CN104625961B - Main feed screw device for grinding machine - Google Patents
Main feed screw device for grinding machine Download PDFInfo
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- CN104625961B CN104625961B CN201410245317.1A CN201410245317A CN104625961B CN 104625961 B CN104625961 B CN 104625961B CN 201410245317 A CN201410245317 A CN 201410245317A CN 104625961 B CN104625961 B CN 104625961B
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- China
- Prior art keywords
- bar segment
- graduated disc
- screw
- screw mandrel
- fixed
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
- B24B47/203—Drives or gearings; Equipment therefor relating to feed movement driven by hand
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a main feed screw device for a grinding machine. The side wall of one end of a screw shaft is provided with a screw gear, the periphery of the middle section of the screw shaft is sleeved with a shaft sleeve, the shaft sleeve supports the screw shaft through a first bearing part and a second bearing part, and the side wall of the shaft sleeve is fixed on the grinding machine through a bolt; a dial and a hand wheel are fixed at the end, far away from the screw gear, of the screw shaft, and the hand wheel, the dial and the screw shaft are in linkage through a flat key. According to the main feed screw device for the grinding machine, the operation steps are simplified, damage is not prone to occurring in use, the flexibility, stability and accuracy are good in the operation process, and therefore the accuracy of a processed grinding piece finished-product is higher.
Description
Technical field
The present invention relates to field of machining, more particularly, to a kind of grinding machine is with main feed screw device.
Background technology
In mechanical part processing, grinding is to ensure that the important procedure of processing of part processing precision.Grinding machine is
Using grinding tool, surface of the work is carried out with the lathe of grinding, its application is widely.In grinding machine equipment, screw rod transmission has
Compact conformation, gear ratio are big, transmission power bracket is big, stable working, can be, the features such as self-locking, to be widely used.However, grinding machine
Used in conventional screw structure stability poor, shift, simultaneously screw mandrel motility, poor accuracy in use, easily
Damage.Therefore, how to manufacture a kind of working stability, during use flexibly, stable, accurately feed screw device become ability
Field technique personnel assistant officer problem to be solved.
Content of the invention
For solving technical problem present in background technology, the present invention proposes a kind of main feed screw device of grinding machine, its
Operating procedure simplifies, and motility, stability and accuracy are good in use, is hardly damaged so that processed mill part becomes
Product precision is higher.
A kind of grinding machine proposed by the present invention with main feed screw device, for driving slide plate, comprising: screw mandrel, pull bar, screw mandrel
Subcomponent, trimming assembly, rod set assembly, bearing assembly, graduated disc assembly, hand wheel component；
Screw mandrel includes the first bar segment and the second bar segment that axis is located along the same line, and described first bar segment outer surface is provided with
Screw thread, described first bar segment is provided with groove near one end end face of described second bar segment, is provided with edge in the middle part of described second bar segment
Axially extended cavity, pull bar one end is provided with handle, and other end end face has and the fit depressions of described first bar segment
Projection, pull bar can insert described cavity from described second bar segment away from one end of described first bar segment away from one end of handle, makes
Obtain described raised and described fit depressions, thus when described first bar segment rotates, driving described second bar segment to rotate；
Screw mandrel subcomponent includes the screw mandrel being fixedly connected with the screw pair of the described first bar segment cooperation of screw mandrel with screw pair
The oiling joint installed in secondary fixed seat and screw pair, screw pair cooperation is arranged in described first bar segment of screw mandrel, screw pair
Fixed seat is fixed on slide plate so that passing through the rotation with regard to its axis for the screw mandrel, and slide plate can move with screw pair component level
Dynamic；
Trimming assembly includes finely tuning fine setting worm gear brake component and the worm-gear driven portion that worm gear is fixedly connected with fine setting worm gear
Part, in described grinding machine with main feed screw device external stability, worm gear set is in the second bar segment periphery of screw mandrel for worm-gear driven part
And near described first bar segment, worm gear brake component, pull bar and screw mandrel are fixed together by worm gear securing member, can be driven by pull bar
Second bar segment is moved horizontally to the first operating position or the second operating position makes worm gear engage with worm-gear driven part or stagger；
Rod set assembly includes inner spacing collar, is enclosed within the outer separator outside inner spacing collar and is enclosed within rod set outside outer separator, bearing
Assembly includes the first angular contact bearing, the second angular contact bearing and the second angular contact bearing is axially fixed on rod set assembly
Bearing (ball) cover, rod set assembly set the second bar segment periphery of screw mandrel and near worm gear away from described first bar segment one end, and
By the first angular contact bearing and the second angular contact bearing support screw, the side wall of rod set is bolted on grinding machine；
Graduated disc assembly be located at screw mandrel described second bar segment on, graduated disc assembly include graduated disc, graduated disc fixed cover,
Graduated disc securing member, scale disk cover, graduated disc fixed cover against rod set away from worm gear one end, scale disk cover is by graduated disc axially
It is fixed on graduated disc fixed cover periphery, the outer wall of graduated disc fixed cover is provided with circumferentially disposed multiple step troughs,
Graduated disc side wall is provided with the through hole corresponding with described ladder groove location, and graduated disc side wall is provided with through hole, and graduated disc fixture is pacified
It is contained in described through hole, and its end may pass through described through hole and is resisted against a step trough on graduated disc fixed cover outer wall
Bottom, so that graduated disc is tangentially fixed on graduated disc fixed cover；
Hand wheel component includes handwheel, the handle being fixed on handwheel and handwheel securing member, and it is solid that handwheel passes through handwheel securing member
It is scheduled in the second bar segment of screw mandrel, and handwheel, against scale disk cover, is provided with flat between handwheel and graduated disc fixed cover and screw mandrel
Key, is linked by flat key between handwheel, graduated disc and pull bar.
Preferably, bearing (ball) cover is screwed in rod set.
Preferably, handwheel and handle surfaces are provided with rough grain.
Preferably, the end of graduated disc fixture is provided with slipmat.
In the present invention, in the grinding machine being proposed with, in main feed screw device, screw mandrel is by the first bar segment and the second bar segment one
Body is constituted, and the first bar segment outer wall is provided with screw thread, and cooperation thereon is provided with the screw mandrel subcomponent connecting slide plate, outside the second bar segment
It is sequentially installed with trimming assembly, axle sleeve, graduated disc and handwheel, insertion inside the second bar segment is secured to the pull bar connecting, axle sleeve
Side wall be bolted on grinding machine, linked by flat key between handwheel, graduated disc and screw axis, when operating handwheel rotation
Turn and coarse adjustment is carried out to slide plate, by moving horizontally pull bar, whether controllable trimming assembly is in operating position, thus to cunning
Plate is finely adjusted.By above-mentioned appropriate design, carry out outside screw mandrel increase screw rod bushing, make lead screw device become one whole
So that screw mandrel operating procedure simplifies, and screw mandrel is hardly damaged body in operation, slide plate is carried out simultaneously coarse adjustment with
Fine setting combines, and the motility of whole device, stability and accuracy are good so that processed mill part finished product accuracy is higher.
Brief description
Fig. 1 is a kind of structural representation with main feed screw device for the grinding machine proposed by the present invention.
Specific embodiment
As shown in figure 1, Fig. 1 is a kind of structural representation with main feed screw device for the grinding machine proposed by the present invention.
With reference to Fig. 1, a kind of grinding machine proposed by the present invention is with main feed screw device, comprising: screw mandrel 1, pull bar 2, screw pair
Assembly 3, trimming assembly 4, rod set assembly 5, bearing assembly 6, graduated disc assembly 7, hand wheel component 8；
Screw mandrel 1 includes the first bar segment and the second bar segment that axis is located along the same line, and described first bar segment outer surface sets
There is screw thread, described first bar segment is provided with groove near one end end face of described second bar segment, is provided with the middle part of described second bar segment
The cavity axially extending, pull bar 2 one end is provided with handle 20, and other end end face has the recess with described first bar segment
The projection closed, pull bar 2 away from handle 20 one end can from the second bar segment away from the first bar segment one end insertion cavity so that described
Raised with described fit depressions, thus when described first bar segment rotates, driving the second bar segment to rotate；
Screw mandrel subcomponent 3 includes the silk being fixedly connected with the screw pair 31 of the first bar segment cooperation of screw mandrel 1 with screw pair 31
The oiling joint 33 installed in bar pair fixed seat 32 and screw pair 31；
Trimming assembly 4 includes finely tuning fine setting worm gear brake component 41 and the worm gear that worm gear 43 is fixedly connected with fine setting worm gear 43
Driver part 44, worm-gear driven part 44 is in described grinding machine with main feed screw device external stability；
Rod set assembly 5 includes inner spacing collar 53, is enclosed within the outer separator 52 outside inner spacing collar 53 and is enclosed within outside outer separator 52
Rod set 51, bearing assembly 6 include the first angular contact bearing 61, the second angular contact bearing 62 and will the second angular contact bearing 62 axially
It is fixed on the bearing (ball) cover 63 on rod set assembly 5；
Graduated disc assembly 7 includes graduated disc 71, graduated disc fixed cover 73, graduated disc securing member 72, scale disk cover 74, scale
Disk fixed cover 73 against rod set 51 away from worm gear 43 one end, graduated disc 71 is axially fixed in graduated disc and fixes by scale disk cover 74
Cover on 73 peripheries, the outer wall of graduated disc fixed cover 73 is provided with circumferentially disposed multiple step troughs, graduated disc 71 side wall
It is provided with the through hole corresponding with ladder groove location, graduated disc 71 side wall is provided with through hole, and graduated disc securing member 72 is installed in through-holes,
And its end may pass through the bottom that through hole is resisted against a step trough on graduated disc fixed cover 73 outer wall, so that graduated disc
71 tangentially fix on graduated disc fixed cover 73；
Hand wheel component 8 includes handwheel 81, the handle 82 being fixed on handwheel 81 and handwheel securing member 83.
In the concrete assembling with main feed screw device for the grinding machine of the present embodiment, screw pair 31 cooperation is arranged on screw mandrel 1
The first bar segment on, screw pair fixed seat 32 be fixed on slide plate 100 so that by screw mandrel 1 with regard to its axis rotation, slide plate
100 can move horizontally with screw mandrel subcomponent 3, and worm gear 43 is enclosed within the second bar segment periphery of screw mandrel 1 and near described first bar
Section, worm gear brake component 41, pull bar 2 and screw mandrel 1 are fixed together by worm gear securing member 42, can be made by moving horizontally of pull bar 2
Worm gear 43 is engaged with worm-gear driven part 44 or staggers, and rod set assembly 5 is enclosed within the second bar segment periphery of screw mandrel 1 and near worm gear 43
Away from one end of the first bar segment, and pass through the first angular contact bearing 61 and the second angular contact bearing 62 support screw 1, rod set 51
Side wall be bolted on grinding machine 200, graduated disc assembly 7 is fixed on the second of screw mandrel 1 by graduated disc fixed cover 73
In bar segment, handwheel 81 is fixed in the second bar segment of screw mandrel 1 by handwheel securing member 83, and handwheel 81 is against scale disk cover
74, be provided with flat key 9 between handwheel 81 and graduated disc fixed cover 73 and screw mandrel 1, hand wheel component 8, graduated disc assembly 7 and pull bar 2 it
Between linked by flat key 9.
In the specific work process with main feed screw device for the grinding machine of the present embodiment, the main feed screw of above-mentioned grinding machine
Device is installed on grinder bed, and during coarse adjustment, operator pass through 20 Level Promoting pull bars 2 of shaking hands, and so that the second bar segment is located at
First operating position, so that worm gear 43 is staggered with worm-gear driven part 44, is then rotated hand wheel component 8, is driven by flat key 9
Graduated disc assembly 7 and screw mandrel 1, are moved horizontally with the slide plate 100 driving screw mandrel subcomponent 3 to connect, and the wherein second bar segment passes through the
One angular contact ball bearing 61 and the second angular contact ball bearing 62 rotate so that with respect to rod set assembly 5 in screw mandrel 1 rotation process more
Plus flexible, stable and degree of accuracy height, grinding machine is realized the more accurate handwheel coarse adjustment to screw mandrel；During fine setting, operator are led to
Pull bar 2 is pulled out by the pulling crossing handle 20, makes the second bar segment be located at the second operating position, so that worm gear 43 and worm-gear driven portion
Part 44 engages, and then drives screw mandrel 1 finely to rotate, thus carrying out screw mandrel accurate adjustment by worm-gear driven part 44.Work as operator
During pausing operation, can be by adjustment dial securing member 72 so as to end be against a rank on graduated disc fixed cover 73 outer wall
Terraced trench bottom is so that graduated disc 71 is fixed on graduated disc fixed cover 73.During adjusting screw mandrel, the tune of handwheel coarse adjustment screw mandrel
Section precision is about ± 0.05mm, and it is ± 0.001mm that worm-gear driven part 44 drives the precision that fine-tunes of screw mandrel 1.
In a particular embodiment, bearing (ball) cover 63 is screwed on rod set assembly 51, when angular contact ball bearing is long
When phase is using occurring abrasion, can be easy to will unload on bearing (ball) cover 63 rod set assembly 5, thus being convenient for changing angular contact ball bearing.
Hand wheel component 8 surface is provided with rough grain, increases the frictional force between operator's hand and hand wheel component 8, prevents
Only skid, thus improving the degree of accuracy of whole device fine setting.
The end of graduated disc securing member 72 is provided with slipmat, when operator's pausing operation, tightens graduated disc securing member
72 so that be not susceptible between graduated disc 71 and graduated disc fixed cover 73 slide.
In the present embodiment, in the present invention, in the grinding machine being proposed with, in main feed screw device, screw mandrel is by the first bar segment
It is integrally formed with the second bar segment, the first bar segment outer wall is provided with screw thread, cooperation thereon is provided with the screw mandrel subcomponent connecting slide plate,
It is sequentially installed with trimming assembly, axle sleeve, graduated disc and handwheel, insertion inside the second bar segment is secured to connect outside second bar segment
Pull bar, the side wall of axle sleeve is bolted on grinding machine, is linked by flat key between handwheel, graduated disc and screw axis, when
During work, handwheel rotation carries out coarse adjustment to slide plate, and by moving horizontally pull bar, whether controllable trimming assembly is in work
Position, thus be finely adjusted to slide plate.By above-mentioned appropriate design, carry out increasing screw rod bushing outside screw mandrel, make screw mandrel
Device becomes an entirety so that screw mandrel operating procedure simplifies, and screw mandrel is hardly damaged in operation, simultaneously to slide plate
Carry out coarse adjustment and fine setting combines, the motility of whole device, stability and accuracy are good so that processed mill part becomes
Product precision is higher.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (4)
1. a kind of grinding machine is with main feed screw device, for driving slide plate (100) it is characterised in that including: screw mandrel (1), pull bar
(2), screw mandrel subcomponent (3), trimming assembly (4), rod set assembly (5), bearing assembly (6), graduated disc assembly (7), hand wheel component
(8)；
Screw mandrel (1) includes the first bar segment and the second bar segment that axis is located along the same line, and described first bar segment outer surface is provided with
Screw thread, described first bar segment is provided with groove near one end end face of described second bar segment, is provided with edge in the middle part of described second bar segment
Axially extended cavity, pull bar (2) one end is provided with handle (20), and other end end face has the groove phase with described first bar segment
The projection of cooperation, pull bar (2) can leave away from the cavity of described first bar segment from described second bar segment away from one end of handle (20)
Mouthful place insert described cavity cavity so that described raised with described fit depressions, thus when described first bar segment rotates, carrying
Dynamic described second bar segment rotates；
Screw mandrel subcomponent (3) includes fixing with the screw pair (31) of the described first bar segment cooperation of screw mandrel (1) and screw pair (31)
The screw pair fixed seat (32) connecting and the upper oiling joint (33) installed of screw pair (31), screw pair (31) cooperation is arranged on silk
In described first bar segment of bar (1), screw pair fixed seat (32) is fixed on slide plate (100) above so that passing through screw mandrel (1) with regard to it
The rotation of axis, slide plate (100) can move horizontally with screw mandrel subcomponent (3)；
Trimming assembly (4) include fine setting worm gear (43) and fine setting worm gear (43) fine setting worm gear brake component (41) that is fixedly connected and
Worm-gear driven part (44), worm-gear driven part (44) is in described grinding machine main feed screw device external stability, worm gear (43)
Be enclosed within the second bar segment periphery of screw mandrel (1) and near described first bar segment, worm gear securing member (42) by worm gear brake component (41), draw
Bar (2) and screw mandrel (1) are fixed together, and the second bar segment can be driven to be moved horizontally to the first operating position or the by pull bar (2)
Two operating positions make worm gear (43) engage with worm-gear driven part (44) or stagger；
Rod set assembly (5) includes inner spacing collar (53), is enclosed within the outside outer separator (52) of inner spacing collar (53) and is enclosed within outer separator (52)
Outside rod set (51), bearing assembly (6) includes the first angular contact bearing (61), the second angular contact bearing (62) and by second jiao
Contact bearing (62) is axially fixed in the bearing (ball) cover (63) on rod set assembly (5), and rod set assembly (5) is enclosed within the of screw mandrel (1)
Two bar segment peripheries and near worm gear (43) away from described first bar segment one end, and by the first angular contact bearing (61) and the
Two angular contact bearings (62) support screw (1), the side wall of rod set (51) is bolted on grinding machine (200)；
Graduated disc assembly (7) is located in described second bar segment of screw mandrel (1), and graduated disc assembly (7) includes graduated disc (71), scale
Disk fixed cover (73), graduated disc securing member (72), scale disk cover (74), graduated disc fixed cover (73) is against rod set (51) away from snail
One end of wheel (43), graduated disc (71) is axially fixed on graduated disc fixed cover (73) periphery scale disk cover (74), graduated disc
The outer wall of fixed cover (73) is provided with circumferentially disposed multiple step troughs, and graduated disc (71) side wall is provided with and described ladder
The corresponding through hole of groove location, graduated disc (71) side wall is provided with through hole, and graduated disc securing member (72) is arranged in described through hole, and
And its end may pass through the bottom that described through hole is resisted against a step trough on graduated disc fixed cover (73) outer wall, so that carving
Scale (71) is tangentially fixed on graduated disc fixed cover (73)；
Hand wheel component (8) includes handwheel (81), the handle (82) being fixed on handwheel (81) and handwheel securing member (83), handwheel
(81) it is fixed in the second bar segment of screw mandrel (1) by handwheel securing member (83), and handwheel (81) is against scale disk cover (74),
It is provided with flat key (9), hand wheel component (8), graduated disc assembly (7) between handwheel (81) and graduated disc fixed cover (73) and screw mandrel (1)
Pass through flat key (9) to link and pull bar (2) between.
2. grinding machine according to claim 1 with main feed screw device it is characterised in that bearing (ball) cover (63) pass through screw
It is fixed in rod set (51).
3. grinding machine according to claim 1 with main feed screw device it is characterised in that handwheel (81) and handle (82) table
Face is provided with rough grain.
4. grinding machine according to claim 1 with main feed screw device it is characterised in that the end of graduated disc securing member (72)
End is provided with slipmat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245317.1A CN104625961B (en) | 2014-06-04 | 2014-06-04 | Main feed screw device for grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410245317.1A CN104625961B (en) | 2014-06-04 | 2014-06-04 | Main feed screw device for grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104625961A CN104625961A (en) | 2015-05-20 |
| CN104625961B true CN104625961B (en) | 2017-01-25 |
Family
ID=53205435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410245317.1A Active CN104625961B (en) | 2014-06-04 | 2014-06-04 | Main feed screw device for grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104625961B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891255A (en) * | 2017-03-06 | 2017-06-27 | 芜湖中驰机床制造有限公司 | A kind of numerical-control lead screw feed arrangement |
| CN109202560B (en) * | 2018-09-14 | 2020-06-09 | 芜湖文青机械设备设计有限公司 | Automatic change numerically control grinder |
| CN109015375A (en) * | 2018-09-14 | 2018-12-18 | 芜湖中驰机床制造有限公司 | A kind of grinding machine with auto-feed compensation function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535660A (en) * | 1983-06-07 | 1985-08-20 | Pesiri Enterprises, Inc. | Lathe tailstock drive attachment |
| CN1887529A (en) * | 2006-07-11 | 2007-01-03 | 南通第二机床有限公司 | Transmission device of vertical feeding mechanism in grinder |
| CN200991838Y (en) * | 2006-10-16 | 2007-12-19 | 南通第二机床有限公司 | Plane grinder vertical feeding drive, speed-reducing mechanism |
| CN202753005U (en) * | 2012-09-03 | 2013-02-27 | 无锡市明鑫机床有限公司 | Main feeding mechanism of centerless grinding machine |
| CN202753006U (en) * | 2012-09-03 | 2013-02-27 | 无锡市明鑫机床有限公司 | Fixed body feeding mechanism of centerless grinding machine |
| CN203918781U (en) * | 2014-06-04 | 2014-11-05 | 芜湖中驰机床制造有限公司 | Main feed screw device for a kind of grinding machine |
-
2014
- 2014-06-04 CN CN201410245317.1A patent/CN104625961B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535660A (en) * | 1983-06-07 | 1985-08-20 | Pesiri Enterprises, Inc. | Lathe tailstock drive attachment |
| CN1887529A (en) * | 2006-07-11 | 2007-01-03 | 南通第二机床有限公司 | Transmission device of vertical feeding mechanism in grinder |
| CN200991838Y (en) * | 2006-10-16 | 2007-12-19 | 南通第二机床有限公司 | Plane grinder vertical feeding drive, speed-reducing mechanism |
| CN202753005U (en) * | 2012-09-03 | 2013-02-27 | 无锡市明鑫机床有限公司 | Main feeding mechanism of centerless grinding machine |
| CN202753006U (en) * | 2012-09-03 | 2013-02-27 | 无锡市明鑫机床有限公司 | Fixed body feeding mechanism of centerless grinding machine |
| CN203918781U (en) * | 2014-06-04 | 2014-11-05 | 芜湖中驰机床制造有限公司 | Main feed screw device for a kind of grinding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104625961A (en) | 2015-05-20 |
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Effective date of registration: 20200820 Address after: 241100 Anhui Xinwu Economic Development Zone, Wuhu County, Wuhu City, Anhui Province (within Wuhu Zhongchi Machine Tool Manufacturing Co., Ltd.) Patentee after: Wuhu Zhongchi Robot Technology Co., Ltd Address before: The main road 241100 Anhui city of Wuhu Province Wuhu Economic Development Zone No. 858 Patentee before: WUHU ZHONGCHI MACHINE TOOL MANUFACTURE Co.,Ltd. |
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