WO2013183094A1 - 歯面加工装置及び歯車製造方法 - Google Patents

歯面加工装置及び歯車製造方法 Download PDF

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Publication number
WO2013183094A1
WO2013183094A1 PCT/JP2012/006868 JP2012006868W WO2013183094A1 WO 2013183094 A1 WO2013183094 A1 WO 2013183094A1 JP 2012006868 W JP2012006868 W JP 2012006868W WO 2013183094 A1 WO2013183094 A1 WO 2013183094A1
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WO
WIPO (PCT)
Prior art keywords
gear
grindstone
tooth
processed
tooth surface
Prior art date
Application number
PCT/JP2012/006868
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
二三男 中川
村松　和彦
田中　大介
加藤　高明
大 岡田
浩正 辻
Original Assignee
アイシン・エーアイ株式会社
エーアイ・マシンテック株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from JP2012128742A external-priority patent/JP6030857B2/ja
Application filed by アイシン・エーアイ株式会社, エーアイ・マシンテック株式会社 filed Critical アイシン・エーアイ株式会社
Priority to US14/404,421 priority Critical patent/US9327356B2/en
Priority to CN201280073517.2A priority patent/CN104507613B/zh
Priority to BR112014029596A priority patent/BR112014029596A2/pt
Priority to DE112012006475.5T priority patent/DE112012006475T5/de
Publication of WO2013183094A1 publication Critical patent/WO2013183094A1/ja

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    • 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
    • B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
    • B23F23/1225—Arrangements of abrasive wheel dressing devices on gear-cutting machines
    • 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
    • B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
    • 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

Definitions

  • the present invention relates to a tooth surface processing apparatus and a gear manufacturing method, and more particularly, to a tooth surface processing apparatus and a gear manufacturing method for finishing a tooth surface of a hard gear using a helical gear.
  • the method of finishing the tooth surface of a hard gear is a highly efficient way to finish both the tooth surfaces of the gear to be processed at the same time while forcibly rotating the flank of the threaded grinding wheel rotating at high speed and the gear to be processed.
  • Gear grinding is the mainstream.
  • the gap between the flank surface of the grinding wheel (grinding wheel tooth surface) and the tooth surface of the gear to be machined is zero (backlash zero), so that the cutting speed of the grinding wheel can be controlled. It is difficult to control the processing pressure on the processed surface.
  • the pressure at the tooth surface machining point may fluctuate depending on the machining conditions and machining conditions (grinding wheel sharpness, grinding wheel clogging, cutting allowance, etc.), and high pressure exceeding the limit of the gear to be machined may occur. Polishing burns and cracks occur on the tooth surfaces of the gear to be processed, and sometimes the grindstone is damaged.
  • the gear honing method is a method in which a tooth surface of a grindstone and a gear are meshed with zero backlash and both tooth surfaces are processed simultaneously. It is difficult to finely control the processing pressure between the tooth surfaces.
  • the present invention has been made in view of the above circumstances, and solves the problem of providing a tooth surface processing apparatus and a gear manufacturing method capable of adjusting a processing pressure for the purpose of improving the surface roughness of a hard gear. It should be a challenge.
  • a tooth surface processing apparatus includes a helical tooth wheel that is rotatably supported by a rotating shaft, and a work gear support that rotatably supports the gear to be processed by the rotating shaft.
  • a rotation torque control means for controlling the rotation torque of the helical gear, and adjusting the relative position of the rotation shaft of the helical grinding wheel and the rotation shaft of the gear to be processed to form one tooth of the gear to be processed
  • the position adjusting means is operated so that only one of the tooth surfaces to be processed is brought into contact with the grindstone tooth surface of the helical grindstone to engage the helical grindstone and the gear to be machined.
  • a relative position control unit for rotating the grindstone rotating the grindstone rotating means A cassette control unit, is characterized in that and a control means having a torque control means control unit for operating the rotation torque control means so as to adjust the rotational torque to a predetermined range.
  • the helical toothed stone includes a threaded stone with a larger tooth angle.
  • the threaded grindstone has one or two or more threads.
  • the helical tooth stone can be an elastic material that can be deformed so that the tooth surface of the wheel follows the shape of the tooth surface to be processed.
  • the grindstone rotation control unit rotates the grindstone rotation means, and the rotation torque control means control unit switches the rotation torque of the gear to be processed in one direction and the other direction,
  • the one and other processed tooth surfaces of the processed gear can be processed.
  • the helical tooth stone has a tooth thickness smaller than a tooth groove width of the gear to be processed.
  • control means may include a vibration control unit that operates the position adjusting means so as to vibrate the helical tooth wheel and / or the gear to be machined. it can.
  • the grindstone teeth have a shape of at least a pair of adjacent ridges, and the crest of the grindstone is constrained by a valley formed by the pair of ridges. It can have a grinding wheel conspicuous means for shaping and sharpening the surface.
  • the grinding wheel conspicuous means may be formed with cylindrical molding portions corresponding to the small diameter of the gear to be machined, at both end surfaces.
  • a torsional shock absorber that generates a torsional amount can be installed in the to-be-processed gear support means for rotatably supporting the to-be-processed gear.
  • a gear manufacturing method includes a helical gear that is rotatably supported by a rotating shaft and a work gear support that rotatably supports a gear to be processed and a gear to be processed by the rotating shaft.
  • a toothing surface that forms one tooth of the gear to be machined by adjusting a relative position between the rotation axis of the helical tooth wheel and the rotation axis of the gear to be machined.
  • Only one of the tooth surfaces to be processed is brought into contact with the tooth surface of the helical toothed wheel, and the position adjusting step for meshing the helical toothed wheel and the gear to be processed, and the helical toothed wheel
  • the position adjusting process and the grindstone rotating process may be started after the position adjusting process, during the position adjusting process, or before the position adjusting process.
  • the helical gear can be made of an elastic material that can be deformed so that the grindstone tooth surface follows the shape of the workpiece tooth surface.
  • the gear manufacturing method in the grinding wheel rotating step, the helical toothed wheel is rotated, and in the rotational torque control step, the rotational torque of the work gear is switched in one direction and the other direction.
  • the one and other processed tooth surfaces of the processed gear can be processed.
  • the helical tooth stone has a tooth thickness smaller than a tooth groove width of the gear to be processed.
  • the helical gear and / or the workpiece gear are vibrated, and further, the rotation shaft of the helical gear and the workpiece are processed.
  • a vibration process for changing the relative position of the gear with respect to the rotation shaft can be executed.
