CN103261449A - 加热设备 - Google Patents
加热设备 Download PDFInfo
- Publication number
- CN103261449A CN103261449A CN2011800605827A CN201180060582A CN103261449A CN 103261449 A CN103261449 A CN 103261449A CN 2011800605827 A CN2011800605827 A CN 2011800605827A CN 201180060582 A CN201180060582 A CN 201180060582A CN 103261449 A CN103261449 A CN 103261449A
- Authority
- CN
- China
- Prior art keywords
- ruhmkorff coil
- heating
- outside
- cam
- heated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 68
- 230000005291 magnetic effect Effects 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims description 32
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 7
- 239000012778 molding material Substances 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract description 9
- 229910052742 iron Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 229920006258 high performance thermoplastic Polymers 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005496 tempering Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 241000353097 Molva molva Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/40—Establishing desired heat distribution, e.g. to heat particular parts of workpieces
-
- 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
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/34—Methods of heating
- C21D1/42—Induction heating
-
- 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
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
- B23P11/02—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits
- B23P11/025—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for by first expanding and then shrinking or vice versa, e.g. by using pressure fluids; by making force fits by using heat or cold
-
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/30—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for crankshafts; for camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D11/00—Arrangement of elements for electric heating in or on furnaces
- F27D11/06—Induction heating, i.e. in which the material being heated, or its container or elements embodied therein, form the secondary of a transformer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/365—Coil arrangements using supplementary conductive or ferromagnetic pieces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/38—Coil arrangements specially adapted for fitting into hollow spaces of workpieces
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/42—Cooling of coils
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
- H05B6/44—Coil arrangements having more than one coil or coil segment
-
- 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
