WO2007077964A1 - Dispositif et procede de rectification de meule - Google Patents

Dispositif et procede de rectification de meule Download PDF

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Publication number
WO2007077964A1
WO2007077964A1 PCT/JP2006/326378 JP2006326378W WO2007077964A1 WO 2007077964 A1 WO2007077964 A1 WO 2007077964A1 JP 2006326378 W JP2006326378 W JP 2006326378W WO 2007077964 A1 WO2007077964 A1 WO 2007077964A1
Authority
WO
WIPO (PCT)
Prior art keywords
grinding wheel
tool
end surface
truer
grinding
Prior art date
Application number
PCT/JP2006/326378
Other languages
English (en)
Japanese (ja)
Inventor
Tomoyuki Kasuga
Hiroshi Morita
Takayuki Yoshimi
Eiji Kato
Hisanobu Kobayashi
Original Assignee
Jtekt Corporation
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
Application filed by Jtekt Corporation filed Critical Jtekt Corporation
Priority to US12/159,534 priority Critical patent/US20090280726A1/en
Priority to EP06843748.2A priority patent/EP1974860A4/fr
Publication of WO2007077964A1 publication Critical patent/WO2007077964A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/04—Devices or means for dressing or conditioning abrasive surfaces of cylindrical or conical surfaces on abrasive tools or wheels
    • B24B53/053—Devices or means for dressing or conditioning abrasive surfaces of cylindrical or conical surfaces on abrasive tools or wheels using a rotary dressing tool
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
    • B24B53/12—Dressing tools; Holders therefor
    • B24B53/14—Dressing tools equipped with rotary rollers or cutters; Holders therefor

Definitions

  • the present invention relates to a grinding wheel truing apparatus and a truing method for correcting a grinding wheel which is a processing tool of a grinding machine.
  • the grinding wheel's tooling device has the rotation axis of the correction tool arranged in the same direction as the rotation axis of the grinding wheel, and has a cup-shaped tool on the side of the disk-shaped diamond tool as the correction tool. Using this tool, the peripheral surface of the grinding wheel was tooled with the outer peripheral surface of the disk-shaped diamond tool, and the end surface of the grinding wheel was tooled with the end surface of the force-pull tool.
  • Patent Document 1 Japanese Patent Laid-Open No. 2 0 0 2 — 2 8 3 2 3 5
  • Patent Document 1 in addition to the crushing device for the end surface of the grinding wheel, a truing device for the circumferential surface is required in order to crush the circumferential surface and the end surface of the grinding wheel. There is a problem that the cost associated with the tooling device increases and a space for installing the tooling device is required when the tool is provided in a grinder or the like, which increases the size of the grinder.
  • the number of abrasive grains that come into contact with the correction tool is reduced, the contact pressure on the abrasive grains is relatively increased, and the abrasive grains are sufficiently crushed to sharpen the cutting edge.
  • the contact with the abrasive grains was reduced to suppress the generation of grinding heat.
  • the grinding wheel has a low abrasive grain density and few abrasives come into contact with the workpiece, so that the grinding efficiency is deteriorated and the life of the grinding wheel is shortened. Disclosure of the invention
  • a truing device for a grinding wheel according to the present invention comprises:
  • a grinding wheel truing device comprising a correction tool supported rotatably and correcting a grinding wheel rotated by the correction tool
  • the correction tool has a peripheral surface tool whose rotating peripheral surface is a truer surface, and an end surface tooler whose end surface in the rotation axis direction is a truer surface,
  • the end surface of the grinding wheel is corrected with the circumferential surface tool, and the rotational axis of the correction tool is arranged substantially orthogonal to the rotational axis of the grinding wheel so that the peripheral surface of the grinding wheel is corrected with the end surface tool. It is characterized by that.
  • a “disk-shaped tourer” can be exemplified.
  • examples of the “end surface tourer” include “cup type tourer”, “tourer having one or more ridges”, and the like.
  • the peripheral surface and the end surface truers may be those using diamond abrasive grains or the like, or those using columnar diamonds.
  • the word “truing” is used to mean both the narrow “truing” and the dressing. In other words, it is named “truing”, including both the work of adjusting the shape of the grinding wheel and the work of adjusting the surface condition.
  • “truing” means to adjust the outer peripheral surface of the grinding wheel to a desired shape
  • “dressing” means to adjust the surface state of the grinding wheel surface of the grinding wheel, that is, spilled, clogged, clogged. Is to repair etc.
  • tooling and dressing are not strictly separated.
  • a device for tooling and a device for dressing are also called truing devices or dressing devices. It is out. This is thought to be due to the fact that dressing may be completed at the same time if the grinding wheel is pulled.
  • the rotation axis of the correction tool is arranged substantially orthogonal to the rotation axis of the grinding wheel, the end surface of the grinding wheel is tooled with the circumferential tool, and the circumferential surface of the grinding wheel is tooled with the end surface tool. It is intended to be As a result, the contact area between the grinding wheel and the correction tool on both the end face and peripheral surface of the grinding wheel can be reduced as much as possible by making point contact or line contact.
  • the wheel edge of the wheel is prevented from being worn and flattened by rubbing the abrasive grains of the car, and the contact pressure with the grinding wheel can be increased, so that the grinding wheel abrasive grains are crushed in good condition. As a sharp cutting edge, the sharpness of the grinding wheel can be improved.
  • the abrasive grains of the grinding wheel can be made sharper, the holding edge of the abrasive grains by grinding can be improved, and the interval for carrying out the tooling (tooling in the evening) is increased. It becomes longer and can improve the production efficiency by increasing the operating rate of the grinding machine.
  • the contact pressure with the grinding wheel can be increased, it is possible to bring more abrasive grains into contact with the grinding wheel when compared with the conventional grinding wheel. Can be corrected.
  • the grinding wheel with higher abrasive density can be corrected satisfactorily, it becomes possible to attach a grinding wheel with high abrasive density to the grinding machine for grinding, and the grinding efficiency of the grinding machine can be improved. Can be improved.
  • the end surface and the peripheral surface of the grinding wheel can be trued with a single tool. Therefore, it is possible to suppress an increase in cost associated with the truing device, and it is possible to suppress an increase in the size of the grinder even if the grinder is provided.
  • the rotation axis of the correction tool is arranged substantially perpendicular to the rotation axis of the grinding wheel, when the truing device is provided on the worktable side such as the headstock of the grinding machine, it is the same as the direction in which the worktable extends.
  • the disk-shaped surface of the correction tool extends in the direction, and the amount of protrusion of the truing device from the headstock can be reduced, and the increase in size of the grinding machine can be suppressed.
  • the grinding machine for a grinding wheel according to the present invention is characterized in that "the correction tool has an inner diameter of the end surface truer larger than a grinding wheel width of the grinding wheel” Is.
  • the “inner diameter of the end face tool” is the inner diameter of the annular track of the end face tool formed by rotating the correction tool.
  • the rotation axis of the correction tool is arranged substantially orthogonally to the rotation axis of the grinding wheel as described above, and the peripheral surface of the grinding wheel is tooled with the end surface tool of the correction tool, Since the relative moving direction of the contact part of the end surface tooler in contact is opposite to the left and right across the rotation axis of the correction tool, the tool is corrected when the peripheral surface of the grinding wheel is tooled with the end surface tool. If the wheel is in contact with the contact part on the opposite side beyond the rotation axis, the truing conditions for the grinding wheel will change significantly, making it difficult to true the grinding wheel to the optimum state.
  • the inner diameter of the end surface tooler in the correction tool is larger than the grinding wheel width of the grinding wheel to be corrected, and the peripheral surface of the grinding wheel is aligned with the axial direction of the grinding wheel using the end surface tool.
  • the relationship between the inner diameter B and the grinding wheel width TW is within the range satisfying TW ⁇ B ⁇ 1.2 TW to 3 TW. This is because if the inner diameter B of the end surface tool is further increased, the truing device becomes larger and the space becomes disadvantageous in terms of cost.
  • the truing device for a grinding wheel according to the present invention is characterized in that “the end surface truer of the correction tool is a columnar diamond”.
