JP2018069391A5 - Grinding apparatus and rolling bearing manufacturing method using the same - Google Patents

Grinding apparatus and rolling bearing manufacturing method using the same Download PDF

Info

Publication number
JP2018069391A5
JP2018069391A5 JP2016212861A JP2016212861A JP2018069391A5 JP 2018069391 A5 JP2018069391 A5 JP 2018069391A5 JP 2016212861 A JP2016212861 A JP 2016212861A JP 2016212861 A JP2016212861 A JP 2016212861A JP 2018069391 A5 JP2018069391 A5 JP 2018069391A5
Authority
JP
Japan
Prior art keywords
truing
grindstone
workpiece
grinding
diameter
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2016212861A
Other languages
Japanese (ja)
Other versions
JP2018069391A (en
JP6862764B2 (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2016212861A priority Critical patent/JP6862764B2/en
Priority claimed from JP2016212861A external-priority patent/JP6862764B2/en
Publication of JP2018069391A publication Critical patent/JP2018069391A/en
Publication of JP2018069391A5 publication Critical patent/JP2018069391A5/en
Application granted granted Critical
Publication of JP6862764B2 publication Critical patent/JP6862764B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Description

本発明は、ツルーイング装置を備える研削装置およびこれを用いる転がり軸受の製造方法に関する。 The present invention relates to a grinding device including a truing device and a method of manufacturing a rolling bearing using the grinding device.

そこで、本発明は、このような従来の技術の有する未解決の課題に着目してなされたものであって、簡易かつ低コストで、機械の熱変形による影響を受けづらくすることが可能な研削装置およびこれを用いる転がり軸受の製造方法を提供することを目的としている。 Accordingly, the present invention has been made paying attention to such an unsolved problem of the prior art, and is simple and low-cost, and can be made difficult to be affected by thermal deformation of a machine. It is an object of the present invention to provide a device and a method of manufacturing a rolling bearing using the same.

そして、前記測定基準と前記ドレッサーとは、熱的影響による前記相対距離の誤差が予め設定した目標加工精度を満たす範囲内となる位置関係に配設されている。
また、上記目的を達成するために、本発明の一の態様に係る転がり軸受の製造方法は、ワークとして転がり軸受の軌道輪を対象とし、本発明の第1の態様に係る研削装置を用いて転がり軸受を製造する。
The measurement standard and the dresser are arranged in a positional relationship such that an error in the relative distance due to thermal influence is within a range that satisfies a preset target machining accuracy.
In order to achieve the above object, a method of manufacturing a rolling bearing according to one aspect of the present invention is intended for a bearing ring of a rolling bearing as a workpiece, and uses the grinding apparatus according to the first aspect of the present invention. Manufactures rolling bearings.

Claims (11)

