WO2011121822A1 - 歯車加工機械 - Google Patents
歯車加工機械 Download PDFInfo
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- WO2011121822A1 WO2011121822A1 PCT/JP2010/067022 JP2010067022W WO2011121822A1 WO 2011121822 A1 WO2011121822 A1 WO 2011121822A1 JP 2010067022 W JP2010067022 W JP 2010067022W WO 2011121822 A1 WO2011121822 A1 WO 2011121822A1
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- workpiece
- gear
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- machining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
- B23F5/02—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
- B23F5/04—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding the tool being a grinding worm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/006—Equipment for synchronising movement of cutting tool and workpiece, the cutting tool and workpiece not being mechanically coupled
Definitions
- the present invention relates to a gear processing machine that performs a gearing operation such that a rotational phase relationship that allows a threaded grindstone and a gear to be engaged can be engaged prior to grinding of a gear to be processed by a grindstone.
- a gear grinder has been provided as one that grinds a heat-treated gear with a threaded grindstone or the like and efficiently finishes the tooth surface of the gear.
- the gear grinder in order to grind the gear by relatively rotating the threaded grindstone and the gear, the gear grinder is prior to meshing the threaded grindstone and the gear.
- the tooth-gearing operation is performed so that the rotational phase relationship between the blades (mountain valleys) of the screw-like grindstone and the gear teeth (mountain valleys) can be engaged.
- the gear grinding machine controls the rotation phase of the gear before carrying the gear into the workpiece machining position, and performs the above-described tooth alignment operation in advance. Something that was made to complete is provided.
- a gear grinding machine configured to perform such a tooth alignment operation is disclosed in Patent Document 1, for example.
- the gears during grinding require high-precision positioning to ensure the target machining accuracy and a large rotational driving force that can withstand the machining load.
- the workpiece machining motor for rotating the gear during grinding tends to be a high-precision and large motor.
- the gear is swung from the rotating plate between the workpiece replacement position for exchanging with an unprocessed gear and the workpiece processing position for grinding the gear.
- a plurality of the workpiece processing motors described above are provided on the rotating plate itself.
- the motor that rotates the rotating plate must also be a large motor with high accuracy.
- the processing accuracy may be reduced.
- an object of the present invention is to provide a gear machining machine capable of machining gears with a simple configuration and high accuracy.
- a gear processing machine for solving the above-mentioned problems is as follows.
- a gear processing machine configured to perform a gearing operation so as to have a rotational phase relationship in which the gear processing tool and the gear to be processed can mesh with each other,
- a workpiece machining rotary shaft that is rotatably supported by a bed and rotates a workpiece gear disposed at a workpiece machining position for machining by the gear machining tool;
- a tailstock capable of holding the workpiece gear;
- the tailstock is rotatably supported by the bed, and the tailstock is swung around a work swivel axis between the work machining position side and a work exchange position side for exchanging with an unmachined gear, and the work swivel
- a workpiece turning means for supporting the workpiece so as to be movable in the axial direction;
- Work moving means provided in the work turning means, and moving the tailstock in the work turning axis direction;
- a rotating shaft that is rotatably
- a gear processing machine for solving the above-mentioned problems is as follows.
- the gear machining tool is a threaded grindstone having a thread formed in a spiral on the outer peripheral surface
- the control means includes Based on the rotational phase detected by the rotational phase detecting means before the work gear held by the tail stock is placed at the work machining position by the work turning means and the work moving means, the work gear is After controlling the rotation of the rotating shaft for aligning the workpiece so that the rotation phase can be meshed with the screw grindstone, the rotation of the rotating shaft for workpiece machining, in which the work gear rotates synchronously with the screw-shaped grindstone, is further performed.
- the rotation of the rotating shaft for workpiece alignment is controlled so as to rotate at the same rotational speed as the speed.
- the work processing rotating shaft is rotatably supported on the bed, while the work aligning rotating shaft is rotatably supported on the bed. Since the workpiece processing rotary shaft and the workpiece toothing rotary shaft can be rotated separately by supporting the workpiece gear in a rotatable manner, the gear to be machined can be machined with a simple configuration and high accuracy. be able to.
- the gear processing machine according to the present invention will be described in detail with reference to the drawings.
- the gear processing machine according to the present invention is applied to a gear grinding machine.
- a gear grinding machine (gear processing machine) 1 is provided with a bed 11 on which a column 12 is supported so as to be movable in the horizontal X-axis direction.
