WO2007060905A1 - Equipement de trempe et systeme de trempe - Google Patents

Equipement de trempe et systeme de trempe Download PDF

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Publication number
WO2007060905A1
WO2007060905A1 PCT/JP2006/323074 JP2006323074W WO2007060905A1 WO 2007060905 A1 WO2007060905 A1 WO 2007060905A1 JP 2006323074 W JP2006323074 W JP 2006323074W WO 2007060905 A1 WO2007060905 A1 WO 2007060905A1
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WO
WIPO (PCT)
Prior art keywords
quenching
pressing
quenched
cooling
width direction
Prior art date
Application number
PCT/JP2006/323074
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English (en)
Japanese (ja)
Inventor
Yutaka Miyamoto
Original Assignee
Kikuchi Co., Ltd.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kikuchi Co., Ltd. filed Critical Kikuchi Co., Ltd.
Priority to JP2007546427A priority Critical patent/JPWO2007060905A1/ja
Publication of WO2007060905A1 publication Critical patent/WO2007060905A1/fr

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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, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die quenching

Definitions

  • the present invention relates to an apparatus and method for quenching an article to be quenched, for example, when a center pillar reinforcing member of a four-wheel vehicle is heated by high frequency current induction heating and then quenched. It can be used for.
  • Patent Document 1 Patent Document 2 and Patent Document 3 below, there are raised portions that are raised in a direction perpendicular to the longitudinal direction and the width direction, and raised base end portions on both sides in the width direction of the raised portions.
  • an apparatus for quenching an object to be quenched made of sheet metal which is heated by a high-frequency current induction heating method, with two flange portions extending outward in the width direction.
  • These quenching apparatuses include a clamping device for clamping the article to be quenched with the two flange portions, and one side force in the direction perpendicular to the longitudinal direction and the width direction.
  • the part of the object to be hardened is A direction perpendicular to the longitudinal direction and the width direction Deformation of warpage occurs in the width direction.
  • Patent Document 3 discloses In the disclosed hardening device, when the two flange portions of the object to be hardened are clamped by the respective clamping devices, the protruding proximal end portion of the protruding portion is connected to the inside of the protruding portion by these clamping devices. And the quenching work is performed by causing the article to be quenched to be deformed to the opposite side to the warp deformation.
  • Patent Document 1 JP 2000-256733 A
  • Patent Document 2 JP 2002-282950 A
  • Patent Document 3 WO2005Z33345A1
  • the ridge base end portion of the ridge portion is long to the inside of the ridge portion with a clamp device. It is difficult to sufficiently eliminate the warp deformation because it cannot be pressed for a long time, and it is difficult to make the article to be quenched after quenching work into a predetermined shape.
  • An object of the present invention is to provide a quenching apparatus and a quenching method capable of solving the occurrence of warping deformation in the width direction of an article to be quenched due to quenching work.
  • the quenching apparatus includes a raised portion that is raised in a direction orthogonal to the longitudinal direction and the width direction, and a raised base end portion on both sides in the width direction of the raised portion to the outside in the width direction.
  • a clamping device for clamping an object to be hardened made of sheet metal having two flange portions extending with the two flange portions; and
  • a heating device for heating from one side in a direction orthogonal to the width direction, and the quenching object article heated by the heating device are cooled from the other side opposite to the one side.
  • a cooling device for example, comprising a pressing structure that presses the raised portion toward the other side force toward the one side.
  • the quenching method according to the present invention includes a raised portion that is raised in a direction orthogonal to the longitudinal direction and the width direction, and the raised direction from the raised base ends on both sides of the raised portion in the width direction.
  • 2 pieces of the object to be hardened made of sheet metal having two flange portions extending outward.
  • the bulging portion is pressed by the pressing structure toward the one side from the other side, so that the pressing structure has a pressing structure on the surface facing the heating device.
  • the pressing force by the body will also generate a tensile force toward the outside in the width direction.
  • the thickness of the object to be quenched is reduced. It is possible to eliminate or almost eliminate compressive yielding in the portion facing the heating device. For this reason, it is possible to solve the occurrence of warping deformation in the width direction of the quenching target article due to the quenching operation, and it is possible to obtain a desired shape of the quenching target article after the quenching operation.
  • the heating device may be a high-frequency current induction heating type or a gas flame type, or a laser type heating method is arbitrary.
  • the clamping device may be an automatic type using a driving source such as a cylinder or a manual type.
  • a groove recessed toward the other side may be formed in the raised portion.
  • the ridge is formed with a groove which is depressed toward the other side, it is preferable that the ridge is pressed by the pressing structure at the groove U.
  • the strength of the raised portion is strengthened by the groove, and the strength of the groove portion is increased, so that the pressure structure can be pressed using the portion having the high strength.
  • the cooling device is preferably attached to the pressing structure.
  • cooling device is configured to include a plurality of cooling jackets having holes for ejecting the coolant toward the article to be quenched
  • these cooling jackets are attached to the pressing structure, and these cooling jackets are preferably arranged side by side in the longitudinal direction.
  • the cooling device can effectively correspond to this complicated shape by these cooling jackets. it can.
  • the pressing structure may be formed by a plurality of members which may be formed by a single member.
  • the pressing structure is formed of a plurality of members is a plurality of pressing structures for pressing the quenching target article with their respective tip portions abutting against the quenching target article. It is assumed that each pressing member is configured, and these pressing members are arranged in parallel in the longitudinal direction.
  • each pressing member is formed of a conductive material and the heating device is a high-frequency current induction heating device, between the pressing members adjacent to each other in the longitudinal direction, It is preferable that a gap extending from the tip of the pressing member to the other side is present.
  • each pressing member is formed of a conductive material! It is possible to eliminate or almost eliminate the high-frequency current induced in the object to be heated for heating between the pressing members by the gap, and the high-frequency current in the longitudinal direction of the object to be quenched can be eliminated. A flow can be secured.
  • the gap may have a length that extends over the entire length of the pressing member from the distal end portion to the proximal end portion of the pressing member, or has a shorter length than that, that is, the distal end force of the pressing member. The thing of the length to the middle of the full length may be sufficient. If the gap is provided at least at the tip portion that contacts the article to be quenched and the peripheral portion of the tip part, a predetermined flow of high-frequency current in the article to be quenched can be ensured. .
  • the pressing step of pressing the raised portion from the other side toward the one side is performed before the cooling step is performed. Can be started at any time, and one example is that the pressing step is performed by performing the clamping step.
  • the pressing step is performed by clamping the two flange portions of the quenching target article with the clamping device in order to set the quenching target article in the quenching apparatus. It ’s a bit of a problem.
  • the present invention includes a raised portion that is raised in a direction orthogonal to the longitudinal direction and the width direction, and two flange portions that extend outwardly in the width direction from the raised base ends on both sides in the width direction of the raised portion.
  • a reinforcing member for a center pillar of a four-wheeled vehicle and in addition to this, the present invention is a reinforcing member for a door of a four-wheeled vehicle, a side frame, a bumper. It can be applied to the first class. The invention's effect
  • FIG. 1 is an enlarged view showing a part of a side panel of a four-wheel vehicle in which a center pillar reinforcing member that is quenched by a quenching apparatus according to an embodiment of the present invention is used. is there.
  • FIG. 2 is a perspective view showing the entirety of a reinforcing member for a center pillar, which is an article to be quenched.
  • Fig. 4 is a cross-sectional view taken along line S4-S4 in Fig. 3.
  • FIG. 5 is a cross-sectional view taken along line S5—S5 of FIG.
  • FIG. 6 is a side view of a quenching apparatus showing the pressing structure.
  • FIG. 7 is a side view of a quenching apparatus showing a pressing structure and a cooling device attached to the pressing structure.
  • a sheet metal quenching target article according to the present embodiment is a reinforcing member for a center pillar of a four-wheel vehicle.
  • the center pillar reinforcing member 10 produced by press-molding a plate material is a member constituting the side panel 1 of the vehicle, and includes a front door 2 and a rear door 3.
  • the side panel 1 against a side collision it is installed vertically between the roof portion 1A and the floor portion 1B of the side panel 1.
  • An inner panel and an outer panel are arranged on both sides of the center pillar reinforcing member 10 in the vehicle outer direction.
  • the reinforcing member 10 for a center pillar which is a press-formed product of a steel plate, has an elongated shape, and is in the middle of the width direction orthogonal to the longitudinal direction. Is provided with a raised portion 11 that is raised in a direction perpendicular to the longitudinal direction and the width direction, and extends from the raised base end portions 12 on both sides in the width direction of the raised portion 11 extending in the longitudinal direction of the reinforcing member 10.
  • the two flange portions 13 extend outward in the width direction.
  • the cross-sectional shape of the reinforcing member 10 in the longitudinal direction is a hat shape, and the flange portion 13 and the top surface portion 11A of the raised portion 11 are connected by the side surface portion 11B of the raised portion 11, and these side surface portions 11B and The connecting portion with the flange portion 13 becomes the raised base end portion 12.
  • the quenching region 14 indicated by hatching in FIG. 2 is defined across the top surface portion 11A and the side surface portion 11B of the raised portion 11, extends in the longitudinal direction of the reinforcing member 10, and This quenching region 14 is on both sides in the width direction of the raised portion 11, and both sides in the width direction of these quenching regions 14 are non-quenched regions 15 that are not quenched.
  • the reinforcing member 10 has a three-dimensional elongated shape, and is extended and defined in the longitudinal direction of the reinforcing member 10.
  • Two quenching regions 14 are provided in the width direction orthogonal to the longitudinal direction.
  • three non-quenched regions 15 are provided in the width direction, and these quenched regions 14 and non-quenched regions 15 are alternately arranged in the width direction.
  • the top surface portion 11A is formed with a groove 16 that is recessed to the opposite side of the protruding direction of the raised portion 11, and this groove 16 is formed between the two quenching regions 14 in the top surface portion 11A.
  • the reinforcing member 10 is provided in the non-quenched region 15 and extends in the longitudinal direction of the reinforcing member 10 in the same manner as the raised portion 11.
  • groove 16 is for increasing the strength of the reinforcing member 10 against the side collision by increasing the section modulus of the reinforcing member 10 in the direction of the side collision.
  • FIG. 3 is a plan view of the quenching apparatus 20 according to the present embodiment. Since the quenching device 20 is a device for quenching the center pillar reinforcing member 10, in the following description, the reinforcing member 10 is referred to as an article to be quenched, and the length of the quenching article 10 is The horizontal direction that is the direction is the X direction, the horizontal direction that is the width direction of the quenching target article 10 orthogonal to the X direction is the Y direction, and the vertical direction that is orthogonal to the X and Y directions is the Z direction.
  • the base 21 of the quenching apparatus 20 is clamped with the two flange portions 13 that are the non-quenched regions 15 of the quenching target article 10, thereby quenching the quenching target article 10.
  • a clamping device 22 is installed for stationary setting to the quenching device 20.
  • the clamp device 22 includes a first clamp means 23 and a plurality of second clamp means 24 arranged in parallel in the X direction from the first clamp 23. These first and second clamp means 23, Two 24 are provided in the Y direction.
  • FIG. 4 is a cross-sectional view taken along the line S 4 -S 4 of FIG.
  • the first clamping means 23 is installed on the base 21 of the quenching device 20 and is also connected to the main body of the clamping means 23, and the axis of the bracket 26 attached to the lower clamping member 25.
  • an upper clamp 29 that opens and closes up and down with a cylinder 28 around 27. When the upper clamp 29 closes and rotates downward, the flange portion 13 of the article to be hardened 10 placed on the lower clamp member 25 is clamped by the upper and lower clamp members 25 and 29.
  • FIG. 5 is a cross-sectional view taken along the line S5-S5 of FIG.
  • the second clamp means 24 is also erected on the base 21 of the quenching apparatus 20 and also has a lower clamp member 30 which is also a main body of the clamp means 24, and a shaft 32 of a bracket 31 attached to the lower clamp member 30. And an upper clamp 34 that opens and closes up and down with a cylinder 33. When the upper clamp 34 is closed and rotated downward, the flange portion 13 of the quenching target article 10 placed on the lower clamp member 30 is clamped by the upper and lower clamp members 30 and 34.
  • the upper and lower clamp members 25, 29 of the first clamp means 23 are clamped and fixed to the flange portion 13 by these clamp members 25, 29.
  • the clamping means 23 is a tight clamping means for clamping the flange portion 13 tightly.
  • the upper and lower clamp members 30, 34 of the second clamp means 24 do not clamp the flange portion 13 tightly, but between the flange portion 13 and the lower clamp member 30. Since the upper clamp member 34 clamps the flange portion 13 by also pressing the upper force with the gap 35 formed, the second clamp means 24 is a loose clamp means for clamping the flange portion 13 loosely. .
  • the cylinders 28 and 33 are not provided for the respective clamping means 23 and 24, and the upper clamping members 29 and 34 of these clamping means 23 and 24 are connected via an interlocking mechanism, so that one piece is provided.
  • These upper clamp members 29 and 34 may be opened and closed by a cylinder.
  • a pressing structure 40 is erected on the base 21 of the quenching apparatus 20 between the second clamp means 24 arranged in the Y direction.
  • the pressing structure 40 has an upper end portion that is a tip portion, and the lower surface of the groove 16 formed as a non-quenched region 15 on the raised portion 11 of the article to be hardened 10 is lower in the Z direction. The force is also pushed upward.
  • the pressing structure 40 includes a mounting base 41 installed on the base 21 and a plate-shaped pressing member 42 mounted upward on the mounting base 41.
  • the pressing structure 40 is shown in FIG.
  • FIG. 6 which is a side view of the quenching apparatus 20, a plurality of pressing members 42 are arranged side by side in the X direction.
  • the pressing members 42 adjacent to each other in the X direction are not in contact with each other over the entire length direction of the pressing member 42 in the Z direction, and the contacting portions are attached to the mounting base 41.
  • a gap 43 is provided between the pressing members 42 in only the base end portion and in other portions including the front end portion. That is, the gap 43 extends from the tip of the pressing member 42 to the middle of the entire length of the pressing member 42.
  • a heating device 50 shown in Fig. 5 for heating the quenching region 14 of the quenching target article 10 is a high-frequency current induction heating device.
  • the product is moved up and down with respect to the object to be hardened 10 when being clamped by the pump device 22.
  • the heating device 50 reaches the lowering limit, an appropriate interval for induction heating of the quenching region 14 by the high-frequency current flowing through the induction working portion 51 of the heating device 50 is sufficient.
  • the quenching region 14 can be heated from the upper side of the quenching target product 10 by the heating device 50 up to a high temperature necessary for quenching.
  • the cooling device 55 for cooling the quenching region 14 thus heated is clamped by the clamp device 22 and disposed below the article 10 to be hardened. 55 is attached to the pressing structure 40.
  • the pressing structure 40 also serves as a member for mounting the cooling device 55, and accordingly, the number of members necessary for configuring the quenching device 20 is reduced accordingly.
  • the cooling device 55 has a cooling jacket 57 to which the cooling liquid is supplied from the supply pipe 56, and the cooling liquid supplied from the supply pipe 56 is directed to the article 10 to be quenched from the hole 58 of the cooling jacket 57. It is ejected by force, whereby the heated quenching zone 14 is cooled and the quenching zone 14 is quenched.
  • the cooling jackets 57 are arranged on both sides in the Y direction of the pressing member 42 of the pressing structure 40, and these cooling jackets 57 are as shown in FIG. 7 showing the pressing structure 40 and the cooling device 55.
