JP2016203271A5 - Movable device, movable device positioning method, workpiece automatic centering device, production machine, and bearing manufacturing method - Google Patents
Movable device, movable device positioning method, workpiece automatic centering device, production machine, and bearing manufacturing method Download PDFInfo
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- JP2016203271A5 JP2016203271A5 JP2015084333A JP2015084333A JP2016203271A5 JP 2016203271 A5 JP2016203271 A5 JP 2016203271A5 JP 2015084333 A JP2015084333 A JP 2015084333A JP 2015084333 A JP2015084333 A JP 2015084333A JP 2016203271 A5 JP2016203271 A5 JP 2016203271A5
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- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 238000003825 pressing Methods 0.000 claims description 6
- 230000000875 corresponding Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000004587 chromatography analysis Methods 0.000 description 1
Description
本発明は、可動装置、可動装置の位置決め方法、ワークの自動芯出し装置、生産機械、及び軸受の製造方法に関し、より詳細には、安価なオープン制御により可動部やワークを高精度で位置決めすることができる可動装置、可動装置の位置決め方法、ワークの自動芯出し装置、生産機械、及び軸受の製造方法に関する。 The present invention relates to a method for positioning the movable apparatus, mobile, word over click automatic centering device, production machinery, and relates to a manufacturing method of a bearing, and more particularly, the movable portion and work with high accuracy by an inexpensive open control movable device can be positioned, a method of positioning the movable apparatus, the automatic centering device Wa chromatography click, production machinery, and a method of manufacturing a bearing.
本発明は、前述した課題に鑑みてなされたものであり、その目的は、安価な装置により、可動部やワークを高精度で位置決めすることができる可動装置、可動装置の位置決め方法、ワークの自動芯出し装置、生産機械、及び軸受の製造方法を提供することにある。 The present invention has been made in view of the problems described above, and an object by an inexpensive apparatus, a movable device movable portion and the workpiece can be positioned with high accuracy, a method of positioning the movable apparatus, word over click An automatic centering device , a production machine, and a bearing manufacturing method are provided.
本発明の上記目的は、下記の構成により達成される。
（１） 可動部と、
該可動部を所定の位置に移動させる駆動機構と、
前記駆動機構に、前記可動部を前記所定の位置に移動させるための指令値を与える制御装置と、
を備える可動装置であって、
前記制御装置は、前記可動部を少なくとも３点の任意の位置へ移動させるための前記駆動機構への前記指令値と前記可動部の実際の位置との関係から予め求められた演算式に基づいて、前記可動部の目標位置に対応する前記指令値を補正する可動装置。
（２） 前記演算式は、前記可動部を少なくとも３点の任意の位置へ移動させるための前記駆動機構への前記指令値と、前記可動部の実際の位置とから、最小二乗法により求められる（１）に記載の可動装置。
（３） 前記駆動機構は、サーボモータと、該サーボモータで駆動されるボールねじ機構と、を備える（１）又は（２）に記載の可動装置。
（４） ワークが載置されるワークテーブルを有し、該ワークテーブルを回転駆動可能な回転テーブルと、
該回転テーブルの回転軸に対して直交する平面内に、９０°の周方向間隔で配設され、前記ワークが当接可能な当接部を備え、前記ワークの位置決めを行う２台のストッパ装置と、
前記ワークを前記ストッパ装置の前記当接部に当接させるように前記ワークを押圧する押圧装置と、
を備え、前記ワークの芯出しを行うワークの自動芯出し装置であって、
前記２台のストッパ装置は、（１）〜（３）のいずれかに記載の可動装置によって構成され、前記当接部は、前記可動部の先端に設けられるワークの自動芯出し装置。
（５） （１）〜（３）のいずれか１項に記載の可動装置の位置決め方法であって、
前記可動部を少なくとも３点の任意の位置へ移動させるための前記駆動機構への前記指令値と前記可動部の実際の位置との関係から演算式を予め求める工程と、
該演算式に基づいて、前記可動部の目標位置に対応する前記指令値を補正する工程と、を備える可動装置の位置決め方法。
（６） （４）に記載のワークの自動芯出し装置を使用する、（５）に記載の可動装置の位置決め方法であって、前記演算式を予め求める工程は、
マスターワークを前記ワークテーブル上に載置し、前記２台のストッパ装置の前記駆動機構に前記マスターワークを芯出しするための指令値を与えて前記当接部を位置決めし、前記押圧装置によって前記マスターワークを押圧して前記マスターワークを前記２台のストッパ装置の前記当接部に当接させる工程と、
前記ワークテーブルを回転させて、前記回転テーブルの軸芯に対する前記マスターワークの芯ずれを測定する工程と、
前記マスターワークの芯ずれから得られた前記マスターワークの中心のずれ量とずれ方向から、前記各ストッパ装置の当接部の実際の位置を求める工程と、
少なくとも３つの前記マスターワークで求められた、前記駆動機構への前記指令値と前記当接部の実際の位置との関係から演算式を求める工程と、
を備える可動装置の位置決め方法。
（７） （１）〜（３）のいずれか１項に記載の可動装置を備える生産機械。
（８） （５）又は（６）に記載の可動装置の位置決め方法を用いる軸受の製造方法。
The above object of the present invention can be achieved by the following constitution.