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/02—Camshafts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B4/00—Shrinkage connections, e.g. assembled with the parts at different temperature; Force fits; Non-releasable friction-grip fastenings
- F16B4/006—Shrinkage connections, e.g. assembled with the parts being at different temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/10—Force connections, e.g. clamping
- F16C2226/14—Force connections, e.g. clamping by shrink fit, i.e. heating and shrinking part to allow assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
- F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
- F16H53/025—Single-track cams for single-revolution cycles; Camshafts with such cams characterised by their construction, e.g. assembling or manufacturing features
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49229—Prime mover or fluid pump making
- Y10T29/49293—Camshaft making
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
- Y10T29/49863—Assembling or joining with prestressing of part
- Y10T29/49865—Assembling or joining with prestressing of part by temperature differential [e.g., shrink fit]
Abstract
本发明涉及一种用于加热特别是非圆形的空心构件(2)的加热设备(1),其具有:至少一个穿入待加热的所述构件(2)的内部的感应线圈(3)和/或围绕待加热的构件(2)的外部的感应线圈(4);至少一个元件(5,5’),所述元件影响在所述加热设备(1)工作期间在所述内部的和外部的感应线圈(3、4)之间形成的磁场,并且在待加热的构件(2)的那些比剩余区域更快地变热的区域中,所述元件定位在所述内部的和外部的感应线圈(3、4)之间并且由此所述元件减弱在该区域中的磁场,和/或在待加热的构件(2)的那些比剩余区域更慢地变热的区域中,所述元件定位在所述内部的感应线圈(3)之内和/或在所述外部的感应线圈(4)之外并且由此所述元件增强在该区域中的磁场,由此能够实现相对均匀的加热。以这种方式,能够特别实现均匀地加热用于接合到凸轮轴上的凸轮。
Description
技术领域
本发明涉及一种用于加热特别是非圆形的空心构件的加热设备。本发明还涉及一种利用这种加热设备加热凸轮的方法,以用作随后接合过程的准备。
背景技术
凸轮到凸轮轴热接合是一个彻底已知的制造过程,所述过程已经被测试了很长时间,但是由于非圆的凸轮几何形状反复地制造困难。在凸轮的特别是感应加热期间,在这些薄的区域,即例如在基圆的区域被加热得明显更迅速和明显更高于在最大凸轮高度的区域,这可能会导致一个非圆接合和加热的凸轮特别大的变形。这总是导致在基圆上更高的温度或更大的扩展,但由此造成的硬度下降,这能够导致在更高硬度情况下的完成凸轮的问题。众所周知,凸轮是不对称构件,其利用从现有技术中已知作为加热设备的以前的对称线圈仅仅能够不均匀的,即非匀称地加热。另外,可以采用适应相应的凸轮的非对称形线圈,但这是昂贵的。
发明内容
本发明解决的问题是,提供一种用于加热特别是非圆形的空心构件、例如凸轮的加热设备,利用该设备可以避免从现有技术中已知的缺点。
根据本发明,这个问题是通过独立权利要求的主题解决。有利的实施例是从属权利要求的主题。
本发明是基于如下总思路,依据厚度加热非对称构件的并且因此均匀地加热,其中用于加热非圆形的空心的构件,例如凸轮的加热设备配有至少一个穿入待加热的所述构件的内部的感应线圈和/或围绕待加热的构件的外部的感应线圈,并且其中在待加热的构件的那些比剩余区域更快地变热的区域中,例如应为它们是更薄的,影响在所述加热设备工作期间所形成的磁场的至少一个元件定位在所述内部/外部的感应线圈和所述待加热的构件之间,和/或其中在待加热的构件的那些比剩余区域更慢地变热的区域中,例如应为它们是更厚的,这样的元件定位在所述内部的感应线圈之内和/或所述外部的感应线圈之外,所述元件减弱或增强在该区域中的磁场并且因此可以实现均匀地加热非圆的构件。因此,内部的或外部的感应线圈或者附加的内部的以及外部的感应线圈能够选择地设置,其中,在每一种情况下在内部的和外部的感应线圈和/或在内部的感应线圈之内和/或在外部的感应线圈之外能够设置有至少一个元件(屏蔽/强化元件)。利用所述至少一个元件,因此能够屏蔽能更快变热的区域,或强化在更慢变热区域中的磁场,并且由此实现特别均匀加热所述构件。与均匀加热所述构件,也就是例如凸轮相关联地,在随后的与凸轮轴的热接合期间能够实现圆形的接合部,由此,能够提高热接合的质量。除此之外,待加热的构件作为整体被更弱地加热,特别是在屏蔽区域中,这例如在所述构件形成为凸轮时导致一个显著低的回火效果,从而硬度下降。因此利用根据本发明的加热设备,可以实现与凸轮的区域无关优选地完全均匀加热的凸轮。根据本发明的加热设备的主要优点特别是,不需要复杂和昂贵的成形的线圈,但能够使用易于缠绕的感应线圈。
在根据本发明的一个有利的进一步解决方案中,所述至少一个元件特别是电动地,气动地或液压地可调节。这样的可调节元件,一方面有利于加热过程,因为它能够在例如仅当待加热的构件已经被放置在加热设备中时才被移动到位。同时,也可以想到,该元件是以如下方式形成,使得它在加热过程中是可调节的,由此在加热过程中,通过调节所述元件单独地影响加热过程,并由此影响在待加热的构件内的温度分布。
实际上,该元件由铜或铝形成或者由具有嵌入有软铁零件的塑料形成。铜和铝是良好的导热和导电材料,同时可以想到使用是同样良好的导热和导电材料的其他材料用于所述元件。对于塑料的解决方案,特别是具有均匀的填充物与软铁颗粒的高性能热塑性塑料是可能的,借助于其可以局部屏蔽或者局部集中磁场。在这种情况下,可以采用特别是在从3kHz到3MHz的频率范围内并导磁率在7和120mμ之间的这种强磁性塑料。由于软铁颗粒在塑料基体中的均匀分布,此外优选地实现优选各向同性的磁特性。
在根据本发明的解决方案的另一个有利的实施例中,所述外部的感应线圈和/或所述内部的感应线圈被嵌入铸模材料中,其中,所述外部的感应线圈,所述内部的感应线圈,特别是所述相关的铸模材料和/或所述至少一个元件能够被冷却。根据本发明的加热设备的单独构件的单独冷却可以控制成以满足要求,由此特别地能够单独影响待加热的构件的温度。同时,这样冷却的构件可以使得与待加热构件的数量无关地进行均匀地加热过程,由此可以实现连续的高品质的生产。
本发明的其他的重要的特征和优点从从属权利要求,从附图以及从借助于附图的相关图描述中获得。
但是应当理解的是,在不脱离本发明的范围的情况下,上述的并且在下文中仍将进行解释的特征能够不仅用于所述的相应组合中而且用于其他组合中或者单独使用。
本发明的优选的示例性实施例在附图中示出,并且在下面的描述中更详细地进行说明,其中相同的附图标记表示相同或相似的或功能相同的构件。
附图说明
在附图中,分别示意性地示出:
图1示出根据本发明的用于加热特别是非圆形的空心构件的加热设备,
图2a示出通过根据本发明的加热设备进行加热的凸轮,
图2b示出借助于常规加热设备进行加热的凸轮。
具体实施形式
根据图1,根据本发明的加热设备1用于加热不对称的,特别是非圆形的空心构件2,例如凸轮,所述加热设备包括至少一个穿入待加热的所述构件2的内部的感应线圈3和/或包括围绕待加热的构件2的外部的感应线圈4。附加地,根据本发明的加热设备1包括至少一个元件5,所述元件在待加热的构件2的如下区域中被定位在各个感应线圈3,4和待加热的构件2之间,所述区域与剩余的区域相比被更快速地加热,例如因为它们是更薄的。根据本发明,所述至少一个元件5被定位在内部/外部感应线圈3,4和构件2之间,并且在过程中减弱在加热设备1工作期间在内部的感应线圈3和/或外部的感应线圈4之间的这个区域中产生的磁场。因为这个原因,相对均匀地加热构件2,也就是例如相对均匀地加热凸轮是可行的,因此能够在待加热的构件2中获得具有很小的变形的特别均匀的接合。
对此附加地或可替选地,对在加热设备1工作期间产生的磁场产生影响的元件5’能够被定位在待加热的构件2的如下区域中,所述区域与剩余的区域相比被更缓慢地加热,例如因为它们是更厚的,在内部的感应线圈3之内和/或在外部的感应线圈4之外,并且因为这个原因加强了这个区域中的磁场,因此能够同样地获得相对均匀的加热。元件5’因此作用为聚能器,所述聚能器加强了这个区域中的磁场,并且因为这个原因加强了加热。
如已经提到的,待加热的构件2例如能够是用于凸轮轴的凸轮,其中根据图1的外部的感应线圈4被嵌入铸模材料6中。内部的感应线圈3明显也能够以同样的方式被嵌入到这样的铸模材料中。除此之外,可以想到的是,外部的感应线圈4,内部的感应线圈3,特别是它的铸模材料6,和/或至少一个元件5,5’能够被冷却。
为了单独地对加热过程产生影响,至少一个元件5,5’能够被附加地调节,例如电调节、气动调节或者液压调节。如从图1显而易见的,根据本发明的元件5具有通道状的形状,并且因为这个原因特别屏蔽待加热的构件2的基圆7(见图2a,b)。元件5,5’也能够由铜或铝形成,但是在所有的情况下都应当具有良好的导热性和导电性。一般而言,元件5,5’也能够由具有嵌入有软铁零件的塑料形成,其中在这种情况下特别能够考虑通过均匀的填充具有软铁颗粒的高性能热塑性塑料,借助于所述高性能热塑性塑料,局部地屏蔽或者局部地集中磁场是可行的。这样的铁磁塑料能够在宽泛的频率范围和磁导率中使用,并且因为软铁颗粒在塑料基体中的均匀的分布,附加地获得各向同性的磁特性。所提到的塑料不仅能够有成本效益地生产而且还能够容易地制造,特别是通过切割并且不需要后续的研磨返工,并且能够以近乎任意形状被铸造/注塑在适当的模具中。
考虑到图2a与图2b相比,在图2a中显而易见的是,能够观察到待加热的构件2的圆周上方的明显更小的温度差,所述构件在这种情况下成形为凸轮。在图2b中,凸轮突出部8例如与基圆7相比具有明显更低的温度,所述基圆伴随有明显更大的变形。为了能够将根据图2b的凸轮突出部8提高到如图2a中的温度水平,基圆7可能需要被明显更高地加热,然而所述基圆可能伴随有回火,并且因此伴随有所不期望的硬度下降。
通过根据本发明的加热设备1,凸轮因此能够相对均匀地被加热,也就是匀称地被加热,因此特别能够简化和改善未在下文中示出的到凸轮轴的接合过程,但是无论如何能够避免通过过度加热使基圆7上的所不期望的硬度的下降。元件5,5’,例如成形为屏蔽板/增强板,在这种情况下屏蔽基圆7和/或加强凸轮突出部8的区域中的磁场,以至于基圆7因此明显更小强度地加热而凸轮突出部8明显更高强度地加热。在这种情况下凸轮的均匀的加热例如能够经由相应的硬度曲线或者相应的回火颜色来显示。
利用根据本发明的元件5,5’,产生加热的磁场能够被屏蔽或加强,因此加热过程是可精确控制的,并且特别是使得凸轮到凸轮轴的高质量的接合成为可能。此外特别有利的是,通过简单地使用不同的元件5,5’,不需要对感应线圈3,4进行任何改变,加热设备1就能够容易地适合于改变待加热的构件2例如凸轮的构件几何形状。
Claims (9)
1.一种用于加热特别是非圆形的空心构件(2)的加热设备(1),具有:
-至少一个穿入待加热的所述构件(2)的内部的感应线圈(3)和/或围绕待加热的构件(2)的外部的感应线圈(4),
-至少一个元件(5,5’),所述元件在所述加热设备(1)工作期间影响在所述内部的和外部的感应线圈(3、4)之间形成的磁场,
-在待加热的构件(2)的那些比剩余区域更快地变热的区域中,例如因为它们是更薄的,所述元件定位在所述内部的和外部的感应线圈(3、4)之间并且由此所述元件减弱在该区域中的磁场,和/或
-在待加热的构件(2)那些的比剩余区域更慢地变热的区域中,例如因为它们是更厚的,所述元件定位在所述内部的感应线圈(3)之内和/或在所述外部的感应线圈(4)之外并且由此所述元件增强在该区域中的磁场,由此能够实现相对均匀的加热。
2.如权利要求1所述的加热设备,其特征在于,
所述待加热的构件(2)是用于凸轮轴的凸轮。
3.如权利要求1或2所述的加热设备,其特征在于,
所述外部的感应线圈(4)和/或所述内部的感应线圈(3)被嵌入铸模材料(6)中。
4.如权利要求3所述的加热设备,其特征在于,
所述外部的感应线圈(4),所述内部的感应线圈(3),特别是所述铸模材料(6),和/或所述至少一个元件(5,5’)能够被冷却。
5.如权利要求1至4中任一项所述的加热设备,其特征在于,
所述至少一个元件(5,5’)是能调节的,特别是电调节、气动调节或者液压调节。
6.如权利要求1至5中任一项所述的加热设备,其特征在于,
所述至少一个元件(5,5’)具有通道状的形状或者夹子状的形状。
7.如权利要求1至6中的任一项的所述的加热设备,其特征在于,
所述至少一个元件(5,5’)由铜或铝形成或者由具有嵌入有软铁零件的塑料形成。
8.一种用于加热凸轮的方法以用作随后的接合过程作准备,
-将待加热的所述凸轮装入到所述内部的感应线圈(3)上和/或由所述外部的感应线圈(4)围绕,
-将影响在所述加热设备(1)工作期间所产生的磁场的至少一个元件(5)在所述凸轮的基圆(7)的区域中定位在所述内部的/外部的感应线圈(3、4)和所述凸轮之间,和/或
-将影响在所述加热设备(1)工作期间所产生的磁场的至少一个元件(5’)在所述凸轮的突出部(8)的区域中定位在所述内部的感应线圈(3)之内和/或所述外部的感应线圈(4)之外,
-所述内部的/外部的感应线圈(3、4)被通电并且由此产生加热所述凸轮的磁场,其中在所述元件(5、5’)的区域中所述磁场通过所述元件减弱或者增强,使得实现相当均匀地加热所述凸轮。
9.如权利要求8所述的所述方法,其特征在于,
从所述加热设备(1)中移出所述被加热的凸轮并且将所述凸轮装入到所述凸轮轴上。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010063142.6 | 2010-12-15 | ||
DE102010063142 | 2010-12-15 | ||
DE102011004530A DE102011004530A1 (de) | 2010-12-15 | 2011-02-22 | Heizvorrichtung |
DE102011004530.9 | 2011-02-22 | ||
PCT/EP2011/072009 WO2012080049A1 (de) | 2010-12-15 | 2011-12-07 | Heizvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
CN103261449A true CN103261449A (zh) | 2013-08-21 |
CN103261449B CN103261449B (zh) | 2015-03-04 |
Family
ID=45099106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201180060582.7A Active CN103261449B (zh) | 2010-12-15 | 2011-12-07 | 加热设备 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9426847B2 (zh) |
EP (1) | EP2652160B1 (zh) |
JP (1) | JP5863823B2 (zh) |
CN (1) | CN103261449B (zh) |
BR (1) | BR112013014983B1 (zh) |
DE (1) | DE102011004530A1 (zh) |
WO (1) | WO2012080049A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106165529A (zh) * | 2014-02-09 | 2016-11-23 | 感应加热有限公司 | 用于热处理沿工件的纵轴配置的紧密间隔的多个偏心圆柱形元件的单发感应器 |
CN108568641A (zh) * | 2017-03-13 | 2018-09-25 | 浙江金浪动力有限公司 | 多用途自动加热机 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014013131A1 (de) | 2014-09-09 | 2016-03-10 | Thyssenkrupp Presta Teccenter Ag | Verfahren zum Härten von Nocken |
US9677700B2 (en) * | 2014-10-27 | 2017-06-13 | Ajax Tocco Magnethermic Corporation | Pipe heating apparatus and methods for uniform end heating and controlled heating length |
DE102015102793B4 (de) * | 2015-02-26 | 2017-03-30 | Mbb Fertigungstechnik Gmbh | Verfahren und Vorrichtung zum Fügen von Anbauteilen auf einer Trägerwelle sowie Heizvorrichtung |
US9945424B2 (en) * | 2015-03-04 | 2018-04-17 | United Technologies Corporation | Bearing thermal relief fan drive gear system assembly method |
JP6409804B2 (ja) * | 2016-03-18 | 2018-10-24 | トヨタ自動車株式会社 | カムピースの熱処理方法 |
CN107024669B (zh) * | 2017-03-22 | 2023-09-08 | 金华职业技术学院 | 一种测量样品条带在焦耳热处理过程中磁性特征的装置 |
US11553631B2 (en) * | 2020-11-20 | 2023-01-10 | Raytheon Company | Systems and methods for removing an adhesively-attached component from a circuit board assembly |
CN113477198B (zh) * | 2021-08-04 | 2022-08-19 | 上海三夫工程技术有限公司 | 基于电感应加热的气化裂解装置及制备硫磺气体的方法 |
DE102021210456A1 (de) | 2021-09-21 | 2023-03-23 | Thyssenkrupp Ag | Induktor, Verfahren zur Herstellung eines Magnetfelddiffusors, sowie Verfahren zur Herstellung eines Induktors |
CN114310150B (zh) * | 2021-12-17 | 2024-05-07 | 上海钧正机械设备有限公司 | 一种过盈配合工件的加热装置 |
DE102022207980A1 (de) | 2022-08-02 | 2024-02-08 | Mahle International Gmbh | Heizeinrichtung zum induktiven Erhitzen von rotationssymmetrischen und unsymmetrischen Nabenkomponenten einer Welle |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1292128A (zh) * | 1998-02-25 | 2001-04-18 | 卡施科德公司 | 感应传感器 |
JP2001131637A (ja) * | 1999-11-10 | 2001-05-15 | Fuji Electronics Industry Co Ltd | 歪形ワークの加熱装置 |
JP2002105532A (ja) * | 2000-09-28 | 2002-04-10 | Fuji Electronics Industry Co Ltd | 歪形ワークの熱処理装置 |
CN1366786A (zh) * | 2000-02-10 | 2002-08-28 | 应达感应加热公司 | 形状复杂工件的感应热处理 |
JP2005082866A (ja) * | 2003-09-10 | 2005-03-31 | Denki Kogyo Co Ltd | カムシャフトの高周波誘導加熱装置 |
JP2006302635A (ja) * | 2005-04-20 | 2006-11-02 | Denki Kogyo Co Ltd | カムシャフト高周波誘導加熱コイル及びその加熱コイルを用いたカムシャフト高周波誘導加熱方法 |
CN101787415A (zh) * | 2008-12-12 | 2010-07-28 | 富士电子工业株式会社 | 淬火方法以及淬火装置 |
Family Cites Families (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2004A (en) | 1841-03-12 | Improvement in the manner of constructing and propelling steam-vessels | ||
US2003A (en) | 1841-03-12 | Improvement in horizontal windivhlls | ||
DE765499C (de) * | 1940-04-04 | 1953-05-04 | Deutsche Edelstahlwerke Ag | Vorrichtung zum elektro-induktiven Oberflaechenerhitzen von Hohlkoerpern |
DE892353C (de) | 1940-05-30 | 1953-10-05 | Deutsche Edelstahlwerke Ag | Vorrichtung zum elektro-induktiven Oberflaechenerhitzen von verzahnten Werkstuecken |
US2277223A (en) * | 1941-04-26 | 1942-03-24 | Induction Heating Corp | Electric induction furnace |
US2426053A (en) * | 1943-02-27 | 1947-08-19 | Rca Corp | Method of heating gear with highfrequency current |
DE904804C (de) | 1943-10-28 | 1954-02-22 | Aeg | Heizleiterschleife fuer Lueckenhaertung |
US2777041A (en) * | 1953-05-21 | 1957-01-08 | Lindberg Eng Co | High frequency heat treating apparatus |
