CN108818022A - A kind of support base and its application method of lathe Double End floating positioning work piece - Google Patents
A kind of support base and its application method of lathe Double End floating positioning work piece Download PDFInfo
- Publication number
- CN108818022A CN108818022A CN201810872906.0A CN201810872906A CN108818022A CN 108818022 A CN108818022 A CN 108818022A CN 201810872906 A CN201810872906 A CN 201810872906A CN 108818022 A CN108818022 A CN 108818022A
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- China
- Prior art keywords
- face
- support base
- work piece
- support
- supporting surface
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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
Abstract
It floats the invention discloses a kind of lathe Double End and positions the support base and its application method of work piece.The support base is provided with support base entity, it is provided with Floatable supporting mechanism in support base entity, so that the support base while supporting and positioning work piece first end face, increases floating support into mechanism, floating support is carried out for the second end face to special-shaped part, as auxiliary；There are a certain range of differences in height between the second end face and first end face of part to be processed, and by being accurately positioned first end face, floating support second end face, while capable of guaranteeing first end face firm position, second end face is also in close contact with fixture always；Guarantee that second end face is no longer on cantilever position, smooth, vibration knife mark disappearance at turning second end face to part in process.
Description
Technical field
The present invention relates to supporting mechanism technical fields, and in particular to a kind of branch of lathe Double End floating positioning work piece
Support seat and its application method.
Background technique
Most of large and small diameters are being processed than the special-shaped part greater than 3, in turning with small end face (first end face) positioning
Process requirements are able to satisfy, but it is easier that the large end face (second end face) of entire part is in cantilever position；For large and small end face
Diameter than be greater than 3 gear, it is unified with processes positioning surfaces such as garland keys to guarantee when smart car end face, positioned always with small end face,
So that vibration knife mark is obvious when smart car large end face, surface quality of workpieces is influenced.
In the prior art, most gear manufacture producers carry out Double End using the Double End hydraulic floating positioning fixture of import
Positioning, but the cost of manufacture of this kind of fixture is higher.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of positioning of floating of lathe Double End is provided and is added
The support base and its application method of workpiece.Lathe Double End floating positioning support seat disclosed by the invention is fixed with part first end face
While position, floating support is carried out at part second end face, as auxiliary.
In order to achieve the above objectives, the present invention is achieved by the following scheme：
A kind of lathe Double End floating positions the support base of work piece, including support base entity, support base entity include
Coaxial inner ring and outer ring, the diameter of inner ring are less than the diameter of outer ring, and inner ring and outer ring is connected by connection frame；The top of inner ring
Face is provided with the first supporting surface, and the top end face of outer ring is the second supporting surface, and outer ring is internally provided with several protrusions second
The Floatable supporting mechanism in support face；On the body, ontology is used for positioning support seat entity for the support base entity installation；Ontology is fixed
It is mounted on lathe.
When support base entity positions work piece, the first supporting surface supports the first end face of work piece, floating support machine
Structure protrudes the second end face of one end support work piece of the second supporting surface.
A further improvement of the present invention is that：
Preferably, outer ring is provided with several through-holes along the circumferential direction of the second supporting surface inside it, between each through-hole
Circumferential distance it is equal, a Floatable supporting mechanism is installed in each through-hole.
Preferably, Floatable supporting mechanism includes blocking screw, spring and branch fastener；One end of branch fastener passes through the second support
Face, the other end and spring contact, the other end of spring are contacted with screw is blocked.
Preferably, screw is blocked to connect with through hole whorl；Through-hole is stepped hole.
Preferably, the hole wall of through-hole is provided with Anti-inclining screw, for resisting the side of branch fastener.
Preferably, inner ring includes coaxial support section and coupling part, and support section is in coupling part, coupling part
It is fixedly connected with connection frame；First supporting surface is the top end face of support section, the top end face of coupling part and the top of connection frame
Face is concordant and is lower than the first supporting surface；Support section offers mounting hole at center along its axial direction, and ontology is provided with protrusion；Installation
Hole and raised shaft hole matching, make the installation of support base entity on the body；Pass through several fixing pieces between coupling part and ontology
It is fixedly connected, the axis of fixing piece is parallel to the axis of support base entity.
Preferably, coupling part is provided with several levelling bolts along its circumferential direction, between each levelling bolt it is circumferential away from
From equal；Levelling bolt is threadedly coupled with coupling part；The bottom face and body contacts of levelling bolt.
Preferably, the diameter of second end face is D2, and the diameter of first end face is D1, D2/D1 > 3.
A kind of application method of the support base of lathe Double End floating positioning work piece, includes the following steps：
(1) Floatable supporting mechanism is packed into outer ring；
(2) on the body by the installation of support base entity, the bounce of the first supporting surface is adjusted, until the bounce model of the first supporting surface
Enclose≤tolerance value A；
(3) work piece is placed on support base physically, the first supporting surface supports first end face；All floating supports
One end that the second supporting surface is protruded in mechanism supports second end face jointly；The second supporting surface is protruded by adjusting Floatable supporting mechanism
Length adjusts the beating scope of second end face, until the beating scope of second end face≤tolerance value B.
Preferably, in step (2), 0.005mm≤tolerance value A≤0.008mm, 0.008mm≤tolerance value B≤0.012mm.
Compared with prior art, the invention has the advantages that：
It floats the invention discloses a kind of lathe Double End and positions the support base of work piece, be provided with support base entity,
It is provided with Floatable supporting mechanism in support base entity, so that the support base is supporting and positioning the same of work piece first end face
When, floating support is increased into mechanism, floating support is carried out for the second end face to special-shaped part, as auxiliary；It is processed
There are a certain range of differences in height between the second end face and first end face of part is floated by being accurately positioned first end face
Second end face is supported, while capable of guaranteeing first end face firm position, second end face is also in close contact with fixture always；Guarantee
Second end face is no longer on cantilever position, smooth, vibration knife mark disappearance at turning second end face to part in process.
Further, support base entity is provided with several through-holes, peace in each through-hole along the second supporting surface inside it
Equipped with a Floatable supporting mechanism, the ball-shaped end that all Floatable supporting mechanisms protrude the second supporting surface supports work piece jointly
Second end face；Because the circumferential distance between through-hole is equal, the support force that second end face is subject to is uniform.
Further, Floatable supporting mechanism of the invention is provided with branch fastener, spring and blocks screw, branch fastener and second
End face directly contacts, and spring is used for floating support branch fastener, and then floating support second end face, blocks screw and blocks spring
In through-hole.
Further, it blocks screw and support base entity is to be threadedly coupled, depth is threaded by adjusting closure screw
Degree, the tightness and branch fastener that can adjust spring protrude the length of the second supporting surface, enable the branch fasteners of all protrusions
The small plane of tolerance is enough formed, the jitter values of second end face are in the margin of tolerance；Through-hole is set as stepped hole, so that installation spring
Through-hole it is too big and influence the integral strength of entity, the threaded hole aperture that screw matches is slightly larger with blocking, then is conducive to select mark
Quasi- screw, and facilitate installation.
Further, the hole wall side of through-hole is provided with Anti-inclining screw, resists the side of branch fastener, prevents branch fastener from existing
Run-off the straight while moving up and down influences the positioning of second end face.
Further, inner ring is divided into support section and coupling part, the top of support section according to the height difference of top end face
End face is the first supporting surface, and the first supporting surface is higher than the top end face of coupling part；Support base entity and ontology are matched by axis hole
It closes, limitation support base entity moving radially on the body；By fixing piece connecting support seat entity and ontology, support base is limited
The axial movement of entity on the body.
Further, support base is physically provided with several levelling bolts, and levelling bolt protrudes the portion of support base entity
Divide and body contacts can adjust axial distance between support base entity and ontology, guarantee support base by adjusting levelling bolt
Axis of the first supporting surface physically perpendicular to small support base entity.
Further, the part to be processed that the present invention is directed to is mainly special-shaped part, i.e. second end face and first end face
Diameter ratio is greater than 3.
It floats the invention discloses a kind of lathe Double End and positions the application method of the support base of work piece, will float branch
After support mechanism is packed into support base entity, on the body by the installation of support base entity, the beating scope of the first supporting surface is adjusted, until the
The bounce of one supporting surface is in the margin of tolerance；After work piece is mounted on support base physically, by adjusting floating support machine
Structure protrudes the length of the second supporting surface, the bounce of second end face is adjusted, until the bounce of second end face is in the margin of tolerance；This method
It can be accurately positioned and support the second of work piece, first end face, so that the work piece on this support base is in process
In be no longer on cantilever position, in process, the precision of machined surface is high, planarization is good.
Further, the present invention is defined the run-out tolerance of the first supporting surface and the run-out tolerance of second end face, protects
The supporting condition of card work piece meets technique processing request.
Detailed description of the invention
Fig. 1 is special shape gear sectional view of the invention；
Fig. 2 is Double End floating positioning support holder structure figure of the invention；
Fig. 3 is detail view at A；
Fig. 4 is the assembly effect picture of Double End floating positioning support seat and ontology；
Wherein：1- support base entity；2- levelling bolt；3- blocks screw；4- spring；5- branch fastener；6- Anti-inclining screw；
The first supporting surface of 7-；The second supporting surface of 8-；9- first end face；10- second end face；11- Floatable supporting mechanism；12- ontology；13-
Through-hole；14- fixing piece；15- mounting hole；16- protrusion；17- inner ring；The outer ring 18-；19- connection frame；20- work piece；21- branch
Support part point；The coupling part 22-.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing：
Referring to Fig. 1, work piece 20 of the invention is special-shaped part, the diameter ratio of special-shaped part second, first end face
Part greater than 3, is gear in the present embodiment, and second end face 10 is on two end faces close to the supporting surface of the teeth portion of gear, the
One end face 9 is the supporting surface on two end faces close to Gear axis；First end face 9 and second end face 10 are deposited and are become in a certain range
Dynamic difference in height；The diameter of second end face 10 is D2, the diameter of first end face 9 is D1, D2/D1>3；The present embodiment middle gear both ends
Face offers weight loss groove.
Referring to figs. 2 and 3, support base entity 1 of the invention includes mounting hole 15, inner ring 17 and outer ring 18；Inner ring 17 wraps
Coaxial and integrated support section 21 and coupling part 22 are included, support section 21 is in coupling part 22, coupling part 22 and company
Frame 19 is connect to be fixedly connected；First supporting surface 7 is the top end face of support section 21, top end face and the connection frame 19 of coupling part 22
Top end face is concordant and is lower than the first supporting surface 7；Support section 21 offers mounting hole 15 at center along its axial direction；Coupling part 22
Its circumferential direction is provided with several levelling bolts 2, levelling bolt 2 is threadedly coupled with coupling part 22, one end of levelling bolt 2 with
Ontology 12 contacts；18 upper surface of outer ring is the second supporting surface 8, and outer ring 18 offers several along the axial direction of support base entity 1 and leads to
Hole 13, a Floatable supporting mechanism 11 is equipped in each through-hole 13, and through-hole 13 is preferably stepped hole；Floatable supporting mechanism 11
Including blocking screw 3, spring 4 and branch fastener 5, one end of branch fastener 5 passes through the second supporting surface 8, and the other end and spring 4 contact,
13 shaft hole matching of branch fastener 5 and through-hole；The other end of spring 4 is fitted in through-hole 13 by closure screw 3, is blocked screw 3 and is led to
Hole 13 is threadedly coupled, and the tail portion for blocking screw 3 is concordant with the lower end surface of outer ring 18.Screw 3 is blocked in through-hole 13 by adjusting
Screw-in depth, the tightness and branch fastener 5 that can adjust spring 4 protrude the length of the second supporting surface 8；The side wall of through-hole 13 is pacified
Equipped with Anti-inclining screw 6, Anti-inclining screw 6 vertically resists the side end face of branch fastener 5.
Referring to fig. 4, ontology 12 is fixedly mounted on lathe, and ontology 12 is provided with protrusion 16.Support base entity 1 and ontology 12
When assembly, mounting hole 15 and raised 16 shaft hole matchings are mounted on support base entity 1 on ontology 12, protrusion 16 and mounting hole 15
Cooperation limitation support base entity 1 moves radially；Several fixing pieces 14 pass through coupling part 22 and are fixedly connected with support base entity 1
With ontology 12, fixing piece 14 limits the axial movement of support base entity 1；Vertical first supporting surface 7 of fixing piece 14, the present embodiment
In, fixing piece 14 is preferably bolt；The lower end of levelling bolt 2 and the non-critical sides contact of ontology 12, rough surface, so that both-end
First supporting surface of face floating positioning support seat, which is beated, to be not easy to guarantee, the end that levelling bolt 2 is contacted with 12 non-critical sides of ontology
It is preferably arranged to spherical shape, can be adjusted by the thread, adjusts the length that levelling bolt 2 stretches out inner ring 17, and then it is real to adjust support base
The clamping degree of body 1 and ontology 12, and then adjust 9 beating scope of first end face of floating positioning support seat.
Referring to fig. 2 and Fig. 4, when work piece 20 is mounted on support base entity 1, the first supporting surface 7 supports first end
Face 9, the plane T2 that the part that branch fastener 5 protrudes the second supporting surface 8 is constituted support second end face 10, therefore adjust branch fastener 5 and stretch
The length of second supporting surface 8 out, can adjust the beating scope of second end face 10.
Lathe Double End of the present invention, which is floated, positions the application method of work piece support base：
(1) when installing, downward by the first supporting surface 7 of support base entity 1 first, branch fastener 5 is then sequentially placed into support
In the through-hole 13 of seat entity 1, then it is sequentially placed into spring 4, is packed into and blocks screw 3, blocks tail portion and the support base entity 1 of screw 3
End face it is concordant.
(2) upward by the first supporting surface 7, support base entity 1 is mounted on to the sheet to match with the support base with fixing piece 14
On body 12, but fixing piece 14 cannot be screwed or be held out against completely, need to reserve the screw-in amount of 1 screw pitch.Adjust the screw-in of levelling bolt 2
Depth makes a call to the end face run-out of the first supporting surface 7, when beating scope≤tolerance value A of the plane, stops adjustment levelling bolt
2；In the present embodiment, 0.005mm≤tolerance value A≤0.008mm；Tighten or hold out against fixing piece 14.The jump of the first supporting surface 7 is played again
It is dynamic, if the planar end beating scope is still greater than tolerance value A, continue to adjust levelling bolt 2, until the first supporting surface 7
End face run-out range≤tolerance value A.
(3) work piece 20 is placed on support base entity 1, the first supporting surface 7 supports first end face 9；All supports
The plane T2 that the part of the second supporting surface 8 of first 5 protrusion is constituted supports second end face 10；Part second end face 10 is beaten to beat, according to
The closure screw 3 of the bounce situation adjustment different parts of part second end face 10, makes bounce≤public affairs of final part second end face 10
Difference B, the present invention in 0.008mm≤tolerance value B≤0.012mm；Then Anti-inclining screw 6 is screwed.
So far, which completes.
Design principle of the invention：
The present invention is that second end face during smart car is avoided to be in cantilever position, and the Double End floating positioning support seat is the
While one end face positions, support is also provided at second end face.Consider the second end face and the of processed each part
The difference in height of one end face has nuance, and common Double End positioning fixture can only actually have an end face sturdy, the other end
Face loss of function, and the difference of the second end face of each part and first end face difference in height, the Double End floating positioning support
Seat is in such a way that compressed spring drives cylindrical bar to withstand part second end face, while guaranteeing first end face firm position, the
Biend is also in close contact with fixture always.The ontology adapted of Double End floating positioning support seat and existing fixture, the sheet of adapted
The position that body is used to support Double End floating positioning support seat is non-critical sides, rough surface, the positioning branch so that Double End is floated
The first supporting surface bounce of support seat is not easy to guarantee.To solve this problem, end levelling bolt contacted with ontology non-critical sides
As spherical shape, and height can be adjusted by the thread.When clamping, it can be adjusted by the thread the of Double End floating positioning support seat
The bounce of one supporting surface is adjusted to claimed range.
The foregoing is merely preferable case study on implementation of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
- The support base of positioning work piece 1. a kind of lathe Double End is floated, which is characterized in that including support base entity (1), branch Support seat entity (1) includes coaxial inner ring (17) and outer ring (18), and the diameter of inner ring (17) is less than the diameter of outer ring (18), inner ring (17) it is connected with outer ring (18) by connection frame (19)；The top end face of inner ring (17) is provided with the first supporting surface (7), outer ring (18) Top end face be the second supporting surface (8), outer ring (18) be internally provided with several protrusion the second supporting surface (8) floating support Mechanism (11)；The support base entity (1) is mounted on ontology (12), and ontology (12) is used for positioning support seat entity (1)；Ontology (12) it is fixedly mounted on lathe；When support base entity (1) positions work piece (20), the first supporting surface (7) supports the first end face of work piece (20) (9), the second end face (10) of one end support work piece (20) of Floatable supporting mechanism (11) protrusion the second supporting surface (8).
- The support base of positioning work piece 2. a kind of lathe Double End according to claim 1 is floated, which is characterized in that outer Circle (18) is provided with several through-holes (13) along the circumferential direction of the second supporting surface (8) inside it, between each through-hole (13) Circumferential distance is equal, is equipped with a Floatable supporting mechanism (11) in each through-hole (13).
- The support base of positioning work piece 3. a kind of lathe Double End according to claim 2 is floated, which is characterized in that floating Dynamic supporting mechanism (11) include blocking screw (3), spring (4) and branch fastener (5)；One end of branch fastener (5) passes through the second support Face (8), the other end and spring (4) contact, the other end of spring (4) are contacted with screw (3) are blocked.
- The support base of positioning work piece 4. a kind of lathe Double End according to claim 3 is floated, which is characterized in that envelope Blocking screw (3) and through-hole (13) are threadedly coupled；Through-hole (13) is stepped hole.
- The support base of positioning work piece 5. a kind of lathe Double End according to claim 3 is floated, which is characterized in that logical The hole wall in hole (13) is provided with Anti-inclining screw (6), for resisting the side of branch fastener (5).
- The support base of positioning work piece 6. a kind of lathe Double End according to claim 1 is floated, which is characterized in that interior Circle (17) includes coaxial support section (21) and coupling part (22), and support section (21) is in coupling part (22), connection Partially (22) are fixedly connected with connection frame (19)；First supporting surface (7) is the top end face of support section (21), coupling part (22) Top end face it is concordant with the top end face of connection frame (19) and be lower than the first supporting surface (7)；Support section (21) is along its axial direction in The heart offers mounting hole (15), and ontology (12) is provided with raised (16)；Mounting hole (15) and raised (16) shaft hole matching, make to support Seat entity (1) is mounted on ontology (12)；It is fixed by several fixing pieces (14) between coupling part (22) and ontology (12) Connection, the axis of fixing piece (14) are parallel to the axis of support base entity (1).
- The support base of positioning work piece 7. a kind of lathe Double End according to claim 6 is floated, which is characterized in that even Socket part point (22) is provided with several levelling bolts (2) along its circumferential direction, and the circumferential distance between each levelling bolt (2) is equal； Levelling bolt (2) is threadedly coupled with coupling part (22)；The bottom face and ontology (12) of levelling bolt (2) contact.
- 8. a kind of support base of lathe Double End floating positioning work piece described in -7 any one according to claim 1, It is characterized in that, the diameter of second end face (10) is D2, the diameter of first end face (9) is D1, D2/D1> 3.
- The user of the support base of positioning work piece 9. lathe Double End described in a kind of claim 1-7 any one is floated Method, which is characterized in that include the following steps：(1) Floatable supporting mechanism (11) are packed into outer ring (18)；(2) support base entity (1) is mounted on ontology (12), the bounce of the first supporting surface (7) is adjusted, until the first supporting surface (7) beating scope≤tolerance value A；(3) work piece (20) is placed on support base entity (1), the first supporting surface (7) supports first end face (9)；It is all Floatable supporting mechanism (11) protrusion the second supporting surface (8) one end support second end face (10) jointly；By adjusting branch of floating Support mechanism (11) protrudes the length of the second supporting surface (8), adjusts the beating scope of second end face (10), until second end face (10) Beating scope≤tolerance value B.
- The application method of the support base of positioning work piece 10. a kind of lathe Double End according to claim 9 is floated, It is characterized in that, in step (2), 0.005mm≤tolerance value A≤0.008mm；In step (3), 0.008mm≤tolerance value B≤ 0.012mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872906.0A CN108818022A (en) | 2018-08-02 | 2018-08-02 | A kind of support base and its application method of lathe Double End floating positioning work piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810872906.0A CN108818022A (en) | 2018-08-02 | 2018-08-02 | A kind of support base and its application method of lathe Double End floating positioning work piece |
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| Publication Number | Publication Date |
|---|---|
| CN108818022A true CN108818022A (en) | 2018-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810872906.0A Pending CN108818022A (en) | 2018-08-02 | 2018-08-02 | A kind of support base and its application method of lathe Double End floating positioning work piece |
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| CN206356963U (en) * | 2017-01-11 | 2017-07-28 | 上海西钰机械制造有限公司 | A kind of positioning fixture of automotive hub |
| CN206579856U (en) * | 2016-12-24 | 2017-10-24 | 华南理工大学广州学院 | A kind of levelling bench |
| CN208854173U (en) * | 2018-08-02 | 2019-05-14 | 西安法士特汽车传动有限公司 | A kind of support base of lathe Double End floating positioning work piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5930629A (en) * | 1982-08-07 | 1984-02-18 | Honda Motor Co Ltd | Holding device of bevel gear |
| DE4032881A1 (en) * | 1990-10-17 | 1992-04-23 | Sew Eurodrive Gmbh & Co | Aligning and clamping mandrel for gear blanks, etc. - has expanding collet to centre and clamp blank, with locking spring loaded rods for face support |
| CN203566008U (en) * | 2013-11-07 | 2014-04-30 | 扬州锻压机床股份有限公司 | Gear tool structure of gear hobbing machine |
| CN204504768U (en) * | 2014-12-25 | 2015-07-29 | 宁波吉烨汽配模具有限公司 | A kind of floating support clamping fixture |
| CN205394068U (en) * | 2016-03-10 | 2016-07-27 | 西安法士特汽车传动有限公司 | Modularization seriation boring grab |
| CN106392465A (en) * | 2016-11-08 | 2017-02-15 | 中车戚墅堰机车车辆工艺研究所有限公司 | Duplicate gear tooth aligning device and assembly method thereof |
| CN206579856U (en) * | 2016-12-24 | 2017-10-24 | 华南理工大学广州学院 | A kind of levelling bench |
| CN206356963U (en) * | 2017-01-11 | 2017-07-28 | 上海西钰机械制造有限公司 | A kind of positioning fixture of automotive hub |
| CN208854173U (en) * | 2018-08-02 | 2019-05-14 | 西安法士特汽车传动有限公司 | A kind of support base of lathe Double End floating positioning work piece |
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