  • the bracket 57A is coupled to the pressing member 42 by a coupling tool 59 such as a bolt.
  • a plurality of cooling jackets 57 are also arranged in the X direction.
  • the quenching object 10 is supplied to the quenching device 20 by a loading device (not shown) when the clamp device 22 is unclamped, and the two flange portions 13
  • the clamp means 23, 24 are placed on the lower clamp members 25, 30. Thereafter, the upper clamping members 29, 34 of the clamping means 23, 24 are closed and rotated by the cylinders 28, 33, and the article 10 to be quenched is clamped by the two clamping means 23, 24. As a result, the quenching device 20 is set at a predetermined position.
  • the quenching object 10 is clamped by the clamp device 22 When being clamped at, a load in the C direction is acting on the quenching target article 10 as compared to the quenching target article 10 'before being set in the quenching apparatus 20 shown in FIG. .
  • the length range in the X direction of the quenching target article 10 clamped by the clamping means 23, 24 is the X direction in which the quenching target article 10 is pressed by the pressing structure 40. Since the length exceeds the length range, a tensile force D outward in the X direction is generated on the upper surface of the quenching target article 10 due to the load in the C direction.
  • the heating device 50 is lowered by the lifting device to a position at an appropriate interval from the object 10 to be quenched, and the heating region 50 brings the quenching region 14 to the quenching temperature. Heated.
  • the coolant supplied from the supply pipe 56 of the cooling device 55 Is ejected from the hole 58 of the cooling jacket 57, thereby quenching the quenching region 14 and quenching the article 10 to be quenched.
  • the heating device 50 is lifted by the lifting device, and the upper clamp members 29 and 34 of the respective clamping means 23 and 24 are opened and rotated by the cylinders 28 and 33, whereby the article 10 to be quenched is unloaded.
  • the article 10 to be quenched is taken out from the quenching apparatus 20 by an unloading apparatus (not shown) and sent to the next process such as a painting process.
  • the next quenching target article is set in the quenching apparatus 20 in the same manner as described above, and the quenching operation for this quenching target article is repeated.
  • the quenching region 14 when the quenching region 14 is heated by the heating device 50, the quenching region 14 is heated. After the quenching region 14 is rapidly cooled by the cooling device 55 after the entire thickness of the quenching target product 10 in 14 has reached the same or substantially the same quenching temperature, the cooling device 50 Therefore, at the moment when this cooling is performed, there is a large temperature difference between the lower part and the upper part in the thickness of the article to be hardened 10. Face the 50 and maintain the same high temperature as the above quenching temperature!
  • the upper part of the upper part is compressed yielding due to the restraint by the lower part of the temperature lowered to near room temperature, this compression
  • the object to be quenched 10 has an opening that opens downwardly from the ridge 11.
  • Y warp deformation that increases the Y-direction opening width
  • the downward force by the pressing structure 40 and the upward pressing force act on the raised portion 11, and this pressing force causes the object to be quenched. Since the upper surface of the article 10 has a tensile force B outward in the Y direction, the tensile force B can eliminate or almost eliminate the occurrence of the compression yield.
  • the article 10 to be quenched after completion of the quenching work has a good shape in which the warp deformation has not occurred or hardly occurred.
  • such an action by the pressing structure 40 can be realized only by securing a slight expected amount of protrusion of the tip end portion of the pressing member 43 with respect to the quenching target article 10.
  • the warp deformation caused by the heating performed by the heating device 50 and the cooling performed by the cooling device 55 is likely to occur also in the X direction, which is the length direction of the object 10 to be quenched.
  • the tensile force D outward in the X direction is generated on the upper surface of the target article 1, this tensile force D causes warpage deformation in the X direction in the article 10 to be quenched. Prevent it.
  • the quenching target article 10 since the quenching target article 10 has a long and narrow shape in the X direction and the quenching region 14 is also long in the X direction, the quenching target article 10 is heated when heated by the heating device 50. Tries to expand in the X direction.
