CN104451831A - Special sand applying process and equipment for diamond wire saw - Google Patents
Special sand applying process and equipment for diamond wire saw Download PDFInfo
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- CN104451831A CN104451831A CN201410766823.5A CN201410766823A CN104451831A CN 104451831 A CN104451831 A CN 104451831A CN 201410766823 A CN201410766823 A CN 201410766823A CN 104451831 A CN104451831 A CN 104451831A
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Abstract
The invention discloses a special sand applying process and equipment for a diamond wire saw. The special sand applying process specifically comprises the following: step a, pretreatment, placing a metal wire in a degreasing solution, a first rinsing solution, a rust removal solution and a second rinsing solution sequentially to remove oil and rust on the metal wire; and step b, sand applying, placing the pretreated metal wire in a vertical sand applying device and a horizontal sand applying device which are filled with diamond sand sequentially for applying sand, and making the diamond wire saw. The used equipment comprises a pay-off machine (1), an oil sump (2), a first rinsing tank (3), a rust removal tank (4), a second rinsing tank (5), a vertical sand applying device (6), a horizontal sand applying device (7) and a wire reel (8) which are sequentially arranged. The special sand applying process and equipment provided by the invention can effectively compensate for the defects of the prior art, the quality of the diamond wire saw is effectively improved through the vertical sand applying method and equipment, the processing efficiency is effectively improved, and the processing cost is reduced.
Description
Technical field
The present invention relates to the special vertical upper sand Processes and apparatus of a kind of diamond fret saw, belong to plated film field.
Background technology
In prior art, the working method of diamond fret saw is comparatively simple, be generally the method for pure artificial, not only time-consuming but also need at substantial manpower and materials, on in the process of processing diamond fret saw, sand is the step of most critical, in prior art, upper sand normally carries out in the plating tank of a level, and this method and the equipment Problems existing used are diamond dust skewness, and the diamond fret saw quality of making is lower.
Summary of the invention
The object of the invention is to, there is provided a kind of diamond fret saw special vertical upper sand Processes and apparatus, it effectively can make up the deficiencies in the prior art, effectively improves the quality of diamond fret saw by vertically going up husky method and apparatus, and effectively improve working (machining) efficiency, reduce tooling cost.
Technical scheme of the present invention: the special vertical upper sand technique of a kind of diamond fret saw, specifically comprises the following steps:
Step a, pre-treatment, by tinsel successively by except oil solution, the first cleaning solution, deruster and the second cleaning solution, removes the oil on tinsel and rust;
Step b, upper sand, successively carries out upper sand by the sand device in sand device and level of vertically going up being filled with diamond grain by pretreated tinsel, makes diamond fret saw.
In the special vertical upper sand technique of front described diamond fret saw, described except oil solution employing degreasing powder solution, the first cleaning solution and the second cleaning solution adopt pure water, and deruster adopts dilute sulphuric acid.
In the special vertical upper sand technique of front described diamond fret saw, be provided with 2 nickel plates in described vertical upper sand device and be filled with diamond grain and nickel sulfate solution, tinsel is penetrated by the bottom of vertically going up sand device and passes from top, in the process of tinsel motion, be 2 nickel plate energisings, nickel plate is as anode, and tinsel is as negative electrode, diamond grain is attached on tinsel, completes first time upper sand;
The tinsel completing first time upper sand is penetrated by one end of sand device in level, pass from the other end, level is provided with 2 nickel plates in sand device and is filled with diamond grain and single nickel salt particle, in the process of tinsel sand device in the level of passing, nickel plate is as anode, tinsel is as negative electrode, after the energising of nickel plate, more diamond grain is adsorbed on tinsel, completes the upper sand of second time;
In the special vertical upper sand technique of front described diamond fret saw, be filled with liquid sulfuric acid nickel in vertical above sand device, level is filled with solid-state single nickel salt in sand device.
In the special vertical upper sand technique of front described diamond fret saw, described tinsel adopts piano wire or high-carbon steel wire.
In the special vertical upper sand technique of front described diamond fret saw, the translational speed of described tinsel is 5m/min ~ 20m/min.
The special vertical upper sand equipment of a kind of diamond fret saw, comprise arrange in turn paying out machine, degreasing tank, the first rinse bath, rust cleaning groove, the second rinse bath, vertical upper sand device, sand device and wire reel in level.
In the special vertical upper sand equipment of aforesaid diamond fret saw, described degreasing tank, the first rinse bath, rust cleaning groove identical with the second rinse bath structure, include cell body, the first changed course pulley, the second changed course pulley and the 3rd changed course pulley, first changed course pulley and the second changed course pulley are symmetrical arranged the top of cell body, the bottom in cell body is located at by 3rd changed course pulley, the first changed course pulley, the second changed course pulley and the 3rd changed course pulley three distribution triangular in shape.
In the special vertical upper sand equipment of aforesaid diamond fret saw, vertical upper sand device comprises the first housing, nickel plate, the 4th changed course pulley and the 5th changed course pulley, first housing is vertically arranged, 4th changed course pulley and the 5th changed course pulley are symmetricly set on top and the bottom of the first housing, top and the bottom of the first housing are equipped with through hole, through hole is wherein provided with O-ring seal, and the first enclosure interior is provided with 2 blocks of symmetrically arranged nickel plates; The bottom of the first housing is also provided with the inlet pipe be communicated with it.The diamond grain in the first housing can be made to be evenly distributed by arranging tracheae.
In the special vertical upper sand equipment of aforesaid diamond fret saw, in level, sand device comprises the second housing, the 6th changed course pulley and the 7th changed course pulley, second housing is horizontally disposed with, 6th changed course pulley and the 7th changed course pulley are symmetricly set on the two ends of the second housing, the two ends of the second housing are equipped with through hole, are provided with 2 blocks of symmetrically arranged nickel plates in the second housing.
Compared with prior art, the present invention is by vertically arranging the first housing, and set up inlet pipe, on the one hand the diamond grain in the first housing is uniformly distributed, can make on the other hand that diamond grain is even must be plated on tinsel, by sand device and wire reel in the paying out machine that arranges in turn, degreasing tank, the first rinse bath, rust cleaning groove, the second rinse bath, vertical upper sand device, level, effectively instead of traditional artificial production method, reduce production cost, and effectively improve production efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of degreasing tank, the first rinse bath, rust cleaning groove and the second rinse bath;
Fig. 3 is the structural representation vertically going up sand device;
Fig. 4 is the structural representation of sand device in level.
Being labeled as in accompanying drawing: 1-paying out machine, 2-degreasing tank, 3-first rinse bath, 4-eliminates rust groove, 5-second rinse bath, 6-vertically goes up sand device, sand device in 7-level, 8-wire reel, 9-cell body, 10-first alters course pulley, and 11-second alters course pulley, and 12-the 3rd alters course pulley, 13-first housing, 14-nickel plate, 15-the 4th alters course pulley, 16-the 5th alters course pulley, 17-O-ring seal, 18-inlet pipe, 19-second housing, 20-the 6th alters course pulley, and 21-the 7th alters course pulley.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
Embodiments of the invention 1: the special vertical upper sand technique of a kind of diamond fret saw, specifically comprises the following steps:
Step a, pre-treatment, by tinsel successively by except oil solution, the first cleaning solution, deruster and the second cleaning solution, removes the oil on tinsel and rust; Described except oil solution employing degreasing powder solution, the first cleaning solution and the second cleaning solution adopt pure water, and deruster adopts dilute sulphuric acid;
Step b, upper sand, successively carries out upper sand by the sand device in sand device and level of vertically going up being filled with diamond grain by pretreated tinsel, makes diamond fret saw.Be provided with 2 nickel plates in described vertical upper sand device and be filled with diamond grain and nickel sulfate solution, tinsel is penetrated by the bottom of vertically going up sand device and passes from top, in the process of tinsel motion, be 2 nickel plate energisings, nickel plate is as anode, tinsel is as negative electrode, and diamond grain is attached on tinsel, completes first time upper sand;
The tinsel completing first time upper sand is penetrated by one end of sand device in level, pass from the other end, level is provided with 2 nickel plates in sand device and is filled with diamond grain and single nickel salt particle, in the process of tinsel sand device in the level of passing, nickel plate is as anode, tinsel is as negative electrode, after the energising of nickel plate, more diamond grain is adsorbed on tinsel, completes the upper sand of second time; Be filled with liquid sulfuric acid nickel in vertical upper sand device, level is filled with solid-state single nickel salt in sand device.Described tinsel adopts piano wire.The translational speed of tinsel is 5m/min.