(1) a movable part;
A drive mechanism for moving the movable part to a predetermined position;
A control device for giving a command value for moving the movable part to the predetermined position to the drive mechanism;
A movable device comprising:
The control device is based on an arithmetic expression obtained in advance from the relationship between the command value to the drive mechanism for moving the movable part to at least three arbitrary positions and the actual position of the movable part. , variable braking system you correcting the command value corresponding to the target position of the movable portion.
(2) The arithmetic expression is obtained by the least square method from the command value to the drive mechanism for moving the movable part to at least three arbitrary positions and the actual position of the movable part. The movable device according to (1) .
(3) The driving mechanism includes a servo motor, a movable apparatus according to the ball screw mechanism, Ru provided with (1) or (2) which is driven by the servo motor.
(4) a rotary table having a work table on which a work is placed and capable of rotating the work table;
Two stopper devices that are arranged at a circumferential interval of 90 ° in a plane orthogonal to the rotation axis of the rotary table and that have contact portions that can contact the workpiece, and that position the workpiece. When,
A pressing device that presses the workpiece so that the workpiece contacts the contact portion of the stopper device;
A workpiece automatic centering device for centering the workpiece,
The two stopper device (1) is constituted by a movable apparatus according to any one of the - (3), the contact portion, an automatic centering device Ruwa over click provided at the tip of the movable portion .
(5) The positioning method for a movable device according to any one of (1) to (3),
Obtaining an arithmetic expression in advance from the relationship between the command value to the drive mechanism for moving the movable part to at least three arbitrary positions and the actual position of the movable part;
Based on該演formula, process and method of positioning the variable dynamic device Ru with a for correcting the command value corresponding to the target position of the movable portion.
(6) The positioning method of the movable device according to (5), wherein the workpiece automatic alignment device according to (4) is used, and the step of obtaining the calculation formula in advance includes:
A master work is placed on the work table, a command value for centering the master work is given to the drive mechanism of the two stopper devices to position the contact portion, and the pressing device Pressing the master work to bring the master work into contact with the contact portions of the two stopper devices;
Rotating the work table to measure misalignment of the master work with respect to the axis of the rotary table;
A step of obtaining an actual position of the contact portion of each stopper device from a deviation amount and a deviation direction of the center of the master work obtained from the misalignment of the master work;
A step of obtaining an arithmetic expression from the relationship between the command value to the drive mechanism and the actual position of the contact portion, which is obtained by at least three of the master works;
A method for positioning a movable device.
(7) A production machine including the movable device according to any one of (1) to (3).
(8) A bearing manufacturing method using the positioning method for a movable device according to (5) or (6).
Claims (8)
該可動部を所定の位置に移動させる駆動機構と、
前記駆動機構に、前記可動部を前記所定の位置に移動させるための指令値を与える制御装置と、
を備える可動装置であって、
前記制御装置は、前記可動部を少なくとも３点の任意の位置へ移動させるための前記駆動機構への前記指令値と前記可動部の実際の位置との関係から予め求められた演算式に基づいて、前記可動部の目標位置に対応する前記指令値を補正する可動装置。 Moving parts;
A drive mechanism for moving the movable part to a predetermined position;
A control device for giving a command value for moving the movable part to the predetermined position to the drive mechanism;
A movable device comprising:
The control device is based on an arithmetic expression obtained in advance from the relationship between the command value to the drive mechanism for moving the movable part to at least three arbitrary positions and the actual position of the movable part. , variable braking system you correcting the command value corresponding to the target position of the movable portion.
該回転テーブルの回転軸に対して直交する平面内に、９０°の周方向間隔で配設され、前記ワークが当接可能な当接部を備え、前記ワークの位置決めを行う２台のストッパ装置と、
前記ワークを前記ストッパ装置の前記当接部に当接させるように前記ワークを押圧する押圧装置と、
を備え、前記ワークの芯出しを行うワークの自動芯出し装置であって、
前記２台のストッパ装置は、請求項１〜３のいずれか１項に記載の可動装置によって構成され、前記当接部は、前記可動部の先端に設けられるワークの自動芯出し装置。 A work table on which a work is placed, and a rotary table capable of rotating the work table;
Two stopper devices that are arranged at a circumferential interval of 90 ° in a plane orthogonal to the rotation axis of the rotary table and that have contact portions that can contact the workpiece, and that position the workpiece. When,
A pressing device that presses the workpiece so that the workpiece contacts the contact portion of the stopper device;
A workpiece automatic centering device for centering the workpiece,
The two stopper device is constituted by a movable apparatus according to claim 1, wherein the contact portion, an automatic centering device Ruwa over click provided at the tip of the movable portion .
