WO2014103206A1 - 電磁クラッチおよびその製造方法 - Google Patents
電磁クラッチおよびその製造方法 Download PDFInfo
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- WO2014103206A1 WO2014103206A1 PCT/JP2013/007258 JP2013007258W WO2014103206A1 WO 2014103206 A1 WO2014103206 A1 WO 2014103206A1 JP 2013007258 W JP2013007258 W JP 2013007258W WO 2014103206 A1 WO2014103206 A1 WO 2014103206A1
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- Prior art keywords
- ring
- plates
- rotor
- magnetic material
- electromagnetic clutch
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/004—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with permanent magnets combined with electromagnets
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D27/10—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings
- F16D27/108—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members
- F16D27/112—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with axially movable clutching members with flat friction surfaces, e.g. discs
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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
- B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for
-
- 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
- B23P2700/50—Other automobile vehicle parts, i.e. manufactured in assembly lines
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- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D27/00—Magnetically- or electrically- actuated clutches; Control or electric circuits therefor
- F16D2027/008—Details relating to the magnetic circuit, or to the shape of the clutch parts to achieve a certain magnetic path
Definitions
- This disclosure relates to an electromagnetic clutch and a manufacturing method thereof.
- a conventional electromagnetic clutch includes a rotor that rotates by a rotational driving force output from a driving source, and an armature that rotates by being attracted to the rotor side by magnetic force and coupled to the rotor.
- the rotor and armature are arranged by concentrically arranging a plurality of disk-shaped plates made of a magnetic material around the rotation axis, and a non-magnetic material between adjacent plates.
- An annular ring is arranged (for example, see Patent Document 1).
- a ring insertion groove is formed on the inner peripheral surface or the outer peripheral surface of the plate, and after inserting the ring between adjacent plates, press the ring with a mold to plastically flow the ring, The ring is caused to flow into the ring insertion groove to connect the adjacent plate and the ring.
- the above-described conventional electromagnetic clutch needs to have a required compressive force remaining in a plastic-flowed nonmagnetic ring in order to satisfy a certain mechanical strength with respect to shearing, compression, bending, and the like. Therefore, the ring insertion groove needs to have a complicated shape, and the processing of the ring insertion groove has not been easy.
- the ring in order to cause the ring to plastically flow, a material having a smaller deformation resistance than the plate is adopted for the ring. That is, the ring is easily deformed. Therefore, there is a problem that the ring is easily deformed due to the load in the direction perpendicular to the rotation axis applied to the ring or plate via the belt, and the ring is easily cracked.
- JP 54-126852 A (corresponding to US 4305198A and US 4413717A)
- the present disclosure is an electromagnetic clutch capable of realizing at least one of facilitating processing of a ring insertion groove and suppressing generation of cracks in a ring made of a non-magnetic material, and its manufacture.
- the purpose is to provide the law.
- a driving side rotating body that rotates by a rotational driving force output from a driving source, and the driving side rotating body that is attracted to the driving side rotating body by electromagnetic force and coupled to the driving side rotating body.
- an electromagnetic clutch is provided that includes a driven-side rotating body that rotates by the rotational driving force transmitted from the driving-side rotating body.
- At least one of the driven-side rotator and the driving-side rotator is made of a magnetic material and is concentrically arranged, and has a larger deformation resistance than the magnetic material of the plurality of plates.
- a ring made of a non-magnetic material and disposed between two adjacent plates of the plurality of plates.
- an electromagnetic clutch in which friction surfaces formed on two rotating bodies rotatable around a rotating shaft are pressed against each other by electromagnetic force to transmit power between the two rotating bodies.
- the rotating body main body portion made of a magnetic material and constituting a part of one of the two rotating bodies, and the non-magnetic material having a larger deformation resistance than the magnetic material of the rotating body main body portion.
- a ring that constitutes a part of the one of the two rotating bodies is prepared.
- annular ring insertion groove that is concentrically arranged around the rotating shaft and that is open only at one end side in the direction of the rotating shaft is formed in the rotating body main body.
- the ring is inserted into the ring insertion groove.
- the magnetic material around the opening of the ring insertion groove in the rotating body main body is plastically flowed so that compressive stress remains in the ring.
- the excess body of the rotating body main body is removed to a position where the ring is exposed, and the one of the two rotating bodies is removed.
