CN108296893A - A kind of the centerless grinding precompressed mechanism and its method for grinding of spider - Google Patents
A kind of the centerless grinding precompressed mechanism and its method for grinding of spider Download PDFInfo
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- CN108296893A CN108296893A CN201810039212.9A CN201810039212A CN108296893A CN 108296893 A CN108296893 A CN 108296893A CN 201810039212 A CN201810039212 A CN 201810039212A CN 108296893 A CN108296893 A CN 108296893A
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- Prior art keywords
- grinding
- precompressed
- plate
- adjustable
- workpiece
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
- B24B47/206—Drives or gearings; Equipment therefor relating to feed movement for centreless grinding machines; for machines comprising work supports, e.g. steady rests
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/18—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centreless means for supporting, guiding, floating or rotating work
- B24B5/307—Means for supporting work
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The present invention relates to a kind of precompressed mechanism more particularly to the centerless grinding precompressed mechanisms and its operating method of a kind of spider.Further include grinding subassembly and binder component including workpiece and grinding machine equipment, the workpiece is ground by axial guide wheel assembly, and the workpiece carries out adjustable crimping by binder component.The centerless grinding precompressed mechanism and its operating method of a kind of spider are compact-sized, and it is high further to promote grinding accuracy, improves product quality.
Description
Technical field
The present invention relates to the centerless grinding precompressed mechanisms and its operation side of a kind of precompressed mechanism more particularly to a kind of spider
Method.
Background technology
Spider is the core component inside driving-shaft assembly, and transmission shaft is transmitted in differential mechanism torque to wheel.
Spider original is completed by the way of fabrication hole by cylindrical grinding process.Fabrication hole is processing in force part,
There is certain influence to product performance intensity.In order to further decrease application risk, prevent product complicated in use
The load of road conditions lower moment leads to fracture failure, and automobile generates shake and abnormal sound after failure, can not normally travel.But product structure ratio
It is more special, grinding cannot be balanced, can not light prolong grinding, cause product grinding accuracy and burn existing defects.
Chinese patent 201410062379.9, discloses a kind of pre-compressing device, including bottom plate and is fixed on the bottom plate top
Product pattern, the bottom of the bottom plate is equipped with stabilizer blade, it is characterised in that：The pre-compressing device further include for by product with
The hold-down mechanism that the product pattern compresses drives the actuating unit of the hold-down mechanism movement, and the support engine
The linear guide poles of structure and hold-down mechanism, the linear guide poles are equipped with movable part, the compacting machine with the hold-down mechanism junction
Structure is moved along linear guide poles under the driving of actuating unit and is contacted with the product on the bottom plate top.This structure is relative complex,
And suitability is not high, it is impossible to be used in the precompressed in coreless grinding technology.
Invention content
The present invention mainly solves the deficiencies in the prior art, provides a kind of simple in structure, and emphasis is captured in workpiece grinding
Very sensitive precompressed frictional force, shape of product is more special, and product is unable to equilbrium running, needs multiple voltage stabilizing, can allow production
The centerless grinding precompressed mechanism and its operating method of a kind of spider that product are balanced and smoothly rotated to grinding accuracy is reached.
The above-mentioned technical problem of the present invention is mainly to be addressed by following technical proposals：
A kind of centerless grinding precompressed mechanism of spider, including workpiece and grinding machine equipment, further include grinding subassembly and binder component,
The workpiece is ground by axial guide wheel assembly, and the workpiece carries out adjustable crimping by binder component.
Preferably, the grinding subassembly includes guide plate, grinding wheel and guide wheel, the bottom of the guide plate and grinding machine equipment
Fixed, the workpiece is located between grinding wheel and guide wheel, and the rotation of the guide wheel drives workpiece to be reversely rotated, the sand
The workpiece taken turns and rotated in the forward direction carries out crush grinding, and the guide wheel, grinding wheel and workpiece are distributed in matching type；
The grinding machine equipment is equipped with fixed seat, is equipped in the fixed seat with workpiece in the adjustable of adjustable axially position
Bolt；
Preferably, the top of the guide plate is equipped with inclined end face, the adjustable bolt passes through adjustable nut with fixed seat
Positioning is adjusted.
