CN112045567A - Device and method for dressing multi-column annular groove profile grinding wheel - Google Patents
Device and method for dressing multi-column annular groove profile grinding wheel Download PDFInfo
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- CN112045567A CN112045567A CN202010704214.2A CN202010704214A CN112045567A CN 112045567 A CN112045567 A CN 112045567A CN 202010704214 A CN202010704214 A CN 202010704214A CN 112045567 A CN112045567 A CN 112045567A
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- main shaft
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- 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
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
- B24B53/08—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels controlled by information means, e.g. patterns, templets, punched tapes or the like
- B24B53/081—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels controlled by information means, e.g. patterns, templets, punched tapes or the like by means of a template
- B24B53/082—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels controlled by information means, e.g. patterns, templets, punched tapes or the like by means of a template for tools having a screw-thread profile
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- 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
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
- B24B53/08—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels controlled by information means, e.g. patterns, templets, punched tapes or the like
- B24B53/085—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels controlled by information means, e.g. patterns, templets, punched tapes or the like for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms
Abstract
A device and a trimming method for trimming a multi-row annular profile grinding wheel are disclosed, wherein an input main shaft of the device is provided with an input gear, and a transmission gear is arranged on a transmission main shaft; the input main shaft and the transmission main shaft are supported on the frame through a support bearing, and the input gear and the transmission gear are in meshing transmission through a gear; the cam is fixed on the transmission main shaft; the radial guide rail is fixed on a slide rail support, the slide rail support is fixed on the rack, the slide block is positioned at the center of the radial guide rail and can axially slide along the radial guide rail, one end of the slide block is connected with the transmission bearing, and the other end of the slide block is provided with a trimming cutter and a return spring; the slider is in contact with the cam through a drive bearing. When different ring groove shapes are finished, the ring grooves with various profile shapes and different intervals can be finished only by replacing the cam and properly controlling the linkage speed ratio of the C shaft of the machine tool and the workbench. The method does not need to be provided with shaping software, can be quickly adjusted, and is suitable for shaping various annular groove profile grinding wheels.
Description
Technical Field
The invention relates to a device and a method for dressing a multi-column annular groove profile grinding wheel, belonging to the field of mechanical manufacturing.
Background
The abrasion of the formed grinding wheel directly influences the production efficiency of grinding and processing and the processing quality of workpieces, and the grinding wheel must be continuously and precisely trimmed by a grinding wheel trimming mechanism in the grinding process to remove passivated abrasive particles and ensure that new abrasive particles have enough effective cutting edges, so that the formed grinding wheel recovers the original high-precision geometric outline shape.
The thread grinding belongs to the category of forming grinding, and grinding is usually carried out by trimming a grinding wheel into a single-row annular groove shape or a multi-row annular groove shape, and the grinding wheel needs to be changed according to the number of thread heads, a helix angle and a thread profile. The prior ring groove grinding wheel dressing technology for thread grinding mainly comprises three types: 1) trimming and forming the grinding wheel by using a numerical control interpolation method; 2) using a forming diamond roller to dress the grinding wheel; 3) and (5) utilizing a trimming mechanism to perform trimming. The first method has wide universality and can ensure higher dressing precision, but has very high requirements on electrical and mechanical properties, particularly for small-pitch threads, the dressing diamond disk wheel has high precision and is easy to wear, and dressing software needs to be configured. The second method has high requirements on the forming diamond roller, is not suitable for forming a large-size curved surface, but is difficult to manufacture a small-size curved surface, and one profile needs to correspond to the diamond roller; the third method needs a complex trimming mechanism, and can only perform trimming on simple shapes, the existing trimming mechanism generally only corresponds to a single-row ring groove, and generally, one trimming mechanism can only correspond to one trimming profile, so that the adaptability is poor.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the device and the method for trimming the multi-row annular groove profile grinding wheel overcome the defects of the prior art, do not need to be provided with trimming software, can be quickly adjusted, and are suitable for trimming various annular groove profile grinding wheels.
The technical solution of the invention is as follows:
a device for dressing a multi-row annular-groove-shaped profile grinding wheel comprises a rack, an input main shaft, an input gear, a transmission main shaft, a cam, a radial guide rail, a sliding block, a dressing tool, a sliding rail support, a cylindrical pin, a return spring, a spring pressing plate, a transmission bearing and a support bearing;
an input gear is arranged on the input main shaft, and a transmission gear is arranged on the transmission main shaft; two ends of the input main shaft are supported on the rack through supporting bearings, two ends of the transmission main shaft are supported on the rack through the supporting bearings, and the input gear and the transmission gear are in meshing transmission through gears; the cam is fixed on the transmission main shaft through a flat key or a spline;
the radial guide rail is fixed on a slide rail support through a bolt, the slide rail support is fixed on a rack through a bolt, a slide block is positioned at the central position of the radial guide rail and can axially slide along the radial guide rail, one end of the slide block is connected with a transmission bearing through a cylindrical pin, the other end of the slide block is provided with a finishing tool and a reset spring, the reset spring is sleeved on the finishing tool, and the spring is locked through a bolt between a spring pressing plate and the rack to provide a rebound force; the input main shaft, the transmission main shaft and the axis of the sliding block are positioned on the same height plane, and the sliding block is contacted with the cam through the transmission bearing.
The support bearing comprises a first bearing, a second bearing, a third bearing and a fourth bearing;
one end of the input main shaft is supported on the rack through a first bearing and the other end of the input main shaft is supported on the rack through a second bearing, the first bearing is installed in a first bearing seat, the first bearing seat is fixed on the rack and connected with a first bearing cover through a screw, and the first bearing is limited to move left and right through a shaft shoulder of the input main shaft, the first bearing seat and the first bearing cover;
the transmission main shaft is supported on the frame through a third bearing and a fourth bearing, the third bearing is installed in a second bearing seat, the second bearing seat is connected with a second bearing cover through a screw, and the left and right movement of the third bearing is limited through a shaft shoulder of the transmission main shaft, the second bearing seat and the second bearing cover;
the left side of the cam presses the inner ring of the third bearing to prevent the inner ring of the third bearing from moving left and right.
The first bearing inner ring and the input main shaft are locked through a first nut and used for limiting the first bearing inner ring to move left and right.
And the transmission main shaft and the cam are locked through a second nut and used for limiting the axial relative movement of the transmission main shaft and the cam.
The input main shaft is provided with an input gear, and the following two realization modes are provided:
1) the input main shaft and the input gear are designed integrally;
2) the input main shaft and the input gear are designed in a split mode, and the input gear is fixed on the input main shaft through a spline.
The transmission main shaft is provided with a transmission gear, and the transmission gear has the following two realization modes:
1) the transmission main shaft and the transmission gear are integrally designed;
2) the transmission main shaft and the transmission gear are designed in a split mode, and the transmission gear is fixed on the transmission main shaft through a spline.
And a V-shaped groove is formed in the radial guide rail, and the sliding block axially slides along the V-shaped groove through a roller or a ball.
The shape of the cam is designed according to the tooth profile shape of the grinding wheel to be modified, and when the tooth profile shape of the grinding wheel to be modified is changed, only the cam needs to be changed.
A dressing method of a device for dressing a plurality of rows of annular groove profile grinding wheels comprises the following steps:
the first step is as follows: fixing the finishing device on a workbench of a thread grinder, and fixedly connecting an input main shaft with a machine tool headstock through a coupler or a clamping jaw;
the second step is that: setting the movement speeds of a C shaft and a Z shaft of a workbench of a machine tool headstock, wherein the C shaft rotates to drive an input main shaft and an input gear to rotate, a transmission main shaft is driven to rotate through a transmission gear, the transmission main shaft further drives a cam to rotate, the cam rotates to enable a slide block to generate X-axis forward motion, and the left profile trimming of the profile of the grinding wheel to be trimmed is realized by matching with the translation speed v of the Z shaft of the workbench; under the reaction of the return spring, the slide block moves in the X-axis negative direction, and the right profile of the grinding wheel to be modified is modified by matching with the translation speed v of the Z axis of the workbench.
Machine headThe rotation of the C shaft of the frame drives the rotation of the input spindle, and the rotation rate of the input spindle is set to be n0(r/min), if the transmission ratio of the input gear to the transmission gear is i, the base circle of the cam is rho0(mm), when the thread pitch of the grinding wheel profile is p (mm), the equation of the radial position x corresponding to the z position of the grinding wheel single-row annular groove profile to be modified in the grinding wheel coordinate system is expressed as:
the cam profile radius expression for a single row of ring grooves is:
wherein j represents the number of grinding wheel ring grooves and is a natural number different from 0; theta represents the cam rotation angle corresponding to the movement of the workbench in the Z-axis direction by a certain distance; ρ represents a cam profile radius value corresponding to the cam at the θ angular position.
Compared with the prior art, the invention has the following technical effects:
(1) the invention skillfully uses the lead of the machine tool workbench and the lift of the finishing tool, realizes the mechanical two-axis interpolation, finishes the complex thread profile and has very high efficiency.
(2) When different ring groove shapes are trimmed, the invention can properly control the linkage speed ratio of the C shaft of the machine tool and the workbench by replacing the cam, and can realize the trimming of ring grooves with various profile shapes and different intervals. The method does not need to be provided with shaping software, can be quickly adjusted, and is suitable for shaping various annular groove profile grinding wheels.
(3) The device of the invention has no limit to the number of the ring grooves, and realizes the dressing of the grinding wheel with single ring grooves and a plurality of rows of ring grooves by replacing the cam.
Drawings
FIG. 1 is a schematic diagram of a trimming apparatus;
FIG. 2 is a schematic diagram of the operation of the trimming device;
FIG. 3 is a cross-sectional view of the trimming device;
fig. 4 is a view B-B of fig. 3.
Detailed Description
As shown in fig. 1, 3 and 4, the device for dressing a plurality of rows of annular groove profile grinding wheels according to the present invention includes a frame 21, an input main shaft 1, an input gear 2, a transmission gear 3, a transmission main shaft 4, a cam 5, a radial guide 6, a slider 7, a dressing tool 8, a first bearing 23, a second bearing 29, a third bearing 24, a fourth bearing 32, a transmission bearing 27, a first nut 22, a second nut 26, a slide rail support 36, a cylindrical pin 35, a return spring 28 and a spring pressing plate 37, and the device for dressing a plurality of rows of annular groove profile grinding wheels is driven in a serial manner.
An input gear 2 is arranged on the input main shaft 1, and a transmission gear 3 is arranged on the transmission main shaft 4; the input main shaft 1 is supported on the frame 21 through a first bearing 23 and a second bearing 29, the first bearing 23 is installed in a first bearing seat 30, the first bearing seat 30 is fixed on the frame 21, the first bearing seat 30 is connected with a first bearing cover 31 through a screw, and the first bearing 23 is limited to move left and right through a shaft shoulder of the input main shaft 1, the first bearing seat 30 and the first bearing cover 31; the inner ring of the first bearing 23 and the input main shaft 1 are locked by the first nut 22 and used for limiting the left and right movement of the inner ring of the first bearing 23. The transmission main shaft 4 is supported on the frame 21 through a third bearing 24 and a fourth bearing 32, the third bearing 24 is installed in a second bearing seat 33, the second bearing seat 33 is connected with a second bearing cover 34 through a screw, and the left and right movement of the third bearing 24 is limited through a shaft shoulder of the transmission main shaft 4, the second bearing seat 33 and the second bearing cover 34; the input gear 2 and the transmission gear 3 are in meshing transmission through gears; the cam 5 is fixed on the transmission main shaft 4, radial positioning is realized through a flat key 25 or a spline, and the transmission main shaft 4 and the cam 5 are locked through a second nut 26 and used for limiting the axial relative movement of the transmission main shaft 4 and the cam 5. The left side of the cam 5 presses the inner race of the third bearing 24, preventing the inner race of the third bearing 24 from moving left and right.
The radial guide rail 6 is fixed on a slide rail support 36 through a bolt, the slide rail support 36 is fixed on the rack 21 through a bolt, the slide block 7 is positioned at the central position of the radial guide rail 6 and can reciprocate along the radial guide rail 6 in the X-axis direction, one end of the slide block 7 is connected with the transmission bearing 27 through the cylindrical pin 35, the other end of the slide block 7 is provided with the dressing tool 8 and the return spring 28, the return spring 28 is sleeved on the dressing tool 8, and the spring 28 is locked with the bolt of the rack 21 through the spring pressing plate 37 to provide rebound force; the axes of the input main shaft 1, the transmission main shaft 4 and the slide block 7 are positioned on the same height plane, and the slide block 7 is contacted with the cam 5 through a transmission bearing 27.
The shape of the cam 5 is designed according to the tooth profile shape of the grinding wheel to be repaired, and when the tooth profile shape of the grinding wheel to be repaired is changed, only the cam 5 needs to be changed, so that the grinding wheel is convenient and fast to change.
The shape of the cam can be modified for a single annular groove profile grinding wheel besides the shape of a plurality of rows of annular groove profile grinding wheels.
The input main shaft 1 is provided with an input gear 2 which has the following two realization modes:
1) the input main shaft 1 and the input gear 2 are designed integrally;
2) the input main shaft 1 and the input gear 2 are designed in a split mode, and the input gear 2 is fixed on the input main shaft 1 through a spline.
The transmission main shaft 4 is provided with the transmission gear 3, and the following two realization modes are provided:
1) the transmission main shaft 4 and the transmission gear 3 are integrally designed;
2) the transmission main shaft 4 and the transmission gear 3 are designed in a split mode, and the transmission gear 3 is fixed on the transmission main shaft 4 through a spline.
The radial guide rail 6 is provided with a V-shaped groove, and the sliding block 7 axially slides along the V-shaped groove through a roller or a ball.
As shown in fig. 2, the dressing method of the dressing apparatus of the present invention comprises the steps of:
the first step is as follows: fixing a finishing device 13 on a workbench 11 of a thread grinder, and fixedly connecting an input main shaft 1 of the finishing device 13 with a machine tool headstock 12 through a coupler or a clamping jaw by locking a screw;
the second step is that: setting the movement speeds of a C axis and a Z axis of a machine tool headstock, wherein the C axis rotates to drive an input main shaft 1 and an input gear 2 to rotate, a transmission main shaft 4 is driven to rotate through a transmission gear 3, the transmission main shaft 4 further drives a cam 5 to rotate, the cam 5 rotates to enable a slide block 7 to generate X-axis forward motion, and the left profile trimming of the profile of the grinding wheel to be trimmed is realized by matching with the translation speed v (mm/min) of the Z axis of a workbench attached to the machine tool headstock; under the reaction of the return spring 28, the slide block 7 moves in the negative direction of the X axis, and the right profile of the grinding wheel to be modified is modified by matching with the translation speed v of the Z axis of the workbench to which the machine tool headstock is attached.
The C axis of the machine head frame rotates to drive the input spindle to rotate, and the rotation rate of the input spindle is set to be n0(r/min), if the transmission ratio of the input gear to the transmission gear is i, the radius of the base circle of the cam is rho0(mm), when the thread pitch of the grinding wheel profile is p (mm), the radial position x of the grinding wheel single-row annular groove profile to be modified in the grinding wheel coordinate at the z position is as follows:
the cam profile radius expression for a single row of ring grooves is:
wherein j represents the number of grinding wheel ring grooves and can be natural numbers such as 1, 2 and the like; theta represents a cam rotation angle corresponding to the movement of the workbench in the Z-axis direction by a certain distance; ρ represents a cam radius value corresponding to the cam at the θ angular position.
The method can be conveniently suitable for dressing grinding wheels with various profiles, can be used for solving the limitation of a common thread grinding machine on dressing non-standard thread profile grinding wheels, can be used for conveniently expanding the type of grindable threads of the thread grinding machine, and can be suitable for dressing profile grinding wheels with profiles of trapezoid, triangle, arc and the like. At present, the internal and external grinding machines can also grind threads, and the device can also be used as an accessory for the thread grinding function of the internal and external grinding machines.
The invention is not described in detail and is within the knowledge of a person skilled in the art.
