CN106426587B - A kind of adjustable nonmetallic inorganic capillary centre bore fillet grinder - Google Patents
A kind of adjustable nonmetallic inorganic capillary centre bore fillet grinder Download PDFInfo
- Publication number
- CN106426587B CN106426587B CN201610940008.5A CN201610940008A CN106426587B CN 106426587 B CN106426587 B CN 106426587B CN 201610940008 A CN201610940008 A CN 201610940008A CN 106426587 B CN106426587 B CN 106426587B
- Authority
- CN
- China
- Prior art keywords
- quartz capillary
- lapping liquid
- linear carrier
- capillary
- liquid linear
- 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.)
- Expired - Fee Related
Links
- 239000010453 quartz Substances 0.000 claims abstract description 57
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 49
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 238000000227 grinding Methods 0.000 claims description 9
- 239000003351 stiffener Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000003801 milling Methods 0.000 description 4
- 239000013307 optical fiber Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000010437 gem Substances 0.000 description 2
- 229910001751 gemstone Inorganic materials 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/04—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
- B28D5/045—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools by cutting with wires or closed-loop blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/007—Use, recovery or regeneration of abrasive mediums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/0082—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The present invention relates to a kind of adjustable nonmetallic inorganic capillary centre bore fillet grinders, it is characterised in that：The upper surface of supporting rack apart from horizontal plane certain distance, support frame as described above is equipped with riser, and the side adjustable installing of riser has swinging quartz capillary clamping device, swinging quartz capillary clamping device to connect driving device；Driving device moves up and down with swinging quartz capillary clamping device；Being loaded on the quartz capillary clamping device has hollow quartz capillary, quartz capillary vertical support frame, the lapping liquid linear carrier that hardness is less than quartz capillary is installed in the quartz capillary, the upper end of the lapping liquid linear carrier connects lapping liquid linear carrier drawing mechanism, the lower end of lapping liquid linear carrier passes through in quartz capillary and extends certain length, and weight is connected in the lower end of lapping liquid linear carrier.The present invention has many advantages, such as that simple in structure, easy to use, the range of work is wide, improves working efficiency and processing quality.
Description
Technical field
The invention belongs to quartz capillary processing technique fields, more particularly to a kind of adjustable nonmetallic inorganic capillary
Centre bore fillet grinder.
Background technology
Currently, the apertures such as jewel, ceramics, quartz device plays the work of connection coupling in optical signal transmission and sensory field
With the diameter of endoporus is generally 0.1mm~0.18mm, and optical fiber is through in capillary, in order in an assembling process can be by optical fiber
It smoothly imports, needs to do inner chamfer processing in one end of aperture, in an assembling process can smoothly to import optical fiber.Due to
Jewel, ceramics, quartz belong to the processing of hard brittle material difficulty, do inner chamfer processing, rough surface, shape using taper jewelling tool at present
Shape is irregular, and generating sharp edge in chamfering and straight hole joining place is easy to scratch optical fiber, causes light loss.
Invention content
The present invention provides a kind of simple in structure, easy to use, raising to solve technical problem present in known technology
The adjustable nonmetallic inorganic capillary centre bore fillet grinder of working efficiency and processing quality.
The present invention is adopted the technical scheme that solve technical problem present in known technology：
A kind of adjustable nonmetallic inorganic capillary centre bore fillet grinder, it is characterised in that：It is certain apart from horizontal plane
The upper surface of the supporting rack of distance, support frame as described above is equipped with riser, and the riser, which is equipped with, adjusts elongated slot；The one of the riser
Side adjustable installing has swinging quartz capillary clamping device, the swinging quartz capillary clamping device connection driving dress
It sets；The driving device includes driving motor, the driving wheel mounted on motor output end, and the driving wheel is connected by driving member
The driven drive member on hollow type rotating shaft is connect, the shell of the driving motor is mounted on quartz by lifting screw rod
On capillary pipe clamping device, move up and down with quartz capillary clamping device；
Being loaded on the quartz capillary clamping device has hollow quartz capillary, quartz capillary vertical support frame,
Be installed in the quartz capillary hardness be less than quartz capillary lapping liquid linear carrier, the lapping liquid linear carrier it is upper
End connection lapping liquid linear carrier drawing mechanism, and form an angle with the shape of quartz capillary center line；Grind linear load
The lower end of body passes through in quartz capillary and extends certain length, and weight is connected in the lower end of lapping liquid linear carrier；
The swinging quartz capillary clamping device includes upper and lower two cross-braces disposed in parallel of connection board
The end of beam, two cross-brace beams is mounted on bearing block, and two bearing blocks are arranged concentrically, and pass through branch in two bearing blocks
Support bearing is equipped with hollow type rotating shaft, and the upper end of hollow type rotating shaft is connected with the clamp for clamping quartz capillary, two
Power driven means are installed between a cross-brace beam on the hollow type rotating shaft, connects and passes in the power driven means
Dynamic component, the driving member connect driving device；
The lapping liquid linear carrier drawing mechanism includes fixed frame, and the fixed frame is fixedly mounted on riser, described
Guide sleeve is installed on fixed frame, is slided in the guide sleeve and is fitted with stretch rod, guide sleeve is stretched out in the lower part of the stretch rod,
And clamp connection lapping liquid linear carrier in the end of stretch rod；Guide sleeve is stretched out on the top of the stretch rod, and is leading
It is set with resetting spring on the top tension bar of set, it is past up and down that the upper end connection of stretch rod drives stretch rod to be done along guide sleeve
The electronic eccentric stiffener of linear motion.
The present invention can also use following technical measures：
Lapping liquid linear carrier and the angle of the formation of quartz capillary center line are 30~70 °.
Further include lapping liquid linear carrier retractable frame, the lapping liquid linear carrier retractable frame is fixedly mounted on riser,
It is removable on the lapping liquid linear carrier retractable frame that lapping liquid linear carrier line wheel is installed.
The lapping liquid linear carrier is piano wire.
The invention has the advantages and positive effects that：Since the present invention uses above-mentioned technical proposal, by linearly to carry
Body penetrates the small addition lapping liquid at processing in the air, linear carrier one end, which is fixed on, vertically reciprocating to transport as abrasive media
In dynamic collet；The other end is connect with weight after linear carrier penetrates work piece, and workpiece is clamped with clamp, uses driving belt
Its high speed is driven to be rotated centered on endoporus, while steel wire drives abrasive material to move back and forth at a certain angle, and aperture is made constantly to expand
Form the taper hole of arc transition.Inner chamfer processing is done with traditional taper jewelling tool to compare, and improves the surface smoothness of fillet,
Improve processing efficiency.
Description of the drawings
Fig. 1 is 1 structural schematic diagram of the embodiment of the present invention；
Fig. 2 is 2 structural schematic diagram of the embodiment of the present invention；
Fig. 3 is quartz capillary structural schematic diagram.
In figure：1, supporting rack；2, riser；3, swinging quartz capillary clamping device；3-1, cross-brace beam；3-2, axis
Bearing；3-3, hollow type rotating shaft；3-4, clamp；4, driving device；4-1, driving motor；4-2, driving wheel；4-3, driven drive
Dynamic component；4-4, lifting screw rod；5, lapping liquid linear carrier drawing mechanism；5-1, fixed frame；5-2, fastening bolt；5-3, guiding
Set；5-4, stretch rod；5-5, resetting spring；5-6, electronic eccentric stiffener；6, quartz capillary；7, lapping liquid linear carrier；8、
Weight；9, lapping liquid linear carrier retractable frame；9-1, lapping liquid linear carrier line wheel.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
Embodiment 1, please refers to Fig.1 and Fig. 3, a kind of adjustable nonmetallic inorganic capillary centre bore fillet grinder,
It is characterized in that：Supporting rack 1 apart from horizontal plane certain distance, the upper surface of support frame as described above are equipped with riser 2, on the riser
Equipped with adjusting elongated slot 1-1；The side adjustable installing of the riser has swinging quartz capillary clamping device 3, the revolution
Formula quartz capillary clamping device connects driving device 4；The driving device 4 includes driving motor 4-1, is mounted on motor output
The driving wheel 4-2 at end, the driving wheel are mounted on the driven drive member 4- on hollow type rotating shaft by driving member connection
3, the shell of the driving motor is mounted on by lifting screw rod 4-4 on quartz capillary clamping device, is pressed from both sides with quartz capillary
Tight device moves up and down together；Being loaded on the quartz capillary clamping device 3 has hollow quartz capillary 6, quartzy capillary
Pipe vertical support frame is installed with the lapping liquid linear carrier 7 that hardness is less than quartz capillary, the grinding in the quartz capillary
Linear carrier 7 and the angle of quartz capillary center line are 30~70 °；The upper end connection grinding of the lapping liquid linear carrier
The lower end of linear carrier drawing mechanism 5, lapping liquid linear carrier passes through in quartz capillary and extends certain length, is grinding
The lower end of grinding fluid linear carrier connects weight 8.
The swinging quartz capillary clamping device 3 includes upper and lower two cross-braces disposed in parallel of connection board
The end of beam 3-1, two cross-brace beams are mounted on bearing block 3-2, and two bearing blocks are arranged concentrically, in two bearing blocks
Hollow type rotating shaft 3-3 is installed by spring bearing, the upper end of hollow type rotating shaft, which is connected with, clamps quartz capillary
Clamp 3-4 is equipped with power driven means, the power drive between two cross-brace beams on the hollow type rotating shaft
Driving member is connected on component, the driving member connects driving device；The lapping liquid linear carrier drawing mechanism 5 includes solid
Determine frame 5-1, the fixed frame is fixedly mounted on by fastening bolt 5-2 on riser 2, and guide sleeve 5- is equipped on the fixed frame
3, the interior sliding of the guide sleeve is fitted with stretch rod 5-4, and guide sleeve 5-3 is stretched out in the lower part of the stretch rod, and in stretch rod
End clamp connection lapping liquid linear carrier 7；Guide sleeve 5-3 is stretched out on the top of the stretch rod 5-4, and in guide sleeve
Resetting spring 5-5 is set on top tension bar, the upper end connection of stretch rod drives stretch rod to be done up and down reciprocatingly along guide sleeve
The electronic eccentric stiffener 5-6 of linear motion, the electronic eccentric stiffener belong to the prior art, include mainly driving motor, driving
Axis and eccentric wheel are constituted, and also stretch rod are just driven back and forth to move along a straight line up and down.
Above structure is according to can adjust lapping liquid linear carrier 7 and quartz capillary center line the case where actual processing
Angle, i.e., the adjusting elongated slot 1-1 on riser are slided up and down, and then meet the nonmetallic inorganic capillary centre bore of different size
The grinding of fillet.
In above structure, 0.07~0.09mm of diameter of the lapping liquid linear carrier.
In above structure, the lapping liquid linear carrier is piano wire.
In above structure, lapping liquid linear carrier reciprocating stroke under the drive of lapping liquid linear carrier drawing mechanism is
30~50mm.
In above structure, the weight of the weight is 220g~320g.
Embodiment 2 further includes lapping liquid referring to Fig. 2, in the present embodiment in order to reduce the time for replacing linear carrier
Linear carrier retractable frame 9, the lapping liquid linear carrier retractable frame are fixedly mounted on riser 5-2, the linear load of grinding
Removable on body retractable frame to be equipped with lapping liquid linear carrier line wheel 9-1, remaining feature is same as Example 1.
Quartz capillary centre bore fillet technique is carried out using above equipment, is included the following steps：
Step 1: select linear carrier as the supporting body of lapping liquid first, and the hardness of linear carrier is less than processed
The hardness of nonmetallic inorganic capillary, the diameter of the lapping liquid linear carrier, which is less than, is processed the interior of nonmetallic inorganic capillary
Diameter；
Step 2: the linear carrier of step 1 selection is mounted on the grinding for driving linear carrier that can pump
On the drawing mechanism of equipment, and adjust effective travel length；
Step 3: by processed nonmetallic inorganic capillary clamping on the swing mechanism of milling apparatus；
Step 4: the lower end of linear carrier is passed through in the centre bore of processed nonmetallic inorganic capillary, and protect
Linear carrier is demonstrate,proved with the center line of processed nonmetallic inorganic capillary into the angle less than 90 °；The angle is 30~
70°；
Step 5: connecting weight in the lower end of the linear carrier across processed nonmetallic inorganic capillary；
Step 6: adding abrasive pastes in linear carrier and processed nonmetallic inorganic capillary centre bore junction；
Step 7: opening milling apparatus, swing mechanism and drawing mechanism move simultaneously after milling apparatus is opened；The revolution
The rotating speed of mechanism is 1400~1600 revs/min, and drawing mechanism lifts 120 beats/min up and down；
Step 8: the control device duration of runs, arrestment operates after equipment operation 1~3 minute；
Decide whether to restart milling apparatus Step 9: grinding fillet according to technological requirement On line inspection；
Step 10: if meeting technological requirement, processed nonmetallic inorganic capillary is unloaded, first by weight solution
It opens；Then, linear carrier is lifted vertically upward from the abrasive tip of processed nonmetallic inorganic capillary；Furthermore dismounting is added
The nonmetallic inorganic capillary of work；Complete a fillet process-cycle.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Every any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (4)
1. a kind of adjustable nonmetallic inorganic capillary centre bore fillet grinder, it is characterised in that：Apart from one spacing of horizontal plane
From supporting rack, the upper surface of support frame as described above is equipped with riser, and the riser, which is equipped with, adjusts elongated slot；The side of the riser
Adjustable installing has swinging quartz capillary clamping device, the swinging quartz capillary clamping device connection driving dress
It sets；The driving device includes driving motor, the driving wheel mounted on motor output end, and the driving wheel is connected by driving member
The driven drive member on hollow type rotating shaft is connect, the shell of the driving motor is mounted on quartz by lifting screw rod
On capillary pipe clamping device, move up and down with quartz capillary clamping device；
Being loaded on the quartz capillary clamping device has hollow quartz capillary, quartz capillary vertical support frame, described
The lapping liquid linear carrier that hardness is less than quartz capillary is installed in quartz capillary, the upper end of the lapping liquid linear carrier connects
Lapping liquid linear carrier drawing mechanism is connect, and is formed an angle with the shape of quartz capillary center line；Lapping liquid linear carrier
Lower end passes through in quartz capillary and extends certain length, and weight is connected in the lower end of lapping liquid linear carrier；
The swinging quartz capillary clamping device includes upper and lower two cross-brace beams disposed in parallel of connection board, and two
The end of a cross-brace beam is mounted on bearing block, and two bearing blocks are arranged concentrically, and pass through support shaft in two bearing blocks
It holds and hollow type rotating shaft is installed, the upper end of hollow type rotating shaft is connected with the clamp for clamping quartz capillary, in two cross
To power driven means are equipped between supporting beam on the hollow type rotating shaft, transmission structure is connected in the power driven means
Part, the driving member connect driving device；
The lapping liquid linear carrier drawing mechanism includes fixed frame, and the fixed frame is fixedly mounted on riser, the fixation
Guide sleeve is installed on frame, is slided in the guide sleeve and is fitted with stretch rod, guide sleeve is stretched out in the lower part of the stretch rod, and
Connection lapping liquid linear carrier is clamped in the end of stretch rod；Guide sleeve is stretched out on the top of the stretch rod, and in guide sleeve
Top tension bar on be set with resetting spring, it is up and down reciprocatingly straight that the upper end connection of stretch rod drives stretch rod to be done along guide sleeve
The electronic eccentric stiffener of line movement.
2. adjustable nonmetallic inorganic capillary centre bore fillet grinder according to claim 1, it is characterised in that：It grinds
Grinding fluid linear carrier and the angle of the formation of quartz capillary center line are 30~70 °.
3. adjustable nonmetallic inorganic capillary centre bore fillet grinder according to claim 1, it is characterised in that：Also
Including lapping liquid linear carrier retractable frame, the lapping liquid linear carrier retractable frame is fixedly mounted on riser, the lapping liquid
It is removable on linear carrier retractable frame that lapping liquid linear carrier line wheel is installed.
4. adjustable nonmetallic inorganic capillary centre bore fillet grinder according to claim 1, it is characterised in that：Institute
The lapping liquid linear carrier stated is piano wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940008.5A CN106426587B (en) | 2016-11-01 | 2016-11-01 | A kind of adjustable nonmetallic inorganic capillary centre bore fillet grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610940008.5A CN106426587B (en) | 2016-11-01 | 2016-11-01 | A kind of adjustable nonmetallic inorganic capillary centre bore fillet grinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106426587A CN106426587A (en) | 2017-02-22 |
| CN106426587B true CN106426587B (en) | 2018-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610940008.5A Expired - Fee Related CN106426587B (en) | 2016-11-01 | 2016-11-01 | A kind of adjustable nonmetallic inorganic capillary centre bore fillet grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106426587B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106914812A (en) * | 2017-03-31 | 2017-07-04 | 广州众顶建筑工程科技有限公司 | A kind of precision instrument polissoir |
| CN109483362B (en) * | 2019-01-11 | 2023-11-24 | 珠海东锦石英科技有限公司 | Beveling process for quartz wafer |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4866888A (en) * | 1986-04-17 | 1989-09-19 | Sumitomo Electric Industries, Ltd. | Wire incrusted with abrasive grain |
| US5154022A (en) * | 1991-06-21 | 1992-10-13 | International Business Machines Corporation | High precision micromachining of very fine features |
| CN1406716A (en) * | 2001-09-05 | 2003-04-02 | 精工电子有限公司 | Multi-position micro-hole machining method and apparatus |
| CN2652592Y (en) * | 2003-08-21 | 2004-11-03 | 殷扬合 | Vertical grinder for irregular procelain sleeve end surface |
| CN202123305U (en) * | 2011-05-25 | 2012-01-25 | 天津美通冶金设备制造有限公司 | Copying cutting machine |
| CN204893689U (en) * | 2015-08-21 | 2015-12-23 | 宁波容大光电科技有限公司 | A steel wire tensioning mechanism for core metal pipe is inserted to pottery |
| CN205465513U (en) * | 2016-04-01 | 2016-08-17 | 上海关勒铭有限公司 | Machine is ground in jewel bearing reaming |
| CN206123965U (en) * | 2016-11-01 | 2017-04-26 | 天津恒瑜晶体材料股份有限公司 | Nonmetal inorganic capillary centre bore fillet grinds machine with adjustable |
-
2016
- 2016-11-01 CN CN201610940008.5A patent/CN106426587B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4866888A (en) * | 1986-04-17 | 1989-09-19 | Sumitomo Electric Industries, Ltd. | Wire incrusted with abrasive grain |
| US5154022A (en) * | 1991-06-21 | 1992-10-13 | International Business Machines Corporation | High precision micromachining of very fine features |
| CN1406716A (en) * | 2001-09-05 | 2003-04-02 | 精工电子有限公司 | Multi-position micro-hole machining method and apparatus |
| CN2652592Y (en) * | 2003-08-21 | 2004-11-03 | 殷扬合 | Vertical grinder for irregular procelain sleeve end surface |
| CN202123305U (en) * | 2011-05-25 | 2012-01-25 | 天津美通冶金设备制造有限公司 | Copying cutting machine |
| CN204893689U (en) * | 2015-08-21 | 2015-12-23 | 宁波容大光电科技有限公司 | A steel wire tensioning mechanism for core metal pipe is inserted to pottery |
| CN205465513U (en) * | 2016-04-01 | 2016-08-17 | 上海关勒铭有限公司 | Machine is ground in jewel bearing reaming |
| CN206123965U (en) * | 2016-11-01 | 2017-04-26 | 天津恒瑜晶体材料股份有限公司 | Nonmetal inorganic capillary centre bore fillet grinds machine with adjustable |
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| Publication number | Publication date |
|---|---|
| CN106426587A (en) | 2017-02-22 |
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Granted publication date: 20180807 Termination date: 20181101 |