WO2012011392A1 - 歯車研削盤及び歯車研削方法 - Google Patents
歯車研削盤及び歯車研削方法 Download PDFInfo
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- WO2012011392A1 WO2012011392A1 PCT/JP2011/065533 JP2011065533W WO2012011392A1 WO 2012011392 A1 WO2012011392 A1 WO 2012011392A1 JP 2011065533 W JP2011065533 W JP 2011065533W WO 2012011392 A1 WO2012011392 A1 WO 2012011392A1
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- WIPO (PCT)
- Prior art keywords
- gear
- rotary table
- axis
- grindstone
- movement
- Prior art date
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F9/00—Making gears having teeth curved in their longitudinal direction
- B23F9/02—Making gears having teeth curved in their longitudinal direction by grinding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F1/00—Making gear teeth by tools of which the profile matches the profile of the required surface
- B23F1/02—Making gear teeth by tools of which the profile matches the profile of the required surface by grinding
-
- 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
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/10—Arrangements for compensating irregularities in drives or indexing mechanisms
Definitions
- the present invention relates to a gear grinding machine and a gear grinding method, and is particularly effective when applied to grinding a large gear in which tooth traces such as a large oblique gear and a screw gear form a string winding shape. It is.
- the gear grinding machine inserts the peripheral side of the disk-shaped grindstone that is driven and rotated while rotating the gear mounted on the rotary table, and sequentially grinds the tooth surfaces of the gear.
- the meshing accuracy of the gear can be improved.
- a gear grinding machine if the shaft center of the gear is shifted (offset) with respect to the shaft center of the rotary table, it is impossible to properly grind the tooth surfaces of the gear. Therefore, although it is necessary to accurately align (center) the axis of the rotary table and the axis of the gear, when processing a large gear with a diameter of several meters, the gear is heavy, with several tons. As a result, the above-mentioned centering cannot be easily performed.
- the relationship between the value of the axial center position (center misalignment) of the gear and the phase position is read from the graph by rotating the rotary table and measuring the deflection of the gear.
- the adjustment data obtained is moved perpendicularly to the axis of the rotary table so that the axis of the rotary table and the axis of the gear intersect, for example, at the center of the tooth width.
- the tool is moved according to the speed, position, and trajectory at which the guide axis of the tool and the axis of the gear come to coincide with each other by inclining these axes by the intersection angle between the axis of the rotary table and the axis of the gear. Move It is proposed to process the gear.
- the present invention provides a gear grinding machine capable of improving processing accuracy when forming and grinding a gear having a tooth winding having a string winding shape using a grinding wheel for forming and grinding. It is another object of the present invention to provide a gear grinding method.
- the gear grinding machine for solving the above-described problem is a disk with respect to a gear that is placed on a rotary table so that its axis is directed in the vertical direction and the tooth traces form a chord winding shape.
- a gear grinder for forming and grinding with a shaped grindstone, the rotating table driving means for rotating the rotating table around an axis in the vertical direction, and the peripheral side of the grindstone facing the gear on the rotating table The grindstone rotating means for rotating the grindstone, the displacement measuring means for measuring the displacement in the direction orthogonal to the axial direction of the gear on the rotating table, and the depth of the tooth gap of the gear on the rotating table
- X-axis direction moving means for moving the grindstone and the displacement measuring means along the direction, and the grindstone and the displacement measuring means along the horizontal direction perpendicular to the depth direction of the gear teeth on the rotary table.
- Y axis direction moving means for moving
- Z axis direction moving means for moving the grindstone and the displacement measuring means along the vertical direction, and in a direction orthogonal to the axial direction of the gear on the rotary table.
- the rotary table driving means and the axial movement means are operated so that the displacement measuring means measures a plurality of positions of the peripheral edge of the gear over the circumferential direction and the axial direction of the gear, and information from the displacement measuring means is obtained.
- the axial center of the gear coincides with the axial center of the rotary table.