- a saddle 13 is supported on the column 12 so as to be able to move up and down in the vertical Z-axis direction, and the grindstone head 14 is supported on the saddle 13 so as to be movable in the X-axis direction and the Y-axis direction orthogonal to the Z-axis direction.
- a grinding wheel spindle 15 is supported by the grinding wheel head 14 so as to be rotatable around a grinding wheel rotation axis B parallel to the Y-axis direction.
- a screw thread is spirally formed on the outer peripheral surface of the tip of the grinding wheel spindle 15.
- the formed threaded grindstone (gear machining tool) 16 is detachably mounted.
- the threaded grindstone 16 can be moved in the X-axis direction, the Y-axis direction, and the Z-axis direction, and the grindstone spindle 15 is rotated by the grindstone head 14. By doing so, the threaded grindstone 16 can be rotated around the grindstone rotation axis B.
- a cylindrical table 21 is provided on the bed 11 so as to face the threaded grindstone 16 of the column 12.
- a cylindrical work processing rotary shaft 22 is supported in the table 21 via a bearing 23 so as to be rotatable around a vertical work rotary shaft C1.
- the workpiece W1 which is an external gear to be processed, can be clamped.
- a workpiece clamping rod 24 is supported in the workpiece machining shaft 22 so as to be slidable in the direction of the shaft (workpiece rotation axis C1).
- a grip portion 24a is formed at the upper end of the work clamping rod 24, and the grip portion 24a can grip an engagement portion 56a of an engagement member 56 described later. Further, a large-diameter piston portion 24 b is formed at the intermediate portion of the workpiece clamping rod 24, and this piston portion 24 b is accommodated in a cylinder chamber 22 a formed in the workpiece machining rotary shaft 22. .
- a workpiece machining motor 25 comprising a stator and a rotor is provided between the inner peripheral surface of the table 21 and the outer peripheral surface of the workpiece machining shaft 22. Accordingly, by driving the workpiece machining motor 25, the workpiece clamping rod 24 rotates together with the workpiece machining rotary shaft 22, so that the workpiece W1 clamped at the upper end of the workpiece machining rotary shaft 22 is moved to the workpiece rotation axis. It can be rotated around C1. At this time, the rotation angle of the workpiece machining shaft 22 is detected by a rotation angle detector (not shown) provided at the lower end of the workpiece machining shaft 22.
- a work turning device (work turning means) 30 is provided on the bed 11 on the opposite side of the column 12 with the table 21 interposed therebetween.
- the workpiece turning device 30 includes a workpiece exchange position P1 for exchanging with an unmachined workpiece W1, and a workpiece machining position P2 for grinding the workpiece W1 with the threaded grindstone 16.
- the workpiece W1 held by the tailstock 50 is conveyed between the two.
- the work turning device 30 includes a fixed portion 31 and a rotating portion 32.
- the fixed portion 31 is fixed on the bed 11, and the rotating portion 32 is supported on the upper portion of the fixed portion 31 via bearings 33 and 34 so as to be rotatable around the workpiece turning axis C ⁇ b> 2.
- a shaft portion 32 a is formed at the lower end of the rotating portion 32.
- a work turning motor 35 including a stator and a rotor is provided between the outer peripheral surface of the shaft portion 32a and the inner peripheral surface of the fixed portion 31, and a rotation is provided at the lower end of the shaft portion 32a.
- An angle detector 36 is provided. Therefore, by driving the workpiece turning motor 35, the rotating portion 32 can be rotated around the workpiece turning axis C2. At this time, the rotation angle of the rotation unit 32 is detected by the rotation angle detector 36.
- a work exchange table 41 is provided on the side of the fixed portion 31 opposite to the side facing the table 21.
- a cylindrical workpiece attachment jig 42 is attached on the workpiece exchange table 41, and the workpiece W1 can be attached to the workpiece attachment jig 42. That is, the workpiece W1 is mounted on the workpiece mounting jig 42, and is thus disposed at the workpiece replacement position P1.
- a tooth alignment sensor (rotation phase detection means) 43 is attached to the work exchange table 41 via an attachment plate 44.
- the tooth alignment sensor 43 is a non-contact type sensor such as a proximity sensor, and detects the positions of the tooth part and tooth gap part (mountain valley) and both left and right tooth surfaces of the workpiece W1.
- the attachment position of the tooth alignment sensor 43 is set so as to face the workpiece W1 positioned slightly above the workpiece replacement position P1.
- a pair of left and right guide rails 37 extending in the Z-axis direction is provided on each of the opposing side surfaces of the rotating portion 32.
- a tail stock 50 is supported on each of these sets of guide rails 37 so as to be movable up and down in the Z-axis direction.
- a tail stock raising / lowering motor (workpiece) corresponding to each tail stock 50 is provided on the upper portion of the rotating portion 32. (Moving means) 51 is provided. Therefore, the tail stock 50 can be raised and lowered in the Z-axis direction by driving the tail stock raising and lowering motor 51.
- a cylindrical work gear alignment rotary shaft 52 is rotatably supported via a bearing 53, and a work arbor 54 is connected to the lower end thereof.
- a workpiece holding rod 55 is slidably supported in the axial direction of these workpieces in the rotation shaft 52 for workpiece alignment and in the workpiece arbor 54.
- An engaging member 56 is connected to the lower end of the workpiece holding rod 55, and a spherical engaging portion 56 a is formed at the lower end of the engaging member 56. The engaging portion 56a can be engaged with the grip portion 24a of the workpiece clamping rod 24 described above.
- annular collet 57 is provided between the lower end of the work arbor 54 and the lower end of the work holding rod 55 over the outer peripheral surface thereof.
- the collet 57 can hold the workpiece W1 from the inside thereof, and the outer diameter thereof is formed slightly smaller than the inner diameter of the workpiece W1.
- the inner peripheral surface of the collet 57 is composed of two upper inclined surfaces and a lower inclined surface with the axial intermediate portion as a boundary.
- the upper inclined surface and the lower inclined surface are the work arbor 54.
- the arbor inclined surface formed at the lower end of the rod and the rod inclined surface formed at the lower end of the workpiece holding rod 55 can be contacted respectively. Accordingly, when the work holding rod 55 is slid, the collet 57 is expanded or contracted by the wedge action on the lower inclined surface of the inclined surface of the rod, so that the work W1 is held or held by the collet 57. Release (cancellation) can be performed.
- a large-diameter spring accommodating portion 52a is formed at the upper end of the workpiece toothing rotating shaft 52, while a pressing portion 55a is formed at the upper end of the workpiece holding rod 55.
- the pressing portion 55a is slidably supported in the spring accommodating portion 52a, and a compressed workpiece holding spring 58 is interposed between the spring accommodating portion 52a and the pressing portion 55a.
- a work holding release cylinder 59 is provided at the upper end of the tail stock 50, and the rod 59a of the work holding release cylinder 59 can press the pressing portion 55a of the work holding rod 55. .
- the rod holding surface 55a of the workpiece holding rod 55 is pressed by the rod 59a of the workpiece holding release cylinder 59 and the workpiece holding spring 58 is contracted, so that the inclined surface of the rod is lowered and the collet 57 Move away from the lower inclined surface (inner peripheral surface).
- the collet 57 is reduced in diameter, the holding of the workpiece W1 by the collet 57 can be released.
- a work tooth alignment motor 60 composed of a stator and a rotor is provided between the inner peripheral surface of the tailstock 50 and the outer peripheral surface of the work tooth alignment rotating shaft 52 (spring accommodating portion 52a).
- a rotation angle detector 61 is provided at the upper end of the workpiece alignment shaft 52. Accordingly, by driving the workpiece alignment motor 60, the workpiece holding rod 55 rotates together with the workpiece alignment shaft 52, so that the workpiece W1 held by the collet 57 can be rotated. At this time, the rotation angle of the rotation shaft 52 for aligning the workpiece teeth is detected by the rotation angle detector 61.
- the gear grinder 1 is provided with an NC device (control means) 90 that controls the gear grinder 1 as a whole.
- the NC device 90 includes, for example, a column 12, a saddle 13, a grindstone head. 14, the workpiece turning device 30, the tooth alignment sensor 43, the tailstock 50, and the like.
- the NC device 90 controls the grinding operation of the workpiece W1 by the threaded grindstone 16 based on the input workpiece specifications and processing (grinding) conditions, and before performing this grinding operation, the screw
- the tooth-gearing operation is controlled so as to achieve a rotational phase relationship in which the shaped grindstone 16 and the workpiece W1 can mesh with each other.
- the tail stock 50 that has already been turned is lowered on the axis of the workpiece replacement position P1, and the collet 57 is disposed inside the workpiece W1.
- the collet 57 is expanded by the action of the work holding spring 58 to hold the work W1, and then the tail stock 50 is slightly raised.
- the workpiece tooth alignment motor 60 is driven to rotate the workpiece W1 at a low speed for tooth alignment.