Preferably, the binder component includes guiding seat board, precompressed lower plate and precompressed upper plate, the precompressed lower plate
Bottom be equipped with compressing rod, the mandrel being axially distributed is equipped in the compressing rod, the outer end of the mandrel is cased with and workpiece
In the bearing of longitudinal rotational positioning, the top of the precompressed lower plate is equipped with the precompressed upper plate with precompressed lower plate in pivot bush unit,
Adjustable cylinder is equipped in the guiding seat board, the adjustable cylinder drives precompressed upper plate to carry out to bottom offset, described
Precompressed upper plate drive precompressed lower plate to carry out to bottom offset, the precompressed lower plate band dynamic bearing carries out longitudinal sliding with workpiece surface
Dynamic positioning.
Preferably, the compressing rod is fixed by binder fixed seat and the bottom of precompressed lower plate, the pre- pressure
Plate is slidably socketed with precompressed upper plate by several guide rods, and precompressed bullet is equipped between the precompressed upper plate and precompressed lower plate
Spring, the pre-compressed spring are positioned by pre-compressed spring adjustable bolt, and the pre-compressed spring adjustable bolt is located at precompressed
Between upper plate and precompressed lower plate, slide displacement is carried out by several guide upright posts between the precompressed upper plate and guiding seat board, it is described
The top of adjustable cylinder be equipped with the cylinder adjusting bolt of adjustment adjustable cylinder displacement stroke, the guiding seat board with it is pre-
It is equipped between pressure upper plate and the mutually fixed air cylinder fixed plate of guide upright post, the adjustable cylinder drives air cylinder fixed plate and precompressed
Upper plate is in movable crimping.
Preferably, the guiding seat board is fixed with guide plate, the guide plate is with the adjusting of guided way into line position
It moves, the guided way is located in adjustment seat, and the top of the adjustment seat is equipped with the guiding with guide plate in adjustable type positioning
Plate adjusting bolt, the guide plate are positioned with adjustment seat by the guide plate fixing bolt of several cross direction profiles, the tune
The adjusting slot hole that several genesis analysis are equipped in seat is saved, the guide plate fixing bolt carries out bottom along slot hole is adjusted
It moves, the adjustment seat is fixed by connecting seat and grinding machine equipment.
Preferably, the displacement stroke of the adjustable bolt is 0~20mm, between the precompressed upper plate and precompressed lower plate
Displacement stroke be 2~10mm, the displacement stroke of the cylinder adjusting bolt is 0~20mm, and the guide plate adjusts spiral shell
The displacement stroke of bolt is 0~40mm.
A kind of operating method of the centerless grinding precompressed mechanism of spider, carries out according to the following steps：
1. workpiece debugging positioning：
Product is put among guide plate inclined-plane and guide wheel when debugging, adjustable bolt position length position is adjusted according to product size
With the precompressed force-stroke of adjustment cylinder upper and lower displacement, product can be rubbed by guide wheel and drive autobiography；
2. grinding action：
Product is pushed by automatic feed mechanism among guide plate inclined-plane and guide wheel when automatic processing, while press cylinder displacement declines
It compresses, product autobiography, feed shaft feeding grinding；Grinding and feeding parameter setting, the amount that becomes soon are 4040um, and the speed that becomes soon is 300mm/
Min, corase grinding I amounts are 150um, and corase grinding I speed is 50 mm/min, and corase grinding II amounts are 40um, and corase grinding II speed is 5 mm/min, half essence
Mill amount is 35um, and half refines speed as 1.5 mm/min, and fine grinding amount is 20um, and fine grinding speed is 0.6 mm/min, and it is 1s to refine delay,
The gap that disappears amount is 32um；
3. grinding dressing：
It is ground the medium plain emery wheel finishing frequency to be executed according to setting quantity, the fast back speed of dressing parameter setting compensation axis parameter is 2000 mm/
Min, idle running speed be 200 mm/min, straight line finishing speed be 250 mm/min, compensation speed be 3 mm/min, compensation rate 30um,
The gap that disappears amount is 5um；The fast back speed of reciprocal axis parameter is 1000 mm/min, and idle running speed is 300 mm/min, and the gap that disappears amount is 5um；
4. grinding is completed：
Feed shaft is retracted after the completion of grinding, and the fast back speed of feed shaft parameter is 600 mm/min, and compensation speed is 3 mm/min, and tracking is mended
The amount of repaying 30um；Press cylinder return, product fall into the automatic belt enterprising reasonable material stage by conducting oneself with dignity simultaneously.
The displacement spacing of plate and the displacement spacing of adjustable cylinder are finely adjusted, to reach best ground effect.
Operation principle：
Workpiece is placed by automatic charging between guide plate and guide wheel, is declined by binder component and is compressed.Guide wheel rotation band is started building
Part rotates, and binder component middle (center) bearing pressure drop allows workpiece balance to rotate, grinding wheel feeding grinding.Guide wheel, workpiece, grinding wheel are opposite each other
Direction rotates.
Workpiece checks and accepts precision：Grinding surface is without burn；Shape is ground without corner angle；Grinding accuracy meets the requirements.
Technique effect：
1. product structure optimization eliminates the fabrication hole of force part, the properties of product intensity for avoiding fabrication hole from influencing reduces production
The Fracture Failure Risk of product；
2. the product of new construction needs to ensure the precision of raceway fit dimension, to need to develop new technique and neoteric pre-
Press mechanism designs and Implements the control of technical process, to ensureing the stability of product quality precision.
3. this programme mainly considers and carries out FMEA failure mode analysis (FMA)s under automobile actual use operating mode, in order to reduce failure
The possibility of risk, to plan the optimizing design scheme of product.It needs to develop new technique to meet new product simultaneously
The processing of structure, the development process of new process need to invent new mechanism arrangement to meet the requirement of technological design.
Therefore, the centerless grinding precompressed mechanism and its operating method of a kind of spider of the invention, it is compact-sized, further
It is high to promote grinding accuracy, improves product quality.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the side structure schematic view of the present invention；
Fig. 3 is the side structure schematic view of adjustment seat in the present invention.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1：As shown in Figure 1, Figure 2 and Figure 3, the centerless grinding precompressed mechanism of a kind of spider, including workpiece 1 and mill
Bed apparatus 2 further includes grinding subassembly and binder component, and the workpiece 1 carries out axially position grinding by axial guide wheel assembly,
The workpiece 1 carries out adjustable crimping by binder component.
The grinding subassembly includes guide plate 3, grinding wheel 4 and guide wheel 5, and the bottom of the guide plate 3 and grinding machine equipment 2 are solid
Fixed, the workpiece 1 is located between grinding wheel 4 and guide wheel 5, and the rotation of the guide wheel 5 drives workpiece 1 to be reversely rotated, described
Grinding wheel 4 be reversely ground with the workpiece 1 rotated in the forward direction, the guide wheel 5, grinding wheel 4 and workpiece 1 in matching type be distributed；
The grinding machine equipment 2 is equipped with fixed seat 6, is equipped in the fixed seat 6 with workpiece 1 in adjustable axially position
Adjustable bolt 7；
The top of the guide plate 3 is equipped with inclined end face 8, and the workpiece 1 carries out sliding rotation or blanking along inclined end face 8,
The diameter of the grinding wheel 4 is more than the diameter of guide wheel 5, and the adjustable bolt 7 is adjusted with fixed seat 6 by adjustable nut 9
Section positioning.
The binder component includes guiding seat board 10, precompressed lower plate 11 and precompressed upper plate 12, the precompressed lower plate 11
Bottom be equipped with compressing rod 13, the mandrel 14 being axially distributed, the outer end cap of the mandrel 14 are equipped in the compressing rod 13
There are the bearing 15 in longitudinal rotational positioning with workpiece 1, the top of the precompressed lower plate 11 to be equipped with precompressed lower plate 11 in activity
The precompressed upper plate 12 of socket is equipped with adjustable cylinder 16 in the guiding seat board 10, and the adjustable cylinder 16 drives pre-
Pressure upper plate 12 is carried out to bottom offset, and the precompressed upper plate 12 drives precompressed lower plate 11 to carry out to bottom offset, the pre- pressure
Plate 11 carries out longitudinal sliding motion positioning with dynamic bearing 15 and 1 surface of workpiece.
The compressing rod 13 is fixed by binder fixed seat 17 and the bottom of precompressed lower plate 11, the precompressed lower plate 11
It is slidably socketed, is equipped between the precompressed upper plate 12 and precompressed lower plate 11 pre- by several guide rods 18 with precompressed upper plate 12
Pressing spring 19, the pre-compressed spring 19 are positioned by pre-compressed spring adjustable bolt 20, the pre-compressed spring is adjustable spiral shell
Bolt 20 is located between precompressed upper plate 12 and precompressed lower plate 11, is stood by several be oriented between the precompressed upper plate 12 and guiding seat board 10
Column 21 carries out slide displacement, and the top of the adjustable cylinder 16 is equipped with the cylinder tune of adjustment 16 displacement stroke of adjustable cylinder
Save bolt 22, the guiding seat board 10 between precompressed upper plate 12 be equipped with 21 mutually fixed air cylinder fixed plate 23 of guide upright post,
The adjustable cylinder 16 drives air cylinder fixed plate 23 to be crimped in movable with precompressed upper plate 12.
The guiding seat board 10 is fixed with guide plate 24, and the guide plate 24 is with the adjusting of guided way 25 into line position
It moves, the guided way 25 is located in adjustment seat 26, and the top of the adjustment seat 26, which is equipped with, determines with guide plate 24 in adjustable type
The guide plate adjusting bolt 27 of position, the guide plate fixing bolt that the guide plate 24 passes through several cross direction profiles with adjustment seat 26
30 position, and the adjusting slot hole 28 of several genesis analysis, the guide plate fixing bolt 30 are equipped in the adjustment seat 26
Upper and lower displacement is carried out along slot hole 28 is adjusted, the adjustment seat 26 is fixed by connecting seat 29 and grinding machine equipment 2.
The displacement stroke of the adjustable bolt 7 is 0~20mm, the position between the precompressed upper plate 12 and precompressed lower plate 11
It is 2~10mm to migrate journey, and the displacement stroke of the cylinder adjusting bolt 22 is 0~20mm, the guide plate adjusting bolt
27 displacement stroke is 0~40mm.
A kind of operating method of the centerless grinding precompressed mechanism of spider, carries out according to the following steps：
1. workpiece debugging positioning：
Product is put among guide plate inclined-plane and guide wheel when debugging, adjustable bolt position length position is adjusted according to product size
With the precompressed force-stroke of adjustment cylinder upper and lower displacement, product can be rubbed by guide wheel and drive autobiography；
2. grinding action：
Product is pushed by automatic feed mechanism among guide plate inclined-plane and guide wheel when automatic processing, while press cylinder displacement declines
It compresses, product autobiography, feed shaft feeding grinding；Grinding and feeding parameter setting, the amount that becomes soon are 4040um, and the speed that becomes soon is 300mm/
Min, corase grinding I amounts are 150um, and corase grinding I speed is 50 mm/min, and corase grinding II amounts are 40um, and corase grinding II speed is 5 mm/min, half essence
Mill amount is 35um, and half refines speed as 1.5 mm/min, and fine grinding amount is 20um, and fine grinding speed is 0.6 mm/min, and it is 1s to refine delay,
The gap that disappears amount is 32um；
3. grinding dressing：
It is ground the medium plain emery wheel finishing frequency to be executed according to setting quantity, the fast back speed of dressing parameter setting compensation axis parameter is 2000 mm/
Min, idle running speed be 200 mm/min, straight line finishing speed be 250 mm/min, compensation speed be 3 mm/min, compensation rate 30um,
The gap that disappears amount is 5um；The fast back speed of reciprocal axis parameter is 1000 mm/min, and idle running speed is 300 mm/min, and the gap that disappears amount is 5um；
4. grinding is completed：
Feed shaft is retracted after the completion of grinding, and the fast back speed of feed shaft parameter is 600 mm/min, and compensation speed is 3 mm/min, and tracking is mended
The amount of repaying 30um；Press cylinder return, product fall into the automatic belt enterprising reasonable material stage by conducting oneself with dignity simultaneously.
Claims (7)
1. a kind of centerless grinding precompressed mechanism of spider, including workpiece（1）And grinding machine equipment（2）, it is characterised in that：Further include
Grinding subassembly and binder component, the workpiece（1）It is ground by grinding subassembly, the workpiece（1）Pass through binder group
Part carries out adjustable crimping.
2. a kind of centerless grinding precompressed mechanism of spider according to claim 1, it is characterised in that：The grinding group
Part includes guide plate（3）, grinding wheel（4）And guide wheel（5）, the guide plate（3）Bottom and grinding machine equipment（2）Fixed, described work
Part（1）It is located at grinding wheel（4）With guide wheel（5）Between, the guide wheel（5）Rotation drive workpiece（1）It is reversely rotated, it is described
Grinding wheel（4）With the workpiece rotated in the forward direction（1）Carry out crush grinding, the guide wheel（5）, grinding wheel（4）And workpiece（1）In matching type
Distribution；
The grinding machine equipment（2）It is equipped with fixed seat（6）, the fixed seat（6）In be equipped with and workpiece（1）In adjustable shaft
To the adjustable bolt of positioning（7）；
A kind of centerless grinding precompressed mechanism of spider according to claim 2, it is characterised in that：The guide plate（3）
Top be equipped with inclined end face（8）, the adjustable bolt（7）With fixed seat（6）Pass through adjustable nut（9）It is fixed to be adjusted
Position.
3. a kind of centerless grinding precompressed mechanism of spider according to claim 1, it is characterised in that：The binder group
Part includes guiding seat board（10）, precompressed lower plate（11）With precompressed upper plate（12）, the precompressed lower plate（11）Bottom be equipped with pressure
Expect bar（13）, the compressing rod（13）In be equipped with the mandrel that is axially distributed（14）, the mandrel（14）Outer end be cased with
Workpiece（1）In the bearing of longitudinal rotational positioning（15）, the precompressed lower plate（11）Top be equipped with and precompressed lower plate（11）It is in
The precompressed upper plate of pivot bush unit（12）, the guiding seat board（10）In be equipped with adjustable cylinder（16）, the adjustable gas
Cylinder（16）Drive precompressed upper plate（12）It carries out to bottom offset, the precompressed upper plate（12）Drive precompressed lower plate（11）It carries out downward
Displacement, the precompressed lower plate（11）Band dynamic bearing（15）With workpiece（1）Surface carries out longitudinal sliding motion positioning.
4. a kind of centerless grinding precompressed mechanism of spider according to claim 4, it is characterised in that：The compressing rod
（13）Pass through binder fixed seat（17）With precompressed lower plate（11）Bottom fix, the precompressed lower plate（11）With precompressed upper plate
（12）Pass through several guide rods（18）It is slidably socketed, the precompressed upper plate（12）With precompressed lower plate（11）Between be equipped with precompressed
Spring（19）, the pre-compressed spring（19）Pass through pre-compressed spring adjustable bolt（20）It is positioned, the pre-compressed spring can
Adjust bolt（20）It is located at precompressed upper plate（12）With precompressed lower plate（11）Between, the precompressed upper plate（12）With guiding seat board（10）Between
Pass through several guide upright posts（21）Carry out slide displacement, the adjustable cylinder（16）Top be equipped with adjustment adjustable cylinder
（16）The cylinder adjusting bolt of displacement stroke（22）, the guiding seat board（10）With precompressed upper plate（12）Between be equipped with be oriented to it is vertical
Column（21）Mutually fixed air cylinder fixed plate（23）, the adjustable cylinder（16）Drive air cylinder fixed plate（23）With precompressed upper plate
（12）In movable crimping.
5. a kind of centerless grinding precompressed mechanism of spider according to claim 4 or 5, it is characterised in that：Described leads
To seat board（10）With guide plate（24）Fixed, described guide plate（24）With guided way（25）Adjusting carry out displacement, it is described
Guided way（25）It is located at adjustment seat（26）In, the adjustment seat（26）Top be equipped with and guide plate（24）It is positioned in adjustable type
Guide plate adjusting bolt（27）, the guide plate（24）With adjustment seat（26）It is fixed by the guide plate of several cross direction profiles
Bolt（30）Positioning, the adjustment seat（26）In be equipped with several genesis analysis adjusting slot hole（28）, the guide plate
Fixing bolt（30）Along adjusting slot hole（28）Carry out upper and lower displacement, the adjustment seat（26）Pass through connecting seat（29）It is set with grinding machine
It is standby（2）It is fixed.
6. a kind of centerless grinding precompressed mechanism of spider according to claims 1 or 2 or 3 or 6, it is characterised in that：Institute
The adjustable bolt stated（7）Displacement stroke be 0~20mm, the precompressed upper plate（12）With precompressed lower plate（11）Between displacement row
Journey is 2~10mm, the cylinder adjusting bolt（22）Displacement stroke be 0~20mm, the guide plate adjusting bolt
（27）Displacement stroke be 0~40mm.
7. a kind of operating method of the centerless grinding precompressed mechanism of spider according to claims 1 or 2 or 3 or 6, special
Sign is to carry out according to the following steps：
1. workpiece debugging positioning：
Product is put among guide plate inclined-plane and guide wheel when debugging, adjustable bolt position length position is adjusted according to product size
With the precompressed force-stroke of adjustment cylinder upper and lower displacement, product can be rubbed by guide wheel and drive autobiography；
2. grinding action：
Product is pushed by automatic feed mechanism among guide plate inclined-plane and guide wheel when automatic processing, while press cylinder displacement declines
It compresses, product autobiography, feed shaft feeding grinding；Grinding and feeding parameter setting, the amount that becomes soon are 4040um, and the speed that becomes soon is 300mm/
Min, corase grinding I amounts are 150um, and corase grinding I speed is 50 mm/min, and corase grinding II amounts are 40um, and corase grinding II speed is 5 mm/min, half essence
Mill amount is 35um, and half refines speed as 1.5 mm/min, and fine grinding amount is 20um, and fine grinding speed is 0.6 mm/min, and it is 1s to refine delay,
The gap that disappears amount is 32um；
3. grinding dressing：
It is ground the medium plain emery wheel finishing frequency to be executed according to setting quantity, the fast back speed of dressing parameter setting compensation axis parameter is 2000 mm/
Min, idle running speed be 200 mm/min, straight line finishing speed be 250 mm/min, compensation speed be 3 mm/min, compensation rate 30um,
The gap that disappears amount is 5um；The fast back speed of reciprocal axis parameter is 1000 mm/min, and idle running speed is 300 mm/min, and the gap that disappears amount is 5um；
4. grinding is completed：
Feed shaft is retracted after the completion of grinding, and the fast back speed of feed shaft parameter is 600 mm/min, and compensation speed is 3 mm/min, and tracking is mended
The amount of repaying 30um；Press cylinder return, product fall into the automatic belt enterprising reasonable material stage by conducting oneself with dignity simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039212.9A CN108296893A (en) | 2018-01-16 | 2018-01-16 | A kind of the centerless grinding precompressed mechanism and its method for grinding of spider |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810039212.9A CN108296893A (en) | 2018-01-16 | 2018-01-16 | A kind of the centerless grinding precompressed mechanism and its method for grinding of spider |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238355A (en) * | 2019-07-17 | 2021-01-19 | 发那科株式会社 | Position adjusting device and ultra-precision machining tool |
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| SU1590342A1 (en) * | 1987-12-28 | 1990-09-07 | Всесоюзный заочный машиностроительный институт | Arrangement for circular centerless grinding |
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| JP2007111846A (en) * | 2005-10-24 | 2007-05-10 | Koyo Mach Ind Co Ltd | Method and device for centerless grinding rod-shaped workpiece |
| CN201329524Y (en) * | 2008-12-31 | 2009-10-21 | 陈显国 | Automatic loading and unloading device of centerless grinder |
| CN102069430A (en) * | 2010-10-28 | 2011-05-25 | 常州市武滚轴承有限公司 | Mechanical arm device of centerless grinding machine |
| CN202251501U (en) * | 2011-07-08 | 2012-05-30 | 杭州雷迪克汽车部件制造有限公司 | Spider for tripod universal joint |
| CN202684663U (en) * | 2012-06-29 | 2013-01-23 | 东莞市Tr轴承有限公司 | Compression roller device of centerless grinding machine |
| CN204603986U (en) * | 2015-05-15 | 2015-09-02 | 株洲硬质合金集团有限公司 | Centerless grinder bracket |
| CN206230326U (en) * | 2016-11-08 | 2017-06-09 | 辽宁爱尔创生物材料有限公司 | centerless grinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112238355A (en) * | 2019-07-17 | 2021-01-19 | 发那科株式会社 | Position adjusting device and ultra-precision machining tool |
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