  • At least one grindstone constraining means having a pair of adjacent crest shapes is used to restrain one crest of the grindstone by a trough formed by the pair of crests.
  • a grinding wheel conspicuous step for forming and sharpening the grinding wheel tooth surface can be executed.
  • a cylindrical molded portion corresponding to a small diameter of the gear to be machined is formed in the both ends of the grinding wheel conspicuous means, and the grinding stone conspicuous step includes: It is possible to include a process of forming and sharpening the grinding wheel tooth surface using the cylindrical forming portion.
  • a torsional shock absorber that generates a torsional amount can be installed in the to-be-processed gear support means that rotatably supports the to-be-processed gear.
  • the tooth surface processing apparatus In the tooth surface processing apparatus according to the present invention, only one of the tooth surfaces forming one tooth of the gear to be processed is brought into contact with the grindstone tooth surface of the helical grindstone, and the other workpiece is processed.
  • the tooth surfaces are engaged with each other without contacting the grindstone tooth surface, and the grindstone rotating means rotates the toothed grindstone. That is, since the other tooth surface to be processed of the gear to be processed is not in contact with the grindstone tooth surface, the helical grindstone rotates in a state where there is a gap with the grindstone tooth surface. Therefore, it is easy to control the processing pressure between the grindstone tooth surface and the tooth surface to be processed.
  • the processing pressure is controlled by controlling the rotational torque of the gear to be processed by the rotational torque control means. As a result, it is possible to improve the surface roughness of the tooth surface to be processed of the gear to be processed while avoiding the occurrence of grinding burn and cracking of the gear to be processed and the breakage of the grindstone.
  • the relative positional relationship between the rotation shaft of the helical grinding wheel and the rotation shaft of the gear to be machined can be easily changed.
  • the tooth surface to be processed can be processed.
  • the processing pressure is not affected by the accuracy of the previous process. Can be easily controlled, and it is possible to further avoid grinding burn and cracking of the gear to be processed and damage to the grindstone.
  • the processing pressure changes due to the unevenness of the tooth surface generated in the previous process, but if it can be deformed, it can be deformed along the unevenness of the tooth surface, so it is less affected by the accuracy of the previous process. .
  • the helical gear is rotated at a constant speed and the rotational torque of the gear to be processed is switched, so that the mounting direction of the gear to be processed or the helical gear is not reset.
  • Both tooth surfaces can be processed for each one tooth surface of the tooth surface to be processed of the gear to be processed.
  • a large torque is required to quickly reverse the rotation of the helical grinding wheel, but the helical grinding wheel of the present invention is rotated by the rotational torque control means while rotating in one direction at a constant speed. It is sufficient to reverse the direction of the torque. Therefore, since the reversal of the torque by the rotational torque control means can be realized with a small torque, even when viewed as a whole, a motor with a very large output is not required, and the entire apparatus such as a motor can be downsized.
  • the relative thickness between the helical gear and the workpiece gear can be easily adjusted by making the tooth thickness of the helical gear smaller than the width of the tooth groove of the workpiece gear.
  • the grindstone tooth surface can be brought into contact with only one tooth surface to be machined more reliably.
  • control means operates the position adjusting means to vibrate the helical gear and / or the work gear, and changes the relative position between the work gear and the helical gear. Therefore, the tooth surface to be machined can be machined in consideration of the gear that actually meshes with the gear to be machined.
  • the grindstone crest is difficult to be deformed by molding and sharpening. Therefore, when the grindstone tooth surface of the grindstone is an elastic material that can be deformed so as to follow the shape of the tooth surface to be processed, the grindstone can be formed and sharpened particularly effectively.
  • the grinding wheel conspicuous means is formed with cylindrical molding portions corresponding to the small diameter of the gear to be machined at the positions of both end faces, so that the grinding stone can be shaped and sharpened more efficiently. it can.
  • the torsional shock absorber that generates a torsion amount is provided for the to-be-processed gear support means that rotatably supports the to-be-processed gear.
  • the to-be-processed gear support means that rotatably supports the to-be-processed gear.
  • the gear manufacturing method only one of the tooth surfaces that forms one tooth of the gear to be processed in the position adjusting step is in contact with the grindstone tooth surface of the helical grindstone.
  • the tooth-shaped grinding wheel is rotated, so the other tooth surface to be machined of the gear to be machined is not in contact with the grinding wheel tooth surface, and the tooth surface to be machined can be machined in a state where a clearance is secured. it can. Therefore, it is easy to control the processing pressure between the grindstone tooth surface and the tooth surface to be processed.
  • the processing pressure is controlled by adjusting the rotational torque of the gear to be processed within a predetermined range in the rotational torque control step. As a result, it is possible to improve the surface roughness of the tooth surface to be processed of the gear to be processed while avoiding the occurrence of grinding burn and cracking of the gear to be processed and the breakage of the grindstone.
  • the processing pressure is not affected by the accuracy of the previous process. Can be easily controlled, and grinding burn and cracking of the workpiece gear and breakage of the grindstone can be further avoided.
  • the tooth-shaped grindstone can be rotated in a certain direction in the grindstone rotating step and the rotational torque of the gear to be machined can be switched in the rotational torque control step, the gear to be machined or the helical gear Both tooth surfaces can be processed for each tooth of the tooth surface of the gear to be processed without resetting the mounting direction of a grindstone or the like.
  • a large torque is required to quickly reverse the rotation of the helical grinding wheel, but the helical grinding wheel of the present invention is rotated by the rotational torque control means while rotating in one direction at a constant speed. It is sufficient to reverse the direction of the torque. Therefore, since the reversal of the torque by the rotational torque control means can be realized with a small torque, even when viewed as a whole, a motor with a very large output is not required and the entire apparatus can be downsized.
  • the tooth thickness of the helical grinding wheel is made smaller than the width of the tooth gap of the gear to be machined, so that the grinding wheel tooth surface can be more reliably applied only to one tooth surface to be machined. Can abut.
  • the relative position of the rotating shaft of the gear to be processed and the rotating shaft of the toothed grindstone can be changed in the vibration step, so that the gear that actually engages with the gear to be processed is taken into consideration.
  • the tooth surface to be processed can be processed.
  • the grindstone is constrained by a trough formed by a pair of peaks by constraining one peak of the grindstone by using a grindstone conspicuous means having a pair of adjacent peak shapes. Since the grinding wheel conspicuous process for shaping and sharpening the tooth surface is executed, the grinding stone can be shaped and sharpened effectively.