Claims (10)
1. A device for dressing multi-row annular groove profile grinding wheels is characterized in that: the device comprises a rack (21), an input main shaft (1), an input gear (2), a transmission gear (3), a transmission main shaft (4), a cam (5), a radial guide rail (6), a sliding block (7), a finishing tool (8), a sliding rail support (36), a cylindrical pin (35), a return spring (28), a spring pressing plate (37), a transmission bearing (27) and a support bearing;
an input gear (2) is arranged on the input main shaft (1), and a transmission gear (3) is arranged on the transmission main shaft (4); two ends of the input main shaft (1) are supported on the rack (21) through supporting bearings, two ends of the transmission main shaft (4) are supported on the rack (21) through supporting bearings, and the input gear (2) and the transmission gear (3) are in meshing transmission through gears; the cam (5) is fixed on the transmission main shaft (4) through a flat key or a spline;
the radial guide rail (6) is fixed on a slide rail support (36) through a bolt, the slide rail support (36) is fixed on a rack (21) through a bolt, a sliding block (7) is located at the center of the radial guide rail (6) and can axially slide along the radial guide rail (6), one end of the sliding block (7) is connected with a transmission bearing (27) through a cylindrical pin (35), a trimming cutter (8) and a return spring (28) are installed at the other end of the sliding block (7), the return spring (28) is sleeved on the trimming cutter (8), and the spring (28) is locked through a bolt between a spring pressing plate (37) and the rack (21) to provide rebound force; the axes of the input main shaft (1), the transmission main shaft (4) and the sliding block (7) are positioned on the same height plane, and the sliding block (7) is contacted with the cam (5) through the transmission bearing (27).
2. The apparatus of claim 1 for dressing a plurality of rows of annular groove profile grinding wheels, wherein: the support bearing comprises a first bearing (23), a second bearing (29), a third bearing (24) and a fourth bearing (32);
one end of the input main shaft (1) is supported on the rack (21) through a first bearing (23) and the other end of the input main shaft is supported on a second bearing (29), the first bearing (23) is installed in a first bearing seat (30), the first bearing seat (30) is fixed on the rack (21), the first bearing seat (30) is connected with a first bearing cover (31) through a screw, and the first bearing (23) is limited to move left and right through a shaft shoulder of the input main shaft (1), the first bearing seat (30) and the first bearing cover (31);
the transmission main shaft (4) is supported on the frame (21) through a third bearing (24) and a fourth bearing (32), the third bearing (24) is installed in a second bearing seat (33), the second bearing seat (33) is connected with a second bearing cover (34) through a screw, and the third bearing (24) is limited to move left and right through a shaft shoulder of the transmission main shaft (4), the second bearing seat (33) and the second bearing cover (34);
the left side of the cam (5) presses the inner ring of the third bearing (24) to prevent the inner ring of the third bearing (24) from moving left and right.
3. The apparatus of claim 2 for dressing a plurality of rows of annular groove profile grinding wheels, wherein: the inner ring of the first bearing (23) and the input main shaft (1) are locked through a first nut (22) and used for limiting the inner ring of the first bearing (23) to move left and right.
4. The apparatus of claim 1 for dressing a plurality of rows of annular groove profile grinding wheels, wherein: the transmission main shaft (4) and the cam (5) are locked through a second nut (26) and used for limiting the axial relative movement of the transmission main shaft (4) and the cam (5).
5. The apparatus of claim 1 for dressing a plurality of rows of annular groove profile grinding wheels, wherein: the input main shaft (1) is provided with an input gear (2) which has the following two realization modes:
1) the input main shaft (1) and the input gear (2) are designed integrally;
2) the input main shaft (1) and the input gear (2) are designed in a split mode, and the input gear (2) is fixed on the input main shaft (1) through a spline.
6. The apparatus of claim 1 for dressing a plurality of rows of annular groove profile grinding wheels, wherein: the transmission main shaft (4) is provided with a transmission gear (3) which has the following two realization modes:
1) the transmission main shaft (4) and the transmission gear (3) are integrally designed;
2) the transmission main shaft (4) and the transmission gear (3) are designed in a split mode, and the transmission gear (3) is fixed on the transmission main shaft (4) through a spline.
7. The apparatus of claim 1 for dressing a plurality of rows of annular groove profile grinding wheels, wherein: the radial guide rail (6) is provided with a V-shaped groove, and the sliding block (7) slides along the axial direction of the V-shaped groove through a roller or a ball.
8. The apparatus of claim 1 for dressing a plurality of rows of annular groove profile grinding wheels, wherein: the shape of the cam (5) is designed according to the tooth profile shape of the grinding wheel to be modified, and when the tooth profile shape of the grinding wheel to be modified is changed, only the cam (5) needs to be changed.
9. The dressing method of an apparatus for dressing a plurality of rows of round groove profile grinding wheels according to any one of claims 1 to 8, comprising the steps of:
the first step is as follows: fixing a trimming device (13) on a workbench (11) of a thread grinder, and fixedly connecting an input main shaft (1) with a machine tool headstock (12) through a coupler or a clamping jaw;
the second step is that: setting the movement speeds of a C shaft and a Z shaft of a workbench of a machine tool headstock, wherein the C shaft rotates to drive an input main shaft (1) and an input gear (2) to rotate, a transmission main shaft (4) is driven to rotate through a transmission gear (3), the transmission main shaft (4) further drives a cam (5) to rotate, the cam (5) rotates to enable a slide block (7) to generate X-axis positive movement, and the left profile trimming of the profile of the sand wheel to be trimmed is realized by matching with the translation speed v of the Z shaft of the workbench; under the reaction of a return spring (28), the slide block (7) moves in the X-axis negative direction and is matched with the translation speed v of the Z-axis of the workbench to realize the right profile finishing of the profile of the grinding wheel to be finished.
10. A dressing method according to claim 9, wherein the C-axis rotation of the machine head rotates the input spindle, and the input spindle rotation rate is set to n0(r/min), if the transmission ratio of the input gear to the transmission gear is i, the base circle of the cam is rho0(mm), when the thread pitch of the grinding wheel profile is p (mm), the equation of the radial position x corresponding to the z position of the grinding wheel single-row annular groove profile to be modified in the grinding wheel coordinate system is expressed as:
the cam profile radius expression for a single row of ring grooves is:
wherein j represents the number of grinding wheel ring grooves and is a natural number different from 0; theta represents the cam rotation angle corresponding to the movement of the workbench in the Z-axis direction by a certain distance; ρ represents a cam profile radius value corresponding to the cam at the θ angular position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010704214.2A CN112045567A (en) | 2020-07-21 | 2020-07-21 | Device and method for dressing multi-column annular groove profile grinding wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010704214.2A CN112045567A (en) | 2020-07-21 | 2020-07-21 | Device and method for dressing multi-column annular groove profile grinding wheel |
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| CN112045567A true CN112045567A (en) | 2020-12-08 |
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| CN202010704214.2A Pending CN112045567A (en) | 2020-07-21 | 2020-07-21 | Device and method for dressing multi-column annular groove profile grinding wheel |
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|---|---|---|---|---|
| GB714902A (en) * | 1951-11-10 | 1954-09-01 | Genevoise Instr Physique | Improvements in and relating to a device for truing the grinding wheel of a thread grinding machine |
| DE3722650A1 (en) * | 1987-07-09 | 1989-01-19 | Schaudt Maschinenbau Gmbh | Method and apparatus for positioning a machine element on the workpiece table of a circular grinding machine |
| RU94025310A (en) * | 1994-07-06 | 1996-09-27 | Самарское станкостроительное акционерное общество открытого типа "Солитон" | Device for profile dressing of abrasive disk |
| CN2827638Y (en) * | 2005-07-19 | 2006-10-18 | 潘旭华 | Formed sand wheel dressing device for gear grinding of bevel gear |
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2020
- 2020-07-21 CN CN202010704214.2A patent/CN112045567A/en active Pending
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|---|---|---|---|---|
| GB714902A (en) * | 1951-11-10 | 1954-09-01 | Genevoise Instr Physique | Improvements in and relating to a device for truing the grinding wheel of a thread grinding machine |
| DE3722650A1 (en) * | 1987-07-09 | 1989-01-19 | Schaudt Maschinenbau Gmbh | Method and apparatus for positioning a machine element on the workpiece table of a circular grinding machine |
| RU94025310A (en) * | 1994-07-06 | 1996-09-27 | Самарское станкостроительное акционерное общество открытого типа "Солитон" | Device for profile dressing of abrasive disk |
| CN2827638Y (en) * | 2005-07-19 | 2006-10-18 | 潘旭华 | Formed sand wheel dressing device for gear grinding of bevel gear |
| CN102379650A (en) * | 2011-06-08 | 2012-03-21 | 张伟 | Novel back rubbing massager |
| CN104444333A (en) * | 2014-11-13 | 2015-03-25 | 苏州经贸职业技术学院 | Motor cam type push rod mechanism |
| CN104827403A (en) * | 2014-11-19 | 2015-08-12 | 襄阳振本传动设备有限公司 | Profiling grinding wheel dresser with rolling top |
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| 严伟麟: "多线砂轮磨削螺纹时的砂轮修整", 《新技术新工艺》 * |
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Application publication date: 20201208 |