第1の回転軸と該第1の回転軸の先端部に取付けられた回転砥石と前記第1の回転軸を回転駆動する第1の回転駆動源とを有する研削部と、
ワークを固定支持するワーク支持用部材と、前記ワーク支持用部材を第2の回転軸を介して前記第1の回転軸と並行な軸回りに回転可能に支持する支持台と、前記第2の回転軸を回転駆動する第2の回転駆動源とを有するワーク支持部と、
センサ軸と該センサ軸の先端部に設けられた接触式の測定子とを有するタッチプローブと、
前記研削部及び前記タッチプローブを軸並行に固定支持するベース部と、
前記タッチプローブの位置基準となる測定基準と、
基台と該基台の前記ワーク支持部と対向する側に設けられた前記回転砥石をツルーイングするためのドレッサーとを有するツルーイング部と、
移動駆動源及び案内部材を備え、前記移動駆動源の駆動力によって、前記ベース部を、前記ワークの研削位置、前記回転砥石のツルーイング位置、前記ワークの形状の測定位置及び前記測定基準の測定位置へと前記案内部材に沿って直交2軸方向に移動する移動機構部と、
前記第1及び第2の回転駆動源並びに前記移動駆動源を駆動制御して、研削用の回転速度で回転する前記回転砥石を前記ワーク支持用部材に固定支持された前記ワークに接触させて、前記ワークを研削する処理を行う研削処理部と、
前記移動駆動源を駆動制御して、前記タッチプローブの前記測定子を前記ワーク支持部に固定支持された研削加工後の前記ワークに接触させて、該ワークの形状を測定する処理を行うワーク形状測定処理部と、
前記移動駆動源を駆動制御して、前記タッチプローブを前記測定基準に接触させて、前記測定基準の位置座標を測定する処理を行う測定基準座標測定部と、
前記第1の回転駆動源及び前記移動駆動源を駆動制御して、ツルーイング用の回転速度で回転する前記回転砥石を前記ツルーイング部の前記ドレッサーに接触させて前記回転砥石をツルーイングする処理を行うツルーイング処理部と、
前記回転砥石とツルーイング時に接触する前記ドレッサーの接触点であるツルーイング点の位置座標を測定するツルーイング点座標測定部と、
ツルーイング終了時の前記ベース部の位置座標を前記測定基準の位置座標で代表して、該測定基準の位置座標とツルーイング終了時に前記ツルーイング点座標測定部で測定した前記ツルーイング点の位置座標との相対距離と、前記ワーク形状測定処理部で測定した前記ワークの形状情報とに基づき、研削加工時に前記回転砥石が前記ワークと接触するときの前記代表の位置座標に対応する前記ベース部の位置座標を決定するベース位置決定部と、
前記ベース位置決定部で決定した前記ベース部の位置座標に基づき前記ワークの仕上げ加工を行う仕上げ加工部と、を備え、
前記測定基準と前記ドレッサーとは、熱的影響による前記相対距離の誤差が予め設定した目標加工精度を満たす範囲内となる位置関係に配設されている研削装置。
A grinding unit having a first rotating shaft, a rotating grindstone attached to the tip of the first rotating shaft, and a first rotation driving source for rotating the first rotating shaft;
A workpiece support member for fixedly supporting the workpiece, a support base for supporting the workpiece support member rotatably about an axis parallel to the first rotation axis via a second rotation axis, and the second A work support having a second rotational drive source for rotationally driving the rotational shaft;
A touch probe having a sensor shaft and a contact-type measuring element provided at the tip of the sensor shaft;
A base portion for fixing and supporting the grinding portion and the touch probe in parallel with the axis;
A measurement standard that is a position reference of the touch probe;
A truing part having a base and a dresser for truing the rotating grindstone provided on the side of the base facing the work support part;
A movable drive source and a guide member, and the base portion is moved to a grinding position of the workpiece, a truing position of the rotary grindstone, a measurement position of the shape of the workpiece, and a measurement position of the measurement reference by a driving force of the movement drive source. A moving mechanism that moves in two orthogonal directions along the guide member;
Driving and controlling the first and second rotational drive sources and the movable drive source, the rotating grindstone rotating at a rotational speed for grinding is brought into contact with the work fixedly supported by the work supporting member, A grinding processing section for performing processing for grinding the workpiece;
A workpiece shape for performing a process of measuring the shape of the workpiece by controlling the movement drive source to bring the measuring element of the touch probe into contact with the workpiece after grinding fixedly supported by the workpiece support portion. A measurement processing unit;
A measurement reference coordinate measuring unit for controlling the movement drive source to bring the touch probe into contact with the measurement reference and measuring the position coordinate of the measurement reference;
Truing that performs a process of truing the rotating grindstone by drivingly controlling the first rotational driving source and the moving driving source to bring the rotating grindstone rotating at a truing rotational speed into contact with the dresser of the truing portion. A processing unit;