  • the grinding wheel conspicuous means is formed with a cylindrical molding portion corresponding to the small diameter of the gear to be machined at the positions of both end faces, and this grinding stone conspicuous step uses the cylindrical molding portion. Therefore, the grinding wheel can be shaped and sharpened more efficiently.
  • the torsional shock absorber that generates a torsion amount is provided for the to-be-processed gear support means that rotatably supports the to-be-processed gear.
  • the to-be-processed gear support means that rotatably supports the to-be-processed gear.
  • FIG. 3 is a partial cross-sectional view illustrating a configuration of a rotational torque control unit 5 used in the tooth surface processing apparatus 10 according to the first embodiment. It is a partial cross section figure which shows the structure of the adjustment member 8 used with the gear processing apparatus 10 of this Embodiment 1.
  • FIG. 4 is a cross-sectional view taken along line AA in FIG. 3. It is explanatory drawing of a structure of the tooth surface processing apparatus 10 of this Embodiment 1.
  • FIG. It is a flowchart of the gear manufacturing method performed with the tooth surface processing apparatus 10 of this Embodiment 1.
  • FIG. 3 is a partial cross-sectional view illustrating a configuration of a rotational torque control unit 5 used in the tooth surface processing apparatus 10 according to the first embodiment. It is a partial cross section figure which shows the structure of the adjustment member 8 used with the gear processing apparatus 10 of this Embodiment 1.
  • FIG. 4 is a cross-sectional view taken along line AA in FIG. 3. It is explanatory drawing of a structure of
  • FIG. It is a flowchart of grindstone rotation process S4 of the gear manufacturing method performed with the tooth surface processing apparatus 10 of this Embodiment 1.
  • FIG. It is explanatory drawing which shows the structure of the adjustment member 9 used with the tooth surface processing apparatus of this Embodiment 2.
  • FIG. It is a figure for demonstrating the method to measure the rotational torque in the tooth surface processing apparatus of this Embodiment 2, (a) is an initial state, (b) And (c) is explanatory drawing which shows the deviation
  • FIG. It is a figure which shows the system configuration
  • FIG. 15 is a partial cross-sectional view of FIG. 14. It is explanatory drawing for demonstrating the conventional method of shape
  • the tooth surface machining apparatus and gear manufacturing method according to the present embodiment machine a tooth surface of a spur gear or a helical gear as the work gear W.
  • the processing method used by this embodiment is a method of processing each tooth surface, and the processing degree of a tooth surface does not ask
  • the tooth surface processing apparatus and gear manufacturing method according to the present embodiment can be applied to, for example, a grinding method, a honing method, and a superfinishing method, and the cutter of the shaving method can be applied instead of a grindstone.
  • the tooth surface processing apparatus 10 includes a grindstone (a helical grindstone) 2, a position adjusting unit 3, a grindstone rotation motor (a grindstone rotation unit) 4, and a rotational torque.
  • Control means 5 and control means 7 are provided.
  • the grindstone 2 As the grindstone 2, a screw-shaped grindstone in which the tooth angle of the helical grindstone is increased is used. And the grindstone 2 uses the elastic raw material which can deform
  • the tooth thickness of the grindstone 2 is smaller than the width of the tooth gap of the gear W to be processed.
  • the grindstone 2 is supported by an attachment base (not shown) so as to be rotatable about the rotation axis C as a rotation center.
  • the grindstone rotation motor 4 rotates the grindstone 2 around the rotation axis C via a speed reduction mechanism (not shown, not necessarily required).
  • the rotational torque control means 5 has a workpiece gear support means 6, a holding member 51, and an adjustment member 52.
  • the workpiece gear support means 6 includes a shaft portion 61 into which the one end 611 is inserted into the workpiece gear W, and a pressing member 62 that clamps the workpiece gear W from the side surface between the flange portion 612 of the shaft portion 61; And a fastening member 63 that passes through the center of the pressing member 62 and is fastened and inserted into one end portion 611 of the shaft portion 61.
  • a screw hole 613 that opens in the axial direction and is fastened and inserted into the fastening member 32 is formed in the one end 611 that is inserted into the inner periphery of the workpiece gear W.
  • the holding member 62 is formed with a through hole 621 in the center portion that communicates with the screw hole 613 of the shaft portion 61 when the holding member 62 is aligned with the one end portion 611 of the shaft portion 61.
  • the fastening member 63 includes a screw 631 that is fastened and inserted into the through hole 621 of the pressing member 62 and the screw hole 613 of the shaft portion 61, and a washer 632 positioned between the screw 631 and the pressing member 62.
  • the shaft 61 of the work gear supporting means 6 is rotated by the holding member 51 except for one end 611 inserted into the work gear W and the holding rotary shaft 615 attached to the other end 614 of the shaft 61. Held possible.
  • the holding member 51 includes a main body portion 511 fixed to a pedestal (not shown) and a bearing member 512.
  • the main body portion 511 has a through hole 511a into which the shaft portion 61 is inserted, and rotatably holds the shaft portion 61 (machined gear support means 6) via the bearing member 512.
  • the workpiece gear W is inserted into the shaft portion 61 of the workpiece gear support means 6 that is rotatably supported by the holding member 51, and the pressing member 62 is aligned with one end portion 611 of the shaft portion 61, and then fastened by the fastening member 63.
  • the workpiece gear W is supported by the workpiece gear support means 6 and the rotation shaft X so as to be integrally rotatable.
  • the adjusting member 52 is installed on the holding rotary shaft 615 of the workpiece gear support means 6 into which the workpiece gear W is inserted. For example, it is conceivable to adjust the rotational torque of the gear W to be processed within a predetermined range by inserting some oil seals 521 into the holding rotary shaft 615.
  • FIG. 3 and 4 show the adjusting member 8 that adjusts the rotational torque of the workpiece gear W by using a method other than the oil seal 521.
  • a first disk 81 that rotates integrally with the shaft portion 61 is fitted to the outer periphery of the other end portion 614 opposite to the one end portion 611 inserted into the workpiece gear W of the shaft portion 61.
  • a second disk 83 is disposed on the outer periphery of the holding rotating shaft 616 fixed to the other end 614 so as to be rotatable relative to the first disk 83 via the friction material 82.
  • the friction material 82 has a ring shape and is positioned between the first disk 81 and the second disk 83 in the axial direction of the shaft portion 61.
  • the friction material 82 is affixed to the surface of the second disk 83 (the surface that contacts the first disk 81), but the surface of the first disk 81 (the surface that contacts the second disk 83). You may affix and you may affix on both the 1st disc 81 and the 2nd disc 83.