- the rotary table driving means, the X-axis direction moving means, the Y-axis direction moving means, the Y-axis direction moving means, the Z-axis direction moving means, the rotary table driving means, the X-axis direction moving means, and the Y Control means for controlling the axial direction moving means and the Z-axis direction moving means to form and grind the gear with the grindstone is provided.
- the gear grinding machine is the above-described gear grinding machine, wherein the control means is based on the information from the displacement measuring means with respect to the axis position of the rotary table at the reference phase of the rotary table.
- An eccentric value ⁇ u of the horizontal plane above the gear is calculated
- an eccentric value ⁇ d of the horizontal plane below the gear with respect to the axial position of the rotary table at the reference phase of the rotary table is calculated
- the eccentric value Based on ⁇ u, ⁇ d the eccentric value ⁇ m of the horizontal plane at the axial center portion of the gear with respect to the axial position of the rotary table at the reference phase of the rotary table is calculated, and at the reference phase of the rotary table
- the rotary table Wherein the the relative axial position and calculates the actual axial position of the gear.
- the gear grinding machine is the above-described gear grinding machine, wherein the control means determines the position of the horizontal plane at the start point of the forming grinding process due to the influence of the offset of the gear shaft center based on the eccentric value ⁇ m.
- a correction value and a correction value for horizontal plane movement in conjunction with movement in the Z-axis direction during forming grinding are calculated, and further, the inclination of the axis of the gear is calculated based on the inclination angles ⁇ x and ⁇ y.
- the vertical position shift correction value due to the vertical axis, the horizontal plane shift correction value interlocked with the vertical movement during the forming grinding process due to the influence of the inclination of the gear shaft center, and the gear shaft center The correction value of the movement in the horizontal plane linked to the movement in the vertical direction for correcting the tooth profile error due to the shift of the tooth profile grinding line of the grinding wheel with respect to the tooth surface of the gear due to the influence of the inclination of the gear is calculated. Characterized in that it is a shall.
- the gear grinding method according to the present invention for solving the above-described problem is applied to a gear mounted on a rotary table so that the axis is directed in the vertical direction and the tooth traces are in a string winding shape.
- a gear grinding method for grinding with a disc-shaped grindstone wherein a plurality of positions of the peripheral edge of the gear in a direction orthogonal to the axial center direction of the gear on the rotating table are respectively provided in the circumferential direction and the axial direction of the gear.
- the actual axial center position of the gear with respect to the axial center position of the rotating table is calculated, and based on the actual axial center position of the gear, the axial center of the gear is aligned with the axial center of the rotating table.
- the start point of the forming grinding process is determined for each tooth groove indexed by the gear. Since the coordinate position changes and the machining start point moves so as to fluctuate, the horizontal plane position of the grindstone is corrected so as to follow the fluctuation for each tooth groove that the gear is indexed, and the gear is indexed.
- the axis of the gear moves in synchronism with the phase of the rotary table for each tooth groove, it moves so that the forming grinding point is swung around one side and the other side in the tooth width direction, that is, the upper side and the lower side (helical) Therefore, in addition to correcting the horizontal movement of the grinding wheel so as to follow the processing point that is swung with the vertical movement of the grinding wheel, the axis of the rotary table is also adjusted.
- the gear shaft is inclined, the tooth profile grinding line of the grinding wheel with respect to the tooth surface of the gear shifts from the reference tooth profile grinding line, and the contact between the grinding wheel and the tooth surface is not in a specified state.
- the tooth surface of the gear formed and ground has an error, based on the inclination angle of the shaft center of the gear with respect to the shaft center of the rotary table, Since the movement of the grinding wheel in the horizontal plane direction and the rotation movement of the rotary table can be further corrected in conjunction with the movement in the vertical direction, the axis of the large gear whose tooth traces form a string winding shape is the rotary table. Even if it is deviated with respect to the axis, it is possible to form and grind the gear while correcting the gear with a disc-shaped grindstone.
- FIG. 1 is a schematic side view of a main embodiment of a gear grinding machine according to the present invention.
- FIG. 2 is a front view taken along the line II-II in FIG. 1.
- It is a block diagram of the control system of the gear grinding machine of FIG.
- It is a flowchart of the control system of the gear grinding machine of FIG.
- It is explanatory drawing of the displacement amount measuring procedure of the gear by the gear grinding machine of FIG.
- It is explanatory drawing of the form grinding process state of the gear tooth surface when the shaft center of a gear is inclined with respect to the shaft center of a rotary table.
- a rotary table 112 that can rotate around the Z-axis, that is, the vertical axis.
- a large-sized (several m and diameter several ton) bevel gear 10 having bosses 10a and 10b is placed with its axis oriented in the Z-axis direction, that is, in the vertical direction.
- the X axis direction on the other side of the bed 111 is movable along the X axis direction, that is, along the depth direction of the tooth groove of the inclined gear 10 on the rotary table 112.
- a column 113 is provided via a rail 111a.
- a saddle 114 that is movable in the Z-axis direction, that is, the vertical direction is provided on the front surface of the column 113 (the surface on the turntable 112 side) via a rail 113a.
- a swivel head 115 capable of swiveling around the X axis is provided in front of the saddle 114.
- a grindstone head 116 that can move in the Y-axis direction, that is, in the horizontal direction perpendicular to the depth direction of the tooth groove of the inclined gear 10 on the rotary table 112, is provided on the front surface of the swivel head 115. Is provided.
- a grindstone spindle 117 On the one side in the Y-axis direction on the front side of the grindstone head 116, there is provided a grindstone spindle 117 that is oriented so that the axis of the grindstone shaft 117a is directed along a vertical plane parallel to the Y-axis direction.
- a grinding wheel 118 for forming and grinding which has a disk shape, is coaxially attached to the grinding wheel shaft 117a of the grinding wheel main spindle 117, that is, with its peripheral side facing the rotary table 112 side.
- a base end side of an arm 119 On the other side in the Y-axis direction of the front surface of the grindstone head 116, a base end side of an arm 119 is attached so that the distal end side is positioned closer to the rotary table 112 than the grindstone 118 is.
- a touch probe 120 that is a displacement measuring unit that detects a displacement in the X-axis direction, which is a direction orthogonal to the axial direction
- the touch probe 120 is electrically connected to an input unit of a control device 121 which is a control means.
- the input unit of the control device 121 is electrically connected to an output unit of an input device 122 which is an input unit for inputting various conditions such as specifications of the bevel gear 10.
- the output unit of the control device 121 includes a motor 112M that is a rotary table driving unit that rotates the rotary table 112 around the Z axis, a motor 113M that horizontally moves the column 113 in the X axis direction, and the saddle 114 in the Z axis direction.
- a motor 114M that moves up and down, a motor that rotates the turning head 115 about the X axis, that is, a motor 115M that turns the axis of the grinding wheel 118 along a vertical plane, and a motor that slides the grinding wheel head 116 in the Y-axis direction.
- the bed 111, the column 113, the motor 113M, etc. constitute an X-axis direction moving means
- the saddle 114, the motor 114M, etc. constitute a Z-axis direction moving means
- the turning head 115, the motor 115M, etc. constitute a grinding wheel turning means
- the grinding wheel head 116, the motor 116M, etc. constitute a Y-axis direction moving means
- the wheel rotation means is configured.
- the bevel gear 10 is placed on the rotary table 112 so as to be as coaxial as possible.
- various conditions such as specifications (diameter, width, tooth width, number of teeth, torsion angle, etc.) of the bevel gear 10 are input to the input device 122 (S1 in FIG. 4)
- the control is performed.
- the apparatus 121 operates the motor 116M so as to position the touch probe 120 at the center in the Y-axis direction of the column 113, and moves the touch probe 120 to the rail 115a via the grindstone head 116 and the arm 119.