DE1009736B (de) | 1954-06-21 | 1957-06-06 | Westinghouse Electric Corp | Einrichtung zum induktiven Erwaermen von Vertiefungen, Aushoehlungen und aehnlichen Hohlkoerper-Innenflaechen, insbesondere zum Erhitzen von Ventilsitzen fuer die Haertung |
GB1036725A (en) | 1962-05-05 | 1966-07-20 | Delapena & Sons Ltd | Improvements in or relating to induction heating |
DE2538690A1 (de) | 1975-08-30 | 1977-03-03 | Aeg Elotherm Gmbh | Vorrichtung zum induktiven erhitzen von werkstuecken, insbesondere zum erhitzen von nockenwellen |
DE2734916C3 (de) | 1977-08-03 | 1981-10-22 | Estel Hoesch Werke Ag, 4600 Dortmund | Induktor zum Erwärmen von Laufbahnflächen an Wälzlagerringen |
JPS5681624A (en) | 1979-12-07 | 1981-07-03 | High Frequency Heattreat Co Ltd | Uniform tempering method of shaft body having plural parts of different masses |
US4604510A (en) | 1985-05-20 | 1986-08-05 | Tocco, Inc. | Method and apparatus for heat treating camshafts |
US4694134A (en) * | 1985-05-28 | 1987-09-15 | Ajax Magnethermic Corporation | Apparatus for overheating edges of skelp for the production of compression welded pipe |
US4714809A (en) | 1986-08-15 | 1987-12-22 | Tocco, Inc. | Method and apparatus for shaping the surfaces of cams on a camshaft |
DE3926571C1 (en) | 1989-08-11 | 1990-04-26 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Inductor head for piston engines - consists of inductor loop following periphery of cylinder around radial laminated yokes |
DE4002581A1 (de) | 1990-01-30 | 1991-08-01 | Aeg Elotherm Gmbh | Induktor |
JPH0662499U (ja) * | 1993-02-10 | 1994-09-02 | 富士電子工業株式会社 | 高周波加熱コイル |
US5630958A (en) * | 1995-01-27 | 1997-05-20 | Stewart, Jr.; John B. | Side entry coil induction heater with flux concentrator |
DE19716294C1 (de) | 1997-04-18 | 1998-05-28 | Daimler Benz Ag | Vorrichtung und Verfahren zum induktiven Härten von profilierten Nockenwellen |
JPH10324910A (ja) * | 1997-05-23 | 1998-12-08 | Fuji Denshi Kogyo Kk | 高周波焼入コイル |
JPH11210413A (ja) | 1998-01-21 | 1999-08-03 | Toyota Motor Corp | カムシャフト製造方法、カムロブ位置決め装置およびカムシャフト製造装置 |
DE10024768A1 (de) | 2000-05-19 | 2001-11-22 | Volkswagen Ag | Verfahren und Vorrichtung zur Montage eines Verbundes aus Gehäuse,Wellen und Drehmassen |
DE10025008B4 (de) * | 2000-05-22 | 2011-03-17 | Harbin Measuring & Cutting Tool Group Co., Ltd. | Vorrichtung zum thermischen Spannen und Entspannen von Werkzeugen |
JP3810621B2 (ja) * | 2000-07-31 | 2006-08-16 | 高周波熱錬株式会社 | 多形状の熱処理部位を有する軸部材の誘導加熱コイルと熱処理方法 |
DE10150842B4 (de) | 2000-11-15 | 2013-11-21 | Heidelberger Druckmaschinen Ag | Speichereinrichtung zur Wendung bogenförmigen Materials |
JP2002167620A (ja) | 2000-11-28 | 2002-06-11 | Denki Kogyo Co Ltd | カムシャフトの高周波焼入方法とその装置 |