前記可動部を少なくとも３点の任意の位置へ移動させるための前記駆動機構への前記指令値と前記可動部の実際の位置との関係から演算式を予め求める工程と、
該演算式に基づいて、前記可動部の目標位置に対応する前記指令値を補正する工程と、を備える可動装置の位置決め方法。 It is a positioning method of the movable device given in any 1 paragraph of Claims 1-3,
Obtaining an arithmetic expression in advance from the relationship between the command value to the drive mechanism for moving the movable part to at least three arbitrary positions and the actual position of the movable part;
Based on該演formula, process and method of positioning the variable dynamic device Ru with a for correcting the command value corresponding to the target position of the movable portion.
マスターワークを前記ワークテーブル上に載置し、前記２台のストッパ装置の前記駆動機構に前記マスターワークを芯出しするための指令値を与えて前記当接部を位置決めし、前記押圧装置によって前記マスターワークを押圧して前記マスターワークを前記２台のストッパ装置の前記当接部に当接させる工程と、
前記ワークテーブルを回転させて、前記回転テーブルの回転軸軸芯に対する前記マスターワークの芯ずれを測定する工程と、
前記マスターワークの芯ずれから得られた前記マスターワークの中心のずれ量とずれ方向から、前記各ストッパ装置の当接部の実際の位置を求める工程と、
少なくとも３つの前記マスターワークで求められた、前記駆動機構への前記指令値と前記当接部の実際の位置との関係から演算式を求める工程と、
を備える可動装置の位置決め方法。 The positioning method for a movable device according to claim 5, wherein the automatic centering device for workpieces according to claim 4 is used.
A master work is placed on the work table, a command value for centering the master work is given to the drive mechanism of the two stopper devices to position the contact portion, and the pressing device Pressing the master work to bring the master work into contact with the contact portions of the two stopper devices;
Rotating the work table and measuring the misalignment of the master work with respect to the axis of rotation of the rotary table;
A step of obtaining an actual position of the contact portion of each stopper device from a deviation amount and a deviation direction of the center of the master work obtained from the misalignment of the master work;
A step of obtaining an arithmetic expression from the relationship between the command value to the drive mechanism and the actual position of the contact portion, which is obtained by at least three of the master works;
A method for positioning a movable device.
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| JP2015084333A JP6481477B2 (en) | 2015-04-16 | 2015-04-16 | Automatic centering device for workpiece, positioning method for movable device used in automatic centering device, production machine, and bearing manufacturing method |
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| JP2015084333A JP6481477B2 (en) | 2015-04-16 | 2015-04-16 | Automatic centering device for workpiece, positioning method for movable device used in automatic centering device, production machine, and bearing manufacturing method |
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| JP2016203271A JP2016203271A (en) | 2016-12-08 |
| JP2016203271A5 true JP2016203271A5 (en) | 2018-02-22 |
| JP6481477B2 JP6481477B2 (en) | 2019-03-13 |
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| JPS55129741U (en) * | 1979-03-12 | 1980-09-13 | ||
| JPH01147608A (en) * | 1987-12-02 | 1989-06-09 | Toshiba Mach Co Ltd | Correction system for positioning error |
| US5108117A (en) * | 1990-11-28 | 1992-04-28 | Bryant Grinder Corporation | Workpart chuck positioning mechanism with independent shoes |
| JPH071187A (en) * | 1993-06-18 | 1995-01-06 | Topy Ind Ltd | Device for positioning and fixing |
| JP3011104B2 (en) * | 1996-07-30 | 2000-02-21 | 大成機械株式会社 | Automatic centering method on machines such as heavy workpieces |
| JP3269405B2 (en) * | 1996-10-08 | 2002-03-25 | 株式会社東京精密 | Automatic measuring device for numerically controlled machine tools |
| JPH1165625A (en) * | 1997-08-26 | 1999-03-09 | Toyoda Mach Works Ltd | Method for correcting feeding position error for numerical control feeding device and the numerical control feeding device |
| JP4660779B2 (en) * | 2000-08-18 | 2011-03-30 | 学校法人 中央大学 | Method for evaluating position error of moving device and method for improving moving accuracy based on the evaluation result |
| JP2006323773A (en) * | 2005-05-20 | 2006-11-30 | Mori Seiki Co Ltd | Acquisition method for drive controlling correction data |
| JP2011224730A (en) * | 2010-04-20 | 2011-11-10 | Ntn Corp | Centering device and centering method |
| JP2015229211A (en) * | 2014-06-04 | 2015-12-21 | 日本精工株式会社 | Automatic centering device of workpiece and automatic centering method |
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