CN108517391A - A kind of small deformation quenching technical of the linear guide - Google Patents
A kind of small deformation quenching technical of the linear guide Download PDFInfo
- Publication number
- CN108517391A CN108517391A CN201810738471.0A CN201810738471A CN108517391A CN 108517391 A CN108517391 A CN 108517391A CN 201810738471 A CN201810738471 A CN 201810738471A CN 108517391 A CN108517391 A CN 108517391A
- Authority
- CN
- China
- Prior art keywords
- quenching
- guide rail
- roller
- deformation
- inducer
- Prior art date
Links
- 238000010791 quenching Methods 0.000 title claims abstract description 100
- 230000000171 quenching Effects 0.000 title claims abstract description 100
- 238000000034 methods Methods 0.000 claims abstract description 27
- 239000000411 inducers Substances 0.000 claims abstract description 25
- 238000006073 displacement reactions Methods 0.000 claims description 11
- 238000004904 shortening Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 239000010410 layers Substances 0.000 description 5
- 230000001939 inductive effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering processes Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- 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 BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
- C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
-
- 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 BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- 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 BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
-
- 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 BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
- C21D11/00—Process control or regulation for heat treatments
-
- 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 BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
-
- 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 BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
Description
Technical field：
The present invention relates to a kind of small deformation quenching technicals of the linear guide.
Background technology：
The linear guide is used primarily in high-grade, digitally controlled machine tools and other high precision apparatus as a kind of important Rolling Components Motion positions and guiding.General high rigidity, the high-wearing feature quenching that guide rail both sides raceway region is realized using induction hardening method Hardened layer requirement.Since the length and sectional area ratio of round guide are big, quenching hardness is high, easily generates up and down（Y-axis）Deformation is with before Afterwards（Z axis）Deformation, and as quenching process deforms, the asymmetry of guide rail both sides raceway laser quenching hardened layer is caused, quench planted agent Power is asymmetric, when the asymmetry of guide rail deflection, laser quenching hardened layer is larger, using aligning method also can not full correction, from And it causes to scrap.
Invention content：
The present invention is to provide a kind of small deformation quenching technical of the linear guide to solve the above-mentioned problems of the prior art.
The technical solution adopted in the present invention has：A kind of small deformation quenching technical of the linear guide, including:
1) several limit deformation units are arranged in the both sides of quenching inducer in quenching machine, and each deformation unit that limits includes four Roller（11）, four rollers are above and below respectively one group, and forward and backward is one group, the roller position of the downside and the roller position of rear side It sets and fixes, the roller of upside is fixedly connected with the cylinder axis of cylinder, the roller of front side and the adjusting lead screw with revolution meter It is connected；
2）Before quenching, the distance between upper and lower roller and the distance between forward and backward roller in each limit deformation unit are adjusted, So that the height and width of the distance between the distance between upper and lower roller and forward and backward roller to should be greater than guide rail, by guide rail Using in the push rod push-in quenching inducer and limit deformation unit of quenching machine；
3）It adjusts the front side and adjusts lead screw, and the roller of front side is contradicted on the front end face of guide rail, and so that before and after guide rail Position is fixed, is compressed, and adjusts the upside cylinder stroke, and the roller of upside is contradicted on the upper surface of guide rail, and make Guide rail upper and lower position compresses；
4）In the front and rear sides of guide rail, displacement sensor gauge head, the digital control system of displacement sensor gauge head and quenching machine are set It is connected；
5）Adjust the quenching inducer position forward and backward in guide rail by the digital control system of quenching machine, ensure quenching inducer with Guide rail front and rear sides gap it is relatively uniform；
6）Quenching inducer is in guide rail quenching process, upper and lower, front and rear four of the limit deformation unit limitation guide rail in quenching process The deformation in a direction makes guide rail can only elongating or shortening in arranged on left and right sides direction；
7）For guide rail in quenching process before and after direction micro-deformation, guide rail is monitored using displacement sensor gauge head in real time and is existed The front and rear direction change in location of quenching process, and the digital control system of quenching machine is fed back to, real-time adjust automatically quenching inducer Coil front and rear direction position, the gap of the coil and guide rail that ensure quenching inducer is relatively uniform, to before ensureing guide rail, Rear direction hardening depth is relatively uniform, and by quenching the relatively uniform of the guide rail front and rear direction internal stress generated, with Front and rear direction micro-deformation of this control guide rail in quenching process.