A truing point coordinate measuring unit for measuring a position coordinate of a truing point which is a contact point of the dresser which is in contact with the rotating grindstone during truing;
The position coordinate of the base at the end of truing is represented by the position coordinate of the measurement reference, and the relative position between the position coordinate of the measurement reference and the position coordinate of the truing point measured by the truing point coordinate measurement unit at the end of truing Based on the distance and the shape information of the workpiece measured by the workpiece shape measurement processing unit, the position coordinates of the base portion corresponding to the representative position coordinates when the rotating grindstone contacts the workpiece at the time of grinding are calculated. A base position determination unit to determine;
A finishing section that performs a finishing process on the workpiece based on the position coordinates of the base section determined by the base position determination section,
The grinding apparatus in which the measurement standard and the dresser are disposed in a positional relationship in which an error in the relative distance due to thermal influence falls within a range that satisfies a preset target machining accuracy.
前記測定基準は前記ツルーイング部を構成する前記基台に設けられている請求項1に記載の研削装置。   The grinding apparatus according to claim 1, wherein the measurement reference is provided on the base constituting the truing portion. 研削加工時の前記回転砥石と前記ワークとの接触点である加工点の位置が、前記直交2軸方向に対して直交する軸方向から視て、前記第1の回転軸を挟んで前記ツルーイング点側に位置するように構成されている請求項1又は2に記載の研削装置。   The position of the machining point that is the contact point between the rotating grindstone and the workpiece during grinding is viewed from an axial direction orthogonal to the two orthogonal axes, and the truing point across the first rotational axis. The grinding apparatus according to claim 1, wherein the grinding apparatus is configured to be positioned on a side. 前記ワークは、転がり軸受の軌道輪を構成する円環状の部材であり、
前記研削処理部は、前記ワークの周面に転動体の転動路となる溝を研削する溝研削処理
を行うように構成されており、
前記ワーク形状測定処理部は、前記ワークの周面に形成された前記溝の前記ワークの中心を介して対向又は背面対向する2つの溝部の形状を測定すると共に、該2つの溝部の形状から特定される溝底部の座標に基づき溝底部間の直線距離である溝底径及び前記ワークの中心位置の座標を算出する処理を行うように構成されており、
前記ベース位置決定部は、前記測定基準の位置座標とツルーイング終了時の前記ツルーイング点の位置座標との相対距離と、前記溝底径及び前記ワークの中心位置の座標とに基づき、研削加工時に前記回転砥石が前記ワークと接触するときの前記代表の位置座標に対応する前記ベース部の位置座標を決定する請求項3に記載の研削装置。
The workpiece is an annular member constituting a bearing ring of a rolling bearing,
The grinding processing unit is configured to perform a groove grinding process for grinding a groove serving as a rolling path of a rolling element on the peripheral surface of the workpiece,
The workpiece shape measurement processing unit measures the shapes of two grooves facing each other or facing the back via the center of the workpiece of the groove formed on the peripheral surface of the workpiece, and specifies from the shapes of the two grooves. Is configured to perform processing to calculate the groove bottom diameter, which is a linear distance between the groove bottoms, and the coordinates of the center position of the workpiece based on the coordinates of the groove bottoms to be
The base position determination unit is based on the relative distance between the position coordinates of the measurement reference and the position coordinates of the truing point at the end of truing, and the coordinates of the groove bottom diameter and the center position of the workpiece, during the grinding process. The grinding apparatus according to claim 3, wherein a position coordinate of the base portion corresponding to the representative position coordinate when the rotating grindstone contacts the workpiece is determined.
