CN107953147A - A kind of Mill precise grinding process - Google Patents
A kind of Mill precise grinding process Download PDFInfo
- Publication number
- CN107953147A CN107953147A CN201711080349.0A CN201711080349A CN107953147A CN 107953147 A CN107953147 A CN 107953147A CN 201711080349 A CN201711080349 A CN 201711080349A CN 107953147 A CN107953147 A CN 107953147A
- Authority
- CN
- China
- Prior art keywords
- backing roll
- dynamic
- head frame
- pressure head
- sound pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B5/36—Single-purpose machines or devices
- B24B5/37—Single-purpose machines or devices for grinding rolls, e.g. barrel-shaped rolls
Abstract
The present invention provides a kind of Mill precise grinding process, roll grinder (4) is used in this method implementation process, backing roll (1) is supported using sound pressure head frame (2) and dynamic and static pressure tailstock (3), one end of backing roll (1) is first processed to aimed dia, then turn around to process the other end to aimed dia, the position for being machined to aimed dia to backing roll (1) using sound pressure head frame (2) and dynamic and static pressure tailstock (3) is supported, then carries out the grinding of other position diameters of axle.One end is first processed to backing roll in the application, then turn around the processing other end, the position for being machined to aimed dia to backing roll using sound pressure head frame and dynamic and static pressure tailstock is supported, this grinding method can eliminate the Grinding Error that the support original foozle of the diameter of axle is brought, so as to reach the requirement of high-precision grinding, while eliminate the influence of traditional grinding method support diameter of axle size and geometric tolerance to grinding accuracy.
Description
Technical field
The present invention relates to grinding field, especially a kind of Mill precise grinding process.
Background technology
Backing roll is to be used for supporting working roll or intermediate calender rolls in milling train, prevents working roll from deflection deformation occur and influences plate shape
The important component of quality, the quality of backing roll quality directly affect the yield and quality for rolling plate.In engineering in practice, backing roll exists
Under normal operating condition, the easy cracked and secondary top layer crack initiation in surface.The grinding quality of backing roll is used for the service life
Have a major impact.In the processing of backing roll accurate grinding, itself top precision of CNC roll grinder and bearing gyration aperture and
The error that backing roll both ends centre bore machining accuracy and roughness produce, influences whether that backing roll holds grinding positioning accuracy, especially
It is that concentricity and cylindricity do not reach high-precision requirement when needing to reverse end for end grinding.Traditional dynamic and static pressure bracket support method is
Bracket support is on the backing roll diameter of axle of prior milled.Due to the presence of support diameter of axle size and geometric tolerance, can cause larger
Mismachining tolerance, the raising of backing roll machining accuracy is also restrained.In addition, the backing roll for grinding of turning around for some needs,
The precision after being ground that turns around can be reduced further.
The content of the invention
The object of the present invention is to provide a kind of Mill precise grinding process, solve during backing roll grinding concentricity and
The problem of cylindricity low precision.
Specifically, the present invention provides a kind of Mill precise grinding process, using rolling in this method implementation process
Roller grinding machine, comprises the following steps：Backing roll is supported using sound pressure head frame and dynamic and static pressure tailstock, first processes backing roll
One end is to aimed dia, and the processing other end that then turns around is to aimed dia, using sound pressure head frame and dynamic and static pressure tailstock to supporting
The position that roller has been machined to aimed dia is supported, then carries out the grinding of the other position diameters of axle of backing roll.
Specifically, being supported using sound pressure head frame and dynamic and static pressure tailstock to backing roll, first sound pressure head frame is propped up
The contact position of the backing roll of support is ground, and is ground to aimed dia, is then turned around, and the support of dynamic and static pressure tailstock has been machined to
The relevant position of the backing roll of aimed dia, the contact position of the backing roll supported to sound pressure head frame carry out being ground to target
Diameter, then carry out the grinding of the other position diameters of axle of backing roll.
Backing roll is supported using sound pressure head frame and dynamic and static pressure tailstock, instead of the original top support of lathe, energy
It is enough to eliminate because of the trueness error that lathe is top, the backing roll center hole accuracy of manufacture and bearing rotating accuracy produce, while first process
One end, then turn around the processing other end, can eliminate the Grinding Error that the support original foozle of the diameter of axle is brought.
Further, comprise the following steps：
Step 1: the position of calibration sound pressure head frame and dynamic and static pressure tailstock；Avoid error and the grinding of support device
Error is overlapped, and error can be made further to increase.
Step 2: backing roll is installed on sound pressure head frame and dynamic and static pressure tailstock；
Step 3: starting roll grinder, the position touched on backing roll with sound pressure head bridge joint is ground, is ground to mesh
Diameter is marked, closes roll grinder；
Roll grinder provides power and backing roll is rotated, while drives Grinding wheel rotation to be ground.
Step 4: backing roll is turned so that the position for being ground to aimed dia is installed on dynamic and static pressure tailstock, is treated
One end of grinding is installed on sound pressure head frame；
The position processed after turning is used to support, and position to be processed also becomes Support Position after machining,
Two such Support Position can eliminate itself radial direction deviation from circular from all by processing in high precision, as supporting point so that
Following process precision is high.
Step 5: restarting roll grinder, the position touched to backing roll with sound pressure head bridge joint is ground, is ground to
Aimed dia；
Step 6: mobile Grinding wheel, positions to be ground other to backing roll are processed.
Further, amesdial and the position of cylindrical gauge calibration sound pressure head frame and dynamic and static pressure tailstock are used in step 1
Put.
Amesdial and cylindrical gauge precision are high, both are used cooperatively the peace that can improve sound pressure head frame and dynamic and static pressure tailstock
Holding position precision, reduces the error caused by support.
Further, sound pressure head frame and dynamic and static pressure tailstock are installed on roll grinder；
Roll grinder is fixed on ground；Sound pressure head frame and the opposite guide rail for being installed on roll grinder of dynamic and static pressure tailstock
On, for being supported to backing roll.
Sound pressure head frame and dynamic and static pressure tailstock can move on guide rail, adjust relative position therebetween, that is, adjust
Relative distance is wide available for the backing roll of support different size, use scope.
Further, Tuo Wa is installed on sound pressure head frame and dynamic and static pressure tailstock；
Tuo Wa is in contact with backing roll, and that holds in the palm watt circumferentially fixed has seal protecting device.
Tuo Wa and seal protecting device isolate pressure head frame and backing roll, frictional heat when avoiding direct contact with, temperature mistake
Height, and reduce abrasion.
Further, seal protecting device is sealing ring, and material is rubber.
Rubber seal has very strong morphotropism, while wear-resisting, when supporting backing roll can to support watt sealing and
The mismachining tolerance for avoiding the abrasion of backing roll from bringing.
Further, buffer protection device is mounted on sound pressure head frame and dynamic and static pressure tailstock, for alleviating backing roll
To the impact force of sound pressure head frame and dynamic and static pressure tailstock during placement；Micro-adjusting mechanism is installed on dynamic and static pressure tailstock, for correcting branch
The installation site of runner in the horizontal direction.
Buffer protection device can avoid destruction of the large impact power to pressure head frame, extend service using life, and freqency fine adjustment machine
Structure can realize more accurate adjusting, realize the accurate support to backing roll.
Further, amesdial is installed on roll grinder, and cylindrical gauge is installed on sound pressure head frame and dynamic and static pressure tail
In the support watt of frame, amesdial and cylindrical gauge coordinate, and calibrate the position of sound pressure head frame and dynamic and static pressure tailstock.Amesdial and amount
Rule are used when being calibration, are withdrawn after the completion of adjusting, the two coordinates the position of calibration pressure head frame, eliminate installation error, are improved
Machining accuracy.
Further, micro-adjusting mechanism, the installation position of correction backing roll in the horizontal direction are adjusted in step 2 and step 4
Put.Micro-adjusting mechanism can be realized and more accurately adjusted, and eliminate installation error, improve grinding accuracy.
The application's has the beneficial effect that：
(1) backing roll is supported using sound pressure head frame and dynamic and static pressure tailstock, instead of the original top support of lathe,
It can eliminate because of the trueness error that lathe is top, the backing roll center hole accuracy of manufacture and bearing rotating accuracy produce；
(2) one end is first processed to backing roll, then turn around the processing other end, uses sound pressure head frame and dynamic and static pressure tailstock pair
The position that backing roll has been machined to aimed dia is supported, i.e., the diameter of axle at the two of dynamic and static pressure bracket support is worked into same
Size, then the grinding of the follow-up backing roll diameter of axle is carried out, this grinding method can eliminate the support original foozle of the diameter of axle and bring
Grinding Error, so as to reach the requirement of high-precision grinding, while eliminate traditional grinding method support diameter of axle size and morpheme
Influence of the tolerance to grinding accuracy, can reach the requirement of high-precision grinding；
(3) using end face of the dynamic and static pressure bracket support to machine, backing roll concentricity after grinding and cylinder are ensured
Degree.
Brief description of the drawings
Attached drawing is only used for showing the purpose of specific embodiment, and is not considered as limitation of the present invention, in whole attached drawing
In, identical reference symbol represents identical component.
Fig. 1 is the overall structure diagram of roll grinder in the present invention；
Fig. 2 is the left view of roll grinder in the present invention；
Fig. 3 is cylindrical gauge schematic view of the mounting position in the present invention；
Fig. 4 is position view when micrometer and cylindrical gauge use in the present invention；
Fig. 5 is backing roll grinding position schematic diagram in the present invention；
Fig. 6 is grinding position schematic diagram after backing roll turns around in the present invention.
In figure：1- backing rolls, 2- sound pressure heads frame, 3- dynamic and static pressures tailstock, 4- roll grinders, 5- buffer protection devices, 6-
Micro-adjusting mechanism, 7- seal protecting devices, 8- gauges, 9- amesdials, 10- supports watt.
Embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
The present invention provides a kind of Mill precise grinding process, as illustrated in fig. 1 and 2, in this method implementation process
Using roll grinder 4, sound pressure head frame 2 and dynamic and static pressure tailstock 3 be installed on the guide rail of roll grinder 4, sound pressure head frame 2 and dynamic
Static pressure tailstock 3 can be moved back and forth along guide rail.
Roll grinder 4 is fixed on ground；Sound pressure head frame 2 and the opposite installation of dynamic and static pressure tailstock 3, for adding to be ground
The backing roll 1 of work is supported；Support watt 10 is installed, support watt 10 is in contact with backing roll 1, to backing roll 1 on sound pressure head frame 2
It is supported, the circumferentially fixed of support watt 10 has seal protecting device 7, and support watt 10 and surrounding hydraulic oil are sealed, and prevents
Grinding fluid is into the oil film started going to a nursery watt between 10 and backing roll 1 when being only ground, friction of the increase support watt between 10 and backing roll 1
Power, frictional heat temperature is excessive when prevention support watt 10 is contacted with backing roll 1；Support watt 10, support watt 10 are installed on dynamic and static pressure tailstock 3
Be in contact with backing roll 1, backing roll 1 be supported, the circumferentially fixed of support watts 10 has seal protecting device 7, to support watt 10 and
Surrounding hydraulic oil is sealed, and prevents during grinding grinding fluid into the oil film started going to a nursery watt between 10 and backing roll 1, increase support
Frictional force watt between 10 and backing roll 1, frictional heat temperature is excessive when prevention support watt 10 is contacted with backing roll 1；Micro-adjusting mechanism 6
It is installed on dynamic and static pressure tailstock 3, for correcting the installation site of backing roll 1 in the horizontal direction, prevents the micro- of dynamic and static pressure tailstock 3
It is dynamic that backing roll precision is had an impact；Buffer protection device 5 is mounted on sound pressure head frame 2 and dynamic and static pressure tailstock 3, for delaying
Solve when backing roll 1 is placed to the impact force of sound pressure head frame 2 and dynamic and static pressure tailstock 3.
In this application, seal protecting device 7 is sealing ring, and material is rubber, which is fixed on sound pressure head frame 2
On dynamic and static pressure tailstock 3, support watt 10 is enclosed inside it, height slightly above support watt 10, when placing backing roll 1, due to rubber
The elasticity of itself make it that seal protecting device 7 is compressed, and then support watt 10 is sealed in inside seal protecting device 7, avoids grinding
Grinding fluid is into starting going to a nursery watt between 10 and backing roll 1 when cutting.
The Mill precise grinding process of the present invention comprises the following steps：
Step 1: as shown in Figure 3 and Figure 4, sound pressure head frame 2, sound are calibrated using amesdial 9 and cylindrical gauge 8
The position of tailstock 3 is pressed, school reference of reference is the guide rail direction of roll grinder 4, so that sound pressure head frame 2 and dynamic and static pressure tail after calibration
Frame 3 and the guide rail of roll grinder 4 are perpendicular, and sound pressure head frame 2 and dynamic and static pressure tailstock 3 can be moved along guide rail direction；
In use, amesdial 9 is installed on roll grinder 4, cylindrical gauge 8 is installed on sound pressure head frame 2 and dynamic and static pressure
In the support watt 10 of tailstock 3, coordinated using amesdial 9 and cylindrical gauge, the position of calibration sound pressure head frame 2 and dynamic and static pressure tailstock 3
Put.
Step 2: backing roll 1 is installed on sound pressure head frame 2 and dynamic and static pressure tailstock 3, simultaneous buffering protective device 5 is slow
The impact force of sound pressure head frame 2 and dynamic and static pressure tailstock 3 is solved, micro-adjusting mechanism 6 is adjusted and corrects the installation of backing roll 1 in the horizontal direction
Position so that backing roll 1 is consistent with the guide rail direction of roll grinder 4, while the chuck of roll grinder 4 blocks backing roll 1, makes
Obtaining roll grinder 4 can drive backing roll 1 to rotate；
Step 3: start roll grinder 4, as shown in figure 5, roll grinder 4 drives backing roll 1 to rotate, the mill of roll grinder 4
Cut wheel to be ground the position contacted with sound pressure head frame 2 on backing roll 1, be ground to aimed dia D, close roll grinder 4；
In the application, roll grinder 4 is CNC roll grinder.
Step 4: as shown in fig. 6, backing roll 1 is turned so that the one end for being ground to aimed dia is installed on sound
Press on tailstock 3, one end to be ground is installed on sound pressure head frame 2, and simultaneous buffering protective device 5 alleviates 2 He of sound pressure head frame
The impact force of dynamic and static pressure tailstock 3, adjusts micro-adjusting mechanism 6 and corrects the installation site of backing roll 1 in the horizontal direction, while roll is ground
The chuck of bed 4 blocks backing roll 1 so that roll grinder 4 can drive backing roll 1 to rotate；
CNC roll grinder has the high characteristic of repetitive positioning accuracy, even if this causes backing roll 1 to turn, adjusts two
Position, during reposition, backing roll 1 still ensures that high accuracy.
Step 5: restarting roll grinder 4, Grinding wheel one end to be ground to backing roll 1 are ground, mesh is ground to
Mark diameter D；
Step 6: mobile Grinding wheel, positions to be ground other to backing roll 1 are processed.
Sound pressure head frame and dynamic and static pressure tailstock used herein are supported backing roll, original top instead of lathe
Support, can eliminate because of the trueness error that lathe is top, the backing roll center hole accuracy of manufacture and bearing rotating accuracy produce.
One end is first processed in the application to backing roll, then turn around the processing other end, uses sound pressure head frame and dynamic and static pressure
The position that tailstock has been machined to backing roll aimed dia is supported, i.e., the diameter of axle at the two of dynamic and static pressure bracket support is processed
To same size, then the grinding of the follow-up backing roll diameter of axle is carried out, this grinding method can eliminate the original manufacture of the support diameter of axle and miss
The Grinding Error that difference band comes, so as to reach the requirement of high-precision grinding, while eliminates traditional grinding method support diameter of axle size
With influence of the geometric tolerance to grinding accuracy, the requirement of high-precision grinding can be reached.
Although having been combined preferred embodiment to be described in detail the present invention, those skilled in the art should
What it is when understanding is that various amendments are all allowed, they both fall within this hair in the case of without prejudice to spirit of the invention and essence
Among bright scope of the claims.
Claims (10)
1. a kind of Mill precise grinding process, roll grinder (4) is used in this method implementation process, it is characterised in that
Comprise the following steps：Backing roll (1) is supported using sound pressure head frame (2) and dynamic and static pressure tailstock (3), first processes backing roll
(1) to aimed dia, the processing other end that then turns around uses sound pressure head frame (2) and dynamic and static pressure tail to aimed dia for one end
The position that frame (3) has been machined to backing roll (1) aimed dia is supported, then carries out the other position diameters of axle of backing roll (1)
Grinding.
2. Mill precise grinding process according to claim 1, it is characterised in that use sound pressure head frame (2)
Backing roll (1) is supported with dynamic and static pressure tailstock (3), the contact position of the backing roll (1) first supported to sound pressure head frame (2)
Put and be ground, be ground to aimed dia, then turn around, dynamic and static pressure tailstock (3) supports the supporting for being machined to aimed dia
The relevant position of roller (1), the contact position of the backing roll (1) supported to sound pressure head frame (2) carry out being ground to aimed dia,
The grinding of the other position diameters of axle of backing roll (1) is carried out again.
3. Mill precise grinding process according to claim 1 or 2, it is characterised in that comprise the following steps：
Step 1: the position of calibration sound pressure head frame (2) and dynamic and static pressure tailstock (3)；
Step 2: backing roll (1) is installed on sound pressure head frame (2) and dynamic and static pressure tailstock (3)；
Step 3: starting roll grinder (4), the position contacted on backing roll (1) with sound pressure head frame (2) is ground, is ground
Cut to aimed dia, close roll grinder (4)；
Step 4: backing roll (1) to be turned so that the position for being ground to aimed dia is installed on dynamic and static pressure tailstock (3),
One end to be ground is installed on sound pressure head frame (2)；
Step 5: restarting roll grinder (4), backing roll (1) is ground with the position that sound pressure head frame (2) contacts,
It is ground to aimed dia；
Step 6: mobile Grinding wheel, is processed the other positions to be ground of backing roll (1).
4. Mill precise grinding process according to claim 3, it is characterised in that thousand are used in the step 1
Divide table (9) and the position of cylindrical gauge (8) calibration sound pressure head frame (2) and dynamic and static pressure tailstock (3).
5. Mill precise grinding process according to claim 1, it is characterised in that the sound pressure head frame (2)
It is installed on dynamic and static pressure tailstock (3) on the roll grinder (4)；
The roll grinder (4) is fixed on ground；The sound pressure head frame (2) and opposite be installed on of dynamic and static pressure tailstock (3) are rolled
On the guide rail of roller grinding machine (4), for being supported to backing roll (1).
6. Mill precise grinding process according to claim 4, it is characterised in that the sound pressure head frame (2)
Tuo Wa (10) is installed with the dynamic and static pressure tailstock (3)；
The support watt (10) is in contact with backing roll (1), and support the circumferentially fixed of watt (10) has seal protecting device (7).
7. Mill precise grinding process according to claim 6, it is characterised in that the seal protecting device
(7) it is sealing ring, material is rubber.
8. according to any Mill precise grinding process of claim 1, it is characterised in that the sound pressure head frame
(2) and on dynamic and static pressure tailstock (3) buffer protection device (5) is mounted on, for alleviating when backing roll (1) is placed to sound pressure head
The impact force of frame (2) and dynamic and static pressure tailstock (3)；Micro-adjusting mechanism (6) is installed on the dynamic and static pressure tailstock (3), for correcting branch
The installation site of runner (1) in the horizontal direction.
9. Mill precise grinding process according to claim 8, it is characterised in that amesdial (9) installation
In on roll grinder (4), the cylinder gauge (8) is installed on the Tuo Wa (10) of sound pressure head frame (2) and dynamic and static pressure tailstock (3)
On, the amesdial (9) and cylindrical gauge (8) coordinate, the position of calibration sound pressure head frame (2) and dynamic and static pressure tailstock (3).
10. according to any Mill precise grinding process of claim 7-9, it is characterised in that the step 2
With adjusting micro-adjusting mechanism (6) in the step 4, the installation site of correction backing roll (1) in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080349.0A CN107953147B (en) | 2017-11-06 | 2017-11-06 | A kind of Mill precise grinding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711080349.0A CN107953147B (en) | 2017-11-06 | 2017-11-06 | A kind of Mill precise grinding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107953147A true CN107953147A (en) | 2018-04-24 |
| CN107953147B CN107953147B (en) | 2019-04-23 |
Family
ID=61964290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711080349.0A Active CN107953147B (en) | 2017-11-06 | 2017-11-06 | A kind of Mill precise grinding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107953147B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757265A (en) * | 2019-11-06 | 2020-02-07 | 新余钢铁股份有限公司 | Grinding method for bearing inner sleeve of acid rolling support roller |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000127022A (en) * | 1998-10-27 | 2000-05-09 | Shinetsu Quartz Prod Co Ltd | Groove polishing device for quartz glass rod |
| CN101428393A (en) * | 2008-12-17 | 2009-05-13 | 合肥工业大学 | Machine tool fluid pressure center frame |
| CN201644509U (en) * | 2009-12-30 | 2010-11-24 | 一重集团大连设计研究院有限公司 | Cushion block pushing and pulling device of rolling mill |
| CN102513890A (en) * | 2011-12-19 | 2012-06-27 | 上海机床厂有限公司 | Angular precision positioning device for crank of crankshaft |
| CN103009200A (en) * | 2012-12-25 | 2013-04-03 | 武汉宝德机电有限责任公司 | Two-wheeled numerical control roll grinder and numerical control method thereof |
| CN203679339U (en) * | 2013-12-09 | 2014-07-02 | 上海机床厂有限公司 | Bracket arc tile on-line boring device of heavy roll grinder |
-
2017
- 2017-11-06 CN CN201711080349.0A patent/CN107953147B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000127022A (en) * | 1998-10-27 | 2000-05-09 | Shinetsu Quartz Prod Co Ltd | Groove polishing device for quartz glass rod |
| CN101428393A (en) * | 2008-12-17 | 2009-05-13 | 合肥工业大学 | Machine tool fluid pressure center frame |
| CN201644509U (en) * | 2009-12-30 | 2010-11-24 | 一重集团大连设计研究院有限公司 | Cushion block pushing and pulling device of rolling mill |
| CN102513890A (en) * | 2011-12-19 | 2012-06-27 | 上海机床厂有限公司 | Angular precision positioning device for crank of crankshaft |
| CN103009200A (en) * | 2012-12-25 | 2013-04-03 | 武汉宝德机电有限责任公司 | Two-wheeled numerical control roll grinder and numerical control method thereof |
| CN203679339U (en) * | 2013-12-09 | 2014-07-02 | 上海机床厂有限公司 | Bracket arc tile on-line boring device of heavy roll grinder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757265A (en) * | 2019-11-06 | 2020-02-07 | 新余钢铁股份有限公司 | Grinding method for bearing inner sleeve of acid rolling support roller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107953147B (en) | 2019-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103862215A (en) | Assembly welding tool device and method commonly used for large curved surface end sockets of pressure containers | |
| JP3937148B2 (en) | Centerless grinding apparatus and centerless grinding method | |
| KR20130119861A (en) | Double-end surface grinding method and double-end surface grinder | |
| JP2005238444A (en) | Double-sided simultaneous grinding method, double-sided simultaneous grinding machine, double-sided simultaneous lapping method and double-sided simultaneous lapping machine | |
| CN107953147B (en) | A kind of Mill precise grinding process | |
| JP2014014866A (en) | Device and method for adjusting shape of workpiece | |
| JP2009291914A (en) | Inner face polishing device and method for following billet uneven thickness | |
| CN106112631A (en) | Conical ring processing shoe formula centerless fixture and location thereof adjust frock technique | |
| JP5239589B2 (en) | Grinding apparatus and grinding method | |
| CN110877236A (en) | Thrust bearing ring channel lapping processing method | |
| JP2015150638A (en) | Grinder for tapered roller, and method for grinding tapered roller | |
| JP6159639B2 (en) | Grinding equipment | |
| JP2005279793A (en) | Pre-load support and ultraprecise working method of thin member using it | |
| CN203843671U (en) | Horizontal spindle surface grinding machine with circular table | |
| CN210080409U (en) | Slewing bearing rounding equipment | |
| CN206373779U (en) | A kind of fine-tuning grinding wheel grinder | |
| CN105215624A (en) | Cooling rolled-on method in Tong Gui Trace | |
| CN106670724B (en) | A kind of roller press | |
| CN108500787A (en) | High-precision automobile hub bearing grinds outer diameter processing method | |
| CN108044501A (en) | A kind of grinding attachment processed for solar battery array substrate insulating bushing and ring set | |
| CN216463470U (en) | High-precision conical surface grinding device for shaft parts | |
| CN103801716A (en) | Workpiece coaxiality adjusting mechanism of turning lathe | |
| CN204525179U (en) | A kind of abrasive wheel grinding wheel arc finishing frock | |
| CN218904906U (en) | Coupler centering device | |
| CN203738036U (en) | Lathe workpiece coaxiality adjusting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |