CN105150104A - Device and method for finishing centreless grinding wheels - Google Patents
Device and method for finishing centreless grinding wheels Download PDFInfo
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- CN105150104A CN105150104A CN201510544252.5A CN201510544252A CN105150104A CN 105150104 A CN105150104 A CN 105150104A CN 201510544252 A CN201510544252 A CN 201510544252A CN 105150104 A CN105150104 A CN 105150104A
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- 238000000227 grinding Methods 0.000 title claims abstract description 250
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000009966 trimming Methods 0.000 claims description 189
- 230000008439 repair process Effects 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 14
- 230000008569 process Effects 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 7
- 229910003460 diamond Inorganic materials 0.000 description 48
- 239000010432 diamond Substances 0.000 description 48
- 238000009434 installation Methods 0.000 description 30
- 230000033001 locomotion Effects 0.000 description 11
- 230000008859 change Effects 0.000 description 5
- 239000003082 abrasive agent Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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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
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- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention discloses a device and a method for finishing centreless grinding wheels and belongs to a device and a method for finishing surfaces of formed grinding wheels. The device is used for finishing centreless grinding wheels; the method is used for finishing by using the device. According to the technical scheme adopted by the device, a fixed finishing tool or a rotary finishing tool is mounted by a fixed finishing device and a lifting type finishing device which are mounted on an X-axis sliding table and work respectively, wherein a rotary driving mechanism is used for driving the rotary finishing tool to rotate; a lifting mechanism is used for driving a lifting type finishing tool mounting part hinged to the X-axis sliding table to swing. By virtue of the technical scheme adopted by the device, the technical problem that one set of finishing tool cannot meet the requirement of finishing the centreless grinding wheels with complex shapes in the prior art can be solved. According to the technical scheme adopted by the method, the finishing tool mounted by the fixed finishing device is used for quickly and strongly finishing and/or the finishing tool mounted by the lifting type finishing device is used for accurately finishing at a low speed; by virtue of the technical scheme adopted by the method, the problem of operation of finishing the grinding wheels with complex shapes by using the device can be solved.
Description
Technical field
The invention belongs to the apparatus and method being modified to abrasive wheel surface, is a kind of centreless grinding wheel trimming device and method concretely.
Background technology
The abrasive grinding wheel of centerless grinding is the revolving body of High Rotation Speed, and its surface configuration determines centerless grinding processing work surface configuration, and its surface quality determines centerless grinding workpiece surface quality.In centerless grinding, the surfaces of grinding wheels shape of roasting and surface quality can not meet grinding requirement, have to pass through finishing and make the surface configuration of abrasive grinding wheel and surface quality meet grinding requirement.First need to carry out rapid strong finishing after changing abrasive grinding wheel, to reach the object of Quick-forming, through the abrasive grinding wheel of rapid strong finishing, also need by low speed precise dressing, to reach the requirement to surfaces of grinding wheels shape and surface quality; Abrasive grinding wheel is in grinding, can wear and tear and passivation in the surface of small abrasive material, part abrasive material can come off from wheel face, the surface configuration of abrasive grinding wheel and surface quality is caused to change, therefore, also need to carry out low speed precise dressing, make the surface of small abrasive material keep sharp keen, recover surfaces of grinding wheels shape and surface quality.Chinese utility model patent, Authorization Notice No. CN204339561U " centerless grinder wheel dresser " discloses a kind of trimming device slide plate top and arranges the trimming device seat of honour, seat under slide plate is set bottom trimming device slide plate, in the trimming device seat of honour, plugs the technical scheme of the centerless grinder wheel dresser of diamond holder.Centerless grinder wheel dresser disclosed in above-mentioned patent is the same with existing centerless grinder wheel dresser, all only fixedly mounted a set of dresser, and a set of dressing tool, rapid strong finishing cannot be completed, low speed precise dressing can be completed again, its result or be that dressing efficiency is low, or be that dressing accuracy is low.And to having surfaces of complex shape, such as, there is the surface of the shapes such as straight line, curve, circular arc simultaneously, centreless grinding wheel, existing centreless grinding wheel trimming device cannot meet finishing requirement.Different dressing tool positioning datums is different, frequent replacing, installation dressing tool, reduce production efficiency, also easily damage dressing tool, therefore, unless dresser reaches service life in existing centreless grinding wheel trimming device, generally do not go to change, cause the precision of processing work and efficiency to be all difficult to ensure.Abrasive material is a kind of stone material, although dressing tool adopts superhard material, but through repeatedly repairing, particularly rapid strong finishing, dresser wear is still more serious, therefore need often to repair dressing tool, to in the dressing process of dressing tool, dressing tool produces wearing and tearing, loss, so use a set of dressing tool both to carry out rapid strong finishing, carry out low speed precise dressing again, all lose more than gain at dressing accuracy and economic aspect.
Summary of the invention
The present invention will solve existing centerless grinder and only install a set of dressing tool, cannot complete rapid strong finishing, can complete low speed precise dressing again; The finishing requirement of the centreless grinding wheel with surfaces of complex shape cannot be met; Frequent replacing, installation dressing tool, affect production efficiency and the easy technical problem damaging dressing tool, one is provided both to be suitable for rapid strong finishing, be suitable for again low speed precise dressing, can repair the centreless grinding wheel of surfaces of complex shape, the centreless grinding wheel trimming device of economic, efficient and low consumption, and use this wheel dresser easy and simple to handle, be connected smooth and that dressing accuracy is high centreless grinding wheel method for trimming.
In order to solve above-mentioned technical problem, the technical scheme that the present invention takes is: centreless grinding wheel trimming device, comprise the Y-axis slide unit being arranged on centerless grinder substrates, be arranged on the X-axis slide unit above Y-axis slide unit, trimming device drives power drive Y-axis slide unit along moving with the Y-axis of the axis being parallel of abrasive grinding wheel, trimming device drives power drive X-axis slide unit to move along the X axis vertical with Y-axis, X-axis slide unit is installed fixed trimming device and lifts formula trimming device two and overlap trimming device, the dressing tool that fixed trimming device is installed is fixing dressing tool or rotating trim instrument, the dressing tool lifting the installation of formula trimming device is rotating trim instrument or fixing dressing tool, rotary drive mechanism drives rotating trim instrument to rotate around Y-axis, the dressing tool installing component of lifting lifting formula trimming device is hinged on X-axis slide unit, the Dao Tai mechanism of lifting formula trimming device drives lifts dressing tool installing component around hinged bearing pin axis oscillating, lift dressing tool installing component when lifting, lift the grinding degree of depth that distance rapid strong that dressing tool that formula trimming device installs and the distance of abrasive grinding wheel be greater than dressing tool that fixed trimming device installs and abrasive grinding wheel is repaired, lift dressing tool installing component when falling down, the distance of the dressing tool that fixed trimming device is installed and abrasive grinding wheel is greater than the grinding degree of depth of the distance low speed precise dressing lifting dressing tool that formula trimming device installs and abrasive grinding wheel, trimming device drives power, the driving power of rotary drive mechanism and the driving power connection control system of Dao Tai mechanism.