  • the “columnar diamond” is preferably a polycrystalline diamond in which a diamond film synthesized by a known synthesis method such as a CVD method, a plasma jet method, or a flame method is formed in a columnar shape.
  • single crystal diamond has been used for correction tools.
  • single crystal diamond is easy to crack large, there is a problem that the surface shape of the correction tool changes greatly depending on the cracking method and the truing performance of the correction tool becomes unstable.
  • the cracking is fine and the end surface truer is reduced substantially uniformly, and the change in the surface shape of the truer is minimized. And truing performance can be stabilized.
  • the truing method of the grinding wheel according to the present invention includes:
  • the rotation axis of the correction tool having a circumferential surface tool whose rotation surface is a true surface and an end surface tool whose rotation surface direction is a true surface is substantially perpendicular to the rotation axis of the grinding wheel.
  • the end surface of the grinding wheel is corrected with the peripheral surface tool of the correction tool, and the peripheral surface of the grinding wheel is corrected with the end surface tool.
  • the present invention it is possible to achieve the same effect as that of the above-described grinding machine for a grinding wheel, and to break the abrasive grains of the grinding wheel into a good state to obtain a sharp cutting edge. It is possible to improve the sharpness of the peripheral surface and the end surface of the grinding wheel and to suppress the occurrence of grinding burn during the grinding process.
  • the grinding method for a grinding wheel includes the following: “When a chamfer is provided between the end surface and the peripheral surface of the grinding wheel, the predetermined direction with respect to the rotation axis direction of the grinding wheel” When the direction is one side and the opposite direction is the other side, the chamfered portion on one side of the grinding wheel is corrected on the other side of the end surface tool, and the chamfered portion on the other side of the grinding wheel is changed to the end surface truer.
  • the method is characterized in that the rotation direction of the correction tool is reversed between when the one chamfered portion is corrected and when the other chamfered portion is corrected.
  • the grinding wheel and the end face tool of the correction tool are relative to each other at both ends of the grinding wheel.
  • the chamfered portion of the grinding wheel can be further trued in a good state.
  • FIG. 1 is a plan view showing a schematic configuration of a grinding machine to which an example of a truing device for a grinding wheel according to the present invention is applied.
  • FIG. 2 is an enlarged view showing a correction tool in the truing apparatus of the grinding wheel shown in FIG.
  • FIG. 3A is an explanatory view showing an operation mode of the truing device of the grinding wheel in FIG. 1 together with a truing method.
  • FIG. 3B is an explanatory view showing an operation mode of the truing device for the grinding wheel in FIG. 1 together with a truing method.
  • FIG. 4A is a plan view showing a correction tool having a different form from the correction tool shown in FIG.
  • FIG. 4B is a plan view showing a correction tool having a different form from the correction tool shown in FIG.
  • FIG. 5A is an explanatory diagram showing the relationship between the inner diameter of the end surface truer and the grinding wheel width of the grinding wheel in a correction tool of a different form.
  • FIG. 5B is an explanatory diagram showing the relationship between the inner diameter of the end surface truer and the grinding wheel width of the grinding wheel in a modified tool of a different form.
  • FIG. 6A is an explanatory view showing a truing method of the grinding wheel provided with the R portion.
  • FIG. 6B is an explanatory view showing a truing method of the grinding wheel provided with the R portion.
  • BEST MODE FOR CARRYING OUT THE INVENTION an embodiment of a truing device and a truing method for a grinding wheel according to the present invention will be described in detail with reference to FIGS. 1 to 3B.
  • FIG. 1 is a plan view showing a schematic configuration of a grinding machine to which an example of a truing device for a grinding wheel of the present invention is applied.
  • FIG. 2 is an enlarged view showing a correction tool in the crushing device of the grinding wheel shown in FIG.
  • FIG. 3A and FIG. 3B are explanatory diagrams showing the operation mode of the grinding device for the grinding wheel in FIG. 1 together with the truing method.
  • a grinding machine 1 to which a grinding wheel crane device according to an embodiment of the present invention is applied includes a bed 2 constituting a base portion, and a grinding wheel placed on the bed 2.
  • Wheel table 3 that supports the vehicle T so that it can be rotated
  • X-axis drive device 4 that moves the wheel table 3 in the X-axis direction
  • a work table that is placed at a position different from the wheel table 3 on the bed 2 5 and the headstock 7 and the tailstock 8 having the spindle 6 which is placed on the worktable 5 and supports the work W and rotationally drives the work W, and the worktable 5 is moved in the Z-axis direction.
  • a shaft drive device 9 and a truing device 11 having a correction tool 10 for correcting the grinding wheel T provided on the head stock 7 are provided.
  • the X-axis driving device 4 and the Z-axis driving device 9 are each composed of a known driving device configured using a servo motor, a feed screw, or the like.
  • the grinding wheel base 3 is composed of a grinding wheel shaft 1 2 on which the grinding wheel T is mounted, a shaft head 13 that rotatably supports the grinding wheel shaft 12, and a motor that rotates the grinding wheel shaft 12. And a drive unit 14.
  • the grinding wheel T is formed in a disk shape using an appropriate grinding stone material such as a CBN grinding wheel so that the outer peripheral surface and the end surface near the outer peripheral surface become a grinding surface, and is driven to rotate together with the grinding wheel shaft 12. It is rotationally driven by the device 14.
  • the corrective tool 10 includes a disk-shaped peripheral tool 15 whose outer peripheral surface is a truer surface, and an end of the corrective tool 10 whose end surface protrudes in the rotation axis direction is a truer surface.
  • the peripheral surface tour 15 is a disk-shaped diamond tour having a known diamond metal bond layer.
  • the end surface truer 16 is composed of a holding member 17 formed in a straight ridge and a columnar diamond 18 embedded and held in a holding hole formed in the holding member 17. The columnar diamond 18 is exposed from the end face of the holding member 17 (see Fig. 2).
  • the columnar diamond 18 is formed by forming a diamond film in a columnar shape using a known synthesis method such as a C VD method, and is a polycrystalline diamond.
  • the holding member 17 is formed using an appropriate material such as metal. In this example, two columnar diamonds 18 are embedded and held in the holding member 17.
  • the clawing device 1 1 having the correction tool 1 0 rotatably supports the correction tool 1 0, and the rotation axis of the grinding wheel T on which the rotation axis of the correction tool 10 is mounted on the grinding wheel base 3.
  • a tool base 19 that is supported so as to be substantially orthogonal to the tool base, and a rotary drive device (not shown) comprising a motor that rotates the correction tool 10 rotatably supported on the tool base 19.
  • a rotary drive device (not shown) comprising a motor that rotates the correction tool 10 rotatably supported on the tool base 19.
  • the grinding machine 1 controls the X-axis drive device 4, the rotation drive device of the main shaft 6, the Z-axis drive device 9, the rotation drive device 14 of the grinding wheel T, the rotation drive device of the tooling device 1 1, etc.
  • a CNC control device 20 is further provided. This CNC control unit 20 can process the workpiece W by numerical control and correct the grinding wheel T by executing a predetermined program.
  • CPU, ROM, RAM, hard disk, etc. It is configured using the computer that has it.
  • the truing method of the grinding wheel T in the grinding machine 1 of the present embodiment and the operation mode of the truing device 11 will be described together.
  • the X-axis drive 4 and the CNC controller 20 The grinding wheel base 3 and the work table 5 are moved appropriately by controlling the Z-axis driving device 9 so that the outer peripheral surface of the peripheral tool 15 in the correction tool 10 is brought into contact with the end surface of the grinding wheel T.
  • the grinding wheel T and the correction tool 10 are moved relative to each other in the X-axis direction while the circumferential surface wheel 15 is cut into the end surface of the grinding wheel T by a predetermined amount. Truing with surface tooler 15 (see Fig. 3A) and repeat this action a predetermined number of times.
  • the contact portion between the end surface of the grinding wheel T and the disk-shaped circumferential surface tool 15 becomes a substantially point contact, so the peripheral surface tool 15 rubs the abrasive grains of the grinding wheel T. It is possible to prevent the abrasive blade edge from being worn and flattened, and to obtain an abrasive having a sharp blade edge.
