CN111331437A - Stainless steel pipe polishing process and polishing equipment - Google Patents
Stainless steel pipe polishing process and polishing equipment Download PDFInfo
- Publication number
- CN111331437A CN111331437A CN202010295899.XA CN202010295899A CN111331437A CN 111331437 A CN111331437 A CN 111331437A CN 202010295899 A CN202010295899 A CN 202010295899A CN 111331437 A CN111331437 A CN 111331437A
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- stainless steel
- polishing
- steel pipe
- cooling
- grinding
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
- B24B29/06—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction
- B24B29/08—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces for elongated workpieces having uniform cross-section in one main direction the cross-section being circular, e.g. tubes, wires, needles
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/02—Equipment for cooling the grinding surfaces, e.g. devices for feeding coolant
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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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/04—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of solid grinding, polishing or lapping agents
Abstract
The invention relates to a stainless steel tube polishing process and polishing equipment, which comprises the following steps: A. coarse grinding: polishing the surface of the stainless steel pipe by using a No. 600 abrasive belt until the surface roughness of the stainless steel pipe is R0.8-0.9 mm; B. semi-fine grinding: polishing the surface of the stainless steel pipe by adopting an 800# abrasive belt according to the polishing mode until the roughness of the surface of the stainless steel pipe is R0.4mm; C. fine grinding: heating the surface of the stainless steel pipe, and polishing the surface of the stainless steel pipe by adopting a No. 1000 abrasive belt according to the polishing mode until the roughness of the surface of the stainless steel pipe is R0.1mm; D. waxing: cooling the surface of the stainless steel pipe, and polishing the surface of the steel pipe by using a wool wheel. The invention controls the temperature of the surface of the stainless steel pipe according to different procedures in the polishing process, so that the stainless steel pipe adopts different polishing operations at different temperatures, the influence of the temperature on the polishing quality is reduced, and the polishing quality of the stainless steel pipe is improved.
Description
Technical Field
The invention relates to the technical field of stainless steel polishing, in particular to a stainless steel pipe polishing process and polishing equipment.
Background
Stainless steel pipes are widely applied due to higher corrosion resistance and decoration, and the stainless steel pipes are required to be corrosion resistant, bright in appearance, clean and sanitary, so that high requirements are put forward on the surface treatment of the stainless steel; in the prior art, polishing wax is usually coated on a linen wheel, and then the linen wheel drives a stainless steel tube to rotate to perform surface grinding and polishing treatment.
The chinese patent publication No. CN107225439A discloses a surface polishing process for stainless steel tubes, comprising the following steps: 1. selecting steel pipes with non-welding leakage, non-uniform welding spot depth, local recess and uneven butt joint on the surface; 2. coarse grinding, namely grinding the surface of the steel pipe by using a No. 600 abrasive belt until the roughness of the surface of the steel pipe is R0.9-0.8 mm; 3. semi-fine grinding: polishing the surface of the steel pipe by adopting an 800# abrasive belt according to the polishing mode until the roughness of the surface of the steel pipe is R0.4-0.3 mm; 4. fine grinding: grinding the surface of the steel pipe by adopting a No. 1000 abrasive belt according to the grinding mode, and performing correction grinding on fine lines generated in the working procedure until the roughness of the surface of the steel pipe is R0.1mm; 5. the surface of the steel pipe is waxed, and then the wool wheel is adopted, and the wool wheel is driven by a motor to polish the surface of the steel pipe, so that the defect that the polishing quality is influenced due to the fact that the temperature of the surface of the stainless steel pipe is high in the polishing process is overcome.
Disclosure of Invention
The first purpose of the invention is to provide a stainless steel pipe polishing process, which improves the polishing quality of stainless steel pipe polishing.
The above object of the present invention is achieved by the following technical solutions: a stainless steel pipe polishing process comprises the following steps:
A. coarse grinding: polishing the surface of the stainless steel pipe by using a No. 600 abrasive belt until the surface roughness of the stainless steel pipe is R0.8-0.9 mm;
B. semi-fine grinding: polishing the surface of the stainless steel pipe by adopting an 800# abrasive belt according to the polishing mode until the roughness of the surface of the stainless steel pipe is R0.4mm;
C. fine grinding: heating the surface of the stainless steel pipe, and polishing the surface of the stainless steel pipe by adopting a No. 1000 abrasive belt according to the polishing mode until the roughness of the surface of the stainless steel pipe is R0.1mm;
D. waxing: cooling the surface of the stainless steel pipe, and polishing the surface of the steel pipe by using a wool wheel.