  • the articles 10 to be quenched are tightly clamped by the first clamping means 23 disposed at one end in the X direction, and a plurality of articles 10 are aligned in parallel from the first clamping means 23 to the other end in the X direction.
  • Each provided second clamping means 24 is a quenching pair. Since the elephant article 10 is loosely clamped, the X direction extension of the quenching object article 10 is not suppressed by these second clamping means 24. Therefore, it is possible to solve the problem of deformation such as a waveform that occurs in the quenching target article 10 after quenching when this suppression is performed.
  • the location where the pressing force by the pressing structure 40 is applied to the quenching target article 10 is the location of the groove 16 of the raised portion 11 of the quenching target article 10, and the groove 16 is in the Z direction.
  • the top surface portion 11A of the raised portion 11 is bulged downward in the Z direction and is depressed downward in the Z direction. Therefore, the groove 16 has a high strength in the Z direction. Therefore, it is possible to apply a large pressing force from the pressing structure 40 to the portion of the groove 16, and the large pressing force generates the large tensile forces B and D on the upper surface of the quenching target article 10. That's right.
  • the portion of the groove 16 is a non-quenched region 15 that is not quenched, and therefore, the portion of the groove 16 is formed when the quenching region 14 is heated by the heating device 50. Therefore, even if the pressing force by the pressing structure 40 is applied to the groove 16, the pressing structure 40 is prevented from being greatly affected by the heating by the heating device 50. That's right.
  • the pressing structure 40 is formed, and the front end portions of the respective pressing members 42 are in contact with the lower surface of the groove 16, but are adjacent to each other in the X direction. Since there is a gap 43 extending downward from the tip portion between the pressing members 42 to be heated, the high-frequency current induced in the article to be quenched 10 when heated by the heating device 50 is Even if the pressing member 42 is formed of a conductive material, it does not flow through the pressing member 42 in the X direction or almost does not pass therethrough, so that a high-frequency current for heating the quenching region 14 is obtained. This can be ensured in the article 10 to be quenched.
  • a non-conductive member such as ceramic may be attached to the tip of each pressing member 42, or the entire pressing member 42 may be formed of a non-conductive material such as ceramic. .
  • a non-conductive member such as ceramic is attached to the tip of each pressing member 42 and each pressing member 42 is formed of a conductive material, a high-frequency current is induced in these pressing members 42. As shown in Fig. 6, the gap 4 3 is necessary. However, when the entire pressing member 42 is formed of a non-conductive material such as ceramic, the gap 43 may be eliminated.
  • each pressing member 42 by attaching a heat insulating member such as ceramic to the tip of each pressing member 42, or by forming the entirety of each pressing member 42 with a heat insulating material such as ceramic, The transfer of heat to the pressing member 42 may be suppressed, and thereby the temperature raising efficiency of the object to be quenched 10 may be improved.
  • the portion of the quenching target article 10 that is pressed by each pressing member 42 is the portion of the groove 16 that is the non-quenching region 15. If the amount of heat transferred to each pressing member 42 is small! If the amount of heat transmitted to each pressing member 42 is small, the entire pressing member 42 may be formed of a metal material such as iron.
  • the operation of applying the pressing force by the pressing structure 40 to the object to be hardened 10 is performed by the clamping device 22 with the two flange portions 1 3 of the object 10 to be hardened.
  • the clamping device 22 is a device for setting the quenching target article 10 in the quenching device 20, and therefore the clamping device 22 is a device for setting the quenching target article 10 in the quenching device 20. Using this, the work for applying the pressing force by the pressing structure 40 to the article 10 to be quenched can be performed.