- the tooth alignment sensor 43 detects the rotational phase error from the teeth (mountain valley) of the workpiece W1.
- the workpiece aligning motor 60 is further driven so that the rotational phase error is corrected, and the workpiece W1 is rotated at a high processing rotational speed.
- the work turning motor 35 is driven to turn the tail stock 50 holding the work W1 around the work turning axis C2.
- the workpiece W1 moves toward the workpiece machining position P2, and is disposed coaxially with the workpiece rotation axis C1.
- the tail stock 50 is lowered, and the workpiece W1 is arranged on the workpiece machining rotary shaft 22 which is the workpiece machining position P2.
- the engaging portion 56a of the engaging member 56 is gripped by the gripping portion 24a of the work clamping rod 24, and the work clamping rod 24 is moved downward by supplying hydraulic pressure to the upper space portion of the cylinder chamber 22a. Therefore, the workpiece W1 is clamped between the workpiece processing rotary shaft 22 and the workpiece arbor 54. As a result, the workpiece W1 is rotated around the workpiece rotation axis C1 at a machining rotational speed in a clamped state. Note that the workpiece machining shaft 22 rotates in advance at the machining rotation speed before the workpiece W1 is clamped.
- the tooth surface of the workpiece W1 is ground by the blade surface of the threaded grindstone 16 by swinging the threaded grindstone 16 in the Z-axis direction from such a meshed state.
- the tail stock 50 is turned and further lowered, and the held processed workpiece W1 is placed on the workpiece mounting jig 42.
- the collet 57 is reduced in diameter by driving the workpiece holding release cylinder 59 to release the holding of the workpiece W1, and then the tail stock 50 is raised. Thereby, it replaces
- movement and grinding operation are performed repeatedly.
- the threaded grindstone 16 is used as the grindstone for grinding the workpiece W1, but a disc-shaped grindstone (gear machining tool) may be used.
- the workpiece W1 is positioned by the workpiece alignment motor 60 so that the rotation phase error is corrected. To do. Next, the positioned workpiece W1 is turned and clamped at the workpiece machining position P2. Then, the workpiece grinding rotary shaft 22 and the workpiece toothing rotary shaft 52 are indexed and rotated by one tooth gap of the workpiece W1, and the workpiece W1 is rotated by the grinding wheel rotated around the grinding wheel rotation axis B. Try to grind.
- the workpiece gear for grinding is the workpiece W1 of the external gear, but it may be the workpiece W2 of the internal gear. Therefore, a gear grinding machine (gear processing machine) capable of grinding the workpiece W2, which is such an internal gear to be processed, will be described in detail with reference to FIGS. 4 (a) and 4 (b).
- a gear grinding machine gear processing machine capable of grinding the workpiece W2, which is such an internal gear to be processed.
- symbol is attached
- a cylindrical collet accommodating portion 71 is formed at the upper end of the workpiece machining rotary shaft 22, and a cylindrical workpiece clamp collet is formed at the upper end of the workpiece clamping rod 24. 72 is connected.
- the work clamp collet 72 is disposed so as to be accommodated in the collet accommodating portion 71.
- the work clamping collet 72 enables the workpiece W2 to be clamped from the outside thereof, and has an inner diameter slightly larger than the outer diameter of the workpiece W2.
- An outer inclined surface is formed on the outer peripheral surface of the upper end of the work clamp collet 72, and this outer inclined surface can come into contact with an inner inclined surface formed at the upper end of the collet housing portion 71. Accordingly, by sliding the work clamping rod 24, the upper end of the work clamping collet 72 is expanded or contracted by the wedge action of the inner inclined surface on the outer inclined surface. The workpiece W2 can be clamped or unclamped.
- a cylindrical work arbor 81 is connected to the lower end of the work gear alignment rotary shaft 52, and a work holding rod 55 is provided in the work arbor 81. It is slidably supported in the axial direction.
- a cylindrical work holding collet 82 is connected to the lower end of the work holding rod 55, and this work holding collet 82 is disposed so as to be accommodated in the work arbor 81.
- the work holding collet 82 is capable of holding the work W2 from the outside, and has an inner diameter slightly larger than the outer diameter of the work W2. Further, an outer inclined surface is formed on the outer peripheral surface of the lower end of the work holding collet 82, and this outer inclined surface can come into contact with the inner inclined surface formed at the lower end of the work arbor 81. Accordingly, by sliding the workpiece holding rod 55, the lower end of the workpiece holding collet 82 is expanded or contracted by the wedge action of the inner inclined surface on the outer inclined surface. The workpiece W2 can be held or released (released).
- the tooth alignment sensor 43 is provided inside the workpiece mounting jig. Further, the threaded grindstone 16 is changed to a size that can mesh with the internal teeth of the workpiece W2. Then, after the workpiece W2 is clamped by the work clamping collet 72, the holding of the workpiece holding collet 82 is released, and the workpiece holding collet 82 is retracted upward. Next, the workpiece W2 is ground by the threaded grindstone 16 moved into the workpiece W2.
- the workpiece rotating shaft 22 is rotatably supported on the bed 11, while the workpiece toothing rotating shaft 52 is rotatably supported on the bed 11.
- the motor 60 can be provided separately.
- the workpiece tooth alignment motor 60 simply rotates the workpieces W1 and W2 when the workpieces W1 and W2 are aligned, and when grinding the workpiece W1, the workpiece machining rotary shaft 22 is rotated.
- the workpiece W1 is clamped and rotated at the same processing rotational speed as that of the workpiece processing rotary shaft 22 and the workpiece W2 is ground, it is not necessary to retreat from the workpiece W2 and rotate.
- the workpiece aligning motor 60 can be made inexpensive and small, and the workpiece turning motor 35 for turning the tail stock 50 including the workpiece aligning motor 60 is also provided. It can be made relatively small. Further, by rotating the workpiece machining shaft 22 on the bed 11 having high rigidity, the workpiece machining shaft 22 is rotated without being affected by the machining load from the threaded grindstone 16. be able to. Therefore, the workpieces W1 and W2 can be ground with a simple configuration and high accuracy.
- the present invention can be applied to a gear grinding machine for the purpose of appropriately performing tooth alignment between a grindstone and a work gear in a short time.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
Description
歯車加工用工具による被加工歯車の加工を行うに先立って、前記歯車加工用工具と被加工歯車とが噛み合い可能な回転位相関係となるような歯合わせ動作を行うようにした歯車加工機械において、
ベッドに回転可能に支持され、前記歯車加工用工具による加工を行うためのワーク加工位置に配置された被加工歯車を回転させるワーク加工用回転軸と、
被加工歯車を保持可能なテールストックと、
前記ベッドに回転可能に支持され、前記テールストックを、前記ワーク加工位置側と未加工の被加工歯車に交換するためのワーク交換位置側との間でワーク旋回軸周りに旋回させると共に、ワーク旋回軸方向に移動可能に支持するワーク旋回手段と、
前記ワーク旋回手段に設けられ、前記テールストックをワーク旋回軸方向に移動させるワーク移動手段と、
前記テールストックに設けられ、当該テールストックに保持された被加工歯車を回転させるワーク歯合わせ用回転軸と、
前記ワーク歯合わせ用回転軸によって回転された被加工歯車の回転位相を検出する回転位相検出手段と、
前記ワーク旋回手段及び前記ワーク移動手段によって、前記テールストックに保持された被加工歯車を前記ワーク加工位置に配置する前に、前記回転位相検出手段が検出した回転位相に基づいて、被加工歯車が前記歯車加工用工具と噛み合い可能な回転位相となるように、前記ワーク歯合わせ用回転軸の回転を制御する制御手段とを備える
ことを特徴とする。
前記歯車加工用工具は、外周面に螺旋状にねじ山が形成されたねじ状砥石であって、
前記制御手段は、
前記ワーク旋回手段及び前記ワーク移動手段によって、前記テールストックに保持された被加工歯車を前記ワーク加工位置に配置する前に、前記回転位相検出手段が検出した回転位相に基づいて、被加工歯車が前記ねじ砥石と噛み合い可能な回転位相となるように、前記ワーク歯合わせ用回転軸の回転を制御した後、更に、被加工歯車が前記ねじ状砥石と同期回転する前記ワーク加工用回転軸の回転速度と同じ回転速度で回転するように、前記ワーク歯合わせ用回転軸の回転を制御する
ことを特徴とする。
Claims (2)
- 歯車加工用工具による被加工歯車の加工を行うに先立って、前記歯車加工用工具と被加工歯車とが噛み合い可能な回転位相関係となるような歯合わせ動作を行うようにした歯車加工機械において、
ベッドに回転可能に支持され、前記歯車加工用工具による加工を行うためのワーク加工位置に配置された被加工歯車を回転させるワーク加工用回転軸と、
被加工歯車を保持可能なテールストックと、
前記ベッドに回転可能に支持され、前記テールストックを、前記ワーク加工位置側と未加工の被加工歯車に交換するためのワーク交換位置側との間でワーク旋回軸周りに旋回させると共に、ワーク旋回軸方向に移動可能に支持するワーク旋回手段と、
前記ワーク旋回手段に設けられ、前記テールストックをワーク旋回軸方向に移動させるワーク移動手段と、
前記テールストックに設けられ、当該テールストックに保持された被加工歯車を回転させるワーク歯合わせ用回転軸と、
前記ワーク歯合わせ用回転軸によって回転された被加工歯車の回転位相を検出する回転位相検出手段と、
前記ワーク旋回手段及び前記ワーク移動手段によって、前記テールストックに保持された被加工歯車を前記ワーク加工位置に配置する前に、前記回転位相検出手段が検出した回転位相に基づいて、被加工歯車が前記歯車加工用工具と噛み合い可能な回転位相となるように、前記ワーク歯合わせ用回転軸の回転を制御する制御手段とを備える
ことを特徴とする歯車加工機械。 - 請求項1に記載の歯車加工機械において、
前記歯車加工用工具は、外周面に螺旋状にねじ山が形成されたねじ状砥石であって、
前記制御手段は、
前記ワーク旋回手段及び前記ワーク移動手段によって、前記テールストックに保持された被加工歯車を前記ワーク加工位置に配置する前に、前記回転位相検出手段が検出した回転位相に基づいて、被加工歯車が前記ねじ砥石と噛み合い可能な回転位相となるように、前記ワーク歯合わせ用回転軸の回転を制御した後、更に、被加工歯車が前記ねじ状砥石と同期回転する前記ワーク加工用回転軸の回転速度と同じ回転速度で回転するように、前記ワーク歯合わせ用回転軸の回転を制御する
ことを特徴とする歯車加工機械。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10848995A EP2554315A1 (en) | 2010-03-31 | 2010-09-30 | Gear processing machine |
BR112012021276A BR112012021276A2 (pt) | 2010-03-31 | 2010-09-30 | máquina de processamento de engrenagem. |
US13/580,396 US8979616B2 (en) | 2010-03-31 | 2010-09-30 | Gear processing machine |
CN201080065089.XA CN102791411B (zh) | 2010-03-31 | 2010-09-30 | 齿轮加工机械 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-080728 | 2010-03-31 | ||
JP2010080728A JP5308388B2 (ja) | 2010-03-31 | 2010-03-31 | 歯車加工機械 |
Publications (1)
Publication Number | Publication Date |
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WO2011121822A1 true WO2011121822A1 (ja) | 2011-10-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2010/067022 WO2011121822A1 (ja) | 2010-03-31 | 2010-09-30 | 歯車加工機械 |
Country Status (7)
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US (1) | US8979616B2 (ja) |
EP (1) | EP2554315A1 (ja) |
JP (1) | JP5308388B2 (ja) |
CN (1) | CN102791411B (ja) |
BR (1) | BR112012021276A2 (ja) |
TW (1) | TWI430862B (ja) |
WO (1) | WO2011121822A1 (ja) |
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JP2013158865A (ja) * | 2012-02-03 | 2013-08-19 | Mitsubishi Heavy Ind Ltd | 歯車研削盤 |
CN103801768A (zh) * | 2012-11-14 | 2014-05-21 | 伯里机床有限责任两合公司 | 用于产生轮廓的机床 |
JP2015136747A (ja) * | 2014-01-21 | 2015-07-30 | 株式会社 神崎高級工機製作所 | 歯車加工装置及び歯車加工方法 |
Families Citing this family (23)
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- 2010-09-30 WO PCT/JP2010/067022 patent/WO2011121822A1/ja active Application Filing
- 2010-09-30 BR BR112012021276A patent/BR112012021276A2/pt not_active IP Right Cessation
- 2010-09-30 CN CN201080065089.XA patent/CN102791411B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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JP5308388B2 (ja) | 2013-10-09 |
US20130045667A1 (en) | 2013-02-21 |
BR112012021276A2 (pt) | 2016-10-25 |
CN102791411A (zh) | 2012-11-21 |
TW201134587A (en) | 2011-10-16 |
EP2554315A1 (en) | 2013-02-06 |
JP2011212762A (ja) | 2011-10-27 |
TWI430862B (zh) | 2014-03-21 |
CN102791411B (zh) | 2015-06-10 |
US8979616B2 (en) | 2015-03-17 |
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