Preferably, in step C, the heating temperature of the surface of the stainless steel tube is 120-150 ℃.
Preferably, in step D, the cooling temperature of the surface of the stainless steel tube is 10 to 30 ℃.
Preferably, in step D, the stainless steel pipe is rotated along its own center line at a speed of 5 to 10 r/min.
The second purpose of the invention is to provide a stainless steel pipe polishing device, which improves the polishing quality of stainless steel pipe polishing.
The above object of the present invention is achieved by the following technical solutions: the utility model provides a nonrust steel pipe polishing equipment, includes conveying mechanism, grinding machanism and polishes the mechanism, grinding machanism includes corase grind subassembly, semi-fine grinding subassembly and accurate grinding subassembly, corase grind subassembly, semi-fine grinding subassembly and accurate grinding subassembly along conveying mechanism's direction of delivery front and back interval distribution, it sets up in the rear of accurate grinding subassembly, its characterized in that to polish the mechanism: the stainless steel pipe surface polishing device is characterized by further comprising a heating mechanism and a cooling mechanism, wherein the heating mechanism is arranged at a station where the fine grinding assembly is located and is used for carrying out heating treatment on the surface of a stainless steel pipe, and the cooling mechanism is arranged in front of the polishing mechanism and behind the fine grinding assembly and is used for carrying out cooling treatment on the surface of the stainless steel pipe.
Preferably, the heating mechanism comprises an oven and a heating assembly arranged in the oven, the conveying mechanism penetrates through the oven from front to back, and the refining assembly is arranged in the oven and located above the conveying mechanism.
Preferably, the cooling mechanism is including being used for covering the cooling cover of establishing in the stainless steel outside of tubes, the cooling cover is provided with two air intakes and an air outlet at least, the air intake is established respectively in the left and right sides of cooling cover, the air outlet sets up the lower extreme at the cooling cover, still be provided with the atomizer that is used for spraying the coolant liquid in the cooling cover, the atomizer sets up the upper end at the cooling cover.
Preferably, the polishing mechanism comprises a base and two polishing wheels arranged on the base, the two polishing wheels are respectively arranged on the left side and the right side of the base, and a waxing assembly used for waxing the surface of each polishing wheel is arranged above at least one polishing wheel.
Preferably, the polishing wheel comprises a fixed polishing wheel and a movable polishing wheel, the fixed polishing wheel is rotatably mounted on a base, the waxing assembly is arranged above the fixed polishing wheel, a movable seat is arranged on the base, the movable polishing wheel is arranged on the movable seat, and the distance between the movable polishing wheel and the fixed polishing wheel is adjusted through a first pneumatic assembly.
Preferably, the waxing assembly comprises a feeding pipe and a feeding push plate, the upper end of the feeding pipe is provided with a feeding hole, the lower end of the feeding pipe is provided with a discharging hole, the lower end of the feeding pipe is arranged above the polishing wheel, and the feeding push plate is arranged in the feeding pipe and is pushed by the second pneumatic assembly to move in the feeding pipe.
The invention has the beneficial effects that: the invention controls the temperature of the surface of the stainless steel pipe according to different procedures in the polishing process, so that the stainless steel pipe adopts different polishing operations at different temperatures, the influence of the temperature on the polishing quality is reduced, and the polishing quality of the stainless steel pipe is improved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a cooling mechanism in an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of a polishing mechanism in an embodiment of the present invention;
in the figure: 1-conveying mechanism, 2-rough grinding assembly, 3-semi-fine grinding assembly, 4-fine grinding assembly, 5-heating mechanism, 6-cooling mechanism, 601-cooling hood, 602-air inlet, 603-air outlet, 604-atomizing spray head, 7-polishing mechanism, 701-base, 702-fixed polishing wheel, 703-movable polishing wheel, 704-movable base, 705-first pneumatic assembly, 706-feeding pipe, 707-feeding inlet, 708-discharging outlet, 709-feeding push plate, and 710-second pneumatic assembly.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b): as shown in fig. 1 to 3, a stainless steel pipe polishing device comprises a conveying mechanism 1, a polishing mechanism and a polishing mechanism 7, wherein the polishing mechanism comprises a rough grinding assembly 2, a semi-fine grinding assembly 3 and a fine grinding assembly 4, the rough grinding assembly 2, the semi-fine grinding assembly 3 and the fine grinding assembly 4 are distributed at intervals in the front and back direction of the conveying mechanism 1, and the polishing mechanism 7 is arranged behind the fine grinding assembly 4.
The conveying mechanism 1 consists of a plurality of groups of conveying rollers, each group of conveying rollers consists of two power rollers, the rotating axes of the two power rollers form a certain included angle, and the stainless steel pipes are driven to axially rotate while being conveyed to advance.
The structure of the rough grinding component 2, the structure of the semi-accurate grinding component 3 and the structure of the accurate grinding component 4 are the same, the rough grinding component 2, the semi-accurate grinding component 3 and the accurate grinding component 4 respectively comprise a grinding head and a motor for driving the grinding head to rotate, an abrasive belt is arranged on the grinding head, the abrasive belt of the grinding head of the rough grinding component 2 is 600#, the abrasive belt of the grinding head of the semi-accurate grinding component 3 is 800#, and the abrasive belt of the grinding head of the.
The stainless steel pipe polishing equipment further comprises a heating mechanism 5 and a cooling mechanism 6, wherein the heating mechanism 5 is arranged at a station where the fine grinding assembly 4 is located and used for carrying out heating treatment on the surface of the stainless steel pipe, and the cooling mechanism 6 is arranged in front of the polishing mechanism 7 and behind the fine grinding assembly and used for carrying out cooling treatment on the surface of the stainless steel pipe.
The heating mechanism 5 comprises an oven and a heating component arranged in the oven, and the heating component is an electric heating wire. The conveying mechanism 1 passes through the oven from front to back, and the fine grinding assembly 4 is arranged in the oven and above the conveying mechanism 1.
As shown in fig. 2, the cooling mechanism 6 includes a cooling cover 601 covering the outside of the stainless steel pipe, and the cooling cover 601 is provided with a plurality of air inlets 602 and an air outlet 603. In this embodiment, the number of the air inlets 602 is two, and the air inlets are respectively disposed on the left and right sides of the cooling cover 601, and the air outlets 603 are disposed at the lower end of the cooling cover 601. In other embodiments, multiple air intakes 602 may be provided on each side of the cooling enclosure 601.
An atomizing nozzle 604 for spraying cooling liquid is further arranged in the cooling cover 601, and the atomizing nozzle 604 is arranged at the upper end of the cooling cover 601.
As shown in FIG. 2, at the position of the stainless steel pipe, the inner wall of the cooling jacket 601 is in a circular arc structure, and the cross section of the cooling jacket 601 gradually decreases from top to bottom. After the high-pressure air flow is introduced into the air inlets 602 on the two sides, the air flow quickly takes away the cooling liquid sprayed on the surface of the stainless steel pipe, so that the quick cooling is realized.
As shown in fig. 3, the polishing mechanism 7 includes a base 701 and two polishing wheels disposed on the base 701, the two polishing wheels are disposed on the left and right sides of the base 701, the polishing wheels include a fixed polishing wheel 702 and a movable polishing wheel 703, and the fixed polishing wheel 702 is rotatably mounted on the base 701.
A waxing assembly for waxing the surface of the polishing wheel, in this embodiment disposed above the fixed polishing wheel 702, is disposed above the polishing wheel.
The base 701 is provided with a movable base 704, the movable polishing wheel 703 is arranged on the movable base 704, and the distance between the movable polishing wheel 703 and the fixed polishing wheel 702 is adjusted through a first pneumatic assembly 705. The waxing assembly comprises a feeding pipe 706 and a feeding push plate 709, a feeding port 707 is arranged at the upper end of the feeding pipe 706, a discharging port 708 is arranged at the lower end of the feeding pipe 706, the lower end of the feeding pipe 706 is arranged above the polishing wheel, and the feeding push plate 709 is arranged in the feeding pipe 706 and is pushed by a second pneumatic assembly 710 to move in the feeding pipe 706. Wherein the first pneumatic assembly 705 and the second pneumatic assembly 710 both employ cylinders.
