CN2463394Y - Transient electric energy surface hardening and surface alloying device - Google Patents
Transient electric energy surface hardening and surface alloying device Download PDFInfo
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- CN2463394Y CN2463394Y CN 00226264 CN00226264U CN2463394Y CN 2463394 Y CN2463394 Y CN 2463394Y CN 00226264 CN00226264 CN 00226264 CN 00226264 U CN00226264 U CN 00226264U CN 2463394 Y CN2463394 Y CN 2463394Y
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- electrode
- utility
- circuit
- hardening
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Abstract
The utility model relates to a transient electric energy metal surface hardening and surface alloying device, which is a new metal surface processing device. The utility model utilizes transient electrical energy when an eletrode discharges for heating the metal surface is cooled; thereby, the discrete hardening and the alloying of the surface of a metal part can be realized. The utility model is characterized in that the utility model is composed of a charging and a discharging circuits composed of a traditional rectification circuit, a traditional switching resistor and a capacitor, an electrode, a sub frequency vibrating circuit for electrode vibration and a simple cooling system. In order to realize the goal of the hardening and the alloying of the metal surface, electrode materials used for various different applications can be provided. The efficiency and the reliability both can be increased; the processing speed is 6 cm< 2 >/min.
Description
The utility model relates to a kind of metallic surface processing units, is a kind of transient electric-energy hard surfacing and surface alloying device, has to be quenched and the function of alloying in the metallic surface.Mainly by rectifying circuit, charge and discharge circuit, power frequency vibration circuit and simple cooling system and constitute, be used to improve the hardness of metallic surface.
At present, have several different methods can improve the hardness of metallic surface, increasing the abrasion resistance properties on working metal surface, 1, adopt heating refrigerative method: heated components integral body reaches more than the transformation temperature, cooling is fast then carried out martensitic transformation and is reached the purpose that improves hardness.The defective of this method need usually to be heated components in electric furnace or salt bath, easily causes part deformation even cracking in the quenching, and piece surface produces tangible oxidation and decarburization phenomenon, and has bigger residual tension, and power consumption is high, and the cycle is long; 2, all can carry out surface strengthening with methods such as induction heating, electron beam heating, flame heating, PVD, but cost is too high; 3, also can carry out metal surface enhancedly with chemical heat treatment method, but raw materials consumption is many, the cycle is long, power consumption is high, easily causes environmental pollution again; 4, it is obvious inadequately to adopt bead blasted surfaces to handle strengthening effect.
For fear of the deficiencies in the prior art part, the utility model proposes transient electric-energy hard surfacing and surface alloying device.It is cooling fast naturally after the transient electric-energy heating of metal local surfaces when utilizing electrode discharge, realizes quenching to parts surface is discrete.Utilize the thermal conductivity of metal, workpiece is not heated part can absorb the heat that the part is heated part, makes it quick cold quenching.Chemical element in the electrode under the ticker energy with 10 of common high temperature Elements Diffusion speed
20Doubly enter fast and desire the metallic cementation surface, realize surface alloying.
Technological thought of the present utility model is: transient electric-energy hard surfacing and surface alloying device by rectifying circuit, electrode, and simple cooling system constitute, it is characterized in that: the charge-discharge circuit that the charge-discharge circuit between rectifying circuit and the electrode adopts changeable resistance and electric capacity to form, delete complicated charging thyristor gating circuit, discharging thyristor triggering circuit, made circuit oversimplify; Simultaneously, also delete the electrode pressurizing device, on electrode, designed the sub-power frequency vibration circuit of electrode vibration.Therefore, its reliability and working efficiency are greatly enhanced.Surface treatment speed is 6cm
2/ min.
When carrying out the metallic surface quenching, electrode materials can be selected for use according to processing object: Graphite Electrodes, SiC, MoSi
2And LaCrO
3Electrode and Wimet electrode.
When carrying out metal surface alloy, electrode materials can be selected for use according to different purposes: babbitting, MoS
2Electrode, berylliumbronze electrode and Graphite Electrodes; Ferrous metal oozes that elements such as Ti, Cr, Ni, Mo, V, Mn, W, Zr, Cu, Co, Ta, Rh, Au, Pt, Ag need adopt these elements respectively or is the electrode of the sosoloid of base with these elements, these chemical elements under the ticker energy with 10 of common high temperature Elements Diffusion speed
20Enter fast doubly and desire the metallic cementation surface, reach the surface alloying purpose.