- the tip of the touch probe 120 is moved in the direction perpendicular to the rotation axis (C axis) of the rotary table 112 and then moved to the one side from the other side in the Y-axis direction along the Y-axis direction.
- the motors 113M and 114M are operated so as to abut on the outer peripheral surface of the upper boss 10a (see FIG. 5A), and the column 113 and the saddle 114 are moved to the position of the rack. 111a, it is moved along the 113a.
- the control device 121 determines the time of the inclined gear 10 based on information from the touch probe 120.
- the motor 113M is operated so that the tip of the touch probe 120 is once separated from the boss 10a of the inclined gear 10, and the column 113 is moved to the rail.
- the motor 112M is operated so that the rotary table 112 is rotated at a predetermined angle (for example, 45 °) after being slightly retracted along 111a.
- the control device 121 operates the motor 113M to bring the tip of the touch probe 120 into contact with the outer peripheral surface of the boss 10a of the inclined gear 10 again, thereby moving the column 113 to the rail 111a.
- the tip of the touch probe 120 is moved from the boss 10 a of the inclined gear 10.
- the motor 113M is operated so as to be separated again, and the column 113 is retracted again along the rail 111a.
- the motor 112M is rotated so that the rotary table 112 is rotated again at a predetermined angle (for example, 45 °). Is activated.
- the control device 121 moves in the X-axis direction of the boss 10 a above the bevel gear 10. Is measured over the entire circumferential direction of the inclined gear 10 (S2 in FIG. 4), and based on this, an XY axis above the inclined gear 10 accompanying the rotation of the rotary table 112 is measured.
- the axis position of the plane (horizontal plane) is calculated, specifically, a line connecting the axis (C axis) of the rotary table 112 and the axis above the bevel gear 10 as the rotary table 112 rotates.
- the axis (C axis) of the rotary table 112 associated with the rotation of the rotary table 112 in the XY axis plane (horizontal plane) coordinates around the axis eu (C axis) of the rotary table 112
- An eccentric value (offset value) ⁇ u of (horizontal plane) is calculated (see S3 / FIG. 6A in FIG. 4).
- the control device 121 causes the tip of the touch probe 120 to abut on the outer peripheral surface of the boss 10b below the bevel gear 10 (see FIG. 5B)
- the motors 113M and 114M are actuated to move the column 113 and the saddle 114 along the rails 111a and 113a
- the amount of displacement in the X-axis direction is measured over the entire circumferential direction of the inclined gear 10 (S4 in FIG. 4), and based on this, below the inclined gear 10 as the rotary table 112 rotates.
- the axis position of the XY axis plane (horizontal plane) of the rotary table 112 is calculated, specifically, the axis (C axis) of the rotary table 112 and the oblique gear 10 under the rotation of the rotary table 112.
- the axis of the rotary table 112 associated with the rotation of the rotary table 112 in the XY axis plane (horizontal plane) coordinates centered on the axis (C axis) of the rotary table 112 and the distance ed of the line connecting the axis of the rotary table 112
- An eccentric value (offset value) ⁇ d of the XY axis plane (horizontal plane) below the bevel gear 10 is calculated (see S5 / FIG. 6B in FIG. 4).
- the control device 121 determines from the axial position of the XY axis plane (horizontal plane) at the upper boss 10a and the axial position of the XY axis plane (horizontal plane) at the lower boss 10b.
- the axial center position of the XY axis plane (horizontal plane) at the central portion in the axial direction (tooth width direction) of the bevel gear 10 is calculated, specifically, the distance em and the angle obtained by averaging the distances eu and ed.
- An angle ⁇ m obtained by averaging ⁇ u and ⁇ d and a two-dimensional eccentric value (offset value) ⁇ m obtained by averaging the eccentric values ⁇ u and ⁇ d are calculated (S6 in FIG.
- the actual axial position of the inclined gear 10 is calculated, that is, the two-dimensional eccentricity value (offset value) ⁇ m and the three-dimensional inclination angles ⁇ x, ⁇ y of the inclined gear 10 are calculated.
- the control device 121 Based on the eccentric value (offset value) ⁇ m and the inclination angles ⁇ x, ⁇ y, the control device 121 matches the axis of the inclined gear 10 with the axis (C axis) of the rotary table 112.
- the angled gear 10 with respect to the reference value of the position and movement of the rotary table 112 and the reference value of the position and movement of the grinding wheel 118 corresponding to the rotational phase of the rotary table 112 during the forming grinding process The position and movement correction value of the rotary table 112 and the position and movement correction value of the grindstone 118 are calculated to cancel the difference caused by the actual axial center position during the forming grinding process (FIG. 4). , S8).
- the control device 121 (1) an XY axis (X-Y axis at the start point of forming grinding due to the influence of the offset of the axis of the inclined gear 10) (Horizontal plane) position (two-dimensional position) correction value, and (2) XY axis (horizontal plane) movement (two-dimensional movement) correction value that is linked to the movement in the Z-axis direction unique to forming grinding.
- the control device 121 operates the motor 113 to temporarily retract the column 113, and then moves the touch probe 120 to the column 113.
- the touch probe is operated via the grindstone head 116 and the arm 119 by operating the motor 116M so as to be positioned on the other side in the Y-axis direction, that is, to position the grindstone 118 in the central portion of the column 113 in the Y-axis direction.
- the touch probe 120 moves to the retracted position, and the grindstone 118 is positioned at the operation start position.
- the teeth to be indexed by the inclined gear 10 are determined. Since the coordinate position of the forming grinding processing start point changes for each groove and the processing start point moves so as to fluctuate, the grindstone follows the wobbling for each tooth groove determined by the bevel gear 10.
- the X-Y axis (horizontal plane) position and the Z-axis (vertical) position of 118 are corrected, and the axis of the inclined gear 10 is in phase with the phase of the rotary table 112 for each tooth groove indexed by the inclined gear 10.
- the tooth surface 10c of the inclined gear 10 is in contact with the tooth surface 10c as shown in FIG. 8A.
- the tooth profile grinding line M1 of the grindstone 118 deviates from the reference tooth profile grinding line M0, and the contact between the grindstone 118 and the tooth surface 10c does not become a prescribed state, and as shown in FIG. Since the tooth surface 10c that has been formed and ground has an error, the tooth surface 10c is based on the inclination angle of the axis of the inclined gear 10 with respect to the axis (C axis) of the rotary table 112.
- the inclined gear 10 is moved by the grinding wheel 118 for forming grinding. Forming and grinding can be performed with high accuracy.
- the present invention is not limited to this, and a gear having a tooth winding having a string winding shape, such as a screw gear, is used.
- a gear having a tooth winding having a string winding shape such as a screw gear
- it can be applied in the same manner as in the above-described embodiment.
- the gear grinding machine and the gear grinding method according to the present invention are capable of forming and grinding a gear even if the axis of a large gear whose tooth traces have a chord winding shape is deviated from the axis of the rotary table. Therefore, it can be used extremely beneficially in the metalworking industry and the like.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Processing (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
Description
本発明に係る歯車研削盤及び歯車研削方法の主な実施形態を図1~8に基づいて説明する。
なお、前述した実施形態においては、大型の斜歯歯車10を成形研削加工する場合について説明したが、本発明はこれに限らず、小型の斜歯歯車を成形研削加工する場合であっても、適用することは可能である。しかしながら、前述した実施形態のように、歯筋が弦巻線状をなしている大型の歯車を成形研削加工する場合であれば、本発明に係る歯車研削盤及び歯車研削方法の作用効果を十分に発現することができる。
10a,10b ボス
10c 歯面
100 歯車研削盤
111 ベッド
111a レール
112 回転テーブル
112M モータ
113 コラム
113a レール
113M モータ
114 ニー
114M モータ
115 旋回ヘッド
115a レール
115M モータ
116 砥石ヘッド
116M モータ
117 砥石主軸部
117a 砥石軸
117M モータ
118 砥石
119 アーム
120 タッチプローブ
121 制御装置
122 入力器
Claims (4)
- 軸心を上下方向へ向けるように回転テーブル上に載置されて歯筋が弦巻線状をなしている歯車に対して円盤状の砥石で成形研削加工する歯車研削盤であって、
前記回転テーブルを上下方向の軸回りで回転させる回転テーブル駆動手段と、
前記回転テーブル上の前記歯車に対して前記砥石の周縁側を向けるように当該砥石を回転させる砥石回転手段と、
前記回転テーブル上の前記歯車の軸心方向と直交する方向の変位を計測する変位計測手段と、
前記回転テーブル上の前記歯車の歯溝の深さ方向に沿って前記砥石及び前記変位計測手段を移動させるX軸方向移動手段と、
前記回転テーブル上の前記歯車の歯溝の深さ方向と直交する水平方向に沿って前記砥石及び前記変位計測手段を移動させるY軸方向移動手段と、
前記砥石及び前記変位計測手段を上下方向に沿って移動させるZ軸方向移動手段と
を備えると共に、
前記回転テーブル上の前記歯車の軸心方向と直交する方向の当該歯車の周縁の位置を前記変位計測手段で当該歯車の周方向及び軸方向にわたってそれぞれ複数計測するように前記回転テーブル駆動手段及び前記軸方向移動手段を作動させ、
前記変位計測手段からの情報に基づいて、前記回転テーブルの軸心位置に対する前記歯車の実際の軸心位置を算出し、
前記歯車の実際の軸心位置に基づいて、当該歯車の軸心が前記回転テーブルの軸心に一致しているときの成形研削加工の際の当該回転テーブルの位置及び移動の基準値並びに当該回転テーブルの回転位相に対応する前記砥石の位置及び移動の基準値に対して、当該歯車の実際の軸心位置により生じる差分を成形研削加工の際に打ち消す当該回転テーブル及び当該砥石の位置及び移動の補正値を算出し、
前記基準値に対して、前記補正値を加算することにより、前記回転テーブル駆動手段の稼働値及び当該回転テーブルの回転位相に対応する前記X軸方向移動手段、前記Y軸方向移動手段、前記Z軸方向移動手段の稼働値を算出し、
前記回転テーブル駆動手段、前記X軸方向移動手段、前記Y軸方向移動手段、前記Z軸方向移動手段を前記稼働値で作動させるように当該回転テーブル駆動手段、当該X軸方向移動手段、当該Y軸方向移動手段、当該Z軸方向移動手段を制御することにより、前記砥石で前記歯車を成形研削加工させる制御手段を備える
ことを特徴とする歯車研削盤。 - 請求項1に記載の歯車研削盤において、
前記制御手段が、
前記変位計測手段からの情報に基づいて、
前記回転テーブルの基準位相時における当該回転テーブルの軸心位置に対する前記歯車の上方での水平面の偏心値εuを算出すると共に、
前記回転テーブルの基準位相時における当該回転テーブルの軸心位置に対する前記歯車の下方での水平面の偏心値εdを算出し、
前記偏心値εu,εdに基づいて、
前記回転テーブルの基準位相時における当該回転テーブルの軸心位置に対する前記歯車の軸方向中央部分での水平面の偏心値εmを算出すると共に、
前記回転テーブルの基準位相時における当該回転テーブルの軸心に対する前記歯車の軸心の鉛直平面での傾斜角度Σx,Σyを算出することにより、
前記回転テーブルの軸心位置に対する前記歯車の実際の軸心位置を算出するものである
ことを特徴とする歯車研削盤。 - 請求項2に記載の歯車研削盤において、
前記制御手段が、
前記偏心値εmに基づいて、
前記歯車の軸心のオフセットの影響による成形研削加工開始点の水平面位置の補正値と、
成形研削加工するときのZ軸方向への移動に連動した水平面移動の補正値と
をそれぞれ算出すると共に、
さらに、前記傾斜角度Σx,Σyに基づいて、
前記歯車の軸心の傾きによる上下方向の位置のずれ補正値と、
前記歯車の軸心の傾きの影響による成形研削加工動作時の上下方向の移動に連動させた水平面方向の移動のずれ補正値と、
前記歯車の軸心の傾きの影響による当該歯車の歯面に対する前記砥石の歯形研削ラインのずれに伴う歯形誤差を補正するための上下方向への移動に連動させた水平面方向の移動の補正値と
をそれぞれ算出するものである
ことを特徴とする歯車研削盤。 - 軸心を上下方向へ向けるように回転テーブル上に載置されて歯筋が弦巻線状をなしている歯車に対して円盤状の砥石で研削加工する歯車研削方法であって、
前記回転テーブル上の前記歯車の軸心方向と直交する方向の当該歯車の周縁の位置を当該歯車の周方向及び軸方向にわたってそれぞれ複数計測して、前記回転テーブルの軸心位置に対する前記歯車の実際の軸心位置を算出し、
前記歯車の実際の軸心位置に基づいて、当該歯車の軸心が前記回転テーブルの軸心に一致しているときの成形研削加工の際の当該回転テーブルの位置及び移動の基準値並びに当該回転テーブルの回転位相に対応する前記砥石の位置及び移動の基準値に対して、当該歯車の実際の軸心位置により生じる差分を成形研削加工の際に打ち消す当該回転テーブル及び当該砥石の位置及び移動の補正値を算出し、
前記基準値に対して、前記補正値を加算することにより、前記回転テーブルの位置及び移動の稼働値並びに当該回転テーブルの回転位相に対応する前記砥石の位置及び移動の稼働値を算出し、
前記回転テーブル及び前記砥石の位置及び移動を前記稼働値で作動させることにより、当該砥石で前記歯車を成形研削加工する
ことを特徴とする歯車研削方法。
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BR112012023699A BR112012023699A2 (pt) | 2010-07-20 | 2011-07-07 | máquina esmerilhadora de engrenagem e método de esmerilhar engrenagem |
US13/637,866 US9168602B2 (en) | 2010-07-20 | 2011-07-07 | Gear grinding machine and gear grinding method |
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CN114367708A (zh) * | 2022-01-13 | 2022-04-19 | 重庆机床(集团)有限责任公司 | 一种三维传感器装配时的对中调整方法 |
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DE102010023728A1 (de) * | 2010-06-14 | 2011-12-15 | Liebherr-Verzahntechnik Gmbh | Verfahren zum Herstellen einer Mehrzahl von identischen Zahnrädern mittles abspanender Bearbeitung |
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CN107081487A (zh) * | 2017-04-25 | 2017-08-22 | 谭清平 | 一种可双面打磨并防止磨损凹槽顶的齿轮磨齿机 |
CN108994554A (zh) * | 2018-07-20 | 2018-12-14 | 江麓机电集团有限公司 | 一种高硬高精度低碳合金钢齿圈加工方法 |
WO2020075256A1 (ja) * | 2018-10-11 | 2020-04-16 | 株式会社Fuji | 作業機 |
CN115365964B (zh) * | 2022-08-18 | 2023-09-05 | 高久胜 | 一种便携式外圆磨削机 |
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BR112012023699A2 (pt) | 2016-08-23 |
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US20130143471A1 (en) | 2013-06-06 |
JP2012024849A (ja) | 2012-02-09 |
TW201208797A (en) | 2012-03-01 |
CN102821900A (zh) | 2012-12-12 |
EP2596892A4 (en) | 2017-08-23 |
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US9168602B2 (en) | 2015-10-27 |
EP2596892A1 (en) | 2013-05-29 |
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