual stress, refined crystalline strengthening effect can also be played to surface of the work material simultaneously.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310482245.8A CN103481015B (en) | 2013-10-15 | 2013-10-15 | The strengthening of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310482245.8A CN103481015B (en) | 2013-10-15 | 2013-10-15 | The strengthening of Electricity Contact Heating assisting ultrasonic vibration surface and finishing processing device and method |
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| CN103481015A CN103481015A (en) | 2014-01-01 |
| CN103481015B true CN103481015B (en) | 2016-04-06 |
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| CN104846155B (en) * | 2014-01-06 | 2017-04-05 | 天津大学 | The method being processed using ultrasonic impact and electric spark complex machining device |
| CN104862454B (en) * | 2015-05-22 | 2018-03-20 | 华中科技大学 | A kind of high hardness material surface treatment method and device |
| CN105057972A (en) * | 2015-07-22 | 2015-11-18 | 苏州市鑫渭阀门有限公司 | Valve element surface high-frequency pulse extrusion process |
| CN105506535A (en) * | 2016-01-15 | 2016-04-20 | 江西理工大学 | Spray coating coupling post-processing method |
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| CN108555103A (en) * | 2018-01-09 | 2018-09-21 | 南京航空航天大学 | Collaboration hinders electrically heated plank independent increment rotary pressing moulding device and method certainly |
| CN109954782A (en) * | 2018-01-09 | 2019-07-02 | 南京航空航天大学 | Plate part shapes spinning apparatus and method from the Synchronous Heating for hindering electric heat mode |
| CN108500109A (en) * | 2018-03-12 | 2018-09-07 | 南京航空航天大学 | Based on the special piece spin forming method from resistance Electric heating |
| CN109759775B (en) * | 2018-12-28 | 2023-10-20 | 中国地质大学（北京） | Ultrasonic cold forging device for inner and outer walls of aluminum alloy drill rod |
| CN109773260A (en) * | 2019-03-22 | 2019-05-21 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Acoustic-electric cooperates with cutting apparatus and acoustic-electric to cooperate with cutting system |
| CN111360147B (en) * | 2020-04-14 | 2021-07-09 | 太原理工大学 | Ultrasonic energy field device for improving surface quality of precision foil |
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| CN203110021U (en) * | 2013-02-01 | 2013-08-07 | 哈尔滨理工大学 | Laser heating and supersonic vibration composite auxiliary milling device |
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| CN203541958U (en) * | 2013-10-15 | 2014-04-16 | 山东大学 | Electrical contact heating auxiliary supersonic vibration surface strengthening and finishing processing device |
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Patent Citations (4)
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| CN2256790Y (en) * | 1995-03-29 | 1997-06-25 | 山东工业大学 | Ultrasonic vibration-pulse discharging composite working machine |
| CN100999057A (en) * | 2006-12-30 | 2007-07-18 | 浙江大学 | Integral production method of material removing and ultrasonic surface processing |
| DE102009023060A1 (en) * | 2009-05-28 | 2010-12-02 | Mtu Aero Engines Gmbh | Method and device for surface hardening of a component which consists of an intermetallic compound at least in the region of its surface to be solidified |
| CN203110021U (en) * | 2013-02-01 | 2013-08-07 | 哈尔滨理工大学 | Laser heating and supersonic vibration composite auxiliary milling device |
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