前記ワークは、前記転がり軸受の外輪を構成する部材であり、
前記直交2軸は、鉛直方向の一方の軸であるZ軸と、前記ワーク支持部と前記ツルーイング部とが並ぶ方向の他方の軸であるX軸とから構成され、
前記測定基準のX軸座標及びZ軸座標とツルーイング終了時点の前記ツルーイング点のX軸座標及びZ軸座標との相対距離をXrt及びZrtとし、前記外輪を構成する部材に形成された溝の溝底径である第1の溝底径をDiとし、前記外輪を構成する部材の中心位置のX軸座標及びZ軸座標である第1の中心座標をXci及びZciとし、前記代表の位置座標に対応する前記ベース部のX軸座標及びZ軸座標をXb及びZbとして、該Xb及びZbを下式(1)及び(2)に従って算出する請求項4に記載の研削装置。
Xb=Xci+Xrt+Di/2 ・・・(1)
Zb=Zci+Zrt ・・・(2)
The workpiece is a member constituting an outer ring of the rolling bearing,
The orthogonal two axes are composed of a Z axis that is one axis in the vertical direction and an X axis that is the other axis in the direction in which the work support portion and the truing portion are aligned.
The relative distance between the X-axis coordinate and Z-axis coordinate of the measurement reference and the X-axis coordinate and Z-axis coordinate of the truing point at the end of truing is Xrt and Zrt, and the groove formed in the member constituting the outer ring The first groove bottom diameter, which is the bottom diameter, is set to Di, and the X-axis coordinates and the first center coordinates, which are the Z-axis coordinates, of the center position of the members constituting the outer ring are set to Xci and Zci. 5. The grinding apparatus according to claim 4, wherein the X-axis coordinate and the Z-axis coordinate of the corresponding base portion are set as Xb and Zb, and Xb and Zb are calculated according to the following expressions (1) and (2).
Xb = Xci + Xrt + Di / 2 (1)
Zb = Zci + Zrt (2)
研削加工時の前記回転砥石と前記ワークとの接触点である加工点の位置が、前記直交2軸方向に対して直交する軸方向から視て、前記第1の回転軸を挟んで前記ツルーイング点とは反対側に位置するように構成され、
前記回転砥石の直径である砥石径を測定する砥石径測定部を備え、
前記ベース位置決定部は、前記測定基準の位置座標とツルーイング終了時の前記ツルーイング点の位置座標との相対距離と、前記ツルーイング終了時に前記砥石径測定部で測定した前記砥石径と、前記ワークの形状情報とに基づき、研削加工時に前記回転砥石が前記ワークと接触するときの前記代表の位置座標に対応する前記ベース部の位置座標を決定する請求項1又は2に記載の研削装置。
The position of the machining point that is the contact point between the rotating grindstone and the workpiece during grinding is viewed from the axial direction perpendicular to the two orthogonal axes, and the truing point across the first rotational axis. Configured to be on the opposite side of
A grindstone diameter measuring unit for measuring a grindstone diameter that is a diameter of the rotating grindstone,
The base position determination unit includes a relative distance between a position coordinate of the measurement reference and a position coordinate of the truing point at the end of truing, the grindstone diameter measured by the grindstone diameter measuring unit at the end of truing, and the workpiece The grinding apparatus according to claim 1, wherein position coordinates of the base portion corresponding to the representative position coordinates when the rotating grindstone contacts the workpiece during grinding are determined based on shape information.
前記ワークは、転がり軸受の軌道輪を構成する円環状の部材であり、
前記研削処理部は、前記ワークの周面に転動体の転動路となる溝を研削する溝研削処理を行うように構成されており、
前記ワーク形状測定処理部は、前記ワークの周面に形成された前記溝の前記ワークの中心を介して背面対向する2つの溝部の形状を測定すると共に、該2つの溝部の形状から特定される溝底部の座標に基づき溝底部間の直線距離である溝底径及び前記ワークの中心位置の座標を算出する処理を行うように構成されており、
前記ベース位置決定部は、ツルーイング終了時の前記測定基準の位置座標と前記ツルーイング点の位置座標との相対距離と、前記ツルーイング終了時の前記砥石径と、前記溝底径及び前記ワークの中心位置の座標とに基づき、研削加工時に前記回転砥石が前記ワークと接触するときの前記代表の位置座標に対応する前記ベース部の位置座標を決定する請求項6に記載の研削装置。
The workpiece is an annular member constituting a bearing ring of a rolling bearing,
The grinding processing unit is configured to perform a groove grinding process for grinding a groove serving as a rolling path of a rolling element on the peripheral surface of the workpiece,
