CN106670849A - Machining device and method for seat ring and guide pipe hole in engine cylinder cover - Google Patents
Machining device and method for seat ring and guide pipe hole in engine cylinder cover Download PDFInfo
- Publication number
- CN106670849A CN106670849A CN201611101788.0A CN201611101788A CN106670849A CN 106670849 A CN106670849 A CN 106670849A CN 201611101788 A CN201611101788 A CN 201611101788A CN 106670849 A CN106670849 A CN 106670849A
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- Prior art keywords
- location
- location hole
- hole
- cylinder cover
- engine cylinder
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Drilling And Boring (AREA)
Abstract
The invention relates to a machining device for a seat ring and a guide pipe hole in an engine cylinder cover. The machining device comprises a base, a first motor, a tool and a positioning device. The first motor can be arranged on the base in a vertical movement manner. The tool is connected to the output end of the first motor. The positioning device is arranged below the tool and used for positioning a to-be-machined workpiece and comprises a base plate, a positioning disc, a positioning plate, a clamping plate assembly and a second motor. The machining device specially used for machining the seat ring and the guide pipe hole in the engine cylinder cover is provided, and the machining device is provided with the positioning device simple in structure and good in positioning effect. The positioning device is high in positioning precision and good in reliability, the friction between the positioning device and a cylinder cover outer profile face is small, forming of scratches on the cylinder cover outer profile face is effectively avoided, and accordingly the product qualification rate is increased to a great extent. According to the machining method, the machining position can be rapidly switched in the machining process, and the machining efficiency is improved.
Description
Technical field
The present invention relates to the processing technique field of engine cylinder cover, specially a kind of engine cylinder cover top race and guide hole
Process equipment, the invention further relates to using the processing method of the processing unit (plant).
Background technology
At present, engine cylinder cover is processed mainly using combined precision cutter turning seat seal band and guide hole.Using this
It is usually the three external surfaces positioning clamping first with cylinder cap side to plant processing mode, then cylinder cap is processed.With starting
The lifting of machine performance requirement, partial engine cylinder cap is manufactured using the vermicular graphite iron material of high rigidity, is processed using combination cutter
The roughness of seat ring and conduit hole surface cannot be ensured, therefore the method processing seat ring and guide hole for patrolling side grinding need to be adopted.
It is certain due to existing between the seat ring on engine cylinder lid and guide hole place axis and horizontal plane in prior art
Inclination angle, the coaxial accuracy of cutter and seat ring central axis cannot be ensured hence with the positioning mode of three external surfaces, no
Only reliability of positioning is poor, and cylinder cap can rub in process between positioner plane, it is easy in cylinder cap
Cut is left on external surface, the qualification rate for producing is affected.
Therefore, the process equipment and processing method of current engine cylinder cover top race and guide hole are directed to, are awaited
Further improved.
The content of the invention
The technical problem to be solved is the present situation for prior art, there is provided a kind of reliability of positioning is high, energy
It is prevented effectively from the formation of cut on cylinder cap external surface, improves the engine cylinder cover top race of conforming product rate and the processing of guide hole
Equipment.
Another technical problem to be solved by this invention is the present situation for prior art, there is provided one kind is added using above-mentioned
The processing method that frock is put, the method is easy to be switched fast processing stations, improves working (machining) efficiency.
The present invention solve the technical scheme that adopted of above-mentioned technical problem for：A kind of engine cylinder cover top race and guide hole
Process equipment, including pedestal, the first motor, cutter and positioner be provided with the assembly wall of vertical arrangement on the pedestal,
First motor can move up and down on the assembly wall, the cutter is connected on the outfan of the first motor and down
Arrangement, the positioner is located at cutter lower section and to position workpiece to be processed, it is characterised in that：Described positioner bag
Include
Chassis, can rotate on pedestal, the first location hole is provided with the middle part of the chassis, open on the upper surface on the chassis
The T-slot for having at least two near edge and being arranged symmetrically relative to the first location hole；
Positioning disk, simultaneously upper surface is configured to the inclined-plane horizontal by 3~4 ° of inclination angles on chassis, in the positioning disk
Portion is provided with second location hole corresponding with the first location hole, and first connection corresponding with T-slot is also provided with the positioning disk
Hole, T-slot nut is connected to positioning disk locking on chassis through first connecting hole and corresponding T-slot；
Location-plate, simultaneously middle part is provided with threeth location hole corresponding with the second location hole, and the 3rd on positioning disk
3~4 ° of inclination angle is formed between the axial line and horizontal plane of location hole, is further opened with the location-plate near the 3rd location hole
And spaced apart 4th location hole, between the 5th location hole, and the 4th location hole and the axial line of the 5th location hole away from
From the distance between axial line equal to adjacent two seat ring or guide hole on workpiece to be processed；
Cleat assembly, the cleat assembly is located on the upper surface of location-plate along the incline direction of positioning disk upper surface, to
Clamping workpiece to be processed；And
Second motor, on pedestal and positioned at chassis lower section, the output shaft of second motor is connected simultaneously with chassis
Chassis can be driven to rotate.