- the friction surface is formed on the rotating body main body.
- FIG. 1 is a cross-sectional view of an electromagnetic clutch according to an embodiment of the present disclosure.
- FIG. 2 is a perspective view of the ring of FIG.
- FIG. 3 is a cross-sectional view showing the shape of the rotor of FIG. 1 before processing.
- 4 (a) to 4 (d) are cross-sectional views of the main part showing the manufacturing process of the rotor of FIG.
- FIG. 5 is a perspective view showing a first modification of the ring in the embodiment.
- FIG. 6 is a cross-sectional view illustrating a second modification of the ring according to the embodiment.
- FIG. 7 is a cross-sectional view illustrating a third modification of the ring according to the embodiment.
- FIG. 1 is a cross-sectional view of an electromagnetic clutch according to an embodiment of the present disclosure.
- FIG. 2 is a perspective view of the ring of FIG.
- FIG. 3 is a cross-sectional view showing the shape of the rotor of FIG. 1 before processing.
- FIG. 8 is a cross-sectional view illustrating a fourth modification of the ring according to the embodiment.
- FIG. 9 is a cross-sectional view illustrating a fifth modification of the ring according to the embodiment.
- FIG. 10 is a cross-sectional view illustrating a sixth modification of the ring according to the embodiment.
- the electromagnetic clutch according to the present embodiment is used in a vehicle air conditioner to intermittently transmit a rotational driving force output from a vehicle travel engine (drive source) to a refrigerant compressor.
- the electromagnetic clutch has an electromagnet 1, a rotor 3, an armature 5, and a hub 7, and rotates around a rotation axis J.
- the electromagnet 1 has a stator 11 and a coil 12, and when the coil 12 is energized, an electromagnetic force is generated to connect the rotor 3 and the armature 5.
- the stator 11 is made of a magnetic material (specifically, iron).
- the stator 11 is a cylindrical stator outer cylindrical portion 111 disposed coaxially with the rotation axis J, and is disposed on the inner peripheral side of the stator outer cylindrical portion 111 and coaxial with the rotation axis J.
- the stator inner cylindrical portion 112 arranged in the center, and the stator outer cylindrical portion 111 and the stator inner cylindrical portion 112 extend in the direction perpendicular to the rotational axis so as to connect the one end side in the rotational axis, and the front and back surfaces of the central portion
- a disk-shaped stator end surface portion 113 in which a circular through-hole penetrating the shaft is formed.
- the stator 11 has a double cylindrical structure, and its axial cross-sectional shape is two U-shapes that are positioned line-symmetrically with respect to the rotation axis J, and the inner peripheral surface of the stator outer cylindrical portion 111, the stator A cylindrical space is formed by the outer peripheral surface of the inner cylindrical portion 112 and the inner surface of the stator end surface portion 113. And the coil 12 is accommodated in the cylindrical space.
- the coil 12 is fixed to the stator 11 while being molded with an insulating resin material (specifically, epoxy), and is electrically insulated from the stator 11.
- an insulating resin material specifically, epoxy
- One end of the coil 12 is electrically grounded to the vehicle side, and the other end of the coil 12 is connected to an electronic control unit (ECU) 100 of the air conditioner.
- the electronic controller 100 performs switching control between energization and non-energization of the coil 12.
- the rotor 3 has a cylindrical rotor outer cylindrical portion 31 that is coaxially disposed with respect to the rotational axis J, and is disposed on the inner peripheral side of the rotor outer cylindrical portion 31 and coaxially with respect to the rotational axis J.
- a circular shape that extends in the direction perpendicular to the rotation axis so as to connect one end side of the rotation axis direction in the cylindrical rotor inner cylindrical portion 32, the rotor outer cylindrical portion 31, and the rotor inner cylindrical portion 32, and penetrates the front and back of the central portion. It has a disk-like rotor end surface portion 33 in which a through-hole having a shape is formed, and annular rings 34 and 35.
- the rotor 30 has a double cylindrical structure, and its axial cross-sectional shape is two U-shapes that are positioned line-symmetrically with respect to the rotation axis J, and the inner peripheral surface of the rotor outer cylindrical portion 31 and the rotor A cylindrical space is formed by the outer peripheral surface of the inner cylindrical portion 32 and the inner surface of the rotor end surface portion 33. And the electromagnet 1 is accommodated in the cylindrical space.