The special vertical upper sand equipment of a kind of diamond fret saw, as shown in Figure 1, comprises sand device 7 and wire reel 8 in paying out machine 1, degreasing tank 2, first rinse bath 3 arranged in turn, groove 4, second rinse bath 5 that eliminates rust, vertical upper sand device 6, level.
As shown in Figure 2, described degreasing tank 2, first rinse bath 3, rust cleaning groove 4 are identical with the second rinse bath 5 structure, include cell body 9, first changed course pulley 10, second changed course pulley 11 and the 3rd changed course pulley 12, first changed course pulley 10 and the second changed course pulley 11 are symmetrical arranged the top of cell body 9, the bottom in cell body 9 is located at by 3rd changed course pulley 12, the first changed course pulley 10, second changed course pulley 11 and the 3rd changed course pulley 12 three distribution triangular in shape.
As shown in Figure 3, vertical upper sand device 6 comprises the first housing 13, nickel plate 14, the 4th changed course pulley 15 and the 5th changed course pulley 16, first housing 13 is vertically arranged, 4th changed course pulley 15 and the 5th changed course pulley 16 are symmetricly set on top and the bottom of the first housing 13, top and the bottom of the first housing 13 are equipped with through hole, through hole is wherein provided with O-ring seal 17, and the first housing 13 inside is provided with 2 blocks of symmetrically arranged nickel plates 14; The bottom of the first housing 13 is also provided with the inlet pipe 18 be communicated with it.
As shown in Figure 4, in level, sand device 7 comprises the second housing 19, the 6th changed course pulley 20 and the 7th changed course pulley 21, second housing 19 is horizontally disposed with, 6th changed course pulley 20 and the 7th changed course pulley 21 are symmetricly set on the two ends of the second housing 19, the two ends of the second housing 19 are equipped with through hole, are provided with 2 blocks of symmetrically arranged nickel plates 14 in the second housing 19.
Embodiments of the invention 2: the special vertical upper sand technique of a kind of diamond fret saw, specifically comprises the following steps:
Step a, pre-treatment, by tinsel successively by except oil solution, the first cleaning solution, deruster and the second cleaning solution, removes the oil on tinsel and rust; Described except oil solution employing degreasing powder solution, the first cleaning solution and the second cleaning solution adopt pure water, and deruster adopts dilute sulphuric acid;
Step b, upper sand, successively carries out upper sand by the sand device in sand device and level of vertically going up being filled with diamond grain by pretreated tinsel, makes diamond fret saw.Be provided with 2 nickel plates in described vertical upper sand device and be filled with diamond grain and nickel sulfate solution, tinsel is penetrated by the bottom of vertically going up sand device and passes from top, in the process of tinsel motion, be 2 nickel plate energisings, nickel plate is as anode, tinsel is as negative electrode, and diamond grain is attached on tinsel, completes first time upper sand;
The tinsel completing first time upper sand is penetrated by one end of sand device in level, pass from the other end, level is provided with 2 nickel plates in sand device and is filled with diamond grain and single nickel salt particle, in the process of tinsel sand device in the level of passing, nickel plate is as anode, tinsel is as negative electrode, after the energising of nickel plate, more diamond grain is adsorbed on tinsel, completes the upper sand of second time; Be filled with liquid sulfuric acid nickel in vertical upper sand device, level is filled with solid-state single nickel salt in sand device.
Described tinsel adopts high-carbon steel wire.The translational speed of tinsel is 20m/min.
The special vertical upper sand equipment of a kind of diamond fret saw, as shown in Figure 1, comprises sand device 7 and wire reel 8 in paying out machine 1, degreasing tank 2, first rinse bath 3 arranged in turn, groove 4, second rinse bath 5 that eliminates rust, vertical upper sand device 6, level.