JP3618690B2 (ja) | 2001-06-01 | 2005-02-09 | 富士電子工業株式会社 | カムシャフトの焼入装置 |
JP3590010B2 (ja) * | 2001-10-10 | 2004-11-17 | 第一高周波工業株式会社 | 管内周面加熱用誘導子 |
FR2838282B1 (fr) | 2002-04-04 | 2004-06-11 | Celes | Perfectionnements apportes aux inducteurs de chauffage, notamment de bandes metalliques |
AU2003245698A1 (en) * | 2002-06-25 | 2004-01-06 | Michael R. Hammond | Induction heating system having eccentric locator |
JP4110047B2 (ja) | 2003-06-10 | 2008-07-02 | キヤノン株式会社 | 像加熱装置 |
US7253381B2 (en) * | 2004-04-21 | 2007-08-07 | Inductoheat, Inc. | Multi-frequency heat treatment of a workpiece by induction heating |
DE102005061920B4 (de) * | 2005-07-18 | 2007-05-16 | Mahle Int Gmbh | Verfahren zur Erzeugung eines Schrumpfsitzes |
CA2641846A1 (en) * | 2006-02-22 | 2007-09-07 | Inductotherm Corp. | Transverse flux electric inductors |
JP5089109B2 (ja) * | 2006-09-08 | 2012-12-05 | 電気興業株式会社 | クランクシャフトの高周波焼戻方法及びこの方法に用いる高周波誘導加熱装置 |
JP4912912B2 (ja) | 2007-02-16 | 2012-04-11 | 新日本製鐵株式会社 | 誘導加熱装置 |
EP1968355B1 (de) | 2007-03-08 | 2013-02-27 | HÜTTINGER Elektronik GmbH + Co. KG | Induktionsspule und Vorrichtung zum induktiven Erwärmen von Werkstücken |
JP4996341B2 (ja) | 2007-05-25 | 2012-08-08 | 富士電子工業株式会社 | 誘導加熱コイル体 |
JP2009019237A (ja) * | 2007-07-12 | 2009-01-29 | Komatsu Ltd | 高周波焼入装置及び部材の製造方法 |
JP2009249694A (ja) * | 2008-04-08 | 2009-10-29 | Fuji Electronics Industry Co Ltd | 高周波焼入装置の監視装置 |
DE102008021306A1 (de) | 2008-04-22 | 2009-10-29 | Induschwel Gmbh | Härteeinrichtung |
DE202009001136U1 (de) * | 2009-01-30 | 2009-04-09 | Gottlob Thumm Maschinenbau Gmbh | Vorrichtung zum Anwärmen metallischer Bauteile |
DE102009018684A1 (de) | 2009-04-23 | 2010-10-28 | Mtu Aero Engines Gmbh | Verfahren und Vorrichtung zum induktiven Erwärmen eines Bauteils |
US8272359B2 (en) * | 2010-03-10 | 2012-09-25 | GM Global Technology Operations LLC | Camshaft including weight reducing features and method of forming |
-
2011
- 2011-02-22 DE DE102011004530A patent/DE102011004530A1/de not_active Withdrawn
- 2011-12-07 WO PCT/EP2011/072009 patent/WO2012080049A1/de active Application Filing
- 2011-12-07 EP EP11791569.4A patent/EP2652160B1/de active Active
- 2011-12-07 BR BR112013014983-3A patent/BR112013014983B1/pt active IP Right Grant
- 2011-12-07 JP JP2013543645A patent/JP5863823B2/ja not_active Expired - Fee Related
- 2011-12-07 US US13/994,704 patent/US9426847B2/en active Active
- 2011-12-07 CN CN201180060582.7A patent/CN103261449B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1292128A (zh) * | 1998-02-25 | 2001-04-18 | 卡施科德公司 | 感应传感器 |
JP2001131637A (ja) * | 1999-11-10 | 2001-05-15 | Fuji Electronics Industry Co Ltd | 歪形ワークの加熱装置 |