The workpiece shape measurement processing unit measures the shape of two grooves facing the back surface of the groove formed on the peripheral surface of the workpiece through the center of the workpiece, and is specified from the shape of the two grooves. Based on the coordinates of the groove bottom, it is configured to perform processing for calculating the groove bottom diameter, which is a linear distance between the groove bottoms, and the coordinates of the center position of the workpiece,
The base position determination unit includes a relative distance between the position coordinates of the measurement reference at the end of truing and the position coordinates of the truing point, the grindstone diameter at the end of truing, the groove bottom diameter, and the center position of the workpiece. The grinding apparatus according to claim 6, wherein the position coordinates of the base portion corresponding to the representative position coordinates when the rotating grindstone contacts the workpiece during grinding are determined based on the coordinates of the base portion.
前記ワークは、前記転がり軸受の内輪を構成する部材であり、
前記直交2軸は、鉛直方向の一方の軸であるZ軸と、前記ワーク支持部と前記ツルーイング部とが並ぶ方向の他方の軸であるX軸とから構成され、
前記測定基準のX軸座標及びZ軸座標とツルーイング終了時の前記ツルーイング点のX軸座標及びZ軸座標との相対距離をXrt及びZrtとし、前記ツルーイング終了時の前
記砥石径をDwとし、前記内輪を構成する部材に形成された溝の溝底径である第2の溝底径をDoとし、前記内輪を構成する部材の中心位置のX軸座標及びZ軸座標である第2の中心座標をXoc及びZocとし、前記代表の位置座標に対応する前記ベース部のX軸座標及びZ軸座標をXb及びZbとして、該Xb及びZbを下式(3)及び(4)に従って算出する請求項7に記載の研削装置。
Xb=Xoc+Do/2+Xrt+Dw ・・・(3)
Zb=Zoc+Zrt ・・・(4)
The workpiece is a member constituting an inner ring of the rolling bearing,
The orthogonal two axes are composed of a Z axis that is one axis in the vertical direction and an X axis that is the other axis in the direction in which the work support portion and the truing portion are aligned.
The relative distance between the X-axis coordinate and Z-axis coordinate of the measurement reference and the X-axis coordinate and Z-axis coordinate of the truing point at the end of truing is Xrt and Zrt, the grindstone diameter at the end of truing is Dw, The second groove bottom diameter, which is the groove bottom diameter of the groove formed in the member constituting the inner ring, is Do, and the second center coordinate is the X-axis coordinate and the Z-axis coordinate of the center position of the member constituting the inner ring. Is Xoc and Zoc, and Xb and Zb coordinates of the base portion corresponding to the representative position coordinates are Xb and Zb, and Xb and Zb are calculated according to the following equations (3) and (4). 8. The grinding apparatus according to 7.
Xb = Xoc + Do / 2 + Xrt + Dw (3)
Zb = Zoc + Zrt (4)
前記ツルーイング点と対向して該ツルーイング点からX軸方向に前記砥石径の長さよりも離れた位置に設けられた近接センサを備え、
前記砥石径測定部は、
ツルーイングの実行タイミングにおいて、前記ワークの加工完了時の前記回転砥石の中心点のX軸座標Xow及びZ軸座標Zowと、前記第2の溝底径Doと、前記第2の中心座標Xoc及びZocとから、下式(5)に従って、加工完了時の砥石径である第1の砥石径Dwnを算出する第1の砥石径算出処理と、
前記第1の砥石径Dwnを算出後に前記回転砥石を、前記ツルーイング点から所定距離αだけ離れた位置から前記近接センサの検知範囲の境界である近接検知境界まで送ったときの第1の砥石送り距離Xw0を測定し、該第1の砥石送り距離Xw0の測定後に前記回転砥石を切り込み量A0だけ切り込んでツルーイングした後のツルーイング終了時の位置から前記回転砥石を前記近接検知境界まで送ったときの第2の砥石送り距離Xw1を測定し、前記第1の砥石径Dwnと前記第1の砥石送り距離Xw0と前記切り込み量A0と前記第2の砥石送り距離Xw1とから下式(6)に従って、前記回転砥石の基準の砥石径である基準砥石径Dw0を算出する基準砥石径算出処理と、
以降のツルーイングの実行タイミングにおいて、前記回転砥石を切り込み量A1で切り込んでツルーイングした後のツルーイング終了時の位置から、前記回転砥石を前記近接検知境界まで送ったときの第3の砥石送り距離Xw2を測定し、前記第2の砥石送り距離Xw1と前記第3の砥石送り距離Xw2との差である距離差ΔXwを算出し、前記基準砥石径Dw0を算出時の前記ツルーイング点のX軸方向の磨耗位置T0と前記第3の砥石送り距離X2を測定時の前記ツルーイング点のX軸方向の磨耗位置T1との差である磨耗差ΔTを算出し、前記基準砥石径Dw0と前記距離差ΔXwと前記磨耗差ΔTとから、下式(7)に従って、前記ツルーイング終了時の砥石径である第2の砥石径Dwを算出する第2の砥石径算出処理と、を実行する請求項8に記載の研削装置。
Dwn=2×(Xow−Xoc)−Do ・・・(5)
Dw0=Dwn−2×(Xw1−Xw0−A0) ・・・(6)
Dw=Dw0−2×(ΔXw+ΔT) ・・・(7)
Proximity sensor provided at a position facing the truing point and away from the truing point in the X-axis direction than the length of the grindstone diameter,