  • the shape of the friction material 82 is not limited to a ring shape, and may be arranged at an appropriate interval (regardless of an equal interval or an unequal interval) in the circumferential direction.
  • Two rod-shaped stoppers 86 are arranged in a circumferential direction at one location on the outer peripheral side of the second disk 83, and at one end so that the axis of the stopper 86 faces the axial direction of the shaft 61. It is mated. The other end of the stopper 86 protrudes from the second disk 83 in the axial direction, and a measuring member 87 made of an elastic body is positioned between the two protruding stoppers 86.
  • the measuring member 87 is fixed to the case 80 by the fastening member 872 on the outer peripheral side of the second disk 83 together with the auxiliary member 871.
  • a strain measuring instrument is attached to the measuring member 87, and the measured value is transmitted to a torque control means controller 73 described later.
  • the strain measuring instrument measures the position of the measuring member 87 (position based on the case where no rotational torque is added) by measuring the magnitude of strain with a strain gauge or the like, or using an optical method or the like. What measures the magnitude
  • the second disk 83 is rotatably supported via a bearing 84 on a holding rotation shaft 616 fixed to the other end 614 of the shaft portion 61 on the opposite side to the friction material 82 in the axial direction.
  • a coiled spring 85 and an auxiliary disk 88 are disposed between the second disk 83 and the case 80 in the axial direction.
  • the coiled spring 85 is disposed such that one end is in contact with the second disk 83 and the other end is in contact with the auxiliary disk 88 and is extendable in the axial direction.
  • the auxiliary disk 88 is a surface with which the coiled spring 85 engages. The opposite surface is pressed in the axial direction by the torque adjusting member 89 inserted from the outside of the case 80.
  • the torque adjusting member 89 is disposed so as to be movable in the axial direction. And the torque adjustment member 89 can adjust the magnitude
  • the auxiliary disk 88 pushes the coiled spring 85 in the axial direction by moving the torque adjusting member 89 toward the shaft 61 in the axial direction.
  • the coiled spring 85 to which a load is applied in the contraction direction presses the second disk 83 in the axial direction, and the friction material 82 is pressed against the first disk 81.
  • the shaft portion 61 that rotates integrally with the workpiece gear W that rotates on the rotation shaft X can change the rotation torque corresponding to the pressing force in the direction opposite to the rotation direction, and the rotation torque increases.
  • the torque adjusting member 89 has a screw (not shown) that is screwed into the case 80 formed on the outer periphery, and rotates to move in the axial direction by the action of the screw.
  • the torque adjusting member 89 is rotated by a torque control means control unit 73 described later.
  • the means for moving the torque adjusting member 89 in the axial direction is not limited to a screw as long as it can move in the axial direction with respect to the case 80.
  • the position adjusting means 3 has a feed screw (not shown) and a servo motor (not shown) that engages with one end of the feed screw, and the other end of the feed screw engages with the mounting base.
  • the mounting base supports the grindstone 2 in a rotatable manner, and is movably disposed on a pedestal (not shown).
  • the position adjustment means 3 adjusts the relative position of the rotating shaft C of the grindstone 2 and the rotating shaft X of the to-be-processed gear W by the action
  • the servo motor other motors such as a pulse motor can be used.
  • the control unit 7 includes a relative position control unit 71, a grindstone rotation unit control unit 72, a torque control unit control unit 73, and a vibration control unit 74.
  • the relative position control unit 71 adjusts the relative position between the rotation axis C of the grindstone 2 and the rotation axis X of the workpiece gear W, so that one of the tooth surfaces that forms one tooth of the workpiece gear is processed. Only the surface 11 is brought into contact with the grindstone tooth surface 21 of the grindstone 2, and the position adjusting means 3 is operated so that the grindstone 2 and the gear W to be machined are engaged.
  • the adjustment of the position at which the grindstone 2 and the gear W to be machined mesh with each other while the gap d is secured between the grindstone tooth surface 21 and the other gear tooth surface 12 of the gear W to be machined is mechanically and electrically. Can also be done.
  • the tooth thickness of the grindstone 2 is made smaller than the width of the tooth gap of the gear to be machined W, the tooth tip of the gear to be machined abuts against the tooth bottom of the grindstone 2 mechanically. At this point, the movement of the grindstone 2 and / or the work gear W stops.
  • the gap between the grindstone tooth surface 2 and the other tooth surface 12 to be processed W of the gear W to be processed is measured using an optical position sensor, an ultrasonic distance meter, an optical distance measuring device, and the like, and based on the measurement result.
  • the position adjusting means 3 can be operated so that the target relative position is obtained.
  • the positional relationship between the rotation axis C of the grindstone 2 and the rotation axis X of the gear to be processed W that can secure the gap d is derived in advance, and the rotation axis C of the grindstone 2 and / or the rotation of the gear to be processed W is at that position. It can also be set as the structure which adjusts the positional relationship with the axis
  • the grindstone rotating means control unit 72 can switch the rotation direction of the grindstone 2 by controlling the grindstone rotating motor 4.
  • the grindstone rotating motor 4 In FIG. 1, when the grindstone 2 rotates in the rotation direction N (rotation direction Z) and the workpiece gear W rotates in the rotation direction A, the teeth (mountains) appear to have an arrow G in the section shown in FIG. Move in the direction.
  • the control of the rotation of the grindstone 2 is not particularly limited, it is desirable to control so that the peripheral speed of the grindstone is constant. Accordingly, when the grindstone wears down, it is desirable to keep the peripheral speed constant by increasing the angular velocity of the grindstone 2 or the like.
  • the torque control means control unit 73 operates the rotational torque control means 5 so as to adjust the rotational torque F of the gear W to be processed within a predetermined range.
  • the torque control means control unit 73 detects the rotational torque F of the workpiece gear W and adjusts the rotational torque F.
  • the rotational torque F of the workpiece gear W is obtained by the torque control means control unit 73 based on the strain measured by the measuring member 87 of the adjustment member 8 of the rotational torque control means 5. And the control signal which moves the torque adjustment member 89 of the adjustment member 8 to an axial direction is transmitted so that the calculated
  • the torque adjusting member 89 is moved in a direction to increase the rotational torque F. If the detected rotational torque F is larger than the reference predetermined range, the rotational torque F is increased. The torque adjusting member 89 is moved in the direction of decreasing, and the axial position of the torque adjusting member 89 is maintained if the detected rotational torque F is within a predetermined range as a reference.
  • the vibration control unit 74 operates the position adjusting means 3 so as to vibrate the grindstone 2 and / or the work gear W, and changes the relative position between the rotation axis C of the grindstone 2 and the rotation axis X of the work gear W. .
  • the grindstone 2 is moved in the direction Y along the shape of the tooth surface of the tooth surface 11 to be processed.
  • the direction of movement (vibration) is not limited, for example, the tooth width of the tooth surface 11 to be processed, the direction inclined with respect to the toothpick direction, the vibration in a parallel, vertical direction, or circular shape. It is preferable to vibrate.
  • the amplitude is in a range where the grindstone tooth surface 21 and the tooth surface 11 to be machined can mesh and vibrate.
  • the amplitude is 1 ⁇ m to 100 ⁇ m.
  • the grindstone tooth surface 21 and the workpiece tooth surface 11 are preferably in contact with each other, and the movement (vibration) direction of the grindstone 2 by the vibration control unit 74 is desirably a direction in which the pressure does not change, and further the pressure change Movement (vibration) within the allowable range is desirable.
  • a configuration may be used in which the grindstone 2 is vibrated by moving the grindstone 2 at a target amplitude and frequency by a feed screw and a servo motor that the position adjusting unit 3 itself has.
  • another vibration device may be provided.
  • another vibration device for example, there is an ultrasonic wave generating means.
  • the control means 7 switches the rotation direction of the grindstone 2 by the grindstone rotation means control unit 72 in order to machine the other tooth surface 12 to be machined after machining the work tooth surface 11.
  • FIG. 5 shows a case where the grindstone 2 of the gear machining apparatus 10 is reversely rotated.
  • the grindstone 2 rotates in the reverse rotation direction M (rotation direction B) of the rotation direction N
  • the teeth mountains
  • the other processed tooth surface 12 of the processed tooth surface 11 of one tooth of the processed gear W comes into contact with the grindstone tooth surface 21.
  • the work gear W rotates in the direction of the rotation direction E opposite to the rotation direction A.
  • the torque control means control unit 73 operates the rotational torque control means 5 so as to adjust the rotational torque J of the gear W to be processed to a predetermined range.
  • FIG. 6 is a flowchart showing a typical control method of the gear manufacturing method executed by the gear processing apparatus 10 of the first embodiment.
  • the control method shown in this flowchart is an example, and the present invention is not limited to this.
  • the gear manufacturing method includes a position adjusting step S3 and a grindstone rotating step S4.
  • the relative position control unit 71 adjusts the relative position between the rotation axis C of the grindstone 2 and the rotation axis X of the gear W to be processed, and only the tooth surface 11 to be processed is brought into contact with the grindstone tooth surface 21.
  • the grindstone 2 and the gear W to be machined are engaged with each other.
  • the grindstone rotating step S4 the grindstone 2 is rotated by the grindstone rotating means controller 72.
  • the grindstone rotation step S4 may be started during the position adjustment step S3 or before the position adjustment step S3 is started.
  • the position adjusting step S3 and the grindstone rotating step S4 may be repeated until a predetermined condition is satisfied.
  • Predetermined conditions are that a predetermined time has passed, that the relative position between the rotation axis C of the grindstone 2 and the rotation axis X of the gear W to be processed is within a predetermined range, and the degree of processing of the tooth surface 11 to be processed is predetermined. It can be considered that the range has been reached.
  • Rotational torque control step S5 is performed during the grinding wheel rotation step S4 as shown in FIG.
  • the rotational torque control unit 73 controls the operation of the rotational torque control means 5 so as to adjust the rotational torque of the gear W to be processed within a predetermined range.
  • the vibration step S6 may be executed during the grinding wheel rotation step S4.
  • the vibration step S ⁇ b> 6 the movement of the grindstone 2 by the position adjusting unit 3 is executed based on the operation command from the vibration control unit 74. By moving the grindstone 2, the relative position between the rotation axis C of the grindstone 2 and the rotation axis X of the gear W to be processed changes.
  • the gear manufacturing method rotates the grindstone 2 in the grindstone rotating step S4, and executes the rotational torque control step S5.
  • the rotational torque control step S5 the rotational torque of the gear W to be processed is controlled, and the processing pressure P between the grindstone tooth surface 21 and the tooth surface 11 to be processed is controlled.
  • vibration process S6 can be arbitrarily performed in the state in which rotational torque control process S5 is performed in grindstone rotation process S4. By executing the vibration step S6, the shape of the tooth surface 11 to be processed can be processed more precisely or efficiently.
  • the other to-be-processed object is switched by switching the rotation direction of the grindstone 2.
  • the tooth surface can be processed.
  • the rotational torque control means 5 can apply rotational torque also in the direction in which the gear to be machined W increases (when a motor capable of rotating the adjusting members 52 and 8 is provided)
  • the rotational torque of the workpiece gear W is controlled by controlling the rotational torque of the workpiece gear W and applying the rotational torque in the direction in which the rotation of the workpiece gear W is increased from the rotational speed of the grindstone 2.
  • the other tooth surface to be processed can be processed.
  • the grinding wheel tooth surface 21 and the processing tooth surface 11 are brought into contact with each other, and the grinding wheel tooth surface 21 and the other processing tooth surface 12 are between them. Since the grindstone 2 and the gear W to be processed are meshed so that the gap d is provided, it is easy to control the processing pressure P between the grindstone tooth surface 21 and the tooth surface 11 to be processed.
  • the processing pressure P is controlled by, for example, executing the gear urging step S5 and controlling the rotational torque of the gear W to be processed by the gear rotation motor 4.
  • By easily controlling the processing pressure P it is possible to improve the surface roughness of the processing tooth surface 11 of the processing gear W while avoiding the occurrence of polishing burns and cracks of the processing gear W and the breakage of the grindstone 2. it can.
  • the gap d since the gap d is present, the relative positional relationship between the grindstone 2 and the workpiece gear W is easily changed.
  • the vibration process S ⁇ b> 6 is executed and the grindstone 2 is moved by the position adjusting means 3.
  • the shape of the tooth surface to be processed is processed in consideration of the gear with which the workpiece gear W is actually meshed by moving the grinding stone 2 so as to vibrate while the grinding stone 2 is rotating. Can do. According to the tooth surface considering the actual meshing gear, noise is suppressed.
  • the other tooth surface 12 to be machined of the workpiece gear W can be machined without changing the mounting direction of the workpiece gear W and setting it again.
  • the tooth surface processing apparatus according to the second embodiment has basically the same configuration and function as the tooth surface processing apparatus 10 according to the first embodiment.
  • different configurations and effects will be mainly described.
  • the adjustment member 9 is different from the adjustment members 52 and 8 used in the tooth surface processing apparatus 10 of the first embodiment. As shown in FIG. 8, the adjustment member 9 used in the tooth surface machining apparatus of the second embodiment is inserted into the gear W to be machined and is pivotable with respect to a bearing portion (not shown). The other end 614 side of the part 61 is installed.
  • the adjustment member 9 includes a torque generation motor 91 that generates torque at the other end, a first measurement member 92, a second measurement member 93, and a torsion buffer 94 between the torque generation motor 91 and the shaft portion 61. And have.
  • the first measurement member 92 and the second measurement member 93 are disk-shaped members that are coaxially and rotatably installed on the motor shaft 90 of the torque generation motor 91.
  • the first measurement member 92 and the second measurement member 93 may be cylindrical members having a thickness in the axial direction.
  • the torsion buffer 94 is a torsion spring positioned between the first measurement member 92 and the second measurement member 93 in the axial direction.
  • the torsion buffer 94 is not limited to a torsion spring, and may be a member having an elastic force such as rubber or a coil spring.
  • the first measuring member 92 and the second measuring member 93 each have at least one reference point 921, 931 in the circumferential direction.
  • the adjustment of the rotational torque applied to the workpiece tooth surface 11 of the workpiece gear W can be performed by detecting a deviation between the two reference points 921 and 931 and using the value.
  • the reference points 921 and 931 are detected by position detection sensors 95 and 96 such as an optical sensor, a magnetic sensor, and an image processing sensor.
  • the reference points 921 and 931 have a shape protruding in the radial direction from the disk-shaped main body, but are not limited to the protruding shape. It is conceivable that the passage is only a color that can be identified by an image, or a case where a magnet is embedded and does not appear in the appearance.
  • the present invention is not limited to this method.
  • the positions of the reference points 921 and 931 in a state where the workpiece gear W is not engaged with the grindstone 2 and the torque generation motor 91 is not driven are confirmed. If necessary, the respective positions are adjusted to the same position in the circumferential direction (see FIG. 9A).
  • the torque generating motor 91 is driven so that the processed gear W and the grindstone 2 have a rotational speed at which they rotate synchronously in a state where they are not engaged with each other.
  • the torque generating motor 91 drives the workpiece gear W so as to have the rotational speed N3
  • the state in which the reference points 921, 931 are shifted in the circumferential direction is an initial state (torque applied to the workpiece tooth surface 11 of the workpiece gear W). Is zero). How much the reference point 931 deviates from the initial state after the gear W and the grindstone 2 mesh with each other after the relative position is adjusted by the position adjusting means 3 and the grindstone rotating means control unit 72 rotates the grindstone 2.
  • FIG. 9 (b), (c) It detects (FIG. 9 (b), (c)), and adjusts the drive of the torque generation motor 91.
  • FIG. 9 (b), (c) It detects (FIG. 9 (b), (c)), and adjusts the drive of the torque generation motor 91.
  • FIG. 9 (b), (c) It detects (FIG. 9 (b), (c)), and adjusts the drive of the torque generation motor 91.
  • FIG. 9 (b), (c) It detects (FIG. 9 (b), (c)), and adjusts the drive of the torque generation motor 91.
  • FIG. 9 (b), (c) It detects (FIG. 9 (b), (c)), and adjusts the drive of the torque generation motor 91.
  • FIG. 9 (b), (c) It detects (FIG. 9 (b), (c)), and adjusts the drive of the torque generation motor 91.
  • FIG. 9 (b), (c) It detects (FIG. 9 (b),
  • the torque control means control unit 73 adjusts the machining pressure P by increasing or decreasing the power and rotation speed of the torque generating motor and changing the magnitude of ⁇ S from the initial state.
  • the gear to be machined is not adjusted by switching the rotation direction of the grindstone rotation motor 4 but by adjusting the torque generation motor 91 of the adjustment member 9 as the rotation torque control means 5.
  • the other tooth surface 12 to be processed of W can be processed, and it is not necessary to change the mounting direction of the gear W to be set and to set it again or to change the rotation direction of the grindstone.
  • the tooth surface can be processed.
  • Embodiment 1 and 2 mentioned above demonstrate the basic concept of the gear surface manufacturing apparatus which concerns on this invention, and the gear manufacturing method performed using this apparatus. Therefore, an embodiment of a specific system configuration of the tooth surface processing apparatus according to the present invention will be described next with reference to FIGS.
  • FIG. 10 is a diagram illustrating a system configuration of the tooth surface processing apparatus according to the first embodiment.
  • the tooth surface processing apparatus according to the first embodiment illustrated in FIG. 10 is an apparatus that employs a method in which the grindstone 2 and the gear W to be processed rotate synchronously.
  • the grindstone 2 is connected to a grindstone rotating motor 4 that is a spindle motor, and the spindle motor 4 can rotationally drive the helically grindstone 2. It has become.
  • the spindle motor 4 is provided with a built-in detector 4a so that the amount of rotation of the grindstone 2 can be grasped.
  • the work gear W is connected to a drive servo motor 18 via a C shaft 16 and a timing belt 17, and the work gear W can also be rotationally driven by the drive servo motor 18. .
  • the grindstone 2 connected to the spindle motor 4 and the workpiece gear W connected to the drive servomotor 18 are electrically and controlably connected via an electronic gear box 19, and the two mesh with each other. It is configured to be able to rotate synchronously in a short state.
  • the "toothed grinding wheel” connected to the spindle motor and the “machined gear” connected to the drive servo motor are connected to the electronic gear. Engagement via a box and synchronous rotation have been performed.
  • the cutting of the helical grinding wheel can be performed by simultaneously grinding both tooth surfaces of the gear to be machined by cutting with a separate servo motor toward the radial direction of the gear to be machined. It was done.
  • the tooth surface machining apparatus according to the first embodiment illustrated in FIG. 10 it is not necessary to use another servomotor when cutting the grindstone 2 in the radial direction of the gear W to be machined.
  • the driving servo connected to the work gear W among the work wheel W and the grindstone 2 synchronously rotated and meshed by the electronic gear box 19.
  • the motor 18 is commanded separately for “advance” and “delay” of synchronization, and “cutting” (position control / current limit) is applied in the gear meshing pitch direction for each tooth surface of the gear. It is possible to polish by applying tooth surface pressure.
