WO2011129008A1 - 歯車加工方法 - Google Patents
歯車加工方法 Download PDFInfo
- Publication number
- WO2011129008A1 WO2011129008A1 PCT/JP2010/056804 JP2010056804W WO2011129008A1 WO 2011129008 A1 WO2011129008 A1 WO 2011129008A1 JP 2010056804 W JP2010056804 W JP 2010056804W WO 2011129008 A1 WO2011129008 A1 WO 2011129008A1
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- WIPO (PCT)
- Prior art keywords
- workpiece
- gear
- amount
- rotation phase
- target
- Prior art date
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Classifications
-
- 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
-
- 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
- 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
- B23F5/20—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 milling
- B23F5/22—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 milling the tool being a hob for making spur gears
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/10—Gear cutting
- Y10T409/101431—Gear tooth shape generating
- Y10T409/10159—Hobbing
- Y10T409/101749—Process
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/10—Gear cutting
- Y10T409/101431—Gear tooth shape generating
- Y10T409/10159—Hobbing
- Y10T409/102544—Hobbing including infeed means
- Y10T409/102703—Hobbing including infeed means to infeed along axis of work rotation
- Y10T409/102862—Infeed of cutter
- Y10T409/103021—Infeed of cutter and infeed radially of axis of work rotation
-
- 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
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/10—Gear cutting
- Y10T409/101431—Gear tooth shape generating
- Y10T409/105883—Using rotary cutter
Definitions
- the present invention relates to a gear machining method for performing gear machining on a gear to be machined by meshing a rotating tool and a gear to be machined and rotating them synchronously.
- a gear machining machine has been provided as a gear machining of a workpiece to be machined with a rotary tool.
- gear processing machines such as a hobbing machine and a gear grinding machine, perform creation processing on a workpiece by a rotating tool such as a hob cutter or a threaded grindstone.
- a rotating tool such as a hob cutter or a threaded grindstone.
- rotation of the workpiece around its axis is performed by rotating a rotary table to which the workpiece is attached around its axis. That is, the work must be mounted on the turntable coaxially with the turntable.
- a mounting jig is attached to the turntable, and the work is attached to the turntable via this mounting jig.
- the workpiece due to factors such as these processing errors and assembly errors, it is difficult to accurately attach the workpiece coaxially with the rotary table.
- a large work having a diameter of several meters and a weight of several tons, such work centering work becomes more difficult.
- the table rotation phase correction amount is used to calculate the cutting correction amount of the hob cutter. Is calculated. Then, the rotary table is rotated by adding the table rotation phase correction amount to the preset target table rotation phase, and the rotary tool is cut by adding the cut correction amount to the preset target cut amount. As a result, gear machining can be performed even when the workpiece is mounted eccentrically.
- the center of the calculated table rotation phase correction amount does not necessarily coincide with the axis of the rotation table, and is set at a position shifted from the rotation axis of the rotation table. There is a case. Furthermore, in the calculation of the cutting correction amount, the target table rotation before correction can be performed even though accurate cutting with a rotary tool cannot be performed unless the actual table rotation phase after correction including the table rotation phase correction amount is used. Phase is used. As a result, with the conventional gear machining method, it is difficult to machine a workpiece mounted eccentrically with high accuracy.
- the present invention solves the above-described problems, and an object thereof is to provide a gear machining method capable of gear machining of a gear to be machined attached eccentrically.
- the gear machining method according to the present invention that solves the above problems is as follows.
- a gear machining method for performing gear machining on a work gear by meshing a rotary tool and a work gear and rotating them synchronously Based on the specifications of the workpiece gear, set a target table rotation phase of the rotary table that rotates the workpiece gear, and a target cutting amount to the workpiece gear of the rotary tool corresponding to the target table rotation phase, Based on the eccentric amount and rotational phase difference of the gear to be processed with respect to the rotary table, a table rotational phase correction amount of the rotary table is obtained, and an actual table rotational phase obtained by adding the table rotational phase correction amount to the target table rotational phase.
- a cutting correction amount of the rotary tool is obtained, and the rotary tool is adjusted with an actual cutting amount in which the cutting correction amount is added to the target cutting amount. It is characterized by being cut into the work gear.
- the work gear can be machined with high accuracy.