As shown in Figure 2, described degreasing tank 2, first rinse bath 3, rust cleaning groove 4 are identical with the second rinse bath 5 structure, include cell body 9, first changed course pulley 10, second changed course pulley 11 and the 3rd changed course pulley 12, first changed course pulley 10 and the second changed course pulley 11 are symmetrical arranged the top of cell body 9, the bottom in cell body 9 is located at by 3rd changed course pulley 12, the first changed course pulley 10, second changed course pulley 11 and the 3rd changed course pulley 12 three distribution triangular in shape.
As shown in Figure 3, vertical upper sand device 6 comprises the first housing 13, nickel plate 14, the 4th changed course pulley 15 and the 5th changed course pulley 16, first housing 13 is vertically arranged, 4th changed course pulley 15 and the 5th changed course pulley 16 are symmetricly set on top and the bottom of the first housing 13, top and the bottom of the first housing 13 are equipped with through hole, through hole is wherein provided with O-ring seal 17, and the first housing 13 inside is provided with 2 blocks of symmetrically arranged nickel plates 14; The bottom of the first housing 13 is also provided with the inlet pipe 18 be communicated with it.
As shown in Figure 4, in level, sand device 7 comprises the second housing 19, the 6th changed course pulley 20 and the 7th changed course pulley 21, second housing 19 is horizontally disposed with, 6th changed course pulley 20 and the 7th changed course pulley 21 are symmetricly set on the two ends of the second housing 19, the two ends of the second housing 19 are equipped with through hole, are provided with 2 blocks of symmetrically arranged nickel plates 14 in the second housing 19.
Embodiments of the invention 3: the special vertical upper sand technique of a kind of diamond fret saw, specifically comprises the following steps:
Step a, pre-treatment, by tinsel successively by except oil solution, the first cleaning solution, deruster and the second cleaning solution, removes the oil on tinsel and rust; Described except oil solution employing degreasing powder solution, the first cleaning solution and the second cleaning solution adopt pure water, and deruster adopts dilute sulphuric acid;
Step b, upper sand, successively carries out upper sand by the sand device in sand device and level of vertically going up being filled with diamond grain by pretreated tinsel, makes diamond fret saw.Be provided with 2 nickel plates in described vertical upper sand device and be filled with diamond grain and nickel sulfate solution, tinsel is penetrated by the bottom of vertically going up sand device and passes from top, in the process of tinsel motion, be 2 nickel plate energisings, nickel plate is as anode, tinsel is as negative electrode, and diamond grain is attached on tinsel, completes first time upper sand;
The tinsel completing first time upper sand is penetrated by one end of sand device in level, pass from the other end, level is provided with 2 nickel plates in sand device and is filled with diamond grain and single nickel salt particle, in the process of tinsel sand device in the level of passing, nickel plate is as anode, tinsel is as negative electrode, after the energising of nickel plate, more diamond grain is adsorbed on tinsel, completes the upper sand of second time; Be filled with liquid sulfuric acid nickel in vertical upper sand device, level is filled with solid-state single nickel salt in sand device.
Described tinsel adopts piano wire.The translational speed of tinsel is 15m/min.
The special vertical upper sand equipment of a kind of diamond fret saw, as shown in Figure 1, comprises sand device 7 and wire reel 8 in paying out machine 1, degreasing tank 2, first rinse bath 3 arranged in turn, groove 4, second rinse bath 5 that eliminates rust, vertical upper sand device 6, level.
As shown in Figure 2, described degreasing tank 2, first rinse bath 3, rust cleaning groove 4 are identical with the second rinse bath 5 structure, include cell body 9, first changed course pulley 10, second changed course pulley 11 and the 3rd changed course pulley 12, first changed course pulley 10 and the second changed course pulley 11 are symmetrical arranged the top of cell body 9, the bottom in cell body 9 is located at by 3rd changed course pulley 12, the first changed course pulley 10, second changed course pulley 11 and the 3rd changed course pulley 12 three distribution triangular in shape.
As shown in Figure 3, vertical upper sand device 6 comprises the first housing 13, nickel plate 14, the 4th changed course pulley 15 and the 5th changed course pulley 16, first housing 13 is vertically arranged, 4th changed course pulley 15 and the 5th changed course pulley 16 are symmetricly set on top and the bottom of the first housing 13, top and the bottom of the first housing 13 are equipped with through hole, through hole is wherein provided with O-ring seal 17, and the first housing 13 inside is provided with 2 blocks of symmetrically arranged nickel plates 14; The bottom of the first housing 13 is also provided with the inlet pipe 18 be communicated with it.
As shown in Figure 4, in level, sand device 7 comprises the second housing 19, the 6th changed course pulley 20 and the 7th changed course pulley 21, second housing 19 is horizontally disposed with, 6th changed course pulley 20 and the 7th changed course pulley 21 are symmetricly set on the two ends of the second housing 19, the two ends of the second housing 19 are equipped with through hole, are provided with 2 blocks of symmetrically arranged nickel plates 14 in the second housing 19.
The paying out machine 1 used in above-described embodiment and wire reel 8 are existing installation, can obtain by buying.
Claims (10)
1. the special vertical upper sand technique of diamond fret saw, is characterized in that, specifically comprise the following steps:
Step a, pre-treatment, by tinsel successively by except oil solution, the first cleaning solution, deruster and the second cleaning solution, removes the oil on tinsel and rust;
Step b, upper sand, successively carries out upper sand by the sand device in sand device and level of vertically going up being filled with diamond grain by pretreated tinsel, makes diamond fret saw.
2. the special vertical upper sand technique of diamond fret saw according to claim 1, is characterized in that: described except oil solution employing degreasing powder solution, the first cleaning solution and the second cleaning solution adopt pure water, and deruster adopts dilute sulphuric acid.
3. the special vertical upper sand technique of diamond fret saw according to claim 1 and 2, it is characterized in that: be provided with 2 nickel plates in described vertical upper sand device and be filled with diamond grain and nickel sulfate solution, tinsel is penetrated by the bottom of vertically going up sand device and passes from top, in the process of tinsel motion, be 2 nickel plate energisings, nickel plate is as anode, and tinsel is as negative electrode, diamond grain is attached on tinsel, completes first time upper sand;
The tinsel completing first time upper sand is penetrated by one end of sand device in level, pass from the other end, level is provided with 2 nickel plates in sand device and is filled with diamond grain and single nickel salt particle, in the process of tinsel sand device in the level of passing, nickel plate is as anode, tinsel is as negative electrode, after the energising of nickel plate, more diamond grain is adsorbed on tinsel, completes the upper sand of second time.
4. the special vertical upper sand technique of diamond fret saw according to claim 3, is characterized in that: be filled with liquid sulfuric acid nickel in vertical upper sand device, level is filled with solid-state single nickel salt in sand device.
5. the special vertical upper sand technique of diamond fret saw according to claim 4, is characterized in that: described tinsel adopts piano wire or high-carbon steel wire.
6. the special vertical upper sand technique of diamond fret saw according to claim 1, is characterized in that: the translational speed of described tinsel is 5m/min ~ 20m/min.
7. the special vertical upper sand equipment of diamond fret saw, is characterized in that: comprise arrange in turn paying out machine (1), degreasing tank (2), the first rinse bath (3), rust cleaning groove (4), the second rinse bath (5), vertical upper sand device (6), sand device (7) and wire reel (8) in level.
8. the special vertical upper sand equipment of diamond fret saw according to claim 7, it is characterized in that: described degreasing tank (2), first rinse bath (3), rust cleaning groove (4) is identical with the second rinse bath (5) structure, include cell body (9), first changed course pulley (10), second changed course pulley (11) and the 3rd changed course pulley (12), first changed course pulley (10) and the second changed course pulley (11) are symmetrical arranged the top of cell body (9), the bottom in cell body (9) is located in 3rd changed course pulley (12), first changed course pulley (10), second changed course pulley (11) and the 3rd changed course pulley (12) three distribution triangular in shape.
9. the special vertical upper sand equipment of the diamond fret saw according to claim 7 or 8, it is characterized in that: vertical upper sand device (6) comprises the first housing (13), nickel plate (14), 4th changed course pulley (15) and the 5th changed course pulley (16), first housing (13) is vertically arranged, 4th changed course pulley (15) and the 5th changed course pulley (16) are symmetricly set on top and the bottom of the first housing (13), top and the bottom of the first housing (13) are equipped with through hole, through hole is wherein provided with O-ring seal (17), first housing (13) inside is provided with 2 pieces of symmetrically arranged nickel plates (14), the bottom of the first housing (13) is also provided with the inlet pipe (18) be communicated with it.
10. the special vertical upper sand equipment of diamond fret saw according to claim 9, it is characterized in that: in level, sand device (7) comprises the second housing (19), the 6th changed course pulley (20) and the 7th changed course pulley (21), second housing (19) is horizontally disposed with, 6th changed course pulley (20) and the 7th changed course pulley (21) are symmetricly set on the two ends of the second housing (19), the two ends of the second housing (19) are equipped with through hole, are provided with 2 pieces of symmetrically arranged nickel plates (14) in the second housing (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766823.5A CN104451831B (en) | 2014-12-12 | 2014-12-12 | A kind of special vertically upper sand Processes and apparatus of diamond fret saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410766823.5A CN104451831B (en) | 2014-12-12 | 2014-12-12 | A kind of special vertically upper sand Processes and apparatus of diamond fret saw |
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| Publication Number | Publication Date |
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| CN104451831A true CN104451831A (en) | 2015-03-25 |
| CN104451831B CN104451831B (en) | 2017-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410766823.5A Active CN104451831B (en) | 2014-12-12 | 2014-12-12 | A kind of special vertically upper sand Processes and apparatus of diamond fret saw |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105420799A (en) * | 2015-12-30 | 2016-03-23 | 长沙岱勒新材料科技股份有限公司 | Plating tank, diamond fretsaw manufacturing device and manufacturing method thereof |
| CN106467976A (en) * | 2015-08-20 | 2017-03-01 | 上海枫讯精密机械零件有限公司 | A kind of device preparing electroplating diamond wire saw |
| CN107812747A (en) * | 2017-11-30 | 2018-03-20 | 浙江新瑞欣精密线锯有限公司 | Cleaning device after a kind of plating of scroll saw |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101531035B (en) * | 2009-04-21 | 2014-04-16 | 青岛科技大学 | A method for manufacturing electroplating diamond wire saw |
| CN203034117U (en) * | 2012-12-31 | 2013-07-03 | 郑州磨料磨具磨削研究所 | Sand feeding device of electroplated diamond wire saw |
| CN203096206U (en) * | 2013-01-28 | 2013-07-31 | 湖州东尼电子有限公司 | Vertical sand feeding electroplating diamond wire sawing device |
-
2014
- 2014-12-12 CN CN201410766823.5A patent/CN104451831B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106467976A (en) * | 2015-08-20 | 2017-03-01 | 上海枫讯精密机械零件有限公司 | A kind of device preparing electroplating diamond wire saw |
| CN106467976B (en) * | 2015-08-20 | 2018-09-11 | 上海枫讯精密机械零件有限公司 | A kind of device preparing electroplating diamond wire saw |
| CN105420799A (en) * | 2015-12-30 | 2016-03-23 | 长沙岱勒新材料科技股份有限公司 | Plating tank, diamond fretsaw manufacturing device and manufacturing method thereof |
| CN107812747A (en) * | 2017-11-30 | 2018-03-20 | 浙江新瑞欣精密线锯有限公司 | Cleaning device after a kind of plating of scroll saw |
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| Publication number | Publication date |
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| CN104451831B (en) | 2017-09-05 |
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Effective date of registration: 20151019 Address after: 518103, No. 185 Teng Feng North Road, Lantau Peak Road, Fuyong Town, Shenzhen, Guangdong, Baoan District Applicant after: Liu Guojia Address before: 518103, No. 185 Teng Feng North Road, Lantau Peak Road, Fuyong Town, Shenzhen, Guangdong, Baoan District Applicant before: SHENZHEN HUAHONG ELECTRIAL AND PRECISION TECHNOLOGY CO., LTD. |
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Effective date of registration: 20181227 Address after: 528400 No. 7 No. 2 Patriotic Industrial Zone, Sanjiao Town, Zhongshan City, Guangdong Province Patentee after: Zhongshan ponder Electronic Technology Co., Ltd. Address before: 518103 No. 185 Tengfeng North Road, Fenghuangshan Avenue, Fuyong Town, Baoan District, Shenzhen City, Guangdong Province Patentee before: Liu Guojia |
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