  • the synchronous rotation system configuration using the electronic gear box 19 rotates the helical toothed wheel 2 and the gear W to be machined by its own torque. Regardless of the rotational resistance, a small and stable load can be applied to the machined tooth surface. Further, since the relative machining direction of the grindstone 2 and the gear W to be machined is the same direction and the left and right tooth surfaces are under the same machining conditions, the advantage that the surface properties and surface roughness can be made uniform is also obtained. Furthermore, according to the first embodiment, since the operation of stopping and starting the reverse rotation of the helical toothed grindstone 2 is not required, effects such as energy saving, resource saving, and shortening of processing time can be obtained.
  • Example 2 The tooth surface processing apparatus according to the first embodiment has been described with reference to FIG. However, although the structure of Example 1 can easily adjust the torque in the “advance” direction, there is still room for improvement in torque adjustment in the “delay / deceleration” direction. Therefore, as a second embodiment, a system configuration example in which torque management is easy regardless of the “advance / delay” direction will be described.
  • FIG. 11 is a diagram illustrating a system configuration of the tooth surface processing apparatus according to the second embodiment.
  • the tooth surface processing apparatus according to the second embodiment illustrated in FIG. 11 is also an apparatus that employs a method in which the grindstone 2 and the gear W to be processed rotate synchronously.
  • the tooth surface processing apparatus according to the second embodiment has the same or similar configuration and operational effects as those of the tooth surface processing apparatus according to the first embodiment, the following description will focus on different configurations and operational effects.
  • a torsion buffer 16a is installed on the C shaft 16 'installed between the workpiece gear W and the drive servomotor 18, and this torsion buffer is provided.
  • a configuration is adopted in which one position coder 16b, 16c is installed at each end of the body 16a.
  • the pair of position coders 16b and 16c measure the amount of torsion of the torsion buffer 16a to detect the processing torque applied to the gear to be processed W, and perform position control and current control for the drive servo motor 18. Therefore, the processing pressure applied to the gear W to be processed can be adjusted by such a configuration.
  • the torsional buffer 16a it is preferable to use a material that is deformed by a small force such as a spring or rubber and hardly resonates.
  • a material that is deformed by a small force such as a spring or rubber and hardly resonates.
  • the torsional buffer 16a that can be used in the second embodiment is not limited to these, and for example, an electrical buffer may be used.
  • a grindstone forming rotary dresser may be installed on the rotating shaft of the gear W to be processed for the tooth surface processing apparatus according to the second embodiment.
  • a wheel dressing rotary dresser in addition to the tooth surface processing apparatus according to the second embodiment, it is possible to provide an apparatus configuration that facilitates wheel shaping.
  • a device configuration that enables ON / OFF of the function of the torsional shock absorber 16a by adding a clutch function for selecting the function of the torsional shock absorber 16a to the tooth surface processing device according to the second embodiment. It is also possible to adopt. If the clutch function is turned on and the torsional buffer 16a functions as a rigid body, the C-axis 16 'becomes an axis that serves as both a polishing axis and a dressing axis, which is preferable.
  • the configuration in which the twist amount of the torsion buffer 16a is measured by the pair of position coders 16b and 16c is adopted.
  • a strain gauge is attached to the torsion buffer 16a directly.
  • a technique for measuring the machining torque can also be adopted.
  • FIG. 12 is a diagram illustrating a system configuration example of the tooth surface processing apparatus according to the third embodiment.
  • the electronic gear box 19 shown in the first and second embodiments is abolished. Therefore, in the tooth surface machining apparatus according to the third embodiment, the rotation direction of the drive servo motor 18 for the gear W to be machined that is mechanically rotating synchronously with the drive force of the grinding wheel rotation motor 4 that is a spindle motor. Command "advance” and “delay” separately, and cut in the meshing pitch direction of the gear, and at the same time, command the current limit (machining torque), the tooth surface pressure for each tooth surface of the gear In addition, polishing can be performed. By adopting such a control method, the electronic gear box 19 becomes unnecessary, and thus an effect of reducing the manufacturing cost can be obtained.
  • the drive source is installed in both the grindstone 2 and the gear W to be processed, and the tooth surfaces are processed by rotating both synchronously.
  • the drive servo motor 18 for the gear W to be machined and the electronic gear box 19 are eliminated, and the drive source is Only the grinding wheel rotating motor 4 which is a spindle motor connected to the grinding wheel 2 is provided.
  • a brake device 18 ′ is installed on the side of the gear W to be processed, and the tooth surface processing is controlled by applying a brake to the rotational driving force of the spindle motor 4.
  • the tooth surface machining apparatus engages the helical tooth 2 and the gear W to be machined with backlash and rotates the grinding wheel 2 side to rotate the grinding wheel 2 side.
  • the processed gear W is also rotated, and a brake is applied by operating a brake device 18 ′ provided on the shaft side of the processed gear W against the rotational torque based on the accompanying rotation, and pressure is applied to the gear tooth surface for polishing.
  • a brake device 18 ′ provided on the shaft side of the processed gear W against the rotational torque based on the accompanying rotation, and pressure is applied to the gear tooth surface for polishing.
  • Such a device configuration is a method in which tooth surface machining is realized by the gear W to be worked around the grindstone 2.
  • a method of detecting torque on the brake device 18 'side and a method of detecting using the torsion buffer 16a installed on the C shaft 16' connected to the gear W to be processed are selected. can do.
  • a finer processing pressure can be adjusted by selecting the strength of the torsional buffer 16a (a spring constant in the case of a coil spring).
  • the torsion buffer 16a can measure the load by directly measuring the amount of deflection using a strain gauge or the like using members such as rubber, various springs, and resins.
  • the grinding wheel conspicuous means 23 according to the first modification is a means for shaping and conspicuous the grinding wheel 2 for machining the gear W to be machined by the tooth surface machining apparatus according to the first and second embodiments.
  • the surface of the grinding wheel conspicuous means 23 according to the first modification is configured as a rotary dresser made of diamond.
  • the grindstone conspicuous means 23 has a shape in which two disks are arranged.
  • One crest of the grindstone 2 is a valley flank formed by two adjacent crests of the grindstone conspicuous means 23, and is sandwiched between the left and right sides at a predetermined pressure angle.
  • grindstone conspicuous means 23 is arranged along the tooth streaks of grindstone 2.
  • the grindstone 2 is rotated around the rotation axis C by the motor 4.
  • the grindstone conspicuous means 23 is supported so as to be able to rotate around the axis of the grindstone conspicuous means 23, and is moved in the axial direction following the rotation of the grindstone 2.
  • a rotary dresser having a shape like the grindstone conspicuous means 24, 25 has been used as shown in FIG.
  • the grindstone conspicuous means 24 for only one crest one crest presses one grindstone tooth surface 21 of the two crests of the grindstone from one direction.
  • the grindstone conspicuous means 25 for forming and concentrating the grindstone tooth surface 21 by sandwiching two adjacent crests of the grindstone on the side to be sharpened is provided by the grindstone conspicuous means 25 so as to bring the two adjacent crests of the grindstone closer to each other. Press from one direction.
  • the grindstone is an elastic material that can be deformed so as to conform to the shape of the tooth surface to be processed
  • this grindstone conspicuous means 24, 25 the crest of the grindstone is deformed in the direction of the small arrow shown in the figure, It was difficult to shape and sharpen the grindstone.
  • the grinding wheel conspicuous means 23 forms and sharpens one crest of the grindstone 2 with two crests.
  • the grinding wheel 2 can be shaped and sharpened with electric power or the like.
  • the grindstone conspicuous means 23 according to the first modification is effective, and one crest of the grindstone is a grindstone.
  • the grindstone is shaped and sharpened by being sandwiched and restrained by the two peaks of the standing means 23.
  • FIG. 17 is a diagram illustrating the grindstone conspicuous means 26 according to the modified embodiment 2, but the rotary dresser as the grindstone conspicuous means 26 illustrated in FIG.
  • a cylindrical forming portion 26a corresponding to the small diameter of the gear W to be processed is formed.
  • the rotary dresser as the grindstone conspicuous means 26 according to the modified embodiment 2 is formed as a tooth-shaped rotary dresser having two threads.
  • the grindstone conspicuous means 26 according to the modified embodiment 2 is formed as a tooth-shaped rotary dresser having two threads, so that the grindstone conspicuous means 23 of the above-described modified embodiment 1 is compared with the prior art. Therefore, it is possible to form and sharpen the grindstone 2 very efficiently.
  • the grindstone conspicuous means 26 according to the modified embodiment 2 has the cylindrical molded portion 26a at both end faces, and as illustrated in FIG. 17, the operation utilizing the shape of the cylindrical molded portion 26a is performed. By executing this, even if compared with the grinding wheel conspicuous means 23 of the first modification, the grinding stone 2 can be shaped and sharpened very efficiently.
  • the torque adjusting member 89 derives the rotational torque of the gear W to be processed by measuring the strain of the measuring member 87 made of an elastic body.
  • the rotational torque of the gear W to be processed is derived by measuring the movement amount (rotation angle) of the second disk 83 instead of the measurement member 87.
  • the vibration means 6 executed in the vibration step S6 may be a device that vibrates by moving the workpiece gear W or a device that vibrates by moving both the grindstone 2 and the workpiece gear W. it can.
  • the position control means 3 is used instead of the means for controlling the rotation of the work gear W, and the rotation axis C of the grindstone 2 and the rotation axis X of the work gear W are relative to each other. You may carry out only by changing a position. That is, by changing the relative position between the rotation axis C of the grindstone 2 and the rotation axis X of the workpiece gear W, the degree of contact between the grindstone 2 and the workpiece gear W can be changed. In the present embodiment, since the grindstone 2 advances the processing while being in contact with only one of the tooth surfaces of the gear W to be processed, the processing pressure is appropriately controlled only by the position control means 3. It is possible.
  • the other feature of the tooth surface processing apparatus is that the tooth width is equal to or greater than the tooth width of the helical tooth grindstone, and is rotated by the rotation of the helical tooth grindstone. It has grindstone conspicuous means that follows the movement in the axial direction. Since the tooth width of the grinding wheel conspicuous means for conspicuous grinding wheel tooth surface is equal to or greater than the tooth width of the grinding wheel tooth surface, the rotation and axial movement of the grinding wheel conspicuous means can be driven by a helical tooth.
  • the grindstone tooth surface can be conspicuous without adding a means for rotating the grindstone conspicuous means and moving it in the axial direction. Since the present invention can avoid the occurrence of polishing burns, cracks, and damage to the grindstone, it is possible to sharpen the grindstone tooth surface while machining the gear to be machined with the helical grindstone, and processing efficiency is improved. high.
  • the processing device rotates with the rotation of the helical tooth wheel with a tooth width equal to or greater than the tooth width of the helical tooth wheel.
  • a whetstone conspicuous means that follows the movement of the shaped whetstone in the axial direction.
  • the tooth width of the grinding wheel conspicuous means for conspicuously grinding the tooth surface of the grinding wheel is equal to or larger than the tooth width of the grinding wheel tooth surface
  • the rotation and axial movement of the grinding wheel conspicuous means follow the toothed grinding wheel. Therefore, the grindstone tooth surface can be conspicuous without adding a means for rotating the grindstone conspicuous means and moving it in the axial direction. Since the present invention can avoid the occurrence of polishing burns, cracks, and damage to the grindstone, it is possible to sharpen the grindstone tooth surface while machining the gear to be machined with the helical grindstone, and processing efficiency is improved. high.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)
PCT/JP2012/006868 2011-07-18 2012-10-25 歯面加工装置及び歯車製造方法 WO2013183094A1 (ja)

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US14/404,421 US9327356B2 (en) 2011-07-18 2012-10-25 Tooth flank machining device and gear manufacturing method
CN201280073517.2A CN104507613B (zh) 2012-06-06 2012-10-25 齿面加工装置以及齿轮制造方法
BR112014029596A BR112014029596A2 (pt) 2011-07-18 2012-10-25 dispositivo de usinagem de flanco de dente e método para fabricação de engrenagem
DE112012006475.5T DE112012006475T5 (de) 2012-06-06 2012-10-25 Zahnflankenbearbeitungsvorrichtung und Zahnradherstellungsverfahren

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JP7460334B2 (ja) 2018-06-20 2024-04-02 クリンゲルンベルク・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 歯車ワークピースのトポロジカル創成研削方法、および歯車ワークピースのトポロジカル創成研削のための制御システムを備える研削機械

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CH715989B1 (de) * 2019-03-22 2020-10-30 Reishauer Ag Verfahren zum kontinuierlichen Wälzschleifen von vorverzahnten Werkstücken.
CN112207368A (zh) * 2020-10-10 2021-01-12 天津理工大学 一种旋转超声滚铣螺旋锥齿轮齿面纹理的加工和控制方法
CN112808946B (zh) * 2021-01-18 2022-01-11 中南大学 一种超声冷摆碾齿高效加工圆柱齿轮的方法及装置
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