- FIG. 1 is a side view of a hobbing machine to which a gear machining method according to an embodiment of the present invention is applied. It is a principal part enlarged view of FIG. It is the schematic plan view which showed the mode when gear-working the workpiece
- a column 12 is supported on the bed 11 of the hobbing machine 1 so as to be movable in the horizontal X-axis direction.
- a hob saddle 13 is supported on the front surface of the column 12 so as to be movable up and down in the vertical Z-axis direction.
- the hob saddle 13 has a hob head 14 that can be swung around a horizontal A axis and in the horizontal Y-axis direction. Is supported so as to be movable.
- a hob cutter (rotary tool) 15 is detachably attached to the hob head 14, and the hob cutter 15 can be rotated around a horizontal B-axis by being attached to the hob head 14.
- a rotary table 16 is supported on the front surface of the column 12 on the bed 11 so as to be rotatable around a vertical C axis.
- a mounting jig 17 is detachably attached to the upper surface of the turntable 16, and a work (workpiece gear) W that is a gear material is detachably attached to the mounting jig 17.
- the work W is not attached to the attachment jig 17.
- a support column 18 is erected on the opposite side of the column 12 across the rotary table 16 on the bed 11.
- An elevating head 19 is supported on the front surface of the support column 18 so as to be movable up and down in the Z-axis direction, and a support center 20 is provided at the tip of the elevating head 19.
- the support center 20 is arranged so that its axis coincides with the C axis. That is, by lowering the support center 20 by the elevating head 19, the workpiece W is rotatably supported between the mounting jig 17 and the support center 20, and in this state, the turntable 16 is rotated. As a result, the workpiece W rotates around the C axis.
- the hobbing machine 1 is provided with an NC device 21 that controls the entire hobbing machine 1 in an integrated manner.
- the NC device 21 is connected to, for example, the column 12, the hob saddle 13, the hob head 14, the rotary table 16, the lifting head 19, and the like, and the hob cutter 15 is configured based on the input machining conditions and workpiece (gear) specifications.
- the movement in the X-axis, Y-axis, and Z-axis directions, turning around the A-axis, rotation around the B-axis, and rotation around the C-axis of the workpiece W are controlled.
- the hob cutter 15 is rotated about the B axis and the rotary table 16 is rotated about the C axis, and from this state, the column 12 is moved in the X axis direction, and the hob cutter 15 is cut into the workpiece W. . Thereby, the outer periphery of the workpiece W is scraped off by the blade portion of the hob cutter 15, and a tooth profile is created on the workpiece W.
- the rotational phase of the rotary table 16 (described later) is canceled so as to cancel the eccentric amount of the work W with respect to the rotary table 16.
- the target table rotation phase Co) and the cutting amount of the hob cutter 15 (the movement amount of the column 12 in the X-axis direction and the target cutting amount Xo described later) are corrected.
- the distance between the center Ot of the rotary table 16 and the center Ow of the workpiece W (hereinafter referred to as the workpiece eccentric amount ⁇ ) and the workpiece W relative to the rotary table 16 are determined.
- the rotational phase difference (hereinafter, workpiece eccentric rotational phase ⁇ ) is measured, and the workpiece eccentric amount ⁇ and the workpiece eccentric rotational phase ⁇ are input to the NC device 21.
- the rotation speed of the hob cutter 15 and the rotary table 16 and the rotary table 16 are rotated at a predetermined rotation based on workpiece specifications for processing the workpiece W inputted in advance into a predetermined tooth profile shape.
- the cutting amount of the hob cutter 15 (hereinafter referred to as target cutting amount Xo) when the phase (hereinafter referred to as target table rotation phase Co) is reached is set.
- the NC device 21 calculates a correction amount added to the target table rotation phase Co, that is, a table rotation phase correction amount ⁇ C, using the workpiece eccentric amount ⁇ and the workpiece eccentric rotation phase ⁇ .
- This table rotation phase correction amount ⁇ C is calculated by the following equation (1).
- ⁇ C ⁇ ⁇ sin (Co + ⁇ ) / (Dp / 2 ⁇ x) (1)
- Dp is a workpiece pitch circle diameter which is one element of the workpiece specifications.
- ⁇ x represents the X-axis direction component of the workpiece eccentricity ⁇
- ⁇ x ⁇ ⁇ cos (Co + ⁇ ).
- the NC device 21 calculates a correction amount added to the target cutting amount Xo, that is, the cutting correction amount ⁇ X, using the actual table rotation phase Ct calculated as described above.
- the actual cutting amount Xh that is the actual cutting amount of the hob cutter 15 is calculated by adding the calculated cutting correction amount ⁇ X to the target cutting amount Xo.
- This actual cutting amount Xh is calculated by the following equation (4).
- Xh Xo + ⁇ X (4)
- the table rotation phase correction amount ⁇ C centered on the center Ot (C axis) of the rotation table 16 is added to the target table rotation phase Co of the rotation table 16 and the target cutting amount Xo of the hob cutter 15 is corrected.
- the cutting correction amount ⁇ X obtained according to the actual table rotation phase Ct the outer periphery of the workpiece W is always in contact with the central portion in the axial direction of the hob cutter 15, so that the apparent shape and the workpiece eccentricity ⁇ of the workpiece W are The tooth profile is created on the outer periphery in such a way that it is canceled out. Thereby, even if the work W is eccentrically attached to the rotary table 16, the work W can be geared with high accuracy.
- the gear machining method according to the present invention is applied to a hobbing method in which a workpiece is hobbed by a hob cutter of the hobbing machine.
- the workpiece is shaped (shaped) by the cutter of the gear shaper.
- the present invention can also be applied to a shaping method and a grinding method in which a workpiece is ground with a threaded grinding wheel of a gear grinding machine.
- the present invention can be applied to a gear machining method capable of preventing damage to a rotary tool or a work due to the work being mounted eccentrically.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
Abstract
Description
回転工具と被加工歯車とを噛み合せ、これらを同期回転させることにより、被加工歯車に歯車加工を行う歯車加工方法であって、
被加工歯車の諸元に基づいて、被加工歯車を回転させる回転テーブルの目標テーブル回転位相と、当該目標テーブル回転位相に対応する前記回転工具の被加工歯車への目標切り込み量とを設定し、
前記回転テーブルに対する被加工歯車の偏心量及び回転位相差に基づいて、前記回転テーブルのテーブル回転位相補正量を求め、前記目標テーブル回転位相に前記テーブル回転位相補正量を加味した実テーブル回転位相で前記回転テーブルを回転させ、
前記偏心量、前記回転位相差、及び、前記実テーブル回転位相に基づいて、前記回転工具の切り込み補正量を求め、前記目標切り込み量に前記切り込み補正量を加味した実切り込み量で前記回転工具を被加工歯車に切り込ませる
ことを特徴とする。
ΔC=δ・sin(Co+φ)/(Dp/2-δx)・・・(1)
なお、Dpはワーク諸元の一要素であるワークピッチ円直径である。また、δxはワーク偏心量δのX軸方向成分を示したものであって、δx=δ・cos(Co+φ)となる。
Ct=Co+ΔC・・・(2)
ΔX=δ・cos(Ct+φ)・・・(3)
Xh=Xo+ΔX・・・(4)
Claims (1)
- 回転工具と被加工歯車とを噛み合せ、これらを同期回転させることにより、被加工歯車に歯車加工を行う歯車加工方法であって、
被加工歯車の諸元に基づいて、被加工歯車を回転させる回転テーブルの目標テーブル回転位相と、当該目標テーブル回転位相に対応する前記回転工具の被加工歯車への目標切り込み量とを設定し、
前記回転テーブルに対する被加工歯車の偏心量及び回転位相差に基づいて、前記回転テーブルのテーブル回転位相補正量を求め、前記目標テーブル回転位相に前記テーブル回転位相補正量を加味した実テーブル回転位相で前記回転テーブルを回転させ、
前記偏心量、前記回転位相差、及び、前記実テーブル回転位相に基づいて、前記回転工具の切り込み補正量を求め、前記目標切り込み量に前記切り込み補正量を加味した実切り込み量で前記回転工具を被加工歯車に切り込ませる
ことを特徴とする歯車加工方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012510519A JP5571173B2 (ja) | 2010-04-16 | 2010-04-16 | 歯車加工方法 |
PCT/JP2010/056804 WO2011129008A1 (ja) | 2010-04-16 | 2010-04-16 | 歯車加工方法 |
EP10849845.2A EP2559511A4 (en) | 2010-04-16 | 2010-04-16 | Gear machining method |
CN201080064980.1A CN102781615B (zh) | 2010-04-16 | 2010-04-16 | 齿轮加工方法 |
US13/581,207 US8939686B2 (en) | 2010-04-16 | 2010-04-16 | Gear machining method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2010/056804 WO2011129008A1 (ja) | 2010-04-16 | 2010-04-16 | 歯車加工方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011129008A1 true WO2011129008A1 (ja) | 2011-10-20 |
Family
ID=44798400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2010/056804 WO2011129008A1 (ja) | 2010-04-16 | 2010-04-16 | 歯車加工方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8939686B2 (ja) |
EP (1) | EP2559511A4 (ja) |
JP (1) | JP5571173B2 (ja) |
CN (1) | CN102781615B (ja) |
WO (1) | WO2011129008A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102945323A (zh) * | 2012-11-13 | 2013-02-27 | 山东华成中德传动设备有限公司 | 一种加工准端面圆弧齿轮的滚刀及其滚刀齿形的计算方法 |
KR20160117512A (ko) * | 2014-02-03 | 2016-10-10 | 시티즌 홀딩스 가부시키가이샤 | 가공장치 및 가공방법 |
CN117047200A (zh) * | 2023-10-13 | 2023-11-14 | 江苏里华机械股份有限公司 | 一种蜗轮齿槽加工车床 |
Families Citing this family (6)
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JP6133131B2 (ja) * | 2013-05-29 | 2017-05-24 | 三菱重工工作機械株式会社 | 内歯車研削方法 |
DE102015104310A1 (de) * | 2015-03-23 | 2016-09-29 | Profilator Gmbh & Co. Kg | Verfahren und Vorrichtung zum Verzahnen eines Werkrades mit vermindertem Flankenlinienformfehler |
JP6622044B2 (ja) * | 2015-09-28 | 2019-12-18 | 三菱重工工作機械株式会社 | 歯車加工機械及び方法 |
JP6730912B2 (ja) * | 2016-10-26 | 2020-07-29 | 三菱重工工作機械株式会社 | 主軸ユニット、及び工作機械 |
CN109079260B (zh) * | 2018-08-03 | 2021-02-09 | 南京工大数控科技有限公司 | 一种圆柱齿轮偏心定位装置及数控倒角算法 |
CN112191949A (zh) * | 2019-07-08 | 2021-01-08 | 株式会社捷太格特 | 齿轮加工辅助装置以及齿轮加工装置 |
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- 2010-04-16 US US13/581,207 patent/US8939686B2/en active Active
- 2010-04-16 EP EP10849845.2A patent/EP2559511A4/en not_active Withdrawn
- 2010-04-16 WO PCT/JP2010/056804 patent/WO2011129008A1/ja active Application Filing
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102945323A (zh) * | 2012-11-13 | 2013-02-27 | 山东华成中德传动设备有限公司 | 一种加工准端面圆弧齿轮的滚刀及其滚刀齿形的计算方法 |
KR20160117512A (ko) * | 2014-02-03 | 2016-10-10 | 시티즌 홀딩스 가부시키가이샤 | 가공장치 및 가공방법 |
US20170182572A1 (en) * | 2014-02-03 | 2017-06-29 | Citizen Holdings Co., Ltd. | Machining device and machining method |
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KR102300019B1 (ko) * | 2014-02-03 | 2021-09-08 | 시티즌 도케이 가부시키가이샤 | 가공장치 및 가공방법 |
CN117047200A (zh) * | 2023-10-13 | 2023-11-14 | 江苏里华机械股份有限公司 | 一种蜗轮齿槽加工车床 |
CN117047200B (zh) * | 2023-10-13 | 2023-12-22 | 江苏里华机械股份有限公司 | 一种蜗轮齿槽加工车床 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2011129008A1 (ja) | 2013-07-11 |
CN102781615B (zh) | 2014-11-26 |
EP2559511A4 (en) | 2017-08-23 |
US8939686B2 (en) | 2015-01-27 |
EP2559511A1 (en) | 2013-02-20 |
CN102781615A (zh) | 2012-11-14 |
JP5571173B2 (ja) | 2014-08-13 |
US20130051948A1 (en) | 2013-02-28 |
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