  • the present invention provides a bulging portion that bulges in a direction perpendicular to the longitudinal direction and the width direction, like the reinforcing member for the center pillar of a four-wheel vehicle, and the bulging base end portions on both sides in the width direction of the bulging portion. It can be used to perform a quenching operation on an article having two flange portions extending outward in the width direction.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

L'invention concerne un équipement de trempe qui résout le problème qui consiste en ce qu'un objet à tremper est déformé en courbure dans le sens de sa largeur à cause du travail de trempe. Un objet à tremper (10), réalisé en tôle métallique et dont une partie (11) fait saillie dans la direction qui coupe perpendiculairement le sens de la longueur et le sens de la largeur et deux parties de bride (13) qui font saillie vers l'extérieur dans le sens de la largeur de l'extrémité proximale de la saillie (11) sur ses côtés opposés dans le sens de la largeur, est serré au moyen d'une pince (22) sur les deux parties de bride (13). L'objet à tremper (10) est trempé en étant chauffé au moyen d'un dispositif de chauffage (50) depuis un premier côté dans la direction qui coupe perpendiculairement le sens de la longueur et le sens de la largeur et en étant refroidi au moyen d'un refroidisseur (55) depuis l'autre côté. Le travail de trempe est réalisé pendant que l'objet à tremper (10) est repoussé depuis l'autre côté vers le premier côté au moyen d'une structure de presse (40) sur une partie de la saillie (11).
PCT/JP2006/323074 2005-11-24 2006-11-20 Equipement de trempe et systeme de trempe WO2007060905A1 (fr)

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JP2007546427A JPWO2007060905A1 (ja) 2005-11-24 2006-11-20 焼入装置及び焼入方法

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JP2005338057 2005-11-24
JP2005-338057 2005-11-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010094735A3 (fr) * 2009-02-19 2011-01-20 Ema Indutec Gmbh Machine de trempe et procédé de durcissement sous contrainte par induction
JP4795486B2 (ja) * 2009-06-22 2011-10-19 新日本製鐵株式会社 鋼板の熱間プレス成形方法、鋼板の熱間プレス成形装置、及び鋼成形部材
JP2017170452A (ja) * 2016-03-18 2017-09-28 新日鐵住金株式会社 焼入れ鋼管部材及び焼入れ鋼管部材の製造方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789420A (en) * 1980-11-26 1982-06-03 Daido Steel Co Ltd Surface hardening and leveling process
JPS57192221A (en) * 1981-05-20 1982-11-26 High Frequency Heattreat Co Ltd Precise heat-treatment of thin hollow cylindrical body, apparatus therefor, and precisely heat-treated thin hollow cylindrical body obtained thereby
JPH0953121A (ja) * 1995-08-14 1997-02-25 Daiwa House Ind Co Ltd 局部増肉金属条材の熱処理方法及び装置
JP2004314845A (ja) * 2003-04-17 2004-11-11 Kikuchi Co Ltd 車両のセンターピラー構造
JP2005133194A (ja) * 2003-10-06 2005-05-26 Kikuchi Co Ltd 被熱処理物品用クランプ装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5789420A (en) * 1980-11-26 1982-06-03 Daido Steel Co Ltd Surface hardening and leveling process
JPS57192221A (en) * 1981-05-20 1982-11-26 High Frequency Heattreat Co Ltd Precise heat-treatment of thin hollow cylindrical body, apparatus therefor, and precisely heat-treated thin hollow cylindrical body obtained thereby
JPH0953121A (ja) * 1995-08-14 1997-02-25 Daiwa House Ind Co Ltd 局部増肉金属条材の熱処理方法及び装置
JP2004314845A (ja) * 2003-04-17 2004-11-11 Kikuchi Co Ltd 車両のセンターピラー構造
JP2005133194A (ja) * 2003-10-06 2005-05-26 Kikuchi Co Ltd 被熱処理物品用クランプ装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010094735A3 (fr) * 2009-02-19 2011-01-20 Ema Indutec Gmbh Machine de trempe et procédé de durcissement sous contrainte par induction
JP4795486B2 (ja) * 2009-06-22 2011-10-19 新日本製鐵株式会社 鋼板の熱間プレス成形方法、鋼板の熱間プレス成形装置、及び鋼成形部材
JP2017170452A (ja) * 2016-03-18 2017-09-28 新日鐵住金株式会社 焼入れ鋼管部材及び焼入れ鋼管部材の製造方法

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