  • either the end surface truing on one side or the end surface truing on the other side rotates either the grinding wheel T or the correction tool 10 in the opposite direction. Truing to make the moving direction of the contact part between the grinding wheel T and the correction tool 10 the same direction.
  • the CNC controller 2 0 controls the X-axis drive 4 and Z-axis drive 9 to move the grinding wheel base 3 and the work table 5 as appropriate.
  • the end surface of the end surface tool 16 in the tool 10 is brought into contact with the outer peripheral surface of the grinding wheel T.
  • the peripheral surface of the grinding wheel T is moved to the end surface by moving the grinding wheel T and the correction tool 10 relative to each other in the Z-axis direction. Touring with Toura 1 6 (see Figure 3B) and repeating this action a predetermined number of times.
  • the contact portion between the circumferential surface of the grinding wheel T and the end surface tool 16 is substantially linear contact, but a line extending in a direction substantially perpendicular to the rotational direction of the end surface tool 16.
  • the end surface tool 16 rubs the abrasive grains of the grinding wheel T more than necessary to prevent the abrasive blade edges from being worn and flattened.
  • the cutting amount when grinding the end face of the grinding wheel T by the circumferential surface tool 15 is 2 to 3; m, the number of repetitions is 5 to 10 times, and the grinding wheel by the end face tool 16 is used.
  • the cutting depth when cruising the surface of the car T is about 5 / m in diameter and the number of repetitions is 4-5 times.
  • a comparison of the grinding wheel modified with the conventional truing device that truws the end face of the grinding wheel with a force-pull type tool and the grinding wheel T modified with the truing device 11 of the present embodiment shows a grinding efficiency. It was about 10 times higher, and the truing-in evening was about 20 times higher.
  • the grinding wheel As described above, according to the crushing device 11 and the clawing method of the grinding wheel of the present embodiment, after the rotational axis of the correction tool 10 is arranged substantially orthogonal to the rotational axis of the grinding wheel T, the grinding wheel The end surface of the wheel T is twisted with the peripheral surface wheel 15 and the peripheral surface of the grinding wheel T is ground with the end surface tool 16, and both the end surface and the peripheral surface of the grinding wheel T are ground.
  • the contact area between T and the correction tool 10 can be reduced as much as possible by making point contact or line contact, and the correction tool 10 can rub the abrasive grains of the grinding wheel T more than necessary.
  • the blade edge can be prevented from being worn and flattened, and the contact pressure can be increased, so that the abrasive grains of the grinding wheel T can be crushed into a good state to make a sharp edge.
  • the sharpness of the grinding wheel T can be improved.
  • the abrasive grains of the grinding wheel T can be made to have a sharper cutting edge, it is possible to improve the holding of the cutting edge of the abrasive grains by grinding, and the interval for carrying out the tooling (tooling interval) is increased. It becomes longer, and the operating rate of the grinding machine 1 can be increased to improve production efficiency.
  • the contact pressure between the grinding wheel cutter and the correction tool 10 can be increased, more abrasive grains can be brought into contact with the grinding tool than before.
  • a grinding wheel with high grain density can be corrected.
  • the grinding wheel wheel with higher abrasive density can be corrected satisfactorily, it becomes possible to mount the grinding wheel wheel with higher abrasive density on the grinding machine 1 for grinding. The grinding efficiency can be improved.
  • the correction tool 10 having the peripheral surface tool 15 and the end surface tool 16 is used, it is possible to tool the end surface and the peripheral surface of the grinding wheel with a single tooling device 11. In addition, it is possible to suppress an increase in cost associated with the truing device 11 and to suppress an increase in the size of the grinding machine 1.
  • the rotation axis of the correction tool 10 is arranged substantially perpendicular to the rotation axis of the grinding wheel, the disk-shaped circumferential surface tool 1 of the correction tool 10 extends in the same direction as the work table 5 extends. The surface of 5 extends and the amount of protrusion of the truing device 10 from the headstock 7 can be reduced, and the increase in size of the grinding machine 1 can be suppressed.
  • the end surface truer 16 is made of polycrystalline columnar diamond 18, the cracking is fine and the end surface truer 16 is reduced substantially uniformly, and the change in the surface shape is minimized. And truing performance can be stabilized.
  • the end surface truer 16 6 force in the correction tool 10 is shown in which the columnar diamond 18 is embedded and held in the convex holding member 17 formed linearly.
  • various shapes A cylindrical holding member embedded with columnar diamond 18 may be used.
  • a plurality of linear and convex holding members 25 are provided in the circumferential direction so as to extend in the normal direction at positions away from the rotation center of the correction tool 10.
  • Each holding member 25 is embedded and held with columnar diamonds 18 or a plurality of columnar diamonds 18 are embedded and held in a cup-shaped holding member 26 as shown in Fig. 4B. It may be a thing etc., and there can exist an effect similar to the above.
  • FIGS. 5A to 6B are explanatory views showing the relationship between the inner diameter of the end surface truer and the grinding wheel width of the grinding wheel in a correction tool of a further different form.
  • FIG. 6A and FIG. 6B are explanatory views showing a method for crushing a grinding wheel equipped with an R portion.
  • the correction tool 30 has substantially the same form as the correction tool 10 shown in FIG. 4B. It is composed of a cup-shaped end surface tour 3 2.
  • the correction tool 30 is a peripheral surface trough 31 and an end surface trough 3 2 force diamond tour.
  • FIG. 5A to FIG. 6B for convenience, only the end face truer 32 is shown in cross section.
  • the inner diameter B of the end surface truer 32 is larger than the grinding wheel width TW of the grinding wheel T as shown in the figure.
  • the inner diameter B of the end face truer 3 2 is preferably in a range satisfying T W ⁇ B and 1.2 T W to 3 T W.
  • the correction tool 30 may be a tool in which a columnar diamond is held on the end face truer 32 as in the case shown in FIG. 4B.
  • This correction tool 30 is, for example, a vine of the grinding machine 1 shown in FIG. — Used in place of the correction tool 10 attached to the inching device 1 1. Note that the end surface clawing of the grinding wheel T is the same as the clawing by the correction tool 10 described above, and a description thereof will be omitted here.
  • both end sides of the end surface truer 3 2 with the rotation axis of the correction tool 30 are sandwiched by the grinding wheel T. It becomes a contact part which can contact with a surrounding surface. Since the movement directions of the contact portions of the end surface truer 32 are opposite to each other across the rotation shaft, the rotation of the grinding wheel T moves in the same direction as the contact portion of the grinding wheel T moves. Use the contact part of end face truer 3 2 to crush the peripheral surface of grinding wheel T.
  • the contact portion of the grinding wheel T is rotated so as to move upward on the paper surface, and the correction tool 30 provided with the end surface tour 32 is turned on the paper surface.
  • the contact portion on the right side of the end face truer 3 2 is the same as the direction of movement of the grinding wheel T, so the left side contact portion of the end face truer 3 2 is the circumferential surface of the grinding wheel T.
  • the grinding wheel base 3 and the work table 5 are appropriately moved so as not to come into contact with the wheel, and the peripheral surface of the grinding wheel T is trued at the contact portion on the right side of the end face tool 32.
  • the grinding wheel T is moved to the end face truer by the circumferential truing of the grinding wheel T. Even if the wheel moves to the inside of 2, the peripheral surface of the grinding wheel T does not come into contact with the contact portion on the left side of the end surface tour 32. Also, the CNC controller 20 controls the relative movement of the grinding wheel T and the end surface pulley 3 2 so that the contact portion on the left side, that is, the opposite side of the end surface pulley 3 2 does not contact the peripheral surface of the grinding wheel T. It has become.
  • FIGS. 6A and 6B when an R portion 33 as a chamfered portion is formed between the end face and the peripheral surface of the grinding wheel T, the left side R in the drawing of the grinding wheel T is shown.
  • the part 33 is brought into contact with the right side contact portion of the end surface truer 32, and the tool is attached (see FIG. 6A).
  • the direction of movement of the contact portion on the left side of the end face tool 3 2 is changed by reversing the rotation direction of the end face tool 3 2 (correcting tool 30).
  • Set the same direction as the moving direction of the contact part of the grinding wheel T, and contact the contact part on the left side of the end face tool 32 to make it a tool see Fig. 6B).
  • the grinding wheel base 3 and the work table 5 are appropriately moved by controlling the X-axis driving device 4 and the Z-axis driving device 9 by the CNC control device 20.
  • the desired R shape is achieved.
  • the inner diameter B of the end face tool 32 is made larger than the grinding wheel width TW of the grinding wheel, and the end face tooling is performed.
  • the contact part on the opposite side of the end surface tooler 3 2 is not in contact with the grinding wheel T. It is possible to prevent a large change, and to grind the grinding wheel T to the optimum state.
  • the relative movement direction of the contact portion between the grinding wheel T and the end surface truer 3 2 is the same in the left and right directions. Since the truing conditions are not changed in the R section 33 of the wheel, the R section 33 of the grinding wheel T can be crushed in a good condition.
  • the present invention is not limited to this embodiment, and as described below, it does not depart from the gist of the present invention.
  • Various improvements and design changes are possible. That is, in the present embodiment, the end surface truer 16 of the correction tool 10 is provided with the columnar diamond 18, but the present invention is not limited to this, and diamond abrasive grains similar to the peripheral surface truer 15 are used. It may be used. Further, columnar diamond may be embedded in the peripheral surface tour 15. Also by these, the same operational effects as described above can be obtained.
  • the present invention is applied to the grinding machine 1 that grinds the cylinder.
  • the present invention is not limited to this.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding-Machine Dressing And Accessory Apparatuses (AREA)

Abstract

La présente invention concerne un dispositif de rectification de meule comprenant un outil de rectification à support rotatif et corrigeant la meule tournant avec l’outil de rectification. Ce dernier comprend un rectifieur de surface périphérique dont la surface périphérique rotative est formée comme surface du rectificateur, et un rectificateur d’extrémité dont la surface d’extrémité axiale rotative est formée comme surface du rectificateur. L’axe de rotation de l’outil de correction est placé approximativement de manière perpendiculaire à l’axe de rotation de la meule afin que l’extrémité de cette dernière soit corrigée par le rectificateur de surface périphérique et que la surface correspondante de la meule soit corrigée par le rectificateur d’extrémité.
PCT/JP2006/326378 2005-12-28 2006-12-27 Dispositif et procede de rectification de meule WO2007077964A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US12/159,534 US20090280726A1 (en) 2005-12-28 2006-12-27 Truing device and truing method for grinding wheel
EP06843748.2A EP1974860A4 (fr) 2005-12-28 2006-12-27 Dispositif et procede de rectification de meule

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2005376981 2005-12-28
JP2005-376981 2005-12-28
JP2006-336595 2006-12-14
JP2006336595A JP5018058B2 (ja) 2005-12-28 2006-12-14 砥石車のツルーイング装置及びツルーイング方法

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WO2007077964A1 true WO2007077964A1 (fr) 2007-07-12

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EP (1) EP1974860A4 (fr)
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WO (1) WO2007077964A1 (fr)

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JP5510779B2 (ja) * 2009-06-15 2014-06-04 Ｎｔｎ株式会社 研削装置
DE202009018978U1 (de) * 2009-09-12 2015-02-06 Saint-Gobain Diamantwerkzeuge Gmbh Vorrichtung zum Abrichten von Schleifscheiben
JP5991728B2 (ja) * 2011-09-30 2016-09-14 Hoya株式会社 磁気ディスク用ガラス基板の製造方法及び磁気ディスクの製造方法
US9254549B2 (en) * 2013-05-07 2016-02-09 Jtekt Corporation Grinding machine
CN103894930B (zh) * 2014-04-18 2016-04-20 环球石材（福建）有限公司 一种磨轮的成型及修磨专用设备
JP6938853B2 (ja) * 2016-04-28 2021-09-22 株式会社ジェイテクト 研削盤
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US20090280726A1 (en) 2009-11-12

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