Description of drawings: Fig. 1: functional block diagram Fig. 2: embodiment synoptic diagram
1-transformer 2-rectification 3-charge-discharge circuit 4-electrode oscillator 5-electrode 6-cooling system 7-machined electrode 8-workpiece
The utility model will be in conjunction with the embodiments (accompanying drawing) be further described:
The primary winding voltage is 220V, and two alternative voltages are arranged after the secondary winding step-down.Charge-discharge circuit adopts changeable resistance and electric capacity to form, by R
2, R
3, R
4, R
5And C
2, C
3, C
4Form, select R
2=100 Ω, R
3=200 Ω, R
4=400 Ω, R
5=1k Ω selects C
2=100 μ f, C
3,=300 μ f C
4=500 μ f.According to user demand, by 5 group selection switches to R
2, R
3, R
4, R
5And C
2, C
3, C
4Carry out appropriate combination.The sub-power frequency vibration circuit of electrode vibration is by R
1, R
6, C
5=700 μ f, contact KU
10, U
9Form contact KU
10, U
9The coil control electrode is with 50 hertz of vibrations.KU
10Pilot circuit is by U
2, U
10, capacitor C
5, D
1Form.Behind power connection, through U
1The voltage of rectification is to the charge-discharge circuit charging of R and C combination, and contacts with workpiece through electrode and to spark.The sub-power frequency vibration circuit of electrode vibration control electrode makes its frequency with 50 hertz frequently contact with workpiece, to realize the quenching and the surface alloying of metallic surface.
Application Example 1: with No. 45 billets, through normalizing rear surface hardness is HV190～240, adopts the surface hardness after Graphite Electrodes is handled to bring up to HV480～560, and depth of hardening is 0.5mm, C, N element are infiltrated in the surface, and wherein surface carbon content reaches the level of No. 60 steel.
Application Example 2: the surface hardness after the ironcasting mechanical workout is HB228, and the result who adopts Graphite Electrodes to handle makes workpiece surface infiltrate the N element, and surface hardness is brought up to HB567, the dark 0.4mm of quenching hard formation.
The utility model advantage compared to existing technology is:
Equipment is simple, and reliability and operating efficiency are greatly enhanced. Surface treatment speed is 6cm2/min。
Claims (3)
1, a kind of transient electric-energy hard surfacing and surface alloying device, by rectifying circuit (2), electrode (5), and cooling system (6) constitute, it is characterized in that: the charge-discharge circuit (3) between rectifying circuit (2) and the electrode (5) adopts the charge-discharge circuit of changeable resistance and electric capacity composition; Electrode (5) adopts the sub-power frequency vibration circuit of electrode vibration (4).
2, transient electric-energy hard surfacing as claimed in claim 1 and surface alloying device is characterized in that: charge-discharge circuit adopts changeable resistance and electric capacity to form, by R
2, R
3, R
4, R
5Can select parallel-connection structure and C
2, C
3, C
4Can select parallel-connection structure to form; R
3Connect R with a switch
4, R
5C is connected with a switch in back in parallel
2, C
3, C
4Each is connected with a switch respectively.
3, transient electric-energy hard surfacing as claimed in claim 1 and surface alloying device is characterized in that: the sub-power frequency vibration circuit of electrode vibration (4) is by R
1, R
6, C
5, contact KU
10, U
9Form contact KU
10, U
9The coil control electrode is with 50 hertz of vibrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00226264 CN2463394Y (en) | 2000-04-10 | 2000-04-10 | Transient electric energy surface hardening and surface alloying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00226264 CN2463394Y (en) | 2000-04-10 | 2000-04-10 | Transient electric energy surface hardening and surface alloying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2463394Y true CN2463394Y (en) | 2001-12-05 |
Family
ID=33590145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00226264 Expired - Fee Related CN2463394Y (en) | 2000-04-10 | 2000-04-10 | Transient electric energy surface hardening and surface alloying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2463394Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102653818A (en) * | 2012-04-26 | 2012-09-05 | 太仓市弧螺机电有限公司 | Work-piece surface strengthening device |
| CN104411840A (en) * | 2012-02-15 | 2015-03-11 | 长寿工程公司 | Localized hardening of metallic surfaces |
| CN105763852A (en) * | 2016-04-06 | 2016-07-13 | 华东师范大学 | Wireless high-definition video real-time transmission method and device |
-
2000
- 2000-04-10 CN CN 00226264 patent/CN2463394Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411840A (en) * | 2012-02-15 | 2015-03-11 | 长寿工程公司 | Localized hardening of metallic surfaces |
| CN102653818A (en) * | 2012-04-26 | 2012-09-05 | 太仓市弧螺机电有限公司 | Work-piece surface strengthening device |
| CN105763852A (en) * | 2016-04-06 | 2016-07-13 | 华东师范大学 | Wireless high-definition video real-time transmission method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |