CN107498344A - A kind of cylinder type component cutting auxiliary mould and method - Google Patents
A kind of cylinder type component cutting auxiliary mould and method Download PDFInfo
- Publication number
- CN107498344A CN107498344A CN201710944511.2A CN201710944511A CN107498344A CN 107498344 A CN107498344 A CN 107498344A CN 201710944511 A CN201710944511 A CN 201710944511A CN 107498344 A CN107498344 A CN 107498344A
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- support base
- workpiece
- workbench
- cylinder type
- type component
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- 238000005520 cutting process Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000003825 pressing Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 238000009987 spinning Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a kind of cylinder type component cutting auxiliary mould, including workbench, dismountable support base for being provided with support workpiece on described workbench, being provided with the top of described support base makes the location division that the axle center of workpiece is automatically positioned, and being provided with the top of described support base positioned at the side of the location division can the mobile or rotation and can be by the clamping device of Work-sheet pressing relative to the support base；The fastener of the fixed support base is provided between described support base and workbench, the locking device locking onto the clamping device on the workbench is provided between described support base and clamping device.The invention also discloses a kind of cylinder type component method for slitting.The present invention is reasonable in design, simple in construction, convenient disassembly, accurate positioning, safe to use, can effectively reduce labor intensity and improve production efficiency, reach the effect of quick cutting.
Description
Technical field
The present invention relates to cylinder type component cutting field, more specifically, it relates to a kind of cylinder type component cutting
Auxiliary mould and method.
Background technology
The material tests analysis of engine component, it is very crucial to prepare suitable exemplar, and therefore, exemplar cutting is also suitable
It is important.
Cutting machine and subsidiary frock clamp are used at present, can be only done the cutting work of a small amount of non-cylindrical type component
Make, but for the vertical profile of cylinder type component (especially cross section small, the part of stock class, such as valve stem, push rod, bolt)
Face samples, and cutting difficulty is larger.Mostly at present is to hold such part, is directly ground with abrasive machine, to reach preferable cutting shape
State.Being ground vertical section, not only difficulty is big, and efficiency is low, and security is also difficult to ensure that.
The content of the invention
The technical problem to be solved in the present invention is the above-mentioned deficiency for prior art, there is provided one kind is simple in construction, tears open
Unload convenience, accurate positioning, cylinder type component cutting auxiliary mould easy to use and method.
It is the technical scheme is that such：A kind of cylinder type component cutting auxiliary mould, including workbench, it is described
Workbench on dismountable support base for being provided with support workpiece, being provided with the top of described support base makes the axle center of workpiece automatically fixed
The location division of position, described support base top is provided with positioned at the side of the location division can the mobile or rotation relative to the support base
Turn and can be by the clamping device of Work-sheet pressing；The fastening of the fixed support base is provided between described support base and workbench
Part, the locking device clamping device being lock onto on the workbench is provided between described support base and clamping device.
As a further improvement, described location division is from the V-groove of indent at the top of the support base, described support
Seat top is provided with the T-slot for being used for installing the clamping device, and described location division and T-slot are along the support base length side
To extension.
Further, described locking device includes being plugged in the T-nut of the T-slot and mutually fitted with the T-nut
The clamping screw matched somebody with somebody.
Further, described T-slot bottom is provided with countersunk head through hole, and described fastener leads to including being plugged in the countersunk head
The bolt in hole and the nut for being plugged in the workbench, the T-slot edge is provided with bolt slot to make way.
Further, described clamping device include handle, by the pressure arm of Work-sheet pressing and with described handle and pressure
The housing of arm connection, described enclosure interior are provided with the drive device for driving the pressure arm workpiece pressing.
Further, described housing bottom is provided with the mounting groove of the fixed housing, and the compression end of the pressure arm is provided with
Pressure head.
Further, described drive device include the worm gear that is connected with the pressure arm and be connected with the handle and with institute
State the worm screw of worm gear engagement.
Further, described support base bottom is provided with the positioning boss being plugged on the workbench.
A kind of cylinder type component method for slitting, workpiece is supported by setting support base, and V-arrangement is set on support base
Workpiece is positioned on described support base by the location division of shape, then by setting the clamping device with handle and pressure arm by work
Part is pressed on described support base, and axial line of the cutting tool along workpiece on last workbench is cut straight down can be real
The symmetrical cutting of existing workpiece.
This method includes step in detail below：
Step 1, rotating clamp make clamping device and location division stagger, and workpiece is put on location division, the axle of workpiece
The heart be automatically positioned and with the cutting tool automatic centering on workbench, then by clamping device spinning reduction and lock；
Step 2, rotary handle drive the pressure arm to be rotated down Work-sheet pressing；
Axial line of the cutting tool along workpiece in step 3, workbench cuts i.e. achievable workpiece and symmetrically cutd open straight down
Cut.
Beneficial effect
The present invention compared with prior art, has advantages below：The present invention is simple in construction, reasonable in design, is adapted to different chis
Very little cylinder type component cutting, the V-groove on support base can be automatically fixed by the axle center of the cylinder type component of different-diameter
The vertically symmetrical face of V-groove is arrived in position, accurate positioning, after the clamping device on support base compresses cylinder type component, cutting tool
Cut straight down along the axial line of cylinder type component and the symmetrical cutting of cylinder type component can be achieved, cutting precision is high；Folder
Tight device can be moved or rotated, and can be compressed at each position on cylinder type component, simple to operate, together
When, the pressure arm of clamping device is compressed using worm drive worm gear, is compressed stability height, securely and reliably, can effectively be reduced
Labor intensity and raising production efficiency, reach the effect of quick cutting.
Brief description of the drawings
Fig. 1 is the discourse structure of body schematic diagram that the present invention is installed to workbench；
Fig. 2 is the structural representation that support base is installed to workbench in the present invention；
Fig. 3 is the left view structural representation of support base in the present invention；
Fig. 4 is the overlooking the structure diagram of support base in the present invention；
Fig. 5 is the dimensional structure diagram of clamping device in the present invention；
Fig. 6 is the partial cutaway schematic diagram that clamping device is installed to support base in the present invention.
Wherein：1- workbench, 2- support bases, 3- clamping devices, 31- housings, 32- pressure arms, 33- handles, 34- pressure heads, 35-
Mounting groove, 36- worm gears, 37- worm screws, 4-T type grooves, 5-V type grooves, 6- positioning boss, 7- countersunk heads through hole, 8-T types nut, 9- lockings
Bolt, 10- bolts slot to make way, 11- bolts, 12- nuts.
Embodiment
The present invention is described further for specific embodiment in below in conjunction with the accompanying drawings.
Refering to Fig. 1-6, a kind of cylinder type component cutting auxiliary mould, including workbench 1 is dismountable on workbench 1
Support base 2 provided with support workpiece, described workpiece refer to cylinder type component, and the top of support base 2 is provided with the axle center for making workpiece
The axle center of the workpiece of different-diameter can be automatically positioned same vertical plane by the location division 5 being automatically positioned, location division 5, and
And this vertical plane can be readily available according to location division, the top of support base 2 is provided with positioned at the side of location division 5 can be relative to
Support base 2 moves or rotates and can move the clamping device 3 of Work-sheet pressing, clamping device 3 along the bearing of trend of location division 5
Dynamic, the rotation of clamping device 3 is that workpiece is put on location division 5 for convenience, and clamping device 3 can be carried out at each position of workpiece
Compress, it is simple to operate；The fastener of fixed supporting seat 2 is provided between support base 2 and workbench 1, can be with using fastener
It is convenient that support base 2 is dismounted, it is provided between support base 2 and clamping device 3 and clamping device 3 is lock onto on workbench 1
Locking device, locking device can realize that clamping device 3 is moved or rotated relative to support base 2, and can consolidate clamping device 3
It is scheduled on support base 2.
In this example, location division 5 is the V-groove of the top indent of self-supporting seat 2, and the plane of symmetry of V-groove is two V-type face phases
Vertical plane where intersection, V-groove can be such that the axle center of the workpiece of different-diameter is automatically positioned on the plane of symmetry of V-groove, fixed
Precisely, axial line of the cutting tool along workpiece cuts the symmetrical cutting of workpiece can be achieved straight down, and cutting precision is high, V-type for position
Trench bottom is additionally provided with cutting slot to make way, facilitates cutting to process；The top of support base 2 is provided with the T-slot 4 for being used for installing clamping device 3,
Location division 5 and T-slot 4 extend along the length direction of support base 2, and location division 5 is parallel with the bearing of trend of T-slot 4；Locking device
Including the clamping screw 9 for being plugged in the T-nut 8 of T-slot 4 and being adapted with the T-nut 8, clamping screw 9, T-shaped spiral shell are unclamped
Mother 8 slides in T-slot 4 drives clamping device 3 to be moved along T-slot 4, and clamping device 3 can rotate around clamping screw 9；T-slot
4 bottoms are provided with countersunk head through hole 7, and countersunk head through hole 7 is arranged on into the bottom of T-slot 4 can make support base 2 compacter, fastener bag
The bolt 11 for being plugged in countersunk head through hole 7 and the nut 12 for being plugged in workbench 1 are included, the edge of T-slot 4 is provided with bolt slot to make way 10,
Bolt 11 is conveniently tightened, nut 12 is plugged into workbench 1, then bolt 11 through countersunk head through hole 7 and is plugged into nut 12, is twisted
Tight bolt 11 can fixed supporting seat 2；The bottom of support base 2 is provided with the positioning boss 6 being plugged on workbench 1, the edge of positioning boss 6
The length direction of support base 2 arranges that support base 2 can slide by positioning boss 6 on workbench 1, and positioning boss 6 can facilitate
Support base 2 is fixed on workbench 1.
Clamping device 3 includes handle 33, by the pressure arm 32 of Work-sheet pressing and the housing being connected with handle 33 and pressure arm 32
31, handle 33 and pressure arm 32 are arranged on housing 31, and the inside of housing 31 is provided with the drive device of the driving workpiece pressing of pressure arm 32, rotation
Changing hands handle 33 can drive pressure arm to be rotated about 32, so as to workpiece pressing；The bottom of housing 31 is provided with the mounting groove of fixed shell 31
35, mounting groove 35 is open slot, clamping screw 9 is passed through into mounting groove 35, and coordinate with the T-nut 8 being plugged in T-slot 4
Clamping device 3 is installed in T-slot 4；The compression end of pressure arm 32 is provided with pressure head 34, and the precision of pressure head 34 is higher, can compress
The workpiece of various surface accuracies；Drive device includes the worm gear 36 being connected with pressure arm 32 and is connected with handle 33 and is nibbled with worm gear 36
The worm screw 37 of conjunction, pressure arm 32 and worm gear 36 are formed in one structure, and handle 33 and worm screw 37 are formed in one structure, rotary handle
33 can make worm screw 37 drive worm gear 36 to rotate, so as to drive pressure arm to be rotated about 32；Worm screw 37 drives worm gear 36 to be compressed,
Not only thrust is big, and has auto-lock function, compresses stability height, securely and reliably；The top of handle 33 is provided with cross bar, rotates hand
Labor intensity can be reduced during handle 33.
In the present embodiment, first support base 2 is plugged on workbench 1, is moved to correct position, make location division 5 and work
Make the cutting tool centering on platform 1, i.e. cutting tool is on the vertically symmetrical face of V-groove, with hexagon socket head cap screw 11 and nut 12
Fixed supporting seat 2；T-nut 8 is plugged into T-slot 4, then clamping screw 9 is passed through to the mounting groove 35 and T of clamping device 3
Type nut 8 coordinates, and clamping device 3 is installed into the correct position in T-slot 4, and this completes the assembling of the present invention.For
Longer long component of rod category, it can arrange that multiple clamping devices 3 are compressed in T-slot 4, strong applicability.
A kind of cylinder type component method for slitting, workpiece is supported by setting support base 2, and V is set on support base 2
Workpiece is positioned on support base 2 by the location division 5 of shape, then by setting the clamping device 3 with handle 33 and pressure arm 32
By Work-sheet pressing on support base 2, axial line of the cutting tool along workpiece on last workbench 1 is cut straight down can be real
The symmetrical cutting of existing workpiece.
This method includes step in detail below：
Step 1, rotating clamp 3 make clamping device 3 stagger with location division 5, prevent pressure arm 32 from interfering workpiece installation, will
Workpiece is put on location division 5, the axle center of workpiece be automatically positioned and with the cutting tool automatic centering on workbench 1, the axle of workpiece
The heart can be automatically positioned the vertically symmetrical face of the location division 5 of V-shape, then by the spinning reduction of clamping device 3 and lock.
Work-sheet pressing, the location division 5 of V-shape can be improved pressure by step 2, rotary handle 33 to drive pressure arm 32 to be rotated down
Tight stability.
Axial line of the cutting tool along workpiece in step 3, workbench 1 cuts i.e. achievable workpiece and symmetrically cutd open straight down
Cut, cutting precision is high.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art,
Without departing from the structure of the invention, several modifications and improvements can also be made, these are implemented all without the present invention is influenceed
Effect and practical applicability.
Claims (10)
1. a kind of cylinder type component cutting auxiliary mould, including workbench (1), it is characterised in that on described workbench (1)
Dismountable support base (2) for being provided with support workpiece, being provided with the top of described support base (2) makes what the axle center of workpiece was automatically positioned
Location division (5), described support base (2) top is provided with positioned at the side of the location division (5) can be relative to the support base (2)
Mobile or rotation simultaneously can be by the clamping device (3) of Work-sheet pressing；It is provided with and fixes between described support base (2) and workbench (1)
The fastener of the support base (2), it is provided between described support base (2) and clamping device (3) and locks the clamping device (3)
Tightly in the locking device on the workbench (1).
A kind of 2. cylinder type component cutting auxiliary mould according to claim 1, it is characterised in that described location division
(5) it is to be provided with to fill for installing described clamp from the top of the V-groove of the support base (2) top indent, described support base (2)
The T-slot (4) of (3) is put, described location division (5) and T-slot (4) extend along the support base (2) length direction.
A kind of 3. cylinder type component cutting auxiliary mould according to claim 2, it is characterised in that described locking dress
Put the T-nut (8) including being plugged in the T-slot (4) and the clamping screw (9) being adapted with the T-nut (8).
A kind of 4. cylinder type component cutting auxiliary mould according to claim 2, it is characterised in that described T-slot
(4) bottom is provided with countersunk head through hole (7), and described fastener includes being plugged in bolt (11) and the grafting of the countersunk head through hole (7)
Nut (12) in the workbench (1), T-slot (4) edge are provided with bolt slot to make way (10).
A kind of 5. cylinder type component cutting auxiliary mould according to claim 1, it is characterised in that described clamping dress
Putting (3) includes handle (33), by the pressure arm (32) of Work-sheet pressing and the shell being connected with described handle (33) and pressure arm (32)
Body (31), described housing (31) is internal to be provided with the drive device for driving pressure arm (32) workpiece pressing.
A kind of 6. cylinder type component cutting auxiliary mould according to claim 5, it is characterised in that described housing
(31) bottom is provided with the mounting groove (35) of the fixed housing (31), and the compression end of the pressure arm (32) is provided with pressure head (34).
A kind of 7. cylinder type component cutting auxiliary mould according to claim 5, it is characterised in that described driving dress
Put the worm gear (36) including being connected with the pressure arm (32) and be connected with the handle (33) and engaged with the worm gear (36)
Worm screw (37).
A kind of 8. cylinder type component cutting auxiliary mould according to claim 1 to 7 any one, it is characterised in that
Described support base (2) bottom is provided with the positioning boss (6) being plugged on the workbench (1).
9. a kind of cylinder type component method for slitting according to claim 8, it is characterised in that by setting support base
(2) support workpiece, and on support base (2) set the location division (5) of V-shape that workpiece is positioned to described support base (2)
On, then by setting the clamping device (3) with handle (33) and pressure arm (32) by Work-sheet pressing in described support base (2)
On, i.e. achievable workpiece is finally cut straight down using axial line of the cutting tool on workbench (1) along workpiece symmetrically cuts open
Cut.
10. a kind of cylinder type component method for slitting according to claim 9, it is characterised in that this method includes following
Specific steps：
Step 1, rotating clamp (3) make the pressure arm (32) on clamping device (3) stagger with location division (5), and workpiece is put into
On location division (5), now, the axle center of workpiece be automatically positioned and with the cutting tool automatic centering on workbench (1).
Step 2, by clamping device (3) spinning reduction and lock, then rotary handle (33) come drive pressure arm (32) be rotated down by
Work-sheet pressing.
It is symmetrical that axial line of the cutting tool along workpiece in step 3, driving workbench (1) cuts i.e. achievable workpiece straight down
Cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944511.2A CN107498344A (en) | 2017-09-30 | 2017-09-30 | A kind of cylinder type component cutting auxiliary mould and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944511.2A CN107498344A (en) | 2017-09-30 | 2017-09-30 | A kind of cylinder type component cutting auxiliary mould and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107498344A true CN107498344A (en) | 2017-12-22 |
Family
ID=60701036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710944511.2A Pending CN107498344A (en) | 2017-09-30 | 2017-09-30 | A kind of cylinder type component cutting auxiliary mould and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107498344A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227183A (en) * | 2018-11-26 | 2019-01-18 | 法兰泰克重工股份有限公司 | A kind of clamping apparatus |
| CN114227537A (en) * | 2021-12-31 | 2022-03-25 | 东莞领杰金属精密制造科技有限公司 | Clamp, jig base with clamp and automatic clamping machine with jig base |
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| JP2013094865A (en) * | 2011-10-31 | 2013-05-20 | Tomoji Yamamoto | Clamp device |
| CN103264301A (en) * | 2013-05-16 | 2013-08-28 | 瑞鹄汽车模具有限公司 | Clamping device and clamping and positioning method thereof |
| CN103648696A (en) * | 2011-07-06 | 2014-03-19 | 精密工具有限公司 | Apparatus for machining a tubular piece |
| CN203887584U (en) * | 2014-06-17 | 2014-10-22 | 山西利民工业有限责任公司 | Adjustable locating tool |
| CN105522419A (en) * | 2014-10-21 | 2016-04-27 | 西安志越机电科技有限公司 | Overturning type tool clamp for hole drilling |
| CN105710468A (en) * | 2014-12-03 | 2016-06-29 | 西安志越机电科技有限公司 | Cylinder workpiece rapid pressing clamp of linear cutting machine tool |
| CN207205915U (en) * | 2017-09-30 | 2018-04-10 | 广西玉柴机器股份有限公司 | A kind of cylinder type component cutting auxiliary mould |
-
2017
- 2017-09-30 CN CN201710944511.2A patent/CN107498344A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103648696A (en) * | 2011-07-06 | 2014-03-19 | 精密工具有限公司 | Apparatus for machining a tubular piece |
| JP2013094865A (en) * | 2011-10-31 | 2013-05-20 | Tomoji Yamamoto | Clamp device |
| CN103264301A (en) * | 2013-05-16 | 2013-08-28 | 瑞鹄汽车模具有限公司 | Clamping device and clamping and positioning method thereof |
| CN203887584U (en) * | 2014-06-17 | 2014-10-22 | 山西利民工业有限责任公司 | Adjustable locating tool |
| CN105522419A (en) * | 2014-10-21 | 2016-04-27 | 西安志越机电科技有限公司 | Overturning type tool clamp for hole drilling |
| CN105710468A (en) * | 2014-12-03 | 2016-06-29 | 西安志越机电科技有限公司 | Cylinder workpiece rapid pressing clamp of linear cutting machine tool |
| CN207205915U (en) * | 2017-09-30 | 2018-04-10 | 广西玉柴机器股份有限公司 | A kind of cylinder type component cutting auxiliary mould |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227183A (en) * | 2018-11-26 | 2019-01-18 | 法兰泰克重工股份有限公司 | A kind of clamping apparatus |
| CN114227537A (en) * | 2021-12-31 | 2022-03-25 | 东莞领杰金属精密制造科技有限公司 | Clamp, jig base with clamp and automatic clamping machine with jig base |
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Application publication date: 20171222 |