The grindstone diameter measuring unit is
At the truing execution timing, the X-axis coordinate Xow and the Z-axis coordinate Zow of the center point of the rotating grindstone at the completion of machining of the workpiece, the second groove bottom diameter Do, and the second center coordinates Xoc and Zoc From the above, according to the following formula (5), a first grindstone diameter calculating process for calculating a first grindstone diameter Dwn which is a grindstone diameter at the time of completion of processing,
First grindstone feed when the first grindstone diameter Dwn is calculated and then the rotating grindstone is fed from a position away from the truing point by a predetermined distance α to a proximity detection boundary which is a boundary of the proximity sensor detection range. When the distance Xw0 is measured, and after the measurement of the first grindstone feed distance Xw0, the rotating grindstone is cut by the incision amount A0 and then truing, and then the rotating grindstone is sent to the proximity detection boundary. The second grindstone feed distance Xw1 is measured, and from the first grindstone diameter Dwn, the first grindstone feed distance Xw0, the cutting depth A0, and the second grindstone feed distance Xw1, A reference grindstone diameter calculation process for calculating a reference grindstone diameter Dw0 which is a reference grindstone diameter of the rotating grindstone;
At a subsequent truing execution timing, a third grindstone feed distance Xw2 when the rotating grindstone is sent to the proximity detection boundary from the position at the end of truing after the rotational grindstone is cut by the cutting amount A1 and truing is obtained. Measure, calculate a distance difference ΔXw that is the difference between the second grinding wheel feed distance Xw1 and the third grinding wheel feed distance Xw2, and wear the truing point in the X-axis direction when calculating the reference grinding wheel diameter Dw0 A wear difference ΔT, which is a difference between the position T0 and the wear position T1 in the X-axis direction of the truing point at the time of measuring the third grindstone feed distance X2, is calculated, and the reference grindstone diameter Dw0, the distance difference ΔXw, and the distance From the wear difference ΔT, according to the following formula (7), a second grindstone diameter calculating process for calculating a second grindstone diameter Dw that is a grindstone diameter at the end of the truing is executed. Grinding device according to Motomeko 8.
Dwn = 2 × (Xow−Xoc) −Do (5)
Dw0 = Dwn-2 × (Xw1-Xw0-A0) (6)
Dw = Dw0−2 × (ΔXw + ΔT) (7)
前記近接センサは、前記ツルーイング部を構成する前記基台にセンサ支持部材を介して支持されており、
前記センサ支持部材は、低線膨張合金製の部材から構成されている請求項9に記載の研削装置。
The proximity sensor is supported on the base constituting the truing part via a sensor support member,
The grinding apparatus according to claim 9, wherein the sensor support member is made of a member made of a low linear expansion alloy.
前記ワークとして転がり軸受の軌道輪を対象とし、請求項1から10のいずれか一項に記載の研削装置を用いて転がり軸受を製造する転がり軸受の製造方法。  The manufacturing method of the rolling bearing which manufactures a rolling bearing using the grinding apparatus as described in any one of Claim 1 to 10 for the bearing ring of a rolling bearing as an object.
JP2016212861A 2016-10-31 2016-10-31 Grinding device and method of manufacturing rolling bearings using it Active JP6862764B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2016212861A JP6862764B2 (en) 2016-10-31 2016-10-31 Grinding device and method of manufacturing rolling bearings using it