In order to improve positioning precision, it is additionally provided with the upper surface of the positioning disk to carry out Primary Location to location-plate
Positioning strip, the positioning strip perpendicular to the inclined-plane incline direction and near positioning disk it is highly relatively low edge arrangement, it is described
The medial surface of positioning strip to the distance of the second location hole axial line is equal to it to the distance of the 3rd location hole axial line.
For the ease of positioning workpiece to be processed, it is provided with the middle part of the engine cylinder cover in multiple seat rings and guide hole
Between the 6th location hole, a bolt can be through the 6th location hole and the 4th location hole or the 5th location hole by engine cylinder
Lid Primary Location is on location-plate.
In above-mentioned each scheme, the surrounding of the engine cylinder cover offers the 7th location hole passed through for screw, correspondence
, eightth location hole corresponding with the 7th location hole is provided with the location-plate.Using such structure, being easy to will be to be processed
Engine cylinder cover is locked on the positioning device.
Used as improvement, described cleat assembly includes first clamping plate, second clamping plate, locating piece and side guide, described first
Clamping plate is located at the side of location-plate, inclination of the second clamping plate along positioning disk upper surface along the incline direction of positioning disk upper surface
Located at the opposite side of location-plate, the locating piece is for polylith and is respectively symmetrically located at the inner side of first clamping plate, second clamping plate in direction
On face, the side guide can move back and forth between first clamping plate and second clamping plate, and the first clamping plate, second clamping plate
Be respectively arranged with can be to being clamped the regulating bolt that be finely adjusted of position of workpiece at middle part.Using said structure, it is easy to pass through
Fine setting makes the axial line of seat ring to be processed and guide hole align with the axial line of positioner, improves machining accuracy.
It is a kind of using above-mentioned engine cylinder cover top race and the processing method of the process equipment of guide hole, it is characterised in that bag
Include following steps：
(1) adjusting the position of side guide in cleat assembly makes it press close to first clamping plate arrangement, and one end of bolt is inserted
Put in the 4th location hole, the other end is exposed to the upper surface of location-plate, engine cylinder cover to be processed is lifted to location-plate
Between surface upper platen and second clamping plate, it is exposed to the bolt of location-plate upper surface and is plugged in the 6th location hole and will send out
Motivation cylinder cap carries out Primary Location；
(2) adjust first clamping plate, the regulating bolt in the middle part of second clamping plate, trickle regulation second clamping plate or side guide with send out
The distance between motivation cylinder cap, makes guide hole to be processed be centrally located at the first location hole, the second location hole, the 3rd location hole and is total to
On same central axis, screw is then set to be locked at engine cylinder cover through the 7th location hole and corresponding 8th location hole fixed
On the plate of position；
(3) first motors drop to and are contacted with engine cylinder cover, and then, the first motor, the second motor run simultaneously, the
One motor belt motor cutter is ground downwards, and the rotation of the second motor belt motor dynamic positioning system further drives engine cylinder cover rotation, so as to complete
Into the processing of a guide hole；
(4) first motors rise, and make screw exit the 7th location hole and corresponding 8th location hole, and engine cylinder cover is hung
Rise, bolt exits the 4th location hole, adjusting the position of side guide in cleat assembly makes it press close to second clamping plate arrangement, then will
Bolt one end is plugged in the 5th location hole, and the other end is plugged on engine cylinder cover Primary Location in the 6th location hole；
(5) make another guide hole to be processed be centrally located at first by the position of cleat assembly vernier cylinder cap to determine
On the common central axis of position hole, the second location hole, the 3rd location hole, then engine cylinder cover is locked at into location-plate with screw
On；
(6) first motors decline again and run simultaneously with the second motor, carry out the processing of next guide hole；
(7) after guide hole completion of processing, cutter is changed, repeat the above steps, counter race is processed.
In such scheme, the rotating speed of first motor is 3000~6000 turns/min, the rotating speed of second motor
For 2~5 turns/min.
Compared with prior art, it is an advantage of the current invention that：The invention provides one kind is exclusively used in processing engine cylinder cover
The process equipment of top race and guide hole, is provided with the positioning dress of a kind of simple structure and good positioning effect on the process equipment
Put, the positioner positioning precision is high, good reliability, rub with cylinder cap external surface little, effectively prevent and drawn on cylinder cap external surface
The formation of trace, so as to improve conforming product rate to a great extent；The processing method of the present invention can be quick in process
Switching Working position, improves working (machining) efficiency.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention；
Fig. 2 is the structural representation of engine cylinder cover in the embodiment of the present invention；
Fig. 3 is the structural representation of positioner in Fig. 1；
Fig. 4 is the sectional view of Fig. 3；
Fig. 5 is the structural representation of base in Fig. 3；
Fig. 6 is the structural representation of positioning disk in Fig. 3；
Fig. 7 is the structural representation of location-plate in Fig. 3.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Fig. 1~7, the engine cylinder cover top race of the present embodiment and the process equipment of guide hole include pedestal 1, the
One motor 2, cutter 3 and positioner 4, are provided with the assembly wall 11 of vertical arrangement, on the leading flank of the assembly wall 11 on pedestal 1
The slide rail 111 being longitudinally arranged is provided with, it is corresponding, it is provided with the trailing flank of the first motor 2 and the cunning for coordinating is oriented to slide rail 111
Block 21, the first motor 2 by slide rail 111 and slide block 21 can move up and down on the assembly wall 11.Cutter 3 is connected to first
Arrange on the outfan of motor 2 and down, its cutter 3 can be changed according to the difference of structure to be ground.
In the present embodiment, located at the lower section of cutter 3 and to position workpiece to be processed C, positioner 4 is wrapped positioner 4
Include chassis 41, positioning disk 42, location-plate 43, cleat assembly 44, the second motor (not shown), positioning strip 46.Chassis 41 can turn
It is dynamic on pedestal 1, the second motor is connected and can drive bottom located at the lower section of chassis 41, the output shaft of the second motor with chassis 41
Disk 41 rotates.The middle part on chassis 41 is provided with the first location hole 411, and at least two are provided with the upper surface on the chassis 41 near edge
And relative to the T-slot 412 that the first location hole 411 is arranged symmetrically, four T-slots 412 are offered in the present embodiment and is existed respectively
Arranged for interval on circumferencial direction.Positioning disk 42 is on the chassis 41 and upper surface is configured to horizontal by the oblique of 3~4 ° of inclination angles
Face 420, the middle part of the positioning disk 42 is provided with second location hole 421 corresponding with the first location hole 411, and an alignment pin 100 is worn
The second location hole 421, the first location hole 411 are crossed by the Primary Location of positioning disk 42 on chassis 41.Also it is provided with and T on positioning disk 42
The first corresponding connecting hole 422 of shape groove 412, T-slot nut 200 is through first connecting hole 422 and corresponding T-slot 412
The locking of positioning disk 42 is connected on chassis 41.Location-plate 43 is on positioning disk 42 and middle part is provided with and the second location hole 421
The 3rd corresponding location hole 431, and 3~4 ° of inclination angle is formed between the axial line and horizontal plane of the 3rd location hole 431, with
The axial line and the second location hole 421 of the 3rd location hole 431, the axial line of the first location hole 411 is set to be located on straight line.
It is further opened with location-plate 43 near the 3rd location hole 431 and spaced apart 4th location hole 432, the 5th location hole 433, and
The distance between 4th location hole 432 and axial line of the 5th location hole 433 be equal on workpiece to be processed adjacent two seat rings a or
The distance between axial line of guide hole b.Positioning strip 46 is on the upper surface of positioning disk 42 and to carry out to location-plate 43
Primary Location.Positioning strip 46 is perpendicular to the highly relatively low edge arrangement of the incline direction and close positioning disk 42 on inclined-plane 420, positioning
Articles 46 medial surface to the distance of the axial line of the second location hole 421 is equal to it to the distance of the axial line of the 3rd location hole 431.
As shown in figure 3, cleat assembly 44 is located on the upper surface of location-plate 43 along the incline direction of the upper surface of positioning disk 42,
To clamp workpiece to be processed C.Specifically, cleat assembly 44 include first clamping plate 441, second clamping plate 442, locating piece 443 and
Side guide 444, first clamping plate 441 is located at the side of location-plate 43, second clamping plate 442 along the incline direction of the upper surface of positioning disk 42
The opposite side of location-plate 43 is located at along the incline direction of the upper surface of positioning disk 42, locating piece 443 is for four pieces and symmetrical two-by-two respectively
On first clamping plate 441, the medial surface of second clamping plate 442, side guide 444 can move back and forth located at first clamping plate 441
Between second clamping plate 442, and first clamping plate 441, the middle part of second clamping plate 442 be respectively arranged with can be clamped workpiece position
Put the regulating bolt 445 being finely adjusted.Using such structure, in order to pass through to finely tune the axle for making seat ring to be processed and guide hole
Heart line aligns with the axial line of positioner 4, improves machining accuracy.
As shown in Figure 2,3, 4, the in the middle of multiple seat ring a and guide hole b the 6th is provided with the middle part of engine cylinder cover to determine
Position hole 10 a, bolt 20 can pass through the 6th location hole 10 and the 4th location hole 432 or the 5th location hole 433 by electromotor
Cylinder cap Primary Location is on location-plate 43.The surrounding of engine cylinder cover offers the 7th location hole 40 passed through for screw 30, right
Answer, eightth location hole 50 corresponding with the 7th location hole 40 is provided with location-plate 43, in order to by engine cylinder to be processed
Cover locking is on positioner 4.
When assembling to above-mentioned positioner 4, positioning disk 42 is placed on the upper surface on chassis 41, and makes second to determine
Position hole 421 is alignd with the first location hole 411, makes alignment pin 100 pass through the second location hole 421, the first location hole 411 by positioning disk
42 Primary Location make T-slot nut 200 to determine through the first connecting hole 422 and corresponding T-slot 412 on chassis 41, then
The position locking of disk 42 is connected on chassis 41；Then, positioning strip 46 is fixed by screws on positioning disk 42, is location-plate 43
Installation site carries out Primary Location；The edge for making location-plate 43 presses close to the inside edge of positioning strip 46 and is placed on positioning disk 42
On, and make the 3rd location hole 431 align with the second location hole 421, then connecting hole 434,423 is passed through by location-plate with screw
43 are locked on positioning disk 42；Finally, cleat assembly 44 is arranged on location-plate 43.
Used in the present embodiment the processing method of the process equipment of above-mentioned engine cylinder cover top race and guide hole include with
Lower step：
(1) adjusting the position of side guide 444 in cleat assembly 44 makes it press close to first clamping plate 441 to arrange, by bolt
20 one end is plugged in the 4th location hole 432, and the other end is exposed to the upper surface of location-plate 43, by engine cylinder cover to be processed
Lift between the upper surface upper platen 444 of location-plate 43 and second clamping plate 442, be exposed to the positioning spiral shell of the upper surface of location-plate 43
Bolt 20 is plugged in the 6th location hole 10 and for engine cylinder cover to carry out Primary Location；
(2) first clamping plate 441, the regulating bolt 445 at the middle part of second clamping plate 442, trickle regulation second clamping plate 442 are adjusted
The distance between or side guide 444 and engine cylinder cover, make guide hole b to be processed be centrally located at the first location hole 411, second
On the common central axis of location hole 421, the 3rd location hole 431, screw 30 is then made through the 7th location hole 40 and corresponding
8th location hole 50 is locked at engine cylinder cover on location-plate 43；
(3) first motors 2 drop to and are contacted with engine cylinder cover, and then, the first motor 2, the second motor run simultaneously,
The rotating speed of the first motor 2 is 3000~6000 turns/min, and the rotating speed of the second motor is 2~5 turns/min；First motor 2 is with moving knife
The grinding downwards of tool 3, the rotation of the second motor belt motor dynamic positioning system 4 further drives engine cylinder cover rotation, so as to complete a conduit
The processing of hole b；
(4) first motors 2 rise, and make screw 30 exit the 7th location hole 40 and corresponding 8th location hole 50, will start
Machine cylinder cap is sling, and bolt 20 exits the 4th location hole 432, adjusts the position of side guide 444 in cleat assembly 44 and pastes it
Nearly second clamping plate 442 is arranged, then the one end of bolt 20 is plugged in the 5th location hole 433, and the other end is plugged on the 6th to be determined
By engine cylinder cover Primary Location in the hole 10 of position；
(5) another guide hole b to be processed is made to be centrally located at first by the position of the vernier cylinder cap of cleat assembly 4
On the common central axis of location hole 411, the second location hole 421, the 3rd location hole 431, then with screw 300 by engine cylinder
Cover locking is on location-plate 43；
(6) first motors 2 decline again and run simultaneously with the second motor, carry out the processing of next guide hole b；
(7) after guide hole b completion of processing, cutter is changed, repeat the above steps, counter race a is processed.
Claims (7)
1. a kind of process equipment of engine cylinder cover top race and guide hole, including pedestal, the first motor, cutter and positioning dress
Put, be provided with the assembly wall of vertical arrangement on the pedestal, first motor can move up and down on the assembly wall, institute
State cutter to be connected on the outfan of the first motor and arrange down, the positioner is treated located at cutter lower section and to position
Processing workpiece, it is characterised in that：Described positioner includes
Chassis, can rotate on pedestal, the first location hole is provided with the middle part of the chassis, be provided with the upper surface on the chassis to
Few two close edges and the T-slot being arranged symmetrically relative to the first location hole；
Positioning disk, simultaneously upper surface is configured to the inclined-plane horizontal by 3~4 ° of inclination angles on chassis, opens in the middle part of the positioning disk
There is second location hole corresponding with the first location hole, first connecting hole corresponding with T-slot, T are also provided with the positioning disk
Shape groove nut is connected to positioning disk locking on chassis through first connecting hole and corresponding T-slot；
Location-plate, simultaneously middle part is provided with threeth location hole corresponding with the second location hole, and the 3rd positioning on positioning disk
3~4 ° of inclination angle is formed between the axial line and horizontal plane in hole, between close 3rd location hole is further opened with the location-plate simultaneously
Every the 4th location hole, the 5th location hole of arrangement, and the distance between the axial line of the 4th location hole and the 5th location hole etc.
The distance between axial line of adjacent two seat ring or guide hole on workpiece to be processed；
Cleat assembly, the cleat assembly is located on the upper surface of location-plate, to clamp along the incline direction of positioning disk upper surface
Workpiece to be processed；And
Second motor, on pedestal and positioned at chassis lower section, the output shaft of second motor is connected and energy band with chassis
Dynamic chassis rotation.
2. the process equipment of engine cylinder cover top race according to claim 1 and guide hole, it is characterised in that：It is described fixed
The positioning strip to carry out Primary Location to location-plate is additionally provided with the upper surface of position disk, the positioning strip is perpendicular to the inclined-plane
Incline direction and near positioning disk it is highly relatively low edge arrangement, the medial surface of the positioning strip is to the second location hole axial line
Distance be equal to its to the 3rd location hole axial line distance.
3. the process equipment of engine cylinder cover top race according to claim 1 and guide hole, it is characterised in that：Described
The 6th location hole being provided with the middle part of motivation cylinder cap in the middle of multiple seat rings and guide hole a, bolt can pass through the 6th
Location hole and the 4th location hole or the 5th location hole are by engine cylinder cover Primary Location on location-plate.
4. the process equipment of engine cylinder cover top race according to claim 3 and guide hole, it is characterised in that：Described
The surrounding of motivation cylinder cap offers the 7th location hole passed through for screw, corresponding, is provided with the location-plate and the 7th positioning
The 8th corresponding location hole of hole.
5. the process equipment of engine cylinder cover top race according to claim 4 and guide hole, it is characterised in that：Described
Cleat assembly includes first clamping plate, second clamping plate, locating piece and side guide, inclination of the first clamping plate along positioning disk upper surface
Direction is located at the opposite side of location-plate along the incline direction of positioning disk upper surface located at the side of location-plate, the second clamping plate,
The locating piece is polylith and to be respectively symmetrically on first clamping plate, the medial surface of second clamping plate, and the side guide can be moving back
It is dynamic between first clamping plate and second clamping plate, and be respectively arranged with the middle part of the first clamping plate, second clamping plate can be to quilt
The regulating bolt that the position of clamping workpiece is finely adjusted.
6. the processing method that a kind of usage right requires the process equipment of engine cylinder cover top race and guide hole described in 5, it is special
Levy is to comprise the following steps：
(1) adjusting the position of side guide in cleat assembly makes it press close to first clamping plate arrangement, and one end of bolt is plugged on
In 4th location hole, the other end is exposed to the upper surface of location-plate, and engine cylinder cover to be processed is lifted to location-plate upper surface
Between upper platen and second clamping plate, it is exposed to the bolt of location-plate upper surface and is plugged on electromotor in the 6th location hole
Cylinder cap carries out Primary Location；
(2) first clamping plate, the regulating bolt in the middle part of second clamping plate are adjusted, trickle regulation second clamping plate or side guide and electromotor
The distance between cylinder cap, makes guide hole to be processed be centrally located at the first location hole, the second location hole, the 3rd location hole common
On central axis, then make screw that engine cylinder cover are locked at into location-plate through the 7th location hole and corresponding 8th location hole
On；
(3) first motors drop to and are contacted with engine cylinder cover, and then, the first motor, the second motor run simultaneously, and first is electric
Machine band cutter is ground downwards, and the rotation of the second motor belt motor dynamic positioning system further drives engine cylinder cover rotation, so as to complete one
The processing of individual guide hole；
(4) first motors rise, and make screw exit the 7th location hole and corresponding 8th location hole, and engine cylinder cover is sling,
Bolt exits the 4th location hole, and adjusting the position of side guide in cleat assembly makes it press close to second clamping plate arrangement, then will be fixed
Position bolt one end is plugged in the 5th location hole, and the other end is plugged on engine cylinder cover Primary Location in the 6th location hole；
(5) another guide hole to be processed is made to be centrally located at the first positioning by the position of cleat assembly vernier cylinder cap
On the common central axis of hole, the second location hole, the 3rd location hole, then engine cylinder cover is locked at into location-plate with screw
On；
(6) first motors decline again and run simultaneously with the second motor, carry out the processing of next guide hole；
(7) after guide hole completion of processing, cutter is changed, repeat the above steps, counter race is processed.
7. processing method according to claim 6, it is characterised in that：The rotating speed of first motor is 3000~6000
Turn/min, the rotating speed of second motor is 2~5 turns/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611101788.0A CN106670849B (en) | 2016-12-02 | 2016-12-02 | The process equipment and processing method of engine cylinder cover top race and guide hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611101788.0A CN106670849B (en) | 2016-12-02 | 2016-12-02 | The process equipment and processing method of engine cylinder cover top race and guide hole |
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| CN106670849A true CN106670849A (en) | 2017-05-17 |
| CN106670849B CN106670849B (en) | 2019-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113021063A (en) * | 2021-03-18 | 2021-06-25 | 长沙民政职业技术学院 | High-quality metal handicraft processingequipment |
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| CN103586539A (en) * | 2013-11-07 | 2014-02-19 | 江苏中强内燃机配件有限公司 | Valve retainer and valve guide pipe once-forming device |
| CN204036040U (en) * | 2014-07-07 | 2014-12-24 | 宝山钢铁股份有限公司 | The spline positioning processing device in cam-type axial piston pump cylinder body nine hole |
| CN204584795U (en) * | 2015-04-27 | 2015-08-26 | 芜湖市甬微制冷配件制造有限公司 | Cylinder bottom outlet chamfering clamp |
| CN205166466U (en) * | 2015-12-09 | 2016-04-20 | 贵州航天风华精密设备有限公司 | Radial coaxial irregularly -shaped hole of multilayer part processing frock |
| CN105965279A (en) * | 2016-06-06 | 2016-09-28 | 湖北三江航天万峰科技发展有限公司 | Rotary positioning machining rotary table |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113021063A (en) * | 2021-03-18 | 2021-06-25 | 长沙民政职业技术学院 | High-quality metal handicraft processingequipment |
| CN113021063B (en) * | 2021-03-18 | 2022-08-09 | 长沙民政职业技术学院 | High-quality metal handicraft processingequipment |
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