WO2012053356A1 - センタリング方法及び装置 - Google Patents
センタリング方法及び装置 Download PDFInfo
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- WO2012053356A1 WO2012053356A1 PCT/JP2011/072943 JP2011072943W WO2012053356A1 WO 2012053356 A1 WO2012053356 A1 WO 2012053356A1 JP 2011072943 W JP2011072943 W JP 2011072943W WO 2012053356 A1 WO2012053356 A1 WO 2012053356A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B5/18—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning crankshafts, eccentrics, or cams, e.g. crankpin lathes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B49/00—Measuring or gauging equipment on boring machines for positioning or guiding the drill; Devices for indicating failure of drills during boring; Centering devices for holes to be bored
- B23B49/04—Devices for boring or drilling centre holes in workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2215/00—Details of workpieces
- B23B2215/20—Crankshafts
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- 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
- Y10T29/49998—Work holding
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- 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
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/55—Cutting by use of rotating axially moving tool with work-engaging structure other than Tool or tool-support
- Y10T408/563—Work-gripping clamp
- Y10T408/5638—Adjustable relative to tool-axis
Definitions
- the present invention relates to a centering method and apparatus for machining center holes in both end faces of a workpiece such as a crankshaft.
- Patent Document 1 Conventionally, as a center hole processing apparatus for forming a center hole for processing on both end faces of a workpiece, there is one described in Patent Document 1.
- a main clamper (work clamper) having a pair of gripping portions that grip main journals at both ends in order to grip and fix a material crankshaft as a workpiece, and a material crankshaft
- a centering chuck that chucks both ends of the material crankshaft gripped by the main clamper, and a processing blade that forms center holes at both ends of the material crankshaft gripped by the make clamper. It is set as the structure provided.
- the center hole may not be on the same axis. That is, as shown in FIG. 7A, the workpiece axis C calculated based on the shape measurement on the workpiece W is inclined with respect to the center line of the workpiece W. as, the axis C 1 of the center hole H 1 at one end of the workpiece W, there is a case where the axis C 2 of the other end of the side center hole H 2 is not on the same axis, in such a case, FIG. 7 (c) (d) (FIG.
- the center member P of the processing machine (for example, a lathe) in the subsequent process is the center hole H 1. , H 2 , and the workpiece W is processed in this one-contact state, so that the roundness of the workpiece W is deteriorated and the processing accuracy is deteriorated.
- the present invention has been made in view of the above-described problems, and provides a centering method and apparatus capable of aligning machining portions for machining center holes at both ends of a workpiece on the same axis with a simple configuration. It is for the purpose.
- the centering method according to the first invention comprises: A first work clamper and a second work clamper for gripping and fixing a work; a processing part for machining center holes at both ends of the work held by the first and second work clampers; and the processing part
- a processing unit moving means for moving in the X-axis direction that is the front-rear direction and the Y-axis direction that is the vertical direction with respect to the apparatus main body,
- the centering method according to the second invention is A first work clamper and a second work clamper for gripping and fixing a work; a processing part for machining center holes at both ends of the work held by the first and second work clampers; and the processing part
- a processing unit moving means for moving in the X-axis direction that is the front-rear direction and the Y-axis direction that is the vertical direction with respect to the apparatus main body,
- the centering device is: A first work clamper and a second work clamper for gripping and fixing a work; a processing part for machining center holes at both ends of the work held by the first and second work clampers; and the processing part
- a workpiece centering device comprising a processing unit moving means for moving in the X-axis direction which is the front-rear direction and the Y-axis direction which is the vertical direction with respect to the apparatus main body, First work clamper moving means for moving the first work clamper in the X-axis direction; Second work clamper moving means for moving the second work clamper in the Y-axis direction; Storage means for storing a predetermined target workpiece axis; The first work clamper moving means moves the first work clamper in the X-axis direction so that the actual work axis is parallel to the target work axis, and the processing part moving means moves the processing part in the X-axis direction.
- the X-axis position of the actual workpiece axis is aligned with the X-axis position of the target workpiece axis, and the second workpiece clamper is moved in the Y-axis direction by the second workpiece clamper moving means.
- the actual workpiece axis is made parallel to the target workpiece axis, and the machining unit is moved in the Y-axis direction by the machining unit moving means to set the Y-axis direction position of the actual workpiece axis to the target workpiece axis.
- control of the first and second work clamper moving means by the work clamper control means and the control of the processing section moving means by the processing section control means are executed simultaneously (fourth) invention).
- the first work clamper is moved in the X-axis direction, which is the front-rear direction
- the second work clamper is moved in the Y-axis direction, which is the vertical direction, so that the work is centered.
- the center line of the hole to be machined can be aligned in parallel with the axis of both machining parts, and the machining part for machining the center hole at both ends of the workpiece can be moved in parallel to align the axis.
- Both center holes can be aligned on the same axis, and both center holes can be processed while maintaining the same axis.
- the processing portion for processing the center hole is provided with a moving mechanism in the X-axis direction and the Y-axis direction for processing the end face of the workpiece, this moving mechanism can be used as it is, Since one work clamper has a mechanism that moves only in the X-axis direction and the second work clamper only needs to have a mechanism that moves only in the Y-axis direction, there is an effect that the apparatus configuration can be simplified.
- the whole block diagram of the centering device concerning one embodiment of the present invention 1 is a cross-sectional view taken along line AA of FIG. Sectional view taken along the line BB of FIG. 1 showing the moving mechanism of the first work clamper Sectional view taken along the line CC of FIG. 1 showing the moving mechanism of the second work clamper
- Explanatory drawing of centering method in this embodiment Explanatory drawing of centering method in other embodiment Diagram explaining the problems of the prior art
- the centering device 1 of this embodiment is a center hole for machining center holes on both end faces of a material crankshaft (hereinafter referred to as “crankshaft”) 2 as a workpiece.
- a processing machine 3 and a control device (computer) 4 for determining the position of a center hole to be processed into the workpiece are configured.
- the crankshaft 2 has a shape having a main journal 2a, a pin journal 2b, and a counterweight 2c.
- the center hole processing machine 3 includes a shape measuring machine that measures the outer shape of the crankshaft 2 using, for example, a laser displacement meter.
- the control device 4 includes a central processing unit (CPU) 4A for executing a predetermined program, a read only memory (ROM) 4B for storing the program and various maps, and working memory necessary for executing the program. Further, it is composed of a writable memory (RAM) 4C as various registers. Thus, the workpiece shape data (three-dimensional shape data) from the shape measuring machine is input to the writable memory (RAM) 4C of the control device 4.
- CPU central processing unit
- ROM read only memory
- RAM writable memory
- the center hole processing machine 3 includes an apparatus main body having a machine base (bed) 5 extending in the Z-axis direction (horizontal direction).
- a pair of cutter drive bases 6 are installed in the vicinity of both ends in the Z-axis direction of the machine base 5, and are formed of a first work clamper 7 and a second work clamper 8 at different positions in the Z-axis direction of the machine base 5.
- a pair of work clampers is installed.
- a disc-shaped milling cutter 11 is rotatably mounted on the cutter driving base 6 so as to face the end face of the crankshaft 2.
- the milling cutter 11 is provided with a large number of milling cutter chips 11 a along a circumference centered on the rotation axis thereof, and a center hole is formed in the end surface of the crankshaft 2 at the center of the milling cutter 11.
- a centering drill (processing part) 12 for processing is provided. When drilling with the centering drill 12, the milling cutter tip 11 a for milling is arranged so as to cover the outside of the end surface of the crankshaft 2, and this milling cutter tip 11 a is attached to the crankshaft 2. There is no interference with the end face.
- Each cutter drive base 6 incorporates a motor (not shown) that drives the milling cutter 11 to rotate. Further, as shown in FIG. 2, the cutter driving table 6 is moved in the front-rear direction of the apparatus along a linear guide 5A provided on the upper surface of the machine table 5 through a ball screw mechanism 14 by driving a motor 13. A mechanism for moving forward or backward in the axial direction (arrow D direction) and a mill cutter 11 through a ball screw mechanism 16 driven by a motor 15 along a linear guide 6A provided on the side surface of the cutter driving base 6 A mechanism for raising or lowering in the Y-axis direction (arrow E direction) which is the vertical direction is incorporated. Each cutter drive base 6 is also moved in the Z-axis direction by a moving mechanism (not shown). The movement operation of each cutter drive base 6 is controlled by a command signal from the control device 4. The motors 13 and 15 and the ball screw mechanisms 14 and 16 in the present embodiment correspond to the processing portion moving means in the present invention.
- the first work clamper 7 and the second work clamper 8 hold the main journal 2 a of the crankshaft 2 to be processed from both sides in the lateral direction (X-axis direction). 21 and 22 respectively.
- the grip portions 21 and 22 have four chuck claws 21a and 22a, and the main journal 2a is gripped and fixed by these chuck claws 21a and 22a.
- the first work clamper 7 is driven by a motor 23 via a ball screw mechanism 24 along a linear guide 5 ⁇ / b> B provided on the upper surface of the machine base 5. It can be moved forward or backward in the direction (arrow F direction).
- the second work clamper 8 is in the vertical direction of the apparatus along the linear guide 5 ⁇ / b> C provided on the side surface of the machine base 5 through the ball screw mechanism 26 by driving the motor 25. It can be raised or lowered in the Y-axis direction (arrow G direction).
- the movement operation of each of the work clampers 7 and 8 is controlled by a command signal from the control device 4.
- the motor 23, the ball screw mechanism 24, etc. correspond to the first work clamper moving means in the present invention
- the motor 25, the ball screw mechanism 26, etc. correspond to the second work clamper moving means in the present invention.
- crankshaft 2 is schematically shown as a cylindrical shape in FIG.
- the calculated workpiece axis (target workpiece axis) C is shown in FIG. Suppose that it is inclined with respect to the center line of the workpiece.
- centering of the centering drill 12 is performed according to the four steps shown in FIGS. 5B and 5C show operations in the XZ plane, and FIGS. 5D and 5E show operations in the YZ plane.
- both center holes drilled by the center drill 12 can be aligned on the same axis, and both center holes can be machined while maintaining the same axis.
- this moving mechanism can be used as it is.
- the first work clamper 7 only needs to have a mechanism that moves only in the X-axis direction
- the second work clamper 8 only needs to have a mechanism that moves only in the Y-axis direction. Therefore, it is not necessary to provide a mechanism for moving both of them, so that the apparatus configuration can be simplified.
- FIG. 6 is an explanatory view of the centering method according to another embodiment of the present invention.
- the vertical direction is adjusted after the front-rear direction is matched first, but in this embodiment, the front-rear direction is matched after the vertical direction is matched first.
- the centering method of this embodiment is demonstrated along a process.
- 6B and 6C show operations in the YZ plane
- FIGS. 6D and 6E show operations in the XZ plane.
- the position of the center drill 12 It can be made to coincide with the target workpiece axis C, and both center holes drilled by the center drill 12 can be aligned on the same axis. Also in this embodiment, the same effect as in the previous embodiment is achieved.
- the steps 1 to 4 are sequentially performed in the order of steps.
- the control device 4 controls the movement of the cutter driving base 6 in the X-axis direction and the Y-axis direction, and the first work clamper 7. Since the movement control in the X-axis direction and the movement control in the Y-axis direction of the second work clamper 8 can be performed simultaneously, the above steps 1 to 4 can be performed simultaneously in parallel. By doing so, the centering time can be shortened.
- the first work clamper 7 is moved in the X-axis direction and the second work clamper 8 is moved in the Y-axis direction.
- the first work clamper 7 is moved in the Y-axis direction
- the second work clamper 8 may be moved in the X-axis direction.
- the crankshaft has been described as an example of the work. However, the work need not be limited to the crankshaft and can be applied to various works.
- the workpiece axis (target workpiece axis) C calculated based on the workpiece shape data (three-dimensional shape data) from the shape measuring machine attached to the center hole processing machine 3 is obtained.
- the target workpiece axis may be input to the control device 4 by an operator manually.
- the writable memory 4C and the like of the control device 4 in each embodiment corresponds to the storage means in the present invention, and the central processing unit (CPU) 4A and the like of the control device 4 in each embodiment is the work clamper control means in the present invention. This corresponds to the processing unit control means.
- the present invention has a great effect when applied to a centering device (centering machine) that performs center hole machining on both ends of a workpiece during the initial machining process of the crankshaft machining line.
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Abstract
Description
ワークを把持して固定する第1ワーククランパ及び第2ワーククランパと、前記第1及び第2ワーククランパに把持された状態のワークの両端部にセンタ穴を加工する加工部と、前記加工部を、装置本体に対し前後方向であるX軸方向及び上下方向であるY軸方向に移動させる加工部移動手段とを備えるワークのセンタリング方法において、
前記第1ワーククランパをX軸方向に移動させて実ワーク軸心を予め与えられた目標ワーク軸心に平行にする第1工程と、前記加工部をX軸方向に移動させて前記実ワーク軸心のX軸方向位置を前記目標ワーク軸心のX軸方向位置に合わせる第2工程と、前記第2ワーククランパをY軸方向に移動させて実ワーク軸心を前記目標ワーク軸心に平行にする第3工程と、前記加工部をY軸方向に移動させて前記実ワーク軸心のY軸方向位置を前記目標ワーク軸心のY軸方向位置に合わせる第4工程とを備えることを特徴とするものである。
ワークを把持して固定する第1ワーククランパ及び第2ワーククランパと、前記第1及び第2ワーククランパに把持された状態のワークの両端部にセンタ穴を加工する加工部と、前記加工部を、装置本体に対し前後方向であるX軸方向及び上下方向であるY軸方向に移動させる加工部移動手段とを備えるワークのセンタリング方法において、
前記第2ワーククランパをY軸方向に移動させて実ワーク軸心を予め与えられた目標ワーク軸心に平行にする第1工程と、前記加工部をY軸方向に移動させて前記実ワーク軸心のX軸方向位置を前記目標ワーク軸心のY軸方向位置に合わせる第2工程と、前記第1ワーククランパをX軸方向に移動させて実ワーク軸心を前記目標ワーク軸心に平行にする第3工程と、前記加工部をX軸方向に移動させて前記実ワーク軸心のX軸方向位置を前記目標ワーク軸心のX軸方向位置に合わせる第4工程とを備えることを特徴とするものである。
ワークを把持して固定する第1ワーククランパ及び第2ワーククランパと、前記第1及び第2ワーククランパに把持された状態のワークの両端部にセンタ穴を加工する加工部と、前記加工部を、装置本体に対し前後方向であるX軸方向及び上下方向であるY軸方向に移動させる加工部移動手段とを備えるワークのセンタリング装置において、
前記第1ワーククランパをX軸方向に移動させる第1ワーククランパ移動手段と、
前記第2ワーククランパをY軸方向に移動させる第2ワーククランパ移動手段と、
予め与えられた目標ワーク軸心を記憶する記憶手段と、
前記第1ワーククランパ移動手段により前記第1ワーククランパをX軸方向に移動させて実ワーク軸心を前記目標ワーク軸心に平行にするとともに、前記加工部移動手段により前記加工部をX軸方向に移動させて前記実ワーク軸心のX軸方向位置を前記目標ワーク軸心のX軸方向位置に合わせ、かつ、前記第2ワーククランパ移動手段により前記第2ワーククランパをY軸方向に移動させて実ワーク軸心を前記目標ワーク軸心に平行にするとともに、前記加工部移動手段により前記加工部をY軸方向に移動させて前記実ワーク軸心のY軸方向位置を前記目標ワーク軸心のY軸方向位置に合わせるように前記第1及び第2ワーククランパ移動手段並びに前記加工部移動手段をそれぞれ制御するワーククランパ制御手段及び加工部制御手段
を備えることを特徴とするものである。
最初に、現在のワーク軸心(実ワーク軸心)C1と目標ワーク軸心Cとの前後方向(X軸方向)位置を合わせるために、図5(b)に示されるように、クランクシャフト2を第1ワーククランパ7及び第2ワーククランパ8にて把持した状態で、第1ワーククランパ7をX軸方向に移動させて現在のワーク軸心(実ワーク軸心)C1を目標ワーク軸心Cに平行になるようにする。これにより、実ワーク軸心C1の前後方向(X軸方向)位置が、センタドリル12の前後方向(X軸方向)位置と平行になる。
続いて、図5(c)に示されるように、センタドリル12をX軸方向に移動させて実ワーク軸心C1のX軸方向位置を目標ワーク軸心CのX軸方向位置に合わせる。こうして、実ワーク軸心C1の前後方向(X軸方向)位置が、センタドリル12の前後方向(X軸方向)位置と一致する。
次に、実ワーク軸心C1と目標ワーク軸心Cとの上下方向(Y軸方向)位置を合わせるために、図5(d)に示されるように、第2ワーククランパ8をY軸方向に移動させて実ワーク軸心C1を目標ワーク軸心Cに平行になるようにする。これにより、実ワーク軸心C1の上下方向(Y軸方向)位置が、センタドリル12の上下方向(Y軸方向)位置と平行になる。
続いて、図5(e)に示されるように、センタドリル12をY軸方向に移動させて実ワーク軸心C1のY軸方向位置を目標ワーク軸心CのY軸方向位置に合わせる。こうして、実ワーク軸心C1の上下方向(Y軸方向)位置が、センタドリル12の上下方向(Y軸方向)位置と一致する。
図6には、本発明の他の実施形態のセンタリング方法説明図が示されている。図5に示される実施形態では、前後方向を先に合わせた後に上下方向を合わせるようにしたが、本実施形態では、上下方向を先に合わせた後に前後方向を合わせるようにしたものである。以下、本実施形態のセンタリング方法について工程に沿って説明する。なお、図6(b)(c)はY-Z平面における動作を示し、図6(d)(e)はX-Z平面における動作を示している。
最初に、現在のワーク軸心(実ワーク軸心)C1と目標ワーク軸心Cとの上下方向(Y軸方向)位置を合わせるために、図6(b)に示されるように、クランクシャフト2を第1ワーククランパ7及び第2ワーククランパ8にて把持した状態で、第2ワーククランパ8をY軸方向に移動させて現在のワーク軸心(実ワーク軸心)C1を目標ワーク軸心Cに平行になるようにする。これにより、実ワーク軸心C1の上下方向(Y軸方向)位置が、センタドリル12の上下方向(Y軸方向)位置と平行になる。
続いて、図6(c)に示されるように、センタドリル12をY軸方向に移動させて実ワーク軸心C1のY軸方向位置を目標ワーク軸心CのY軸方向位置に合わせる。こうして、実ワーク軸心C1の上下方向(Y軸方向)位置が、センタドリル12の上下方向(Y軸方向)位置と一致する。
次に、実ワーク軸心C1と目標ワーク軸心Cとの前後方向(X軸方向)位置を合わせるために、図6(d)に示されるように、第2ワーククランパ8をX軸方向に移動させて実ワーク軸心C1を目標ワーク軸心Cに平行になるようにする。これにより、実ワーク軸心C1の前後方向(X軸方向)位置が、センタドリル12の前後方向(X軸方向)位置と平行になる。
続いて、図6(e)に示されるように、センタドリル12をX軸方向に移動させて実ワーク軸心C1のX軸方向位置を目標ワーク軸心CのX軸方向位置に合わせる。こうして、実ワーク軸心C1の前後方向(X軸方向)位置が、センタドリル12の前後方向(X軸方向)位置と一致する。
2 素材クランクシャフト(ワーク)
3 センタ穴加工機
4 制御装置(コンピュータ)
6 カッタ駆動台
7 第1ワーククランパ
8 第2ワーククランパ
11 フライスカッタ
12 センタリングドリル
13,15,23,25 モータ
14,16,24,26 ボールネジ機構
C 目標ワーク軸心
C1 実ワーク軸心
Claims (4)
- ワークを把持して固定する第1ワーククランパ及び第2ワーククランパと、前記第1及び第2ワーククランパに把持された状態のワークの両端部にセンタ穴を加工する加工部と、前記加工部を、装置本体に対し前後方向であるX軸方向及び上下方向であるY軸方向に移動させる加工部移動手段とを備えるワークのセンタリング方法において、
前記第1ワーククランパをX軸方向に移動させて実ワーク軸心を予め与えられた目標ワーク軸心に平行にする第1工程と、前記加工部をX軸方向に移動させて前記実ワーク軸心のX軸方向位置を前記目標ワーク軸心のX軸方向位置に合わせる第2工程と、前記第2ワーククランパをY軸方向に移動させて実ワーク軸心を前記目標ワーク軸心に平行にする第3工程と、前記加工部をY軸方向に移動させて前記実ワーク軸心のY軸方向位置を前記目標ワーク軸心のY軸方向位置に合わせる第4工程とを備えることを特徴とするセンタリング方法。 - ワークを把持して固定する第1ワーククランパ及び第2ワーククランパと、前記第1及び第2ワーククランパに把持された状態のワークの両端部にセンタ穴を加工する加工部と、前記加工部を、装置本体に対し前後方向であるX軸方向及び上下方向であるY軸方向に移動させる加工部移動手段とを備えるワークのセンタリング方法において、
前記第2ワーククランパをY軸方向に移動させて実ワーク軸心を予め与えられた目標ワーク軸心に平行にする第1工程と、前記加工部をY軸方向に移動させて前記実ワーク軸心のX軸方向位置を前記目標ワーク軸心のY軸方向位置に合わせる第2工程と、前記第1ワーククランパをX軸方向に移動させて実ワーク軸心を前記目標ワーク軸心に平行にする第3工程と、前記加工部をX軸方向に移動させて前記実ワーク軸心のX軸方向位置を前記目標ワーク軸心のX軸方向位置に合わせる第4工程とを備えることを特徴とするセンタリング方法。 - ワークを把持して固定する第1ワーククランパ及び第2ワーククランパと、前記第1及び第2ワーククランパに把持された状態のワークの両端部にセンタ穴を加工する加工部と、前記加工部を、装置本体に対し前後方向であるX軸方向及び上下方向であるY軸方向に移動させる加工部移動手段とを備えるワークのセンタリング装置において、
前記第1ワーククランパをX軸方向に移動させる第1ワーククランパ移動手段と、
前記第2ワーククランパをY軸方向に移動させる第2ワーククランパ移動手段と、
予め与えられた目標ワーク軸心を記憶する記憶手段と、
前記第1ワーククランパ移動手段により前記第1ワーククランパをX軸方向に移動させて実ワーク軸心を前記目標ワーク軸心に平行にするとともに、前記加工部移動手段により前記加工部をX軸方向に移動させて前記実ワーク軸心のX軸方向位置を前記目標ワーク軸心のX軸方向位置に合わせ、かつ、前記第2ワーククランパ移動手段により前記第2ワーククランパをY軸方向に移動させて実ワーク軸心を前記目標ワーク軸心に平行にするとともに、前記加工部移動手段により前記加工部をY軸方向に移動させて前記実ワーク軸心のY軸方向位置を前記目標ワーク軸心のY軸方向位置に合わせるように前記第1及び第2ワーククランパ移動手段並びに前記加工部移動手段をそれぞれ制御するワーククランパ制御手段及び加工部制御手段
を備えることを特徴とするセンタリング装置。 - 前記ワーククランパ制御手段による前記第1及び第2ワーククランパ移動手段の制御と、前記加工部制御手段による前記加工部移動手段の制御とが同時に実行される請求項3に記載のセンタリング装置。
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US13/880,648 US20130287511A1 (en) | 2010-10-22 | 2011-10-05 | Centering method and apparatus |
KR1020137008432A KR20130137166A (ko) | 2010-10-22 | 2011-10-05 | 센터링 방법 및 장치 |
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US10047824B2 (en) * | 2014-07-29 | 2018-08-14 | Deere & Company | Method for pre-balancing and machining a crankshaft based on a mass distribution method |
MX2017015182A (es) * | 2015-06-01 | 2018-04-20 | Nippon Steel & Sumitomo Metal Corp | Metodo y dispositivo para inspeccionar cigüeñal. |
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JPS546188A (en) * | 1977-06-16 | 1979-01-18 | Komatsu Ltd | Recentering machine |
JPS5761443A (en) * | 1980-09-22 | 1982-04-13 | Akashi Seisakusho Co Ltd | Mass centering machine for removal of static unbalance |
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JPS546188A (en) * | 1977-06-16 | 1979-01-18 | Komatsu Ltd | Recentering machine |
JPS5761443A (en) * | 1980-09-22 | 1982-04-13 | Akashi Seisakusho Co Ltd | Mass centering machine for removal of static unbalance |
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