The present invention has the advantages that：
1）In quenching, roller set is deformed using the special limit of several groups of position adjustables, with certain pressure extrusion in the upper of guide rail Below（Y-axis）, front-back（Z axis）, straight limit guide rail is above and below quenching process（Y-axis）It is Direction distortion, front and back（Z axis）Direction Deformation makes it can only be in left and right（X-axis）Direction elongation is shortened.
2）For the linear guide before and after quenching process（Z axis）Direction micro-deformation, it is real using displacement sensor gauge head When monitoring the linear guide before and after quenching process（Z axis）Direction change in location, feeds back to digital control system, and real-time adjust automatically is led Before and after rail quenching inducer coil（Z axis）Direction position ensures that the gap of guide rail quenching inducer coil and guide rail is relatively uniform, Before and after ensureing guide rail（Z axis）Direction hardening depth is relatively uniform, and before and after the guide rail by quenching generation（Z axis） Direction internal stress it is relatively uniform, the linear guide is controlled before and after quenching process with this（Z axis）Direction micro-deformation.
Description of the drawings：
Fig. 1 is the tomograph that deformation unit is limited in the present invention.
Fig. 2 is the plane structure chart that deformation unit is limited in the present invention.
Fig. 3 is structure chart of the linear guide in quenching machine in quenching inducer.
In figure：
Y direction be upper and lower described in the specification to；
Z-direction is front and rear direction described in the specification.
Specific implementation mode：
The present invention will be further described below with reference to the drawings.
Such as Fig. 1 to Fig. 3, a kind of small deformation quenching technical of the linear guide of the present invention, which is directed to the linear guide length With sectional area than big, quenching hardness is high, and internal stress is asymmetric, the case where being easily deformed, including：
1) several limit deformation units are arranged in the both sides of quenching inducer in quenching machine, and each deformation unit that limits includes four Roller 11, four rollers 11 are above and below respectively one group, and forward and backward is one group, and the roller position of downside and the roller position of rear side are equal Fixed, the roller of upside is fixedly connected with the cylinder axis of cylinder, and the roller of front side is connected with the adjusting lead screw with revolution meter； （The adjusting lead screw with revolution meter in the present invention is existing structure, adjusts the connection between lead screw and the roller seat of roller Structure is the conventional means of the prior art, therefore the present invention is not described in detail）.
2）Before quenching, adjust in each limit deformation unit between the distance between upper and lower roller and forward and backward roller away from From so that the height and width of the distance between upper and lower roller and the distance between forward and backward roller to should be greater than guide rail are adopted It will be in guide rail push-in quenching inducer 2 and limit deformation unit with the push rod of quenching machine.
3）Adjustment front side adjusts lead screw, and the roller of front side is contradicted on the front end face of guide rail, and so that before and after guide rail Position is fixed, is compressed, adjustment upside cylinder stroke, and the roller of upside is contradicted on the upper surface of guide rail, and makes guide rail Upper and lower position, compression.
4）In the front and rear sides setting displacement sensor gauge head 3 of guide rail, the numerical control of displacement sensor gauge head and quenching machine System is connected；The displacement sensor gauge head 3 of forward and backward position is adjusted, guide rail trailing flank is compressed, in digital control system, by its position Value is set as gauge head with respect to origin elongation L, and Deformation control is required 0.3mm, is set as gauge head elongation alarming value（L-0.3, L+ 0.3）.
5）The position forward and backward in guide rail of quenching inducer 2 is adjusted by the digital control system of quenching machine, ensures quenching induction Device is relatively uniform with guide rail front and rear sides gap.
6）Quenching inducer in guide rail quenching process, limit deformation unit limitation guide rail in the upper and lower, preceding of quenching process and The deformation of four direction afterwards makes guide rail can only elongating or shortening in arranged on left and right sides direction.
7）For guide rail in quenching process before and after direction micro-deformation, using displacement sensor gauge head, monitoring is led in real time Rail and feeds back to the digital control system of quenching machine in the front and rear direction change in location of quenching process, real-time adjust automatically quenching sense The coil front and rear direction position of device is answered, the gap of the coil and guide rail that ensure quenching inducer is relatively uniform, to ensure guide rail Front and rear direction hardening depth is relatively uniform, and opposite one by quenching the guide rail front and rear direction internal stress generated Cause, with this control guide rail quenching process front and rear direction micro-deformation.
Initial workpiece quenching is sliced（20mm thickness is cut in optional position, longitudinal cross-section）, carry out guide rail raceway laser quenching hardened layer Depth, hardness test.Guide rail quenching distortion is checked.
According to guide rail both sides raceway hardening depth consistency（General requirement≤0.3mm）, adjust quenching inducer Front and back position, to adjust L values；According to guide rail quenching distortion value, roller set pressing force is adjusted.Initial workpiece quenching, quality are carried out again Detection, until meeting hardening depth consistency, the requirement of quenching distortion value.Batch is carried out according to initial workpiece quenching process parameters Guide rail continuous quenching produces, in the process 1 inspection deflection of every 10 sampling observations, and every 40 are taken out 1 progress raceway laser quenching hardened layer Depth consistency inspection ensures batch quenching process quality stability.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art It for member, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as the present invention's Protection domain.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738471.0A CN108517391A (en) | 2018-07-06 | 2018-07-06 | A kind of small deformation quenching technical of the linear guide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738471.0A CN108517391A (en) | 2018-07-06 | 2018-07-06 | A kind of small deformation quenching technical of the linear guide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108517391A true CN108517391A (en) | 2018-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810738471.0A CN108517391A (en) | 2018-07-06 | 2018-07-06 | A kind of small deformation quenching technical of the linear guide |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816900A (en) * | 2012-08-03 | 2012-12-12 | 鞍钢重型机械有限责任公司 | Follow-up intermediate-frequency inductor |
| CN202808881U (en) * | 2012-08-03 | 2013-03-20 | 鞍钢重型机械有限责任公司 | Follow-up intermediate-frequency inductor |
| CN103014293A (en) * | 2012-12-20 | 2013-04-03 | 中联重科股份有限公司 | Positioning device and induction hardening equipment for straight round pipe fitting |
| CN103589832A (en) * | 2013-11-04 | 2014-02-19 | 镇江市天祥精密机电有限公司 | Quenching machine tool capable of preventing bending deformation of slender rod piece during quenching |
| CN105506240A (en) * | 2014-09-22 | 2016-04-20 | 聊城鑫泰机床有限公司 | Self-propelled bed body quenching equipment |
| CN108018407A (en) * | 2016-11-04 | 2018-05-11 | 十堰深思科技有限公司 | A kind of full-automatic overall pulse induction heating quenching lathe of automobile axle shaft |
-
2018
- 2018-07-06 CN CN201810738471.0A patent/CN108517391A/en not_active Application Discontinuation
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102816900A (en) * | 2012-08-03 | 2012-12-12 | 鞍钢重型机械有限责任公司 | Follow-up intermediate-frequency inductor |
| CN202808881U (en) * | 2012-08-03 | 2013-03-20 | 鞍钢重型机械有限责任公司 | Follow-up intermediate-frequency inductor |
| CN103014293A (en) * | 2012-12-20 | 2013-04-03 | 中联重科股份有限公司 | Positioning device and induction hardening equipment for straight round pipe fitting |
| CN103589832A (en) * | 2013-11-04 | 2014-02-19 | 镇江市天祥精密机电有限公司 | Quenching machine tool capable of preventing bending deformation of slender rod piece during quenching |
| CN105506240A (en) * | 2014-09-22 | 2016-04-20 | 聊城鑫泰机床有限公司 | Self-propelled bed body quenching equipment |
| CN108018407A (en) * | 2016-11-04 | 2018-05-11 | 十堰深思科技有限公司 | A kind of full-automatic overall pulse induction heating quenching lathe of automobile axle shaft |
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Application publication date: 20180911 |
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