In order to evenly wax the surface of the fixed polishing wheel 702, two polishing sheets are installed at the discharge port 708 of the feeding pipe 706, wherein the polishing sheets rotate relative to the other polishing sheet, and a through hole is formed in each polishing sheet. When the polishing wax block enters between the two grinding plates from the through hole under the extrusion action, the polishing wax block is crushed into powder by the grinding action generated along with the rotation of the grinding plates, so that the polishing wax powder is uniformly sprinkled on the surface of the fixed polishing wheel 702. Meanwhile, the feeding pipe 706 reciprocates along the axial direction of the fixed polishing wheel 702 through the movable frame, so that polishing wax powder is uniformly sprayed.
By adopting the stainless steel pipe polishing equipment, the stainless steel pipe polishing process comprises the following steps:
A. coarse grinding: and (3) polishing the surface of the stainless steel pipe by using a No. 600 abrasive belt until the surface roughness of the stainless steel pipe is R0.8-0.9 mm.
B. Semi-fine grinding: and (3) polishing the surface of the stainless steel pipe by adopting an 800# abrasive belt according to the polishing mode until the roughness of the surface of the stainless steel pipe is R0.4mm.
C. Fine grinding: and heating the surface of the stainless steel pipe, and polishing the surface of the stainless steel pipe by adopting a No. 1000 abrasive belt according to the polishing mode until the roughness of the surface of the stainless steel pipe is R0.1mm. Wherein the heating temperature of the surface of the stainless steel pipe is 120-150 ℃, and the lines on the surface of the stainless steel pipe are increased at the temperature, so that the abrasive belt of No. 1000 is convenient to polish.
D. Waxing: cooling the surface of the stainless steel pipe, and polishing the surface of the stainless steel pipe by using a wool wheel, wherein the cooling temperature of the surface of the stainless steel pipe is 10-30 ℃, and the stainless steel pipe rotates along the center line of the stainless steel pipe at the same time, and the rotating speed is 5-10 r/min.
Claims (10)
1. A stainless steel pipe polishing process is characterized by comprising the following steps:
A. coarse grinding: polishing the surface of the stainless steel pipe by using a No. 600 abrasive belt until the surface roughness of the stainless steel pipe is R0.8-0.9 mm;
B. semi-fine grinding: polishing the surface of the stainless steel pipe by adopting an 800# abrasive belt according to the polishing mode until the roughness of the surface of the stainless steel pipe is R0.4mm;
C. fine grinding: heating the surface of the stainless steel pipe, and polishing the surface of the stainless steel pipe by adopting a No. 1000 abrasive belt according to the polishing mode until the roughness of the surface of the stainless steel pipe is R0.1mm;
D. waxing: cooling the surface of the stainless steel pipe, and polishing the surface of the steel pipe by using a wool wheel.
2. The stainless steel tube polishing process according to claim 1, wherein: in step C, the heating temperature of the surface of the stainless steel tube is 120-150 ℃.
3. The stainless steel tube polishing process according to claim 1, wherein: in step D, the cooling temperature of the surface of the stainless steel tube is 10-30 ℃.
4. The stainless steel tube polishing process according to claim 1, wherein: in the step D, the stainless steel pipe rotates along the center line of the stainless steel pipe, and the rotating speed is 5-10 r/min.
5. The utility model provides a stainless steel pipe polishing equipment, includes conveying mechanism (1), grinding machanism and polishes mechanism (7), grinding machanism includes corase grind subassembly (2), semi-fine grinding subassembly (3) and accurate grinding subassembly (4), corase grind subassembly (2), semi-fine grinding subassembly (3) and accurate grinding subassembly (4) along conveying mechanism's (1) direction of delivery front and back interval distribution, it sets up the rear at accurate grinding subassembly (4) to polish mechanism (7), its characterized in that: still include heating mechanism (5) and cooling body (6), heating mechanism (5) set up in the station department at correct grinding subassembly (4) place and carry out heat treatment to stainless steel pipe surface, cooling body (6) set up in the place ahead of polishing mechanism (7) and are located the rear of correct grinding subassembly for carry out cooling treatment to stainless steel pipe surface.
6. The stainless steel pipe polishing apparatus according to claim 5, wherein: the heating mechanism (5) comprises an oven and a heating assembly arranged in the oven, the conveying mechanism (1) penetrates through the oven from front to back, and the fine grinding assembly (4) is arranged in the oven and located above the conveying mechanism (1).
7. The stainless steel pipe polishing apparatus according to claim 5, wherein: cooling body (6) are including being used for the cover to establish cooling cover (601) in the stainless steel outside of tubes, cooling cover (601) are provided with two air intake (602) and one air outlet (603) at least, the left and right sides at cooling cover (601) is established respectively in air intake (602), air outlet (603) set up the lower extreme at cooling cover (601), still be provided with atomizer (604) that are used for spraying the coolant liquid in cooling cover (601), atomizer (604) set up the upper end at cooling cover (601).
8. The stainless steel pipe polishing apparatus according to claim 5, wherein: the polishing mechanism (7) comprises a base (701) and two polishing wheels arranged on the base (701), the two polishing wheels are respectively arranged on the left side and the right side of the base (701), and a waxing assembly used for waxing the surfaces of the polishing wheels is arranged above at least one polishing wheel.
9. The stainless steel pipe polishing apparatus according to claim 8, wherein: the polishing wheel comprises a fixed polishing wheel (702) and a movable polishing wheel (703), the fixed polishing wheel (702) is rotatably arranged on a base (701), the waxing component is arranged above the fixed polishing wheel (702), a movable base (704) is arranged on the base (701), the movable polishing wheel (703) is arranged on the movable base (704), and the distance between the movable polishing wheel (703) and the fixed polishing wheel (702) is adjusted through a first pneumatic component (705).
10. A stainless steel pipe polishing apparatus according to claim 8 or 9, wherein: the waxing assembly comprises a feeding pipe (706) and a feeding push plate (709), a feeding hole (707) is formed in the upper end of the feeding pipe (706), a discharging hole (708) is formed in the lower end of the feeding pipe (706), the lower end of the feeding pipe (706) is arranged above the polishing wheel, and the feeding push plate (709) is arranged in the feeding pipe (706) and is pushed to move in the feeding pipe (706) through a second pneumatic assembly (710).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295899.XA CN111331437A (en) | 2020-04-15 | 2020-04-15 | Stainless steel pipe polishing process and polishing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295899.XA CN111331437A (en) | 2020-04-15 | 2020-04-15 | Stainless steel pipe polishing process and polishing equipment |
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| CN111331437A true CN111331437A (en) | 2020-06-26 |
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| CN202010295899.XA Pending CN111331437A (en) | 2020-04-15 | 2020-04-15 | Stainless steel pipe polishing process and polishing equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112139933A (en) * | 2020-09-27 | 2020-12-29 | 南京仁厚科技有限公司 | Graphite plate polishing device and process |
| CN113021168A (en) * | 2021-03-10 | 2021-06-25 | 罗玉清 | New energy automobile bumper shock absorber outer lane burnishing device |
| CN113696084A (en) * | 2021-09-08 | 2021-11-26 | 瑞兴金属科技(连云港)有限公司 | Corrosion-resistant polishing treatment process and processing equipment for medical stainless steel pipe |
| CN115635409A (en) * | 2022-09-30 | 2023-01-24 | 临沂市蓝晶光电科技有限公司 | Burnishing machine is used in fluorescent tube production and processing |
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|---|---|---|---|---|
| CN112139933A (en) * | 2020-09-27 | 2020-12-29 | 南京仁厚科技有限公司 | Graphite plate polishing device and process |
| CN113021168A (en) * | 2021-03-10 | 2021-06-25 | 罗玉清 | New energy automobile bumper shock absorber outer lane burnishing device |
| CN113696084A (en) * | 2021-09-08 | 2021-11-26 | 瑞兴金属科技(连云港)有限公司 | Corrosion-resistant polishing treatment process and processing equipment for medical stainless steel pipe |
| CN113696084B (en) * | 2021-09-08 | 2022-10-14 | 瑞兴金属科技(连云港)有限公司 | Corrosion-resistant polishing treatment process and processing equipment for medical stainless steel pipe |
| CN115635409A (en) * | 2022-09-30 | 2023-01-24 | 临沂市蓝晶光电科技有限公司 | Burnishing machine is used in fluorescent tube production and processing |
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Address after: 313000 No. 769, Changxing Avenue, economic and Technological Development Zone, Changxing County, Huzhou City, Zhejiang Province Applicant after: Zhejiang Gonghe Industrial Co.,Ltd. Address before: 313000 8 Shuang Lin Road, Shuang Lin Town, Nanxun District, Huzhou, Zhejiang Applicant before: Huzhou co he Pipe Co.,Ltd. |