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016212861A JP6862764B2 (en) 2016-10-31 2016-10-31 Grinding device and method of manufacturing rolling bearings using it

Publications (3)

Publication Number Publication Date
JP2018069391A JP2018069391A (en) 2018-05-10
JP2018069391A5 true JP2018069391A5 (en) 2019-10-17
JP6862764B2 JP6862764B2 (en) 2021-04-21

Family

ID=62113501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016212861A Active JP6862764B2 (en) 2016-10-31 2016-10-31 Grinding device and method of manufacturing rolling bearings using it

Country Status (1)

Country Link
JP (1) JP6862764B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112638810A (en) * 2018-09-06 2021-04-09 三菱电机株式会社 Elevator guide rail machining device and guide rail machining method
CN110237917B (en) * 2019-05-22 2021-02-26 鸡西环宇新能源材料有限公司 Automatic mineral separation mesh selection grinding and screening device and use method thereof
CN111633544B (en) * 2020-05-29 2021-04-27 兰州理工大学 Polishing device for annular workpiece
CN112372376A (en) * 2020-10-09 2021-02-19 浙江罗孚电梯部件股份有限公司 Edge grinding process for special-shaped glass
WO2022085159A1 (en) * 2020-10-22 2022-04-28 オリンパス株式会社 Curve generator and grinding method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62138562U (en) * 1986-02-26 1987-09-01
JPH0623666A (en) * 1992-07-09 1994-02-01 Mitsui Seiki Kogyo Co Ltd Automatic positioning method for grinding wheel for internal grinding accompanied by dressing
US5782674A (en) * 1996-05-28 1998-07-21 Hahn; Robert S. Sensors for internal grinding machines
JP5962242B2 (en) * 2012-06-15 2016-08-03 日本精工株式会社 Grinding equipment
JP6168396B2 (en) * 2013-06-10 2017-07-26 村田機械株式会社 Machine Tools
JP6155946B2 (en) * 2013-08-07 2017-07-05 株式会社ジェイテクト Method for determining linear expansion coefficient of each member of machine tool and thermal displacement correction device for machine tool
JP6459638B2 (en) * 2015-03-02 2019-01-30 日本精工株式会社 Groove grinding apparatus, groove processing method, and ball bearing manufacturing method

Similar Documents

Publication Publication Date Title
JP2018069391A5 (en) Grinding apparatus and rolling bearing manufacturing method using the same
US10073435B2 (en) Reducing errors of a rotatory device, in particular for the determination of coordinates of a workpiece or the machining of a workpiece
JP4229698B2 (en) Measuring method and apparatus for cutting edge position of tool, workpiece processing method, and machine tool
TWI487590B (en) Machine tool, measuring the diameter of the workpiece and its control procedures
US9568298B2 (en) Machine tool and method for measuring a workpiece
JP5985311B2 (en) Bearing track groove measuring device and bearing track groove measuring method
JP2015203567A (en) Metrology system
JP5962242B2 (en) Grinding equipment
JP6862764B2 (en) Grinding device and method of manufacturing rolling bearings using it
JP2012143830A (en) Workpiece centering apparatus and workpiece centering method
CN107824843A (en) Lathe and workpiece planarization processing method
JP3687896B2 (en) Measuring device for pulley for continuously variable transmission
KR20150088924A (en) Roundness measuring system of large bearing
JP2012159499A (en) Measuring apparatus and measuring method for ball screw
JP2016159397A5 (en) Groove grinding apparatus, groove processing method, and ball bearing manufacturing method
JP5851436B2 (en) Processing apparatus and processing method
WO2011052441A1 (en) Machine tool and displacement measuring instrument
JP4799472B2 (en) Measuring method and apparatus for tool edge position, workpiece processing method and machine tool
JP2004322255A (en) Machine tool with straight line position measuring instrument
JP6982291B2 (en) Machine tool work processing method
JP2010194623A (en) Thread grinding machine and thread groove grinding method
EP3334562B1 (en) Grinding error compensation
JP2019104082A (en) Nc grinding device and method of grinding workpiece
JP2008279542A (en) Grinder, and grinding method for workpiece having imperfect circular or eccentric shape
JP6913920B2 (en) Machine tool work processing method