Be Y-axis with the direction of the axis being parallel of abrasive grinding wheel in the present invention, the direction vertical with Y-axis is X axis, the plane orthogonal that Z-axis direction forms with X axis and Y-axis.The Y-axis slide unit that the X-axis slide unit that independently moving followed by dressing tool moved in X axis direction or follow independently moving moves in Y-axis direction or follows the X-axis slide unit that simultaneously moves and Y-axis slide unit and does compound and move.Axis not change in Z-axis direction of the dressing tool that fixed trimming device is installed, the dressing tool lifting the installation of formula trimming device is arranged on to be lifted on dressing tool installing component, and the axis lifting the dressing tool that formula trimming device is installed swings along with the swing of lifting dressing tool installing component.A rapid strong finishing refers to that the dressing tool that fixed trimming device is installed has carried out a grinding to surfaces of grinding wheels, when the grinding degree of depth of a rapid strong finishing refers to a rapid strong finishing, dressing tool gos deep into the degree of depth of surfaces of grinding wheels; A low speed precise dressing refers to that the dressing tool lifting the installation of formula trimming device has carried out a grinding to surfaces of grinding wheels, when the grinding degree of depth of a low speed precise dressing refers to a low speed precise dressing, dressing tool gos deep into the degree of depth of surfaces of grinding wheels.Usually, the grinding degree of depth of rapid strong finishing is much larger than the grinding degree of depth of a low speed precise dressing.When abrasive grinding wheel carries out rapid strong finishing, the dressing tool contact abrasive grinding wheel that fixed trimming device is installed, lifts the dressing tool disengaging abrasive grinding wheel that formula trimming device is installed; When abrasive grinding wheel carries out low speed precise dressing, the dressing tool that fixed trimming device is installed departs from abrasive grinding wheel, lifts the dressing tool contact abrasive grinding wheel that formula trimming device is installed; Fixed trimming device and the formula trimming device of lifting work respectively, can not repair abrasive grinding wheel simultaneously.Having many structures to realize trimming device in prior art drives power drive Y-axis slide unit move along Y-axis and drive X-axis slide unit along X-motion, and such as motor-driven wheel and rack coordinates etc.Having many structures to realize rotary drive mechanism in prior art drives rotating trim instrument to rotate around Y-axis, and such as motor is by gear drive etc.The driving power drive having many structures to realize Dao Tai mechanism in prior art lifts dressing tool installing component around bearing pin axis oscillating, such as motor connect driven wheel with lift hard-wired gears meshing etc. on dressing tool installing component.The dressing tool that fixed trimming device is installed, such as diamond tool and diamond strips etc., complete and repair to the larger stock removal of abrasive grinding wheel with compared with the rapid strong of large inflow; Lift the dressing tool that formula trimming device is installed, such as diamond pen and diamond roller etc., complete the low speed precise dressing to the less stock removal of abrasive grinding wheel and the less amount of feeding.Two cover trimming device collocation use, can repair the centreless grinding wheel of surfaces of complex shape, extend finishing mode and the scope of less grinder for grinding emery wheel, avoid frequent replacing, dressing tool is installed, affect production efficiency and easily damage the phenomenon of dressing tool, there is the advantage of economy, efficient, low consumption.Control system controls X-axis slide unit, Y-axis slide unit, the dressing tool of fixed trimming device installation, the dressing tool lifting the installation of formula trimming device and abrasive grinding wheel co-ordination.
When lifting the dressing tool work that formula trimming device installs, lift the axis of dressing tool that formula trimming device installs, the axis of dressing tool that fixed trimming device is installed and the axis of abrasive grinding wheel be in same plane.
The fixing dressing tool that fixed trimming device is installed is fixed on fixed trimming device and fixes on dressing tool mount pad, and in the face of abrasive grinding wheel, the axes normal of its axis and abrasive grinding wheel, both are in same plane.Lift dressing tool installing component and be in the state be lifted, under X-axis slide unit, Y-axis slide unit drive, the fixing dressing tool that fixed trimming device is installed carries out rapid strong finishing to abrasive grinding wheel.
The rotating trim instrument that fixed trimming device is installed is arranged in the notch of fixed trimming device rotating trim tool-mount channel, notch opening faces toward abrasive grinding wheel, the axis of rotating trim instrument that fixed trimming device is installed and the axis being parallel of abrasive grinding wheel.Lift dressing tool installing component and be in the state be lifted, under X-axis slide unit, Y-axis slide unit drive, the rotating trim instrument that fixed trimming device is installed carries out rapid strong finishing to abrasive grinding wheel.
The fixing dressing tool lifting the installation of formula trimming device is fixedly mounted on formula of the lifting trimming device lifting dressing tool installing component and fixes on dressing tool mount pad, lift the fixing dressing tool of formula trimming device installation in the face of abrasive grinding wheel, lift dressing tool installing component near the bottom of the side of abrasive grinding wheel and X-axis slide unit hinged, adjustable locating piece installed by the X-axis slide unit below this side; The drive rod of Dao Tai mechanism promotes wedge-like pushing block, the one side of wedge-like pushing block with lift dressing tool installing component bottom face inclined-plane and coordinate, another side and the X-axis slide unit of wedge-like pushing block are slidably matched, and the inclined-plane opening near the opposite side lifting dressing tool installing component is large; The center of gravity deflection of lifting dressing tool installing component lifts the opposite side of dressing tool installing component.The side of lifting dressing tool installing component near abrasive grinding wheel, the opposite side lifting dressing tool installing component away from abrasive grinding wheel, lift dressing tool installing component bottom face inclined-plane the closer to the side of abrasive grinding wheel and the distance of X-axis slide unit less.The driving power drive drive rod of Dao Tai mechanism moves back and forth, and drive rod promotes wedge-like pushing block and gos deep into or exit lifting space, dressing tool installing component bottom face inclined-plane.Wedge-like pushing block exits, and under gravity, lifts dressing tool installing component and is in the state be lifted, and the axis of the fixing dressing tool that it is installed is lifted, along with wedge-like pushing block progressively deeply lifts space, dressing tool installing component bottom face inclined-plane, lift dressing tool installing component progressively to fall down to the side of installing fixing dressing tool, the axis lifting the fixing dressing tool that formula trimming device is installed progressively falls down, lift dressing tool installing component and contact adjustable locating piece, stop swinging, now, lift the axis of the fixing dressing tool that formula trimming device is installed, the axis of dressing tool that fixed trimming device is installed and the axis of abrasive grinding wheel are in same plane, at X-axis slide unit, under the driving of Y-axis slide unit, the fixing dressing tool lifting the installation of formula trimming device carries out low speed precise dressing to abrasive grinding wheel.Adjustable locating piece makes to lift dressing tool installing component and stops swinging at same position accurately at every turn, and the fixing dressing tool lifting the installation of formula trimming device in low speed precise dressing process can not produce movement.Adjust adjustable locating piece, change the pendulum angle lifting dressing tool installing component, the size of the dressing tool that fixed trimming device is installed given prominence to by the fixing dressing tool controlling to lift the installation of formula trimming device.The inclined-plane of the wedge-like pushing block of Dao Tai mechanism with lift dressing tool installing component bottom face inclined-plane and coordinate, the fit clearance that the Dao Tai mechanism eliminating other structure may occur, such as utilize gear to coordinate and there is gear teeth fit clearance, location is limited by adjustable locating piece, lift dressing tool installing component firm, reliable operation, makes dressing accuracy farthest be ensured.Because the thrust of the driving power of the effect Shi Daotai mechanism on inclined-plane significantly increases, even if the chipping resistance of abrasive grinding wheel is very large, also can not makes to lift dressing tool installing component and produce swing.Between inclined-plane, taper fit and adjustable locating piece restriction location lift the optimal structure of dressing tool installing component and Dao Tai mechanism, fit form.
The rotating trim instrument lifting the installation of formula trimming device is arranged in the notch of formula of the lifting trimming device rotating trim tool-mount channel lifting dressing tool installing component one upper lateral part, notch opening is facing to abrasive grinding wheel, bottom and the X-axis slide unit of this side are hinged, and adjustable locating piece installed by the X-axis slide unit below this side; The drive rod of Dao Tai mechanism promotes wedge-like pushing block, the one side of wedge-like pushing block with lift dressing tool installing component bottom face inclined-plane and coordinate, another side and the X-axis slide unit of wedge-like pushing block are slidably matched, and the inclined-plane opening near the opposite side lifting dressing tool installing component is large; The center of gravity deflection of lifting dressing tool installing component lifts the opposite side of dressing tool installing component.The driving power drive drive rod of Dao Tai mechanism moves back and forth, and drive rod promotes wedge-like pushing block and gos deep into or exit lifting space, dressing tool installing component bottom face inclined-plane.Along with wedge-like pushing block progressively deeply lifts space, dressing tool installing component bottom face inclined-plane, lift dressing tool installing component progressively to fall down to the side of installing rotating trim instrument, the axis lifting the rotating trim instrument that formula trimming device is installed progressively falls down, adjustable locating piece is contacted when lifting dressing tool installing component, stop swinging, now, lift the rotating trim tool axis that formula trimming device is installed, the axis of the dressing tool that fixed trimming device is installed and abrasive grinding wheel axis are in same plane, at X-axis slide unit, under the driving of Y-axis slide unit, the rotating trim instrument lifting the installation of formula trimming device carries out low speed precise dressing to abrasive grinding wheel.Adjustable locating piece makes to lift dressing tool installing component and stops swinging at same position accurately at every turn, and the rotating trim instrument lifting the installation of formula trimming device in low speed precise dressing process can not produce movement.Adjust adjustable locating piece, change the pendulum angle lifting dressing tool installing component, the size of the dressing tool that fixed trimming device is installed given prominence to by the rotating trim instrument controlling to lift the installation of formula trimming device.The inclined-plane of the wedge-like pushing block of Dao Tai mechanism with lift dressing tool installing component bottom face inclined-plane and coordinate, the fit clearance that the Dao Tai mechanism eliminating other structure may occur, such as, utilize gear to coordinate and there is gear teeth fit clearance.Limit location by adjustable locating piece, lift dressing tool installing component firm, reliable operation, makes dressing accuracy farthest be ensured.Because the thrust of the driving power of the effect Shi Daotai mechanism on inclined-plane significantly increases, even if the chipping resistance of abrasive grinding wheel is very large, also can not makes to lift dressing tool installing component and produce swing.Between inclined-plane, taper fit and adjustable locating piece restriction location lift the optimal structure of dressing tool installing component and Dao Tai mechanism, fit form.
The driving power of Dao Tai mechanism is cylinder or oil cylinder.Cylinder bar is drive rod.
The electric servomechanism of control system drives X-axis slide unit and Y-axis slide unit.Realize X-axis slide unit, Y-axis slide unit independently moving, and X-axis slide unit, Y-axis slide unit compound motion simultaneously.
Control system is numerically controlled control system.
Centreless grinding wheel trimming device level of the present invention or certain angle that tilts are arranged on centerless grinder, complete the high speed brute force finishing to abrasive grinding wheel and low speed precise dressing.Comparatively speaking, it is comparatively large that level installs the space that takies, but install, adjustment and easy to operate.No matter which kind of mounting means, all should when lifting the dressing tool work that formula trimming device is installed, lift the axis of dressing tool that formula trimming device installs, the axis of dressing tool that fixed trimming device is installed and the axis of abrasive grinding wheel be in same plane.
Existing centerless grinder is generally used for the grinding in enormous quantities of simple workpiece, for the axle class that some surface configurations of grinding are fairly simple, comprise Step Shaft, because surface is by rectilinear(-al), merely from the angle of technology, only can complete the finishing to abrasive grinding wheel with a set of dressing tool, if certainly use two cover dressing tools of the present invention, carry out rapid strong finishing and low speed precise dressing to abrasive grinding wheel respectively, the efficiency of finishing and effect can be better.And for the axle of surface configuration more complicated, the such as axle of auto pump bearing, above except step, also has raceway groove, and the shape of raceway groove has circular arc, or even more complicated ellipse or peach-shaped, corresponding abrasive grinding wheel utilizes to process the diamond roller identical with surfaces of grinding wheels shape in advance to repair, and a set of straight line trimming device used at present once can not complete the finishing to corresponding abrasive grinding wheel, although raceway groove accounts for the very little part in the whole surface of abrasive grinding wheel on corresponding abrasive grinding wheel, but further need repair with another trimming device.The trimming device of two equipment completes finishing, and not only efficiency is low, costly, importantly affects the precision of abrasive grinding wheel.And centreless grinding wheel trimming device of the present invention has two cover dressing tools, the Y-axis slide unit that the X-axis slide unit that independently moving followed by dressing tool moved in X axis direction or follow independently moving moves in Y-axis direction or follows the X-axis slide unit that simultaneously moves and Y-axis slide unit and does compound and move, can be satisfactory complete finishing.
A kind of centreless grinding wheel method for trimming using centreless grinding wheel trimming device of the present invention, centreless grinding wheel trimming device is in the loading, unloading that X-axis slide unit and Y-axis slide unit do not affect dressing tool, dressing tool and abrasive grinding wheel disengage, lift dressing tool installing component to be lifted, the home position of the grinding degree of depth that distance high speed brute force that the distance of lifting dressing tool and the abrasive grinding wheel that formula trimming device is installed is greater than dressing tool that fixed trimming device installs and abrasive grinding wheel is repaired; Under control system drives the driving power of power, rotary drive mechanism and the driving dynamic Control of Dao Tai mechanism to trimming device, the step of method for trimming is: the dressing tool using fixed trimming device to install carries out rapid strong finishing and/or uses the dressing tool lifting the installation of formula trimming device to carry out low speed precise dressing.
The dressing tool using fixed wheel dresser to install carries out rapid strong finishing: when the dressing tool that fixed wheel dresser is installed is fixing dressing tool, trimming device drives dynamic start, the fixing dressing tool that X-axis slide unit drives fixed wheel dresser to install shifts to abrasive grinding wheel along X axis, the grinding degree of depth of mobile rapid strong finishing is continued the fixing dressing tool that X-axis slide unit is installed from fixed wheel dresser contacts with abrasive grinding wheel, then, Y-axis slide unit independently moving, the grinding amount of feeding is selected by setting value, the fixing dressing tool that Y-axis slide unit drives fixed wheel dresser to install moves along Y-axis, repair, or X-axis slide unit and Y-axis slide unit move simultaneously, fixing dressing tool does compound and moves, repair, when the dressing tool that fixed trimming device is installed is rotating trim instrument, the driving dynamic start of rotary drive mechanism, trimming device drives dynamic start, the rotating trim instrument that X-axis slide unit drives fixed wheel dresser to install shifts to abrasive grinding wheel along X axis, the grinding degree of depth of mobile rapid strong finishing is continued the rotating trim instrument that X-axis slide unit is installed from fixed wheel dresser contacts with abrasive grinding wheel, then, Y-axis slide unit independently moving, the grinding amount of feeding is selected by setting value, the rotating trim instrument that Y-axis slide unit drives fixed wheel dresser to install moves along Y-axis, repair, or X-axis slide unit and Y-axis slide unit move simultaneously, rotating trim instrument does compound and moves, repair, need the degree of depth and the required precision of grinding according to whole grinding process, determine that this step carries out the pass repaired, this step completes, and recovers the reset condition of centreless grinding wheel trimming device,
The dressing tool lifting the installation of formula wheel dresser is used to carry out low speed precise dressing: when the dressing tool lifting the installation of formula trimming device is fixing dressing tool, the driving dynamic start of Dao Tai mechanism, fall down to lift dressing tool installing component, lift dressing tool installing component and contact adjustable locating piece, the driving power of Dao Tai mechanism is closed, trimming device drives dynamic start, X-axis slide unit drives the fixing dressing tool lifting the installation of formula wheel dresser to shift to abrasive grinding wheel along X axis, X-axis slide unit from lift fixing dressing tool that formula wheel dresser installs contact with abrasive grinding wheel the grinding degree of depth of a continuation movement low speed precise dressing, then, Y-axis slide unit independently moving, the grinding amount of feeding is selected by setting value, Y-axis slide unit drives the fixing dressing tool lifting the installation of formula wheel dresser to move along Y-axis, repair, or X-axis slide unit and Y-axis slide unit move simultaneously, rotating trim instrument does compound and moves, repair, when the dressing tool lifting the installation of formula trimming device is rotating trim instrument, the driving dynamic start of rotary drive mechanism, the driving dynamic start of Dao Tai mechanism, fall down to lift dressing tool installing component, lift dressing tool installing component and contact adjustable locating piece, the driving power of Dao Tai mechanism is closed, trimming device drives dynamic start, X-axis slide unit drives the rotating trim instrument lifting the installation of formula wheel dresser to shift to abrasive grinding wheel along X axis, X-axis slide unit from lift rotating trim instrument that formula wheel dresser installs contact with abrasive grinding wheel the grinding degree of depth of a continuation movement low speed precise dressing, then, Y-axis slide unit independently moving, the grinding amount of feeding is selected by setting value, Y-axis slide unit drives the rotating trim instrument lifting formula wheel dresser to move along Y-axis, repair, or X-axis slide unit and Y-axis slide unit move simultaneously, the rotating trim instrument lifting the installation of formula wheel dresser does compound and moves, repair, need the degree of depth and the required precision of grinding according to whole grinding process, determine that this step carries out the pass repaired, this step completes, and recovers the reset condition of centreless grinding wheel trimming device.
Select the rear low speed precise dressing of first rapid strong finishing depending on abrasive grinding wheel current condition, dressing purpose, finishing requirement etc. or only select rapid strong finishing or only select low speed precise dressing.Usually, low speed precise dressing after new abrasive grinding wheel needs to select first rapid strong to repair, convert used surfaces of grinding wheels shape and need the selection first rear low speed precise dressing of powerful finishing fast, the abrasive grinding wheel of normal use is safeguarded and is only selected low speed precise dressing, particular/special requirement only selects powerful finishing fast, such as in order to grind grinding tool for subsequent use, provide some new abrasive grinding wheels etc. only passing through powerful finishing fast.
Use the centreless grinding wheel method for trimming of centreless grinding wheel trimming device of the present invention, the method of operating that powerful finishing and low speed precise dressing two fast overlap finishing mode is easy, be connected smooth, dressing accuracy is high, solves and uses apparatus of the present invention to the finishing operation problem of the centreless grinding wheel of surfaces of complex shape.
Advantage of the present invention is: lift formula trimming device and fixed trimming device with the X-axis slide unit of the axes normal of abrasive grinding wheel is installed, when abrasive grinding wheel carries out rapid strong finishing, the dressing tool contact abrasive grinding wheel that fixed trimming device is installed, when abrasive grinding wheel carries out low speed precise dressing, lift the dressing tool contact abrasive grinding wheel that formula trimming device is installed, fixed trimming device and lift formula trimming device two and overlap trimming device and work respectively, collocation uses, can repair the centreless grinding wheel of surfaces of complex shape, extend finishing mode and the scope of less grinder for grinding emery wheel, avoid frequent replacing, dressing tool is installed, affect production efficiency and the easy phenomenon damaging dressing tool, there is economy, efficiently, the advantage of low consumption.The step of the centreless grinding wheel method for trimming of centreless grinding wheel trimming device of the present invention is used to be, use the dressing tool of fixed wheel dresser to carry out rapid strong finishing and/or use the dressing tool lifting formula wheel dresser to carry out low speed precise dressing, the method of operating that rapid strong finishing of the present invention and low speed precise dressing two overlap finishing mode is easy, be connected smooth, dressing accuracy is high.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of a kind of embodiment of centreless grinding wheel trimming device of the present invention;
Fig. 2 eliminates Y-axis slide unit and centerless grinder matrix in Fig. 1 embodiment, Dao Tai mechanism drives the structural representation lifting dressing tool installing component lifting status;
Fig. 3 eliminates Y-axis slide unit and centerless grinder matrix in Fig. 1 embodiment, Dao Tai mechanism drives lifts dressing tool installing component and to fall down the structural representation of state.
Detailed description of the invention
Embodiment 1
Accompanying drawing 1 ~ 3 is structural representations of a centreless grinding wheel trimming device of the present invention embodiment.By reference to the accompanying drawings centreless grinding wheel trimming device embodiment is described.
Y-axis slide unit 2 coordinates with the slide in plane on centerless grinder matrix 9, guide rail on centerless grinder matrix 9 in plane is parallel with the axis direction of abrasive grinding wheel 7, trimming device drives power drive Y-axis slide unit 2 to move along Y-axis, and namely the moving direction of Y-axis slide unit 2 is parallel to the axis direction of abrasive grinding wheel 7.X-axis slide unit 1 coordinates with the slide in plane on Y-axis slide unit 2, the guide rail on the guide rail on Y-axis slide unit 2 in plane and centerless grinder matrix 9 in plane, the axes normal of abrasive grinding wheel 7.Trimming device drives power drive X-axis slide unit 1 to move along X axis, and namely the moving direction of X-axis slide unit 1 is perpendicular to the axis direction of abrasive grinding wheel 7.The trimming device of the present embodiment drives power to be two servomotors, X-axis slide unit leading screw and Y-axis slide unit leading screw is driven to rotate respectively through decelerator, X-axis slide unit leading screw coordinates with the screw be arranged on X-axis slide unit 1, Y-axis slide unit leading screw coordinates with the screw be arranged on Y-axis slide unit 2, drive the servomotor of X-axis slide unit 1 to be arranged on Y-axis slide unit 2, drive the servomotor of Y slide unit 2 to be arranged on centerless grinder matrix 9.The upper plane of X-axis slide unit 1 installed fixed wheel dresser 3 and lift formula wheel dresser 4 liang of cover trimming devices.The fixed wheel dresser 3 of the present embodiment installs fixing dressing tool diamond strips 12, and diamond strips 12 is fixedly mounted on fixed trimming device and fixes in the installing hole of dressing tool mount pad.What the present embodiment lifted formula wheel dresser 4 installation is rotating trim instrument diamond roller 13, in Fig. 2 and Fig. 3, that lifts formula wheel dresser 4 lifts the notch that dressing tool installing component 10 upper right quarter is formula of the lifting trimming device rotating trim tool-mount channel of diamond roller 13, notch opening, in right, faces toward to abrasive grinding wheel 7.In Fig. 1, the installation shaft of diamond roller 13 is arranged on the top and bottom sidewall of installation notch by bearing, and installation shaft is in Y direction, and diamond roller 13 fixedly mounts on the mounting shaft.The driving power of the rotary drive mechanism 6 of the present embodiment is motor, the installation shaft of stretching out from the upper side wall of notch in Fig. 1 is connected with the driving power motor of rotary drive mechanism 6 with belt pulley by belt, automatic adjustment regulating wheel is arranged between two belt pulleys, does not draw in figure.In Fig. 2 and Fig. 3, lower right side and the X-axis slide unit 1 of lifting dressing tool installing component 10 are hinged, lift on the X-axis slide unit 1 below on the right side of dressing tool installing component 10 and adjustable locating piece 11 is installed, adjustable locating piece 11 in the present embodiment is bolts, this bolt and X-axis slide unit 1 are threaded connection, lock with nut, lift the left side of center of gravity at hinging pin shaft of dressing tool installing component 10, the bottom face of lifting on the left of dressing tool installing component 10 is inclined-plane, the port on this inclined-plane is large, and namely left side mouth is large.The driving power of the present embodiment Dao Tai mechanism 5 is fixed on the cylinder on X-axis slide unit 1, and cylinder bar is drive rod, and drive rod connects, promote wedge-like pushing block, coordinating with this inclined-plane above of wedge-like pushing block, coordinates below wedge-like pushing block with the upper planar slide of X-axis slide unit 1.Dao Tai mechanism 5 drives lifts dressing tool installing component 10 and swings up and down around hinged bearing pin axis, that is lifts and fall down, and in Fig. 2 and Fig. 3, movable dressing tool installing component 10 shows as and swings around hinged bearing pin axis.In Fig. 2, the cylinder bar retraction of cylinder, cylinder bar drives wedge-like pushing block to exit the space, inclined-plane of lifting dressing tool installing component bottom surface, lift dressing tool installing component 10 to swing left around hinged bearing pin axis under gravity and lift, be arranged on the diamond roller 13 lifted on dressing tool installing component 10 to lift thereupon, diamond roller 13 and the distance of abrasive grinding wheel 7 are greater than the grinding degree of depth that diamond strips 12 is repaired with distance rapid strong of abrasive grinding wheel 7, when diamond strips 12 pairs of abrasive grinding wheels 7 carry out rapid strong finishing, diamond roller 13 departs from abrasive grinding wheel 7, in Fig. 3, the cylinder bar of cylinder stretches out, cylinder bar promotes the space, inclined-plane that wedge-like pushing block deeply lifts dressing tool installing component bottom surface, lift dressing tool installing component 10 to swing to the right around hinged bearing pin axis, be arranged on the diamond roller 13 lifted on dressing tool installing component 10 to fall down thereupon, diamond strips 12 is greater than the grinding depth of a distance low speed precise dressing of diamond roller 13 and abrasive grinding wheel 7 with the distance of abrasive grinding wheel 7, when diamond roller 13 pairs of abrasive grinding wheels 7 carry out low speed precise dressing, diamond strips 12 departs from abrasive grinding wheel 7.The axis of diamond strips 12 and the intersect vertical axis of abrasive grinding wheel 7, contour, when diamond roller 13 works, the axis of the axis of diamond roller 13 and the axis of diamond strips 12 and abrasive grinding wheel 7 is in same plane.Fixed trimming device 3 and lift formula trimming device 4 liang of cover trimming devices and work respectively, can not repair simultaneously.Trimming device drives power, the driving power of rotary drive mechanism 6 and the driving power connection control system of Dao Tai mechanism 5.The control system of the present embodiment is numerically controlled control system, and digital control system has many selections, and what the embodiment of the present invention adopted is Siemens 808D digital control system.According to good program prepared in advance, send different instructions, produce different motions.Diamond strips 12 has different purposes from diamond roller 13, for the difference that finishing requires, regulation uses different dressing tools in a program, specify different dressing parameter in a program simultaneously, meet different processing requests, according to the instruction that program sends, different dressing tools enters different trim locations, and diamond roller 13 lifts according to programmed instruction or falls down.The motion of X-axis slide unit 1 and Y-axis slide unit 2 is all controlled by numerically controlled control system, according to the instruction of numerically controlled control system, moves to assigned address.The electric servomechanism of control system drives X-axis slide unit 1 and Y-axis slide unit 2, realizes X-axis slide unit 1 and Y-axis slide unit 2 independently moving separately, or X-axis slide unit 1 and Y-axis slide unit 2 compound motion simultaneously.On the X-motion direction of X-axis slide unit 1 and in the Y-axis axle direction of motion of Y-axis slide unit 2, position sensor is installed, the movement position of position sensor to X-axis slide unit 1 and Y-axis slide unit 2 is monitored, in time position signalling is fed back to digital control system, digital control system sends instruction according to this, forms closed-loop control.Preprogramming under off-line state and simulation program run, pass through dry run, adjustment is optimized to dressing parameter, improve dressing efficiency, then program that is prepared in advance, dry run is inputted, realize the finishing of quick, efficient, meticulous multiple line style, the invention solves the finishing problem of the centreless grinding wheel of complicated shape product, can repair the centreless grinding wheel of surfaces of complex shape, and then make centerless grinding not only be suitable for the grinding of simple shape product in enormous quantities, be also suitable for the grinding of multi items, small lot, complex product.Display control program is not had in accompanying drawing.
Embodiment 2
The present embodiment is the embodiment of a kind of centreless grinding wheel method for trimming of centreless grinding wheel trimming device described in embodiment 1, and the present embodiment repairs the surfaces of grinding wheels newly changed, and needs the selection first rear low speed precise dressing of powerful finishing fast.Following centreless grinding wheel method for trimming completes under numerically controlled control system controls.
Centreless grinding wheel trimming device is in the installation that X-axis slide unit 1 and Y-axis slide unit 2 do not affect diamond strips 12 and diamond roller 13, diamond strips 12 and diamond roller 13 disengage with abrasive grinding wheel 7, lift dressing tool installing component 10 to be lifted, diamond roller 13 is greater than the home position of the grinding degree of depth that diamond strips 12 is repaired with distance rapid strong of abrasive grinding wheel 7 with the distance of abrasive grinding wheel 7.
First the diamond strips of fixed wheel dresser 3 is used to carry out rapid strong finishing.
Trimming device drives power motor to start, X-axis slide unit 1 drives diamond strips 12 to shift to abrasive grinding wheel 7 along X axis, X-axis slide unit 1 continues the grinding degree of depth 1mm that a mobile rapid strong is repaired from diamond strips 12 contacts with abrasive grinding wheel 7, X-axis slide unit 1 and Y-axis slide unit 2 move simultaneously, grinding amount of feeding 0.30mm/r is selected by setting value, Y-axis slide unit 2 drives diamond strips 12 to move along Y-axis, and diamond strips 12 does compound and moves, finishing abrasive grinding wheel curve.Degree of depth 2mm and the required precision of grinding is needed according to whole grinding process, twice finishing is carried out in above-mentioned rapid strong finishing, after twice finishing completes, trimming device drives power motor to drive X-axis slide unit 1 and Y-axis slide unit 2 to return, trimming device drives power motor to cut out, and recovers the reset condition of centreless grinding wheel trimming device.
Then the diamond roller 13 lifting formula wheel dresser 4 is used to carry out low speed precise dressing.The driving power motor of rotary drive mechanism 6 starts, diamond roller 13 High Rotation Speed, the driving actuating cylinder of Dao Tai mechanism 5 starts, cylinder bar stretches out, lift dressing tool installing component 10 to fall down, contact the driving actuating cylinder stop motion of adjustable locating piece 11, Dao Tai mechanism 5, diamond strips 12 is greater than the grinding degree of depth of a distance low speed precise dressing of diamond roller 13 and abrasive grinding wheel 7 with the distance of abrasive grinding wheel 7; Trimming device drives power motor to start, X-axis slide unit 1 drives the diamond roller 13 lifting formula wheel dresser 4 to shift to abrasive grinding wheel 7 along X axis, and X-axis slide unit 1 continues the grinding degree of depth 0.10mm of a mobile low speed precise dressing from diamond roller 13 contacts with abrasive grinding wheel 7; X-axis slide unit 1 and Y-axis slide unit 2 move simultaneously, and select grinding amount of feeding 0.01mm/r by setting value, Y-axis slide unit 2 drives diamond roller 13 to move along Y-axis, and diamond roller 13 does compound and moves, finishing abrasive grinding wheel curve.Degree of depth 0.20mm and the required precision of grinding is needed according to whole grinding process, above-mentioned low speed precise dressing carries out twice finishing, after twice finishing completes, trimming device drives power motor to drive X-axis slide unit 1 and Y-axis slide unit 2 to return, trimming device drives power motor to cut out and the driving power motor of rotary drive mechanism 6 is closed, the driving actuating cylinder of Dao Tai mechanism 5 starts, cylinder bar is retracted, lift dressing tool clamping part 10 to lift, recover the reset condition of centreless grinding wheel trimming device.
Claims (10)
1. centreless grinding wheel trimming device, comprise the Y-axis slide unit (2) be arranged on above centerless grinder matrix (9), be arranged on the X-axis slide unit (1) above Y-axis slide unit (2), trimming device drives power drive Y-axis slide unit (2) along moving with the Y-axis of the axis being parallel of abrasive grinding wheel (7), trimming device drives power drive X-axis slide unit (1) to move along the X axis vertical with Y-axis, it is characterized in that X-axis slide unit (1) is upper and installs fixed trimming device (3) and lift formula trimming device (4) two cover trimming device, the dressing tool that fixed trimming device (3) is installed is fixing dressing tool or rotating trim instrument, lifting the dressing tool that formula trimming device (4) installs is rotating trim instrument or fixing dressing tool, rotary drive mechanism (6) drives rotating trim instrument to rotate around Y-axis, the dressing tool installing component (10) of lifting lifting formula trimming device (4) is hinged on X-axis slide unit (1), the Dao Tai mechanism (5) of lifting formula trimming device (4) drives lifts dressing tool installing component (10) around hinged bearing pin axis oscillating, lift dressing tool installing component (10) when lifting, the grinding degree of depth that distance rapid strong that the distance of lifting dressing tool that formula trimming device (4) installs and abrasive grinding wheel (7) is greater than dressing tool that fixed trimming device (3) installs and abrasive grinding wheel (7) is repaired, lift dressing tool installing component (10) when falling down, the distance of the dressing tool that fixed trimming device (3) is installed and abrasive grinding wheel (7) is greater than the grinding degree of depth of the distance low speed precise dressing lifting dressing tool that formula trimming device (4) installs and abrasive grinding wheel (7), trimming device drives power, the driving power of rotary drive mechanism (6) and the driving power connection control system of Dao Tai mechanism (5).
2. a kind of centreless grinding wheel trimming device according to claim 1, when it is characterized in that lifting the dressing tool work that formula trimming device (4) installs, lift the axis of the dressing tool that formula trimming device (4) is installed, the axis of the axis of dressing tool that fixed trimming device (3) is installed and abrasive grinding wheel (7) is in same plane.
3. a kind of centreless grinding wheel trimming device according to claim 1, it is characterized in that fixing dressing tool that fixed trimming device (3) is installed is fixed on fixed trimming device and fixes on dressing tool mount pad, in the face of abrasive grinding wheel (7), the axes normal of its axis and abrasive grinding wheel (7), both are in same plane.
4. a kind of centreless grinding wheel trimming device according to claim 1, it is characterized in that the rotating trim instrument that fixed trimming device (3) is installed is arranged in the notch of fixed trimming device rotating trim tool-mount channel, notch opening is facing to abrasive grinding wheel (7), the axis of the rotating trim instrument that fixed trimming device (3) is installed and the axis being parallel of abrasive grinding wheel (7).
5. a kind of centreless grinding wheel trimming device according to claim 1, it is characterized in that lifting fixing dressing tool that formula trimming device (4) installs to be fixedly mounted on formula of the lifting trimming device lifting dressing tool installing component (10) and to fix on dressing tool mount pad, lift fixing dressing tool that formula trimming device (4) installs in the face of abrasive grinding wheel (7), bottom and the X-axis slide unit (1) of lifting the side of the close abrasive grinding wheel (7) of dressing tool installing component (10) are hinged, X-axis slide unit (1) below this side is upper installs adjustable locating piece (11), the drive rod of Dao Tai mechanism (5) promotes wedge-like pushing block, the one side of wedge-like pushing block with lift dressing tool installing component bottom face inclined-plane and coordinate, another side and the X-axis slide unit (1) of wedge-like pushing block are slidably matched, and the inclined-plane opening near the opposite side lifting dressing tool installing component (10) is large, the center of gravity deflection of lifting dressing tool installing component (10) lifts the opposite side of dressing tool installing component (10).
6. a kind of centreless grinding wheel trimming device according to claim 1, it is characterized in that lifting the rotating trim instrument that formula trimming device (4) installs is arranged in the notch of formula of the lifting trimming device rotating trim tool-mount channel lifting dressing tool installing component (10) upper lateral part, notch opening is facing to abrasive grinding wheel (7), bottom and the X-axis slide unit (1) of this side are hinged, and the X-axis slide unit (1) below this side is upper installs adjustable locating piece (11); The drive rod of Dao Tai mechanism (5) promotes wedge-like pushing block, the one side of wedge-like pushing block with lift dressing tool installing component bottom face inclined-plane and coordinate, another side and the X-axis slide unit (1) of wedge-like pushing block are slidably matched, and the inclined-plane opening near the opposite side lifting dressing tool installing component (10) is large; The center of gravity deflection of lifting dressing tool installing component (10) lifts the opposite side of dressing tool installing component (10).
7. a kind of centreless grinding wheel trimming device according to claim 1, is characterized in that the electric servomechanism of control system drives X-axis slide unit (1) and Y-axis slide unit (2); Control system is numerically controlled control system.
8. use the centreless grinding wheel method for trimming of any one centreless grinding wheel trimming device in claim 1 ~ 7, it is characterized in that centreless grinding wheel trimming device is in the dress that X-axis slide unit (1) and Y-axis slide unit (2) do not affect dressing tool, unload, dressing tool and abrasive grinding wheel (7) disengage, lift dressing tool installing component (10) to be lifted, the home position of the distance one time that the distance of lifting dressing tool that formula trimming device (4) installs and abrasive grinding wheel (7) is greater than dressing tool that fixed trimming device (3) installs and abrasive grinding wheel (7) the powerful grinding degree of depth of repairing at a high speed, under control system drives the driving power of power, rotary drive mechanism (6) and the driving dynamic Control of Dao Tai mechanism (5) to trimming device, the step of method for trimming is: the dressing tool using fixed trimming device (3) to install carries out rapid strong finishing and/or use lifting the dressing tool that formula trimming device (4) installs and carrying out low speed precise dressing.
9. the centreless grinding wheel method for trimming of a kind of centreless grinding wheel trimming device according to claim 8, it is characterized in that the dressing tool using fixed wheel dresser (3) to install carries out rapid strong finishing: when the dressing tool that fixed wheel dresser (3) is installed is fixing dressing tool, trimming device drives dynamic start, the fixing dressing tool that X-axis slide unit (1) drives fixed wheel dresser (3) to install shifts to abrasive grinding wheel (7) along X axis, the grinding degree of depth that a mobile rapid strong is repaired is continued the fixing dressing tool that X-axis slide unit (1) is installed from fixed wheel dresser (3) contacts with abrasive grinding wheel (7), then, Y-axis slide unit (2) independently moving, the grinding amount of feeding is selected by setting value, the fixing dressing tool that Y-axis slide unit (2) drives fixed wheel dresser (3) to install moves along Y-axis, repair, or X-axis slide unit (1) and Y-axis slide unit (2) move simultaneously, fixing dressing tool does compound and moves, repair, when the dressing tool that fixed trimming device (3) is installed is rotating trim instrument, the driving dynamic start of rotary drive mechanism (6), trimming device drives dynamic start, the rotating trim instrument that X-axis slide unit (1) drives fixed wheel dresser (3) to install shifts to abrasive grinding wheel (7) along X axis, the grinding degree of depth that a mobile rapid strong is repaired is continued the rotating trim instrument that X-axis slide unit (1) is installed from fixed wheel dresser (3) contacts with abrasive grinding wheel (7), then, Y-axis slide unit (2) independently moving, the grinding amount of feeding is selected by setting value, the rotating trim instrument that Y-axis slide unit (2) drives fixed wheel dresser (3) to install moves along Y-axis, repair, or X-axis slide unit (1) and Y-axis slide unit (2) move simultaneously, rotating trim instrument does compound and moves, repair, need the degree of depth and the required precision of grinding according to whole grinding process, determine that this step carries out the pass repaired, this step completes, and recovers the reset condition of centreless grinding wheel trimming device.
10. the centreless grinding wheel method for trimming of a kind of centreless grinding wheel trimming device according to claim 8, it is characterized in that using and lift the dressing tool that formula wheel dresser (4) installs and carry out low speed precise dressing: when lifting dressing tool that formula trimming device (4) installs and being fixing dressing tool, the driving dynamic start of Dao Tai mechanism (5), fall down to lift dressing tool installing component (10), lift dressing tool installing component (10) and contact adjustable locating piece (11), the driving power of Dao Tai mechanism 5 is closed, trimming device drives dynamic start, X-axis slide unit (1) drives to be lifted the fixing dressing tool that formula wheel dresser (4) installs and shifts to abrasive grinding wheel (7) along X axis, X-axis slide unit (1) from lift fixing dressing tool that formula wheel dresser (4) installs to contact with abrasive grinding wheel (7) continue the grinding degree of depth of a mobile low speed precise dressing, then, Y-axis slide unit (2) independently moving, the grinding amount of feeding is selected by setting value, Y-axis slide unit (2) drives to be lifted the fixing dressing tool that formula wheel dresser (4) installs and moves along Y-axis, repair, or X-axis slide unit (1) and Y-axis slide unit (2) move simultaneously, rotating trim instrument does compound and moves, repair, when lifting dressing tool that formula trimming device (4) installs and being rotating trim instrument, the driving dynamic start of rotary drive mechanism (6), the driving dynamic start of Dao Tai mechanism (5), fall down to lift dressing tool installing component (10), lift dressing tool installing component (10) and contact adjustable locating piece (11), the driving power of Dao Tai mechanism (5) is closed, trimming device drives dynamic start, X-axis slide unit (1) drives to be lifted the rotating trim instrument that formula wheel dresser (4) installs and shifts to abrasive grinding wheel (7) along X axis, X-axis slide unit (1) from lift rotating trim instrument that formula wheel dresser (4) installs to contact with abrasive grinding wheel (7) continue the grinding degree of depth of a mobile low speed precise dressing, then, Y-axis slide unit (2) independently moving, the grinding amount of feeding is selected by setting value, Y-axis slide unit (2) drives the rotating trim instrument lifting formula wheel dresser (4) to move along Y-axis, repair, or X-axis slide unit (1) and Y-axis slide unit (2) move simultaneously, lift rotating trim instrument that formula wheel dresser (4) installs to do compound and move, repair, need the degree of depth and the required precision of grinding according to whole grinding process, determine that this step carries out the pass repaired, this step completes, and recovers the reset condition of centreless grinding wheel trimming device.
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| CN109227297A (en) * | 2018-11-19 | 2019-01-18 | 洛阳Lyc轴承有限公司 | Reduction process device and its processing method are beaten in the soft region of turntable bearing axial direction raceway |
| CN111716220A (en) * | 2020-07-17 | 2020-09-29 | 青岛润德精密轴承制造有限公司 | Composite grinding device for main shaft of bracket bearing |
| CN112207712A (en) * | 2019-07-10 | 2021-01-12 | 青岛泰德汽车轴承股份有限公司 | Grinding device for shaft-connected bearing |
| CN112405323A (en) * | 2019-08-21 | 2021-02-26 | 青岛泰德汽车轴承股份有限公司 | Grinding device for outer ring of shaft-connected bearing |
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| CN111716220A (en) * | 2020-07-17 | 2020-09-29 | 青岛润德精密轴承制造有限公司 | Composite grinding device for main shaft of bracket bearing |
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| CN105150104B (en) | 2017-09-05 |
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