CN1366786A (zh) * | 2000-02-10 | 2002-08-28 | 应达感应加热公司 | 形状复杂工件的感应热处理 |
JP2002105532A (ja) * | 2000-09-28 | 2002-04-10 | Fuji Electronics Industry Co Ltd | 歪形ワークの熱処理装置 |
JP2005082866A (ja) * | 2003-09-10 | 2005-03-31 | Denki Kogyo Co Ltd | カムシャフトの高周波誘導加熱装置 |
JP2006302635A (ja) * | 2005-04-20 | 2006-11-02 | Denki Kogyo Co Ltd | カムシャフト高周波誘導加熱コイル及びその加熱コイルを用いたカムシャフト高周波誘導加熱方法 |
CN101787415A (zh) * | 2008-12-12 | 2010-07-28 | 富士电子工业株式会社 | 淬火方法以及淬火装置 |
Non-Patent Citations (1)
Title |
---|
陈鸿宾: "《金属感应热处理》", 30 April 1976, 复文图书出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106165529A (zh) * | 2014-02-09 | 2016-11-23 | 感应加热有限公司 | 用于热处理沿工件的纵轴配置的紧密间隔的多个偏心圆柱形元件的单发感应器 |
CN108568641A (zh) * | 2017-03-13 | 2018-09-25 | 浙江金浪动力有限公司 | 多用途自动加热机 |
Also Published As
Publication number | Publication date |
---|---|
DE102011004530A1 (de) | 2012-06-21 |
EP2652160A1 (de) | 2013-10-23 |
CN103261449B (zh) | 2015-03-04 |
US20140007428A1 (en) | 2014-01-09 |
WO2012080049A1 (de) | 2012-06-21 |
BR112013014983A2 (pt) | 2016-09-13 |
EP2652160B1 (de) | 2015-10-14 |
BR112013014983B1 (pt) | 2018-08-07 |
JP5863823B2 (ja) | 2016-02-17 |
JP2014501851A (ja) | 2014-01-23 |
US9426847B2 (en) | 2016-08-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103261449B (zh) | 加热设备 | |
RU2639167C2 (ru) | Способ и устройство для формования термически обработанного материала | |
CN102245365B (zh) | 采用使装置预热的感应加热的材料成型装置 | |
CN1973578B (zh) | 通过感应加热对工件进行多频加热处理 | |
US10124531B2 (en) | Rapid non-contact energy transfer for additive manufacturing driven high intensity electromagnetic fields | |
DK2726263T3 (en) | Device and method for heating a mold or tool | |
CN108927918A (zh) | 调整感应加热基座平衡温度的系统和方法 | |
TWI421161B (zh) | 高週波電磁感應加熱裝置及使用其加熱模具表面的方法 | |
CN101919306A (zh) | 导电工件在具有通量补偿器的螺线管线圈中的受控电感应加热 | |
US20130273264A1 (en) | Injection molding tool with embedded induction heater | |
CN107058708A (zh) | 一种弹簧片类零件热处理变形控制方法 | |
JP2012025126A (ja) | タイヤ用加硫モールドの加熱装置および加熱方法 | |
US7834298B2 (en) | Adjustable electromagnetic sealing device | |
CN211848637U (zh) | 一种纸塑产品成型加热设备 | |
US7315011B2 (en) | Magnetic heating device | |
US20160318246A1 (en) | Electromagnetic blunting of defects within fused deposition modeling (fdm)components | |
CN106312009B (zh) | 成型机和用于感应加热的方法 | |
CN103338539B (zh) | 一种鼓式硫化机电磁感应辅助加热装置 | |
CN203554720U (zh) | 一种商用电磁炉线圈盘 | |
JP4098076B2 (ja) | 円筒物用誘導加熱装置 | |
CN103083082A (zh) | 可快速致热的医用器具 | |
US3924439A (en) | Process for the manufacture of crank-shafts | |
CN208113008U (zh) | 一种电磁感应加热的加热装置 | |
CN202341756U (zh) | 一种电磁饭煲内胆及使用该内胆的电磁饭煲 | |
RU2008111669A (ru) | Способ индукционной распрессовки |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant |