CN105881057A - Positioning clamp for machining annular piece end face hole in double-stand-column drilling machine - Google Patents
Positioning clamp for machining annular piece end face hole in double-stand-column drilling machine Download PDFInfo
- Publication number
- CN105881057A CN105881057A CN201610398323.XA CN201610398323A CN105881057A CN 105881057 A CN105881057 A CN 105881057A CN 201610398323 A CN201610398323 A CN 201610398323A CN 105881057 A CN105881057 A CN 105881057A
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- Prior art keywords
- pair
- drilling machine
- seat
- positioning fixture
- face hole
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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
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/22—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work
- B23Q17/2291—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring existing or desired position of tool or work for adjusting the workpiece relative to the holder thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a positioning clamp for machining an annular piece end face hole in a double-stand-column drilling machine. The positioning clamp comprises a rotating center mechanism, three clamping jaw sets and a concentric self-checking device 3. The rotating center mechanism comprises a lower base, a central spindle, a large bevel gear, an upper base and an operation handle. The three clamping jaw sets are connected to the rotating center mechanism in the mode that the included angle between every two adjacent clamping jaw sets is 120 degrees. Each clamping jaw set comprises a base plate, a ball screw, a small bevel gear, a pair of sliding rails and a clamping jaw. The concentric self-checking device comprises a pair of supporting shafts, an auxiliary stretchable rod, a perpendicular rod and a dial indicator. The positioning clamp is simple in structure, convenient to operate during positioning, large in clamping force, good in workpiece positioning and centering effect and capable of meeting the machining requirement for circular rings of various specifications and diameters.
Description
Technical field
The present invention relates to process on a kind of pair of column drilling machine the positioning fixture of annular element end-face hole.
Background technology
At present in the machining of metal, in order to cut the end-face hole of annular workpieces, it is necessary in advance to be added
The annular workpieces of work is positioned on used lathe.In current all localization methods, mainly have and one be
Use the method location of universal chuck；Two is the method location using bolt location to add manual synchronizing；Three is to adopt
Position by the method for collet；Four is the method location using mandrel.In above-mentioned localization method, adopt
Although positioning by the method for universal chuck and having the advantages that precision is high, but for the annular workpieces of major diameter,
The general chuck without corresponding big specification.The processing of the end-face hole of annular workpieces is generally enterprising at double column drilling machines
Row, for processing on double column drilling machines, annular element is the most insoluble is exactly the clamping of workpiece and location is asked
Topic.Owing to the work top of double column drilling machines is a rectangular table top, centre be covered with many rules longitudinally and
Horizontal T-slot, so must use the positioning form of scroll chuck to carry out clamping workpiece.Due to whole frock
During mounting or dismounting more complicated, need the regular hour, thus as far as possible design when chuck
Stroke Control in the biggest stage, to meet processing workpiece the biggest on this lathe.
Summary of the invention
It is an object of the invention to overcome the defect of prior art to provide and process ring on a kind of double column drilling machine
The positioning fixture of shape part end-face hole, it is not only simple in structure, easy to operate during location, and clamping force is big, and work
The location centering effect of part is good, adapts to the processing needs of all size diameter annulus.
The object of the present invention is achieved like this: processes the location of annular element end-face hole on a kind of pair of column drilling machine
Fixture, including center of rotation mechanism and three dog group, wherein,
Described center of rotation mechanism includes seat, a mandrel, a large helical gear, the seat of honour and operation handle；
Wherein, described lower seat is fixed on the work top of described drilling machine；A lower bearing is passed through in the bottom of described mandrel
Mechanism is arranged in the inner chamber of described lower seat；Described large helical gear is arranged on the middle part of described mandrel and is positioned at institute
State the top of lower seat；The described seat of honour is arranged on the top of described mandrel by a upper bearing (metal) mechanism；Described operation
Handle is arranged on the upper end of described mandrel；
Three dog group are connected in described center of rotation mechanism in the way of angle is 120 °；Each claw
Group includes a base plate, a ball screw, a bevel pinion, a pair slide rail and a claw；Wherein, the described end
Plate is fixed on the work top of described drilling machine；Described ball screw is arranged on along the length direction of described base plate
The surface middle part of described base plate；Described bevel pinion be arranged on described ball screw inner termination and with described rotation
The large helical gear engagement turning central authority connects；The pair of slide rail is fixed with described ball screw for axis of symmetry
On the surface of described base plate；Described claw is arranged on described ball screw by a nut seat and by one
Padded slide block is arranged on a pair slide rail.
The positioning fixture of annular element end-face hole, wherein, described positioning fixture is processed on above-mentioned double column drilling machines
Also include a concentric self-checking unit, this concentric self-checking unit include a pair support shaft, a secondary expansion link, one
Vertical rod and a dial gauge；Wherein, the pair of support shaft is hung down and is straightly arranged on the upper end at the described seat of honour；
Described one secondary expansion link level is arranged on the upper end of the pair of support shaft to setting and inner termination；Described vertical
Straight-bar is arranged on the external end head of described expansion link；Described dial gauge is arranged on the bottom of described vertical rod.
The positioning fixture of annular element end-face hole, wherein, described concentric self-inspection is processed on above-mentioned double column drilling machines
Device also includes a sag-resistant mechanism, and this sag-resistant mechanism includes that one is vertically installed on described expansion link
Screw rod, one it is connected to the roller cover of lower end of screw rod, the roller of bottom being horizontally arranged on roller cover
Axle and one is sleeved on the bearing roller on roller shaft.
Processing the positioning fixture of annular element end-face hole on above-mentioned double column drilling machines, wherein, described claw includes
The claw base and one being arranged on described nut seat and a pair padded slide block is arranged on claw base by key
On L-shaped claw body.
The positioning fixture of annular element end-face hole, wherein, described lower seat and the end is processed on above-mentioned double column drilling machines
Plate is by T-shaped block and is bolted on the work top of described drilling machine.
The positioning fixture of annular element end-face hole, wherein, described bevel pinion is processed on above-mentioned double column drilling machines
The inner termination of described ball screw it is arranged on by shaft coupling.
The positioning fixture of annular element end-face hole, wherein, described ball screw is processed on above-mentioned double column drilling machines
Two be arranged on described base plate by the bearing block of a keel and band bearing respectively.
The positioning fixture of annular element end-face hole, wherein, described lower bearing machine is processed on above-mentioned double column drilling machines
Structure includes a pair being arranged in the inner chamber of lower seat and be sleeved on the lower bearing of described mandrel bottom, one is arranged on one
To the upper end cover of the lower spacer between lower bearing and the upper and lower side being arranged on described lower seat correspondingly and under
End cap.
The positioning fixture of annular element end-face hole, wherein, described upper bearing (metal) machine is processed on above-mentioned double column drilling machines
Structure include one be arranged in the inner chamber at the seat of honour and be sleeved on the inner spacing collar in the middle part of described mandrel, be arranged on for a pair in
Upper bearing (metal) on spacer, one be sleeved on the periphery of inner spacing collar middle spacer between a pair upper bearing (metal), one
It is arranged on the outer separator between a pair upper bearing (metal) and and is arranged on the upper flap of upper end, the described seat of honour.
The positioning fixture of annular element end-face hole, wherein, described expansion link bag is processed on above-mentioned double column drilling machines
Include one hollow and radially offer on wall the long expansion link of some screwed holes, one one be plugged on length
Short expansion link in the endoporus of expansion link and some some screwed holes being arranged on long expansion link correspondingly
In only top fastening bolt.
Process the positioning fixture of annular element end-face hole on double column drilling machines of the present invention, one workpiece in location is installed
Have only to a quarter, after location being installed compared to former each workpiece, be also performed to 3 mensuration, to position, the center of circle
The calculating put, the installation location of a workpiece is accomplished by one and a half hours to two hours, is greatly saved work
Time to wait in the part course of processing.The positioning fixture of the present invention also has the advantage that
1. the positioning fixture of the present invention can carry out the detection of oneself's precision, it is to avoid due to Rig up error during installation
The center of circle self-defining with table top, the workpiece center of circle causing three installed location of claw is misaligned；
2. the positioning fixture of the present invention is after installation and debugging complete, except unit one needs to check circle
The heart, below without checking, and dismount simple, repeatable accuracy is high；
3. the positioning fixture of the present invention can carry out clamping to the external diameter of annular workpieces or internal diameter, it is not necessary to annular
The outer rim of workpiece or inner edge are all full circle simultaneously, therefore the suitability is more extensive.
Accompanying drawing explanation
Fig. 1 is the front view of the positioning fixture processing annular element end-face hole on double column drilling machines of the present invention；
Fig. 2 is the I position enlarged drawing in Fig. 1；
Fig. 3 is the P position enlarged drawing in Fig. 1；
Fig. 4 is the top view of Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1 and Fig. 2, the double column drilling machine of the present invention processed the positioning fixture of annular element end-face hole,
Including 1, three dog group 2 of center of rotation mechanism and concentric self-checking unit 3.
Center of rotation mechanism 1 includes seat 10, mandrel 11, large helical gear 15, seat of honour 16 and
One operation handle (not shown)；Wherein:
Lower seat 10 by two T-shaped blocks and is bolted on the work top 4 of drilling machine；
The bottom of mandrel 11 is arranged in the inner chamber of lower seat 10 by Bearning mechanism once；
Lower bearing mechanism includes the lower axle being arranged in the inner chamber of lower seat 10 and being sleeved on mandrel 11 bottom a pair
Hold 12, one be arranged on the lower spacer 120 between a pair lower bearing 12 and be arranged on lower seat 10 correspondingly
The upper end cover 13 of upper and lower side and bottom end cover 14；
Large helical gear 15 is arranged on the middle part of mandrel 11 and is positioned at the top of lower seat 10 by upper spacer 150；
The seat of honour 16 is arranged on the top of mandrel 11 by two nuts 151 and a upper bearing (metal) mechanism；
Upper bearing (metal) mechanism includes in an inner chamber being arranged on the seat of honour 16 and is enclosed within the inner spacing collar in the middle part of mandrel 11
160, the upper bearing (metal) 17, being arranged on for a pair on inner spacing collar 160 is sleeved on the peripheral of inner spacing collar 160 position
The outer separator 172 that middle spacer 171, between a pair upper bearing (metal) 17 is arranged between a pair upper bearing (metal) 17
With a upper flap 18 being arranged on upper end, the seat of honour 16；
Operation handle is arranged on the upper end of mandrel 11.
Three dog group 2 are connected in center of rotation mechanism 1 in the way of angle is 120 °.
Each dog group 2 includes base plate 20, ball screw 21, bevel pinion 24, a pair slide rail
26 and a claw 27；Wherein:
Offering two row's kidney-shaped installing holes on the surface of base plate 20, this base plate 20 is fixed by T-shaped block and bolt
On the work top 4 of drilling machine；
Ball screw 21 is arranged on the surface middle part of base plate 20 along the length direction of base plate 20；This ball wire
Two of bar 21 is inserted in the bearing block 22 of a band bearing respectively, and the bearing block 22 of this band bearing passes through
One keel 23 is fixed on the surface of base plate 20；
Bevel pinion 24 by shaft coupling 25 be arranged on ball screw 21 inner termination and with center of rotation machine
Large helical gear 16 engagement of structure 1 connects；
A pair slide rail 26 is fixed on the surface of base plate 20 with ball screw 21 for axis of symmetry；
Claw 27 is arranged on ball screw 21 by a nut seat 28 and is pacified by a pair padded slide block 29
It is contained on a pair slide rail 26；Claw 27 includes the card being arranged on nut seat 28 and a pair padded slide block 29
Pawl base 270 and a L-shaped claw body 271 being arranged on claw base 270 by key.
Self-checking unit 3 includes a pair support shaft 31, secondary expansion link, vertical rod 33, percentage with one heart
Table 34 and sag-resistant mechanism；Wherein:
A pair support shaft 31 is hung down and is straightly arranged on the upper end at the seat of honour 16；
One secondary expansion link level is arranged on the upper end of a pair support shaft 31 to setting and inner termination, this pair
Expansion link includes a long expansion link 321, that is hollow and that radially offer some screwed holes on wall
Short expansion link 322 that inner termination is plugged in the endoporus of long expansion link 321 and three are arranged on correspondingly
Only top fastening bolt 323 in three screwed holes of long expansion link 321；
Vertical rod 33 is arranged on the external end head of short expansion link 322；
Dial gauge 34 is arranged on the bottom of vertical rod 33；
Sag-resistant mechanism includes that a screw rod 351, being vertically installed on short expansion link 322 is connected to spiral shell
The roller cover 352, one of the lower end of bar 351 is horizontally arranged on the roller shaft 353 of the bottom of roller cover 352
With a bearing roller 354 being sleeved on roller shaft 353.This sag-resistant mechanism can either facilitate in detection same
Along the upper surface flexible rotating of workpiece during the heart, again can be when detecting large-diameter workpiece, due to expansion link stretching
Oversize and occur that outer end is sagging, play the effect of support,
The positioning fixture of annular element end-face hole is processed, by the end of dog group 2 on double column drilling machines of the present invention
The kidney-shaped installing hole offered on plate 20, it is possible to make three dog group 2 equal centered by center of rotation mechanism 1
It is fixed on the work top 4 of drilling machine cloth (angle is 120 °)；By in center of rotation mechanism 1
Operation handle, can control the movement of the claw 27 being positioned on ball screw 21 easily；By controlling claw
The gear ratio between bevel pinion 24 and the large helical gear 15 in center of rotation mechanism 1 in group 2 reaches
Change the purpose of claw 27 translational speed so that the expansion of claw 27 and contraction speed reach relatively reasonable
State.
Easy self-checking unit 3, this device with one heart installed above at the seat of honour 16 of center of rotation mechanism 1
When preliminary this positioning fixture of installation, three claws 27 can be carried out concentric locating detection.
When positioning fixture is tentatively installed, the annular workpieces 5 of a standard is needed to calibrate three dog group 2
Concentricity precision, first positioning fixture is tentatively installed and puts in place, the most first by the kidney-shaped on one of them base plate 20
The dog group 2 that installing hole is vertical with its length direction is transversely mounted on the work top 4 of drilling machine (with brill
Horizontal T-slot on the work top 4 of bed is parallel), then by two other dog group 2 with the most mounted
Dog group 2 respectively becomes 120 ° of at an angles to be arranged on the (end of the two dog group 2 on the work top 4 of drilling machine
The kidney-shaped installing hole offered on plate 20 is parallel with its length direction), then a standard component 5 by contour
Propping up bracer 50 to be placed in three dog group 2, clamp standard component 5 with three claws 27, Fig. 2 is shown that
Three claws 27 are clamped on the inner headed face of standard component 5, by the infra-red ray detection device installed on drilling machine,
Whether the center of circle of standard component 5 after detection clamping is in same point with the center of circle of the mandrel 11 passing the seat of honour 16,
If not same point, need by concentric self-checking unit 3 detect between three claws 27 concentric, will
The push rod of the dial gauge 34 of self-checking unit 3 leans against the lateral surface of standard component 5 with one heart, simultaneously by sag-resistant machine
The bearing roller 354 of structure is against the upper surface of standard component 5, rotates concentric self-checking unit 3, makes dial gauge 34
Periphery along standard component 5 turns around, and observes dial gauge 34 and just can measure the offset numbers of certain claw 27
Value, then the position of this claw 27 is finely tuned by operation handle, concentric to ensure three claws 27.Adjust
After remove concentric self-checking unit 3, just can carry out machined of annular element end-face hole, then set drilling machine
Center be this circle centre position, without detecting the center of circle of whole workpiece when can install location workpiece after making, only
Whether the home position needing every day and detecting the mandrel 11 in a seat of honour 16 is varied from.After do so
Make the workpiece can quickly and accurately repeated clamping.
To be clamped in the periphery of standard component 5, first three claw bodies 271 are reversibly mounted at the bottom of claw
Seat 270 on and be displaced outwardly expansion, the inner side that standard component 5 is placed in claw body 271 can clamp.
After using the positioning fixture of the present invention, one workpiece in location is installed and has only to a quarter, compared in the past
Each workpiece is also performed to 3 mensuration and the calculating to home position, the installation of a workpiece after installing location
Location is accomplished by one and a half hours to two hours, the time to wait being greatly saved in workpiece process.
The positioning fixture of the present invention, the diameter of work installing location is 1.5 meters to 4 meters, and height is 100mm
To 300mm, the precision of its repeated clamping is within 0.05mm, while guaranteed efficiency, it is also possible to ensure
Higher repeated clamping precision.
1. the positioning fixture of the present invention can carry out the detection of oneself's precision, it is to avoid due to Rig up error during installation
The center of circle self-defining with table top, the workpiece center of circle causing three installed location of claw is misaligned；
2. the positioning fixture of the present invention is after installation and debugging complete, except unit one needs to check circle
The heart, below without checking, and dismount simple, repeatable accuracy is high；
3. the positioning fixture of the present invention can carry out clamping to the external diameter of annular workpieces or internal diameter, it is not necessary to annular
The outer rim of workpiece or inner edge are all full circle simultaneously, therefore the suitability is more extensive.
Above example is used for illustrative purposes only, rather than limitation of the present invention, relevant technical field
Technical staff, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or change
Type, the technical scheme of the most all equivalents also should belong to scope of the invention, should be limited by each claim
Fixed.
Claims (10)
1. on double column drilling machines, process a positioning fixture for annular element end-face hole, including center of rotation mechanism and
Three dog group, it is characterised in that
Described center of rotation mechanism includes seat, a mandrel, a large helical gear, the seat of honour and operation handle；
Wherein, described lower seat is fixed on the work top of described drilling machine；A lower bearing is passed through in the bottom of described mandrel
Mechanism is arranged in the inner chamber of described lower seat；Described large helical gear is arranged on the middle part of described mandrel and is positioned at institute
State the top of lower seat；The described seat of honour is arranged on the top of described mandrel by a upper bearing (metal) mechanism；Described operation
Handle is arranged on the upper end of described mandrel；
Three dog group are connected in described center of rotation mechanism in the way of angle is 120 °；Each claw
Group includes a base plate, a ball screw, a bevel pinion, a pair slide rail and a claw；Wherein, the described end
Plate is fixed on the work top of described drilling machine；Described ball screw is arranged on along the length direction of described base plate
The surface middle part of described base plate；Described bevel pinion be arranged on described ball screw inner termination and with described rotation
The large helical gear engagement turning central authority connects；The pair of slide rail is fixed with described ball screw for axis of symmetry
On the surface of described base plate；Described claw is arranged on described ball screw by a nut seat and by one
Padded slide block is arranged on a pair slide rail.
The positioning fixture of annular element end-face hole is processed on the most according to claim 1 pair of column drilling machine, its
Being characterised by, described positioning fixture also includes a concentric self-checking unit, and this concentric self-checking unit includes a pair
Support shaft, a secondary expansion link, a vertical rod and a dial gauge；Wherein, the pair of support shaft is hung down straightly
It is arranged on the upper end at the described seat of honour；Described one secondary expansion link level is arranged on described one to setting and inner termination
Upper end to support shaft；Described vertical rod is arranged on the external end head of described expansion link；Described dial gauge is arranged on
The bottom of described vertical rod.
The positioning fixture of annular element end-face hole is processed on the most according to claim 2 pair of column drilling machine, its
Being characterised by, described concentric self-checking unit also includes a sag-resistant mechanism, and this sag-resistant mechanism includes that one is vertical
Be arranged on the screw rod on described expansion link, one be connected to the roller cover of lower end of screw rod, one horizontally pacify
It is contained in the bearing roller that the roller shaft and of the bottom of roller cover is sleeved on roller shaft.
The positioning fixture of annular element end-face hole is processed on the most according to claim 1 pair of column drilling machine, its
Being characterised by, described claw includes the claw base and being arranged on described nut seat and a pair padded slide block
The L-shaped claw body being arranged on claw base by key.
The positioning fixture of annular element end-face hole is processed on the most according to claim 1 pair of column drilling machine, its
Being characterised by, described lower seat and base plate by T-shaped block and are bolted on the work top of described drilling machine.
The positioning fixture of annular element end-face hole is processed on the most according to claim 1 pair of column drilling machine, its
Being characterised by, described bevel pinion is arranged on the inner termination of described ball screw by shaft coupling.
The positioning fixture of annular element end-face hole is processed on the most according to claim 1 pair of column drilling machine, its
Being characterised by, two of described ball screw is arranged on institute by the bearing block of a keel and band bearing respectively
State on base plate.
The positioning fixture of annular element end-face hole is processed on the most according to claim 1 pair of column drilling machine, its
Being characterised by, described lower bearing mechanism includes a pair being arranged in the inner chamber of lower seat and being sleeved under described mandrel
The lower bearing in portion, a lower spacer being arranged between a pair lower bearing and be arranged on described lower seat correspondingly
The upper end cover of upper and lower side and bottom end cover.
The positioning fixture of annular element end-face hole is processed on the most according to claim 1 pair of column drilling machine, its
Being characterised by, described upper bearing (metal) mechanism includes that one is arranged in the inner chamber at the seat of honour and is sleeved in the middle part of described mandrel
Inner spacing collar, the upper bearing (metal) being arranged on inner spacing collar for a pair, one be sleeved on the periphery of inner spacing collar and be positioned at a pair
Middle spacer between upper bearing (metal), one it is arranged on the outer separator between a pair upper bearing (metal) and and is arranged on the described seat of honour
The upper flap of upper end.
The positioning fixture of annular element end-face hole is processed on the most according to claim 1 pair of column drilling machine,
It is characterized in that, described expansion link includes a length that is hollow and that radially offer some screwed holes on wall
Short expansion link in expansion link, the endoporus being plugged on long expansion link and some install correspondingly
Only top fastening bolt in some screwed holes of long expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398323.XA CN105881057B (en) | 2016-06-07 | 2016-06-07 | The positioning fixture of annular element end-face hole is processed on double column drilling machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610398323.XA CN105881057B (en) | 2016-06-07 | 2016-06-07 | The positioning fixture of annular element end-face hole is processed on double column drilling machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105881057A true CN105881057A (en) | 2016-08-24 |
| CN105881057B CN105881057B (en) | 2017-12-05 |
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| CN201610398323.XA Active CN105881057B (en) | 2016-06-07 | 2016-06-07 | The positioning fixture of annular element end-face hole is processed on double column drilling machines |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107717559A (en) * | 2017-10-09 | 2018-02-23 | 蓝思科技（长沙）有限公司 | A kind of CNC machine and its cylinder clamp on-line checking foolproof method and system |
| CN110308494A (en) * | 2018-03-20 | 2019-10-08 | 青岛海尔滚筒洗衣机有限公司 | A kind of small Bearing testing jig of washing machine outer cylinder |
| CN110307977A (en) * | 2018-03-20 | 2019-10-08 | 青岛海尔滚筒洗衣机有限公司 | A kind of big Bearing testing tool of washing machine outer cylinder |
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| JP2016087707A (en) * | 2014-10-29 | 2016-05-23 | マキノジェイ株式会社 | Processing device |
| CN205673885U (en) * | 2016-06-07 | 2016-11-09 | 上海联合滚动轴承有限公司 | The positioning fixture of annular element end-face hole is processed on double column drilling machines |
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| CN107717559A (en) * | 2017-10-09 | 2018-02-23 | 蓝思科技（长沙）有限公司 | A kind of CNC machine and its cylinder clamp on-line checking foolproof method and system |
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| CN110307977A (en) * | 2018-03-20 | 2019-10-08 | 青岛海尔滚筒洗衣机有限公司 | A kind of big Bearing testing tool of washing machine outer cylinder |
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