- the rotor outer cylindrical portion 31, the rotor inner cylindrical portion 32, and the rotor end surface portion 33 are made of a magnetic material (specifically, low carbon steel) and constitute a magnetic circuit of electromagnetic force generated by the electromagnet 1.
- the rotor end surface portion 33 is composed of a plurality of disc-shaped plates 331 to 333 arranged concentrically around the rotation axis J. Specifically, the rotor end surface portion 33 includes a rotor outer plate 331 continuous with the rotor outer cylindrical portion 31, a rotor inner plate 332 continuous with the rotor inner cylindrical portion 32, and a space between the rotor outer plate 331 and the rotor inner plate 332.
- the rotor intermediate plate 333 is arranged.
- the rotor outer plate 331 is formed with a plurality of arcuate rotor slit holes 331b along the circumferential direction of the rotor outer plate 331 when viewed along the axial direction.
- the rotor slit hole 331b penetrates the front and back of the rotor outer plate 331.
- An annular outer ring insertion groove 334 is formed between the rotor outer plate 331 and the rotor intermediate plate 333, and an annular inner ring insertion groove 335 is formed between the rotor inner plate 332 and the rotor intermediate plate 333.
- the outer ring 34 is disposed in the outer ring insertion groove 334, and the inner ring 35 is disposed in the inner ring insertion groove 335.
- rings 34 and 35 are made of a non-magnetic material (specifically, SUS304) having a larger deformation resistance than the materials of the plates 331 to 333. Moreover, as shown in FIG. 2, the rings 34 and 35 are continuous in the circumferential direction without being cut. Furthermore, as shown in FIGS. 4B to 4D, the cross-sectional shapes of the rings 34 and 35 are round.
- the circle here is a substantially perfect circle and includes a circle within a predetermined tolerance range.
- a V groove (specifically, a poly V groove) on which a V belt (not shown) is hung is formed on the outer peripheral side of the rotor outer cylindrical portion 31.
- the V-belt transmits the rotational driving force output from the engine to the rotor 3.
- the outer peripheral side of the ball bearing 36 is fixed to the inner peripheral side of the rotor inner cylindrical portion 32, and the inner peripheral side of the ball bearing 36 is connected to the electromagnetic clutch side from the housing that forms the outer shell of the refrigerant compressor (not shown).
- a cylindrical boss portion (not shown) protruding to the side is fixed.
- the rotor 3 is rotatably fixed with respect to the housing of a refrigerant compressor. Note that the rotor 3 corresponds to a drive side rotating body or a rotating body of the present disclosure.
- the armature 5 is a disk-shaped member that extends in the direction perpendicular to the rotation axis and is formed with a circular through hole penetrating the front and back at the center.
- An armature friction surface 51 that contacts the rotor friction surfaces 331a to 333a when the rotor 3 and the armature 5 are connected is formed on the side of the rotor 3 in the armature 5.
- the armature 5 is made of a magnetic material (specifically, low carbon steel) and constitutes a magnetic circuit of electromagnetic force generated by the electromagnet 1.
- the armature 5 corresponds to the driven side rotating body or the rotating body of the present disclosure.
- the armature 5 is formed with a plurality of arcuate armature slit holes 52 and 53 arranged in two rows in the radial direction when viewed along the axial direction along the circumferential direction of the armature 5.
- the armature slit holes 52 and 53 penetrate the front and back of the pulley end surface portion 33.
- the outer armature slit hole 52 on the radially outer side is positioned between the rotor slit hole 331b and the outer ring insertion groove 334. That is, the outer armature slit hole 52 is positioned on the inner peripheral side of the rotor slit hole 331b and on the outer peripheral side of the outer ring insertion groove 334.
- the inner armature slit hole 53 on the radially inner side is positioned between the outer ring insertion groove 334 and the inner ring insertion groove 335. That is, the inner armature slit hole 53 is positioned on the inner peripheral side of the outer ring insertion groove 334 and on the outer peripheral side of the inner ring insertion groove 335.
- the hub 7 connects the armature 5 and the refrigerant compressor, and has an outer hub 71, an inner hub 72, a damper 73, and the like.
- a flat portion is formed on the opposite side of the armature 5 from the rotor, and an outer hub 71 is fixed to the flat portion by a rivet or the like.
- Inner hub 72 is coupled to the shaft of the refrigerant compressor.
- the outer hub 71 and the inner hub 72 have cylindrical portions 711 and 721 respectively extending in the rotation axis direction.
- the cylindrical portion 711 of the outer hub 71 and the cylindrical portion 721 of the inner hub 72 are formed in a cylindrical shape made of rubber.
- the damper 73 is vulcanized and bonded.
- the damper 73 applies an elastic force to the outer hub 71 in a direction away from the rotor 3. Due to this elastic force, a gap is formed between the rotor friction surfaces 331a to 333a and the armature friction surface 51 when the coil 12 is not energized.
- the electronic control device 100 When the electronic control device 100 outputs a control voltage and puts the electromagnet 1 into an energized state, the electromagnetic force generated by the electromagnet 1 exceeds the elastic force of the damper 73, and the armature 5 is attracted to the rotor 3 side by the electromagnetic force. Thus, the rotor friction surfaces 331a to 333a and the armature friction surface 51 are pressed against each other, and the rotor 3 and the armature 5 are connected. Accordingly, the rotational driving force of the engine is transmitted to the refrigerant compressor via the rotor 3, the armature 5, and the hub 7. Thereby, the refrigeration cycle apparatus operates.
- the rings 34 and 35 and a rotor material 3A as a rotating body main body made of a magnetic material are prepared.
- the rotor material 3 ⁇ / b> A has a rotor material outer cylindrical portion 31 ⁇ / b> A in which a rotor outer cylindrical portion 31 is formed through a processing step described later, and a rotor inner cylindrical portion 32 is formed through a processing step described later.
- a rotor material inner cylindrical portion 32A and a rotor material end surface portion 33A in which the rotor end surface portion 33 is formed through a processing step to be described later are provided.
- a rotor slit hole 331b, an outer ring insertion groove 334, and an inner ring insertion groove 335 are formed in the rotor material end face portion 33A by cutting or coining.
- the rotor slit hole 331b and the ring insertion grooves 334 and 335 do not penetrate the front and back of the rotor material end surface portion 33A, and only the one end side in the rotation axis direction (specifically, the anti-rotor friction surface side) It has an open shape.
- the ring insertion grooves 334 and 335 at this time have a groove width in the direction perpendicular to the rotation axis (left and right direction in FIG. 4A) from the opening side toward the groove bottom. After becoming gradually narrower, the groove bottom is constant.
- the opening end groove width W1 at the opening side end in the ring insertion grooves 334 and 335 is set larger than the wire diameter ⁇ D of the rings 34 and 35.
- the bottom groove width W2 on the groove bottom side in the ring insertion grooves 334 and 335 is set smaller than the wire diameter ⁇ D of the rings 34 and 35.
- the rings 34 and 35 are press-fitted into the ring insertion grooves 334 and 335. More specifically, the rings 34 and 35 are inserted up to a portion where the bottom side groove width W2 of the ring insertion grooves 334 and 335 is constant, and are stopped at a position where they do not contact the bottom of the ring insertion grooves 334 and 335. Yes.
- the surplus material on the other end side in the rotation axis direction (specifically, the rotor friction surface side) of the rotor material end surface portion 33A opposite to the one end side in the rotation axis direction is removed.
- the rings 34 and 35 are removed by cutting or the like to be exposed to form rotor friction surfaces 331a to 333a on the other end side in the rotation axis direction of the rotor material end surface portion 33A.
- other parts of the rotor material 3A are cut to finish the rotor 3 in a final shape. In this state, the rings 34 and 35 are sandwiched between the plates 331 to 333 with the compressive stress remaining, and the shape of the rotor 3 is maintained.
- electrodeposition coating is performed on a portion of the rotor 3 including at least a contact portion between the rings 34 and 35 and the plates 331 to 333. Thereby, corrosion of the contact portion between the rings 34 and 35 and the plates 331 to 333 can be prevented or suppressed.
- the ring insertion grooves 334 and 335 do not need to have a complicated shape, so that the ring insertion grooves 334 and 335 can be easily processed.
- the rings 34 and 35 have larger deformation resistance than the plates 331 to 333 and are difficult to deform, the occurrence of cracks in the rings 34 and 35 can be suppressed.
- rings 34 and 35 cut at one place in the circumferential direction. According to this, since the rings 34 and 35 can be formed by bending a wire, they are easy to manufacture.
- a moment as indicated by an arrow M in FIG. 1 acts on the rotor outer cylindrical portion 31 and the rotor outer plate 331 due to the load in the direction perpendicular to the rotation axis applied to the rotor outer cylindrical portion 31 via the belt.
- the moment M causes a deviation between the rings 34 and 35 and the plates 331 to 333, and the rotor outer cylindrical portion 31 and the rotor outer plate 331 are inclined with respect to the rotor intermediate plate 333, or the rotor intermediate plate.
- 333 may be inclined with respect to the rotor inner plate 332.
- the axial position of the contact portion between the rings 34 and 35 and the plates 331 to 333 changes along the circumferential direction, so that the ring 34 and 35 due to the moment M and the plates 331 to 333 Misalignment hardly occurs.
- rings 34 and 35 having an elliptical cross-sectional shape can be employed. According to this, since the axial length of the contact portion between the rings 34 and 35 and the plates 331 to 333 can be increased compared to the rings 34 and 35 having a round cross-sectional shape, the ring 34 due to the moment M, 35 and the plates 331 to 333 are less likely to be displaced.
- rings 34 and 35 having a polygonal cross-sectional shape can be employed. Specifically, the rings 34 and 35 having a square cross-sectional shape as in the fourth modification shown in FIG. 8 or the rings 34 and 35 having a hexagonal cross-sectional shape as in the fifth modification shown in FIG. Can be adopted.
- the axial length of the contact portion between the rings 34 and 35 and the plates 331 to 333 can be increased compared to the rings 34 and 35 having a round cross-sectional shape, the ring 34 due to the moment M, 35 and the plates 331 to 333 are less likely to be displaced.
- the rings 34 and 35 divided into a plurality along the circumferential direction can be employed. Then, by making the axial positions of the divided rings 34 and 35 different in the ring insertion grooves 334 and 335, the rings 34 and 35 and the plates 331 to 333 are less likely to be displaced due to the moment M.
- the rings 34 and 35 may be divided into two ring segments 34a, 34b, 35a and 35b.
- the rotor 3 is configured such that the rings 34 and 35 are disposed between the plurality of concentrically arranged plates 331 to 333.
- the armature 5 is composed of the plurality of concentrically disposed plates. It is also possible to divide the ring and arrange a ring between the plates.
- positioned concentrically may be employ
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Abstract
Description
さらに、本開示では、回転軸を中心に回転可能な2つの回転体にそれぞれ形成された摩擦面を電磁力により互いに圧接させて動力を前記2つの回転体間で伝達する電磁クラッチの製造方法を提供する。この製造方法では、磁性材よりなり前記2つの回転体のうちの一方の一部を構成する回転体本体部と、前記回転体本体部の前記磁性材よりも変形抵抗が大きい非磁性材よりなり前記2つの回転体のうちの前記一方の一部を構成するリングとを用意する。さらに、前記回転体本体部に、回転軸を中心に同心状に配置されるとともに前記回転軸の方向における一端側のみが開口された円環状のリング挿入溝を形成する。次いで、前記リング挿入溝に前記リングを挿入する。そして、前記リングに圧縮応力を残留させるように、前記回転体本体部における前記リング挿入溝の開口部周囲の前記磁性材を塑性流動させる。その後、前記回転軸の方向における前記一端側とは反対の他端側において、前記回転体本体部の余肉を前記リングが露出する位置まで除去して前記2つの回転体のうちの前記一方の前記摩擦面を前記回転体本体部に形成する。
上記実施形態では、ロータ3を、同心状に配置された複数個のプレート331~333間にリング34、35を配置する構成にしたが、アーマチャ5を、同心状に配置された複数個のプレートに分割し、それらのプレート間にリングを配置する構成にしてもよい。
Claims (9)
- 駆動源から出力される回転駆動力によって回転する駆動側回転体(3)と、
電磁力により前記駆動側回転体(3)側に吸引されて前記駆動側回転体(3)に連結された際に、前記駆動側回転体(3)から伝達された前記回転駆動力により回転する従動側回転体(5)とを備え、
前記従動側回転体(5)および前記駆動側回転体(3)のうち少なくとも一方は、磁性材よりなり同心状に配置された円板状の複数のプレート(331~333)と、前記複数のプレート(331~333)の前記磁性材よりも変形抵抗が大きい非磁性材よりなり、前記複数のプレート(331~333)のうちの互いに隣接する2つのプレート間に配置されたリング(34、35)とを備え、
前記複数のプレート(331~333)のうちの互いに隣接する前記2つのプレートの前記磁性材を塑性流動させることにより、前記リング(34、35)に圧縮応力を残留させるとともに前記複数のプレート(331~333)のうちの互いに隣接する前記2つのプレートと前記リング(34、35)とが連結されている電磁クラッチ。 - 前記リング(34、35)は、周方向の一箇所で切断されている請求項1に記載の電磁クラッチ。
- 前記リング(34、35)は、軸方向に波打った形状である請求項1または2に記載の電磁クラッチ。
- 前記リング(34、35)の断面形状は、楕円または多角形である請求項1または2に記載の電磁クラッチ。
- 前記リング(34、35)の断面形状は、丸である請求項1または2に記載の電磁クラッチ。
- 前記リング(34、35)は、周方向に沿って複数個に分割されている請求項1に記載の電磁クラッチ。
- 前記複数のプレート(331~333)のうちの互いに隣接する前記2つのプレートと前記リング(34、35)との接触部は、電着塗装されていることを特徴とする請求項1ないし6のいずれか1つに記載の電磁クラッチ。
- 回転軸を中心に回転可能な2つの回転体(3、5)にそれぞれ形成された摩擦面(51、331a~333a)を電磁力により互いに圧接させて動力を前記2つの回転体(3、5)間で伝達する電磁クラッチの製造方法であって、
磁性材よりなり前記2つの回転体(3、5)のうちの一方の一部を構成する回転体本体部(3A)と、前記回転体本体部(3A)の前記磁性材よりも変形抵抗が大きい非磁性材よりなり前記2つの回転体(3、5)のうちの前記一方の一部を構成するリング(34、35)とを用意することと、
前記回転体本体部(3A)に、回転軸を中心に同心状に配置されるとともに前記回転軸の方向における一端側のみが開口された円環状のリング挿入溝(334、335)を形成することと、
前記リング挿入溝(334、335)に前記リング(34、35)を挿入することと、
前記リング(34、35)に圧縮応力を残留させるように、前記回転体本体部(3A)における前記リング挿入溝(334、335)の開口部周囲の前記磁性材を塑性流動させることと、
前記回転軸の方向における前記一端側とは反対の他端側において、前記回転体本体部(3A)の余肉を前記リング(34、35)が露出する位置まで除去して前記2つの回転体(3、5)のうちの前記一方の前記摩擦面(51、331a~333a)を前記回転体本体部(3A)に形成すること
を含む電磁クラッチの製造方法。 - 前記リング(34、35)を挿入することは、前記リング(34、35)を前記リング挿入溝(334、335)に圧入することを含む請求項8に記載の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380068167.5A CN104884833B (zh) | 2012-12-26 | 2013-12-10 | 电磁离合器及其制造方法 |
DE112013006229.1T DE112013006229T5 (de) | 2012-12-26 | 2013-12-10 | Elektromagnetische Kupplung und Herstellungsverfahren davon |
KR1020157009097A KR101725280B1 (ko) | 2012-12-26 | 2013-12-10 | 전자 클러치 및 그 제조 방법 |
US14/655,302 US9777780B2 (en) | 2012-12-26 | 2013-12-10 | Electromagnetic clutch and manufacturing method thereof |
Applications Claiming Priority (2)
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JP2012282697A JP5928327B2 (ja) | 2012-12-26 | 2012-12-26 | 電磁クラッチおよびその製造方法 |
JP2012-282697 | 2012-12-26 |
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WO2014103206A1 true WO2014103206A1 (ja) | 2014-07-03 |
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PCT/JP2013/007258 WO2014103206A1 (ja) | 2012-12-26 | 2013-12-10 | 電磁クラッチおよびその製造方法 |
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US (1) | US9777780B2 (ja) |
JP (1) | JP5928327B2 (ja) |
KR (1) | KR101725280B1 (ja) |
CN (1) | CN104884833B (ja) |
DE (1) | DE112013006229T5 (ja) |
WO (1) | WO2014103206A1 (ja) |
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US10975900B1 (en) * | 2017-10-02 | 2021-04-13 | Steven Andrew Roth | Apparatus and method for bracing a load |
CN115516223A (zh) * | 2020-02-28 | 2022-12-23 | 法雷奥日本株式会社 | 电磁离合器 |
CN114103596A (zh) * | 2021-12-09 | 2022-03-01 | 宁国中奕橡塑有限公司 | 一种汽车空调压缩机驱动盘及其制作方法 |
Citations (3)
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JPS5543171U (ja) * | 1978-09-18 | 1980-03-21 | ||
JPS55159334A (en) * | 1979-05-25 | 1980-12-11 | Hitachi Ltd | Electromagnetic clutch and manufacture of the same |
JP2004116764A (ja) * | 2002-09-30 | 2004-04-15 | Toyoda Mach Works Ltd | 磁路形成部材、クラッチ機構、駆動力伝達装置、磁路形成部材の製造方法 |
Family Cites Families (12)
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SE425224B (sv) * | 1977-11-29 | 1982-09-13 | Flygt Ab | Sett att forbinda tva ringformiga element |
JPS5810605B2 (ja) | 1978-03-27 | 1983-02-26 | 株式会社日立製作所 | 電磁クラツチ及びその製造方法 |
US4685202A (en) | 1986-01-13 | 1987-08-11 | Dana Corporation | Method of forming a coupling disc for an electromagnetic coupling |
JP2932217B2 (ja) * | 1991-03-20 | 1999-08-09 | 小倉クラッチ株式会社 | 電磁クラッチ |
JP3289115B2 (ja) * | 1993-04-13 | 2002-06-04 | 小倉クラッチ株式会社 | 電磁連結装置における軸・管体接続構造および管体の製造方法 |
JP3633654B2 (ja) | 1994-10-14 | 2005-03-30 | 株式会社デンソー | 電磁クラッチ用ロータの製造方法およびその製造方法によって製造されたロータを備える電磁クラッチ |
US5642797A (en) * | 1996-02-08 | 1997-07-01 | Dana Corporation | Molded plastic rotor assembly for electromagnetic friction clutch |
JP3864507B2 (ja) * | 1997-08-04 | 2007-01-10 | 株式会社デンソー | プーリ一体型ロータの製造方法 |
WO2005083287A1 (ja) * | 2004-03-02 | 2005-09-09 | Ntn Corporation | 回転伝達装置 |
JP4761767B2 (ja) * | 2004-12-24 | 2011-08-31 | Gknドライブラインジャパン株式会社 | 磁路形成部材、磁路形成部材を用いた電磁連結装置及び、磁路形成部材の製造方法 |
CN101615839A (zh) * | 2008-06-25 | 2009-12-30 | 株式会社丰田自动织机 | 电磁离合器 |
JP5229182B2 (ja) * | 2009-10-12 | 2013-07-03 | 株式会社デンソー | クラッチ機構 |
-
2012
- 2012-12-26 JP JP2012282697A patent/JP5928327B2/ja not_active Expired - Fee Related
-
2013
- 2013-12-10 KR KR1020157009097A patent/KR101725280B1/ko active IP Right Grant
- 2013-12-10 CN CN201380068167.5A patent/CN104884833B/zh not_active Expired - Fee Related
- 2013-12-10 WO PCT/JP2013/007258 patent/WO2014103206A1/ja active Application Filing
- 2013-12-10 DE DE112013006229.1T patent/DE112013006229T5/de not_active Withdrawn
- 2013-12-10 US US14/655,302 patent/US9777780B2/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5543171U (ja) * | 1978-09-18 | 1980-03-21 | ||
JPS55159334A (en) * | 1979-05-25 | 1980-12-11 | Hitachi Ltd | Electromagnetic clutch and manufacture of the same |
JP2004116764A (ja) * | 2002-09-30 | 2004-04-15 | Toyoda Mach Works Ltd | 磁路形成部材、クラッチ機構、駆動力伝達装置、磁路形成部材の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE112013006229T5 (de) | 2015-10-01 |
JP5928327B2 (ja) | 2016-06-01 |
CN104884833A (zh) | 2015-09-02 |
US20160025159A1 (en) | 2016-01-28 |
KR20150053802A (ko) | 2015-05-18 |
JP2014126108A (ja) | 2014-07-07 |
KR101725280B1 (ko) | 2017-04-10 |
US9777780B2 (en) | 2017-10-03 |
CN104884833B (zh) | 2017-03-29 |
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