CN215659346U - Electric rust-proof device of surface grinding machine - Google Patents
Electric rust-proof device of surface grinding machine Download PDFInfo
- Publication number
- CN215659346U CN215659346U CN202122174860.5U CN202122174860U CN215659346U CN 215659346 U CN215659346 U CN 215659346U CN 202122174860 U CN202122174860 U CN 202122174860U CN 215659346 U CN215659346 U CN 215659346U
- Authority
- CN
- China
- Prior art keywords
- anode
- electric
- fixed
- water
- stainless steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000010935 stainless steel Substances 0.000 claims abstract description 36
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 36
- 230000001681 protective effect Effects 0.000 claims abstract description 32
- 230000002265 prevention Effects 0.000 claims abstract description 23
- 229920003023 plastic Polymers 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims abstract description 17
- 238000005260 corrosion Methods 0.000 claims abstract description 14
- 230000007797 corrosion Effects 0.000 claims abstract description 12
- 238000004210 cathodic protection Methods 0.000 claims abstract description 4
- 238000010422 painting Methods 0.000 claims abstract description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- 230000000694 effects Effects 0.000 claims description 10
- 238000012545 processing Methods 0.000 claims description 9
- 238000005452 bending Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 238000004544 sputter deposition Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000010405 anode material Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000003449 preventive effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000012736 aqueous medium Substances 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Prevention Of Electric Corrosion (AREA)
Abstract
The electric rust prevention device for the surface grinding machine is characterized by comprising an electric rust prevention water tank, a protective cover, a water drainage tank, a nozzle, an electromagnetic chuck, a fixed anode, a movable anode and a direct-current power supply. The electric antirust water pool is clamped on the four walls of the electromagnetic chuck, the protective cover is fixed and suspended on the water drainage pool through the connecting rod and the sliding rail platform, the water drainage pool is arranged on the workbench and is surrounded by the baffle, the nozzle is arranged on the grinding head, the electromagnetic chuck is arranged on the workbench, the fixed anode is fixed on the inner wall of the electric antirust water pool, the movable anode is arranged on the working plane of the electromagnetic chuck, and the anode of the direct-current power supply is connected with the fixed anode, the movable anode and the negative electrode to form the electric antirust water pool. The workpiece is adsorbed on the electromagnetic chuck and is completely immersed in the electric antirust water tank. Electrons are obtained under the action of cathodic protection so as to avoid corrosion and rusting, and parts in contact with water are treated by stainless steel, plastics or surface painting so as to prevent the corrosion of machine tool parts.
Description
Technical Field
The utility model relates to a grinding machine technology, in particular to a grinding machine device using an aqueous medium as a processing liquid, and specifically relates to an electric rust prevention device of a surface grinding machine.
Background
In the traditional grinding machine tool industry in China, the water-based grinding fluid generally used is mainly emulsion. Such products not only have short service life, but also are harmful to human health and cause serious pollution to the surrounding environment, and therefore, the industrial requirements are reduced or no processing liquid is used.
Aiming at the problems to be solved, the utility model develops research and development and industrialized research of zero-emission grinding technology and equipment, and develops an environment-friendly novel processing device and method: an apparatus and a method for electric rust preventive machining using only water as a machining liquid. Water alone has been difficult to use as a working fluid since both the workpiece and the machine tool are corroded by water. The electro-rust preventive processing technique prevents rust by an electrochemical manner and uses water as a processing liquid without using chemicals (oil, rust preventive, etc.), thereby being expected to eliminate the treatment of waste liquid and improve the environment.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an electric anti-rust device of a surface grinding machine, which is designed for solving the problem that the existing grinding machines use anti-rust liquid as cooling liquid to easily cause environmental pollution, and can effectively prevent workpieces and machine tools from rusting in water environment.
The technical scheme of the utility model is as follows:
an antirust device and method for a surface grinding machine are disclosed, the device comprises an electric antirust water tank 1, a protective cover 2, a water drainage tank 3, a nozzle 4, an electromagnetic chuck 5, a fixed anode 6, a movable anode 7 and a direct-current power supply 8. 1 clamping in electric rust-resistant pond is on the four walls of electric magnetic chuck 5, and protection casing 2 is fixed and unsettled on water drainage tank 3 through connecting rod 22 and slide rail platform 23, and water drainage tank 3 is seted up on workstation 32 and is enclosed baffle 31, nozzle 4 is installed on bistrique 41, and electric magnetic chuck 5 is installed on workstation 32, and fixed anode 6 is fixed in electric rust-resistant pond 1 inner wall through copper sheet 13, and removal positive pole 7 places on electric magnetic chuck 5 working plane, direct current power supply 8's positive pole connects fixed anode 6 and removal positive pole 7, negative pole to connect electric magnetic chuck 5. The workpiece 9 is adsorbed on the electromagnetic chuck 5 and is completely immersed in the electric anti-rust water tank 1, and electrons are obtained under the action of cathodic protection so as to avoid corrosion and rust.
The electric antirust water tank 1 comprises a chuck 11, an acrylic plate 12, a copper sheet 13 and an electromagnetic drain valve 14. Chuck 11 passes through the screw clamping on the four walls of electromagnetism dish 5, and four acrylic plate 12 adopt resin glue to connect and install four lateral walls that constitute the pond on chuck 11, and copper sheet 13 presss from both sides on acrylic plate 12 through the bending dress, and electromagnetism drain valve 14 passes through threaded connection and installs the bottom at chuck 11. One of the four acrylic plates is slightly smaller than the other three acrylic plates, and the function of directional overflow is achieved. The electromagnetic drain valve is controlled by an external circuit, and plays a role in draining and discharging water in the water tank. The copper sheet is communicated with the positive electrode and the fixed anode of the direct-current power supply to play a role in conducting and fixing.
The protective cover 2 is in a semi-open design, is divided into a left part and a right part, is fixed on a sliding rail platform 23 through a connecting rod 22 and is suspended on the drainage pool 3. The function of the anti-corrosion device is to prevent water in the electric anti-corrosion water tank from sputtering. The water splashed by the high-speed rotation of the grinding wheel is blocked by the protective cover 2 and is drained into the drainage basin 3. The protective cover 2 is provided with a left movable protective window 21 and a right movable protective window 21, and workpieces can be taken and placed through the protective windows and the machining condition can be observed.
The anode material adopts stainless steel mesh, and has good ductility, corrosion resistance and conductivity. Meanwhile, the mesh structure increases the contact area between the anode and the electrolyte, thereby being beneficial to improving the protection current density and obtaining better protection effect. The fixed anode 6 is surrounded by a stainless steel net 73 and fixed on the inner wall of the electric rust preventive water tank 1 by a copper sheet 13. The pool material is an acrylic plate, and the cathode and the anode are insulated. In order to further improve the rust prevention effect, a mobile anode 7 is introduced. The moving anode 7 is composed of two stainless steel blocks 71, two plastic plates 72, and a sheet of stainless steel mesh 73. The stainless steel block 71 and the plastic plate 72 are connected by screws, and the plastic plate 72 and the stainless steel net 73 are connected by bolts and nuts. The movable anode 7 is attached to the electromagnetic chuck 5 by means of the stainless steel block 71, the plastic plate 72 plays an insulating role, and the stainless steel mesh 73 is an anode material.
The electric rust-proof water tank 1, the protective cover 2, the drainage tank 3 and other parts which may contact with water are treated with stainless steel, plastic or surface painting to prevent corrosion of machine tool parts.
The rust prevention principle of the utility model is as follows: by means of externally adding direct current, the workpiece 9 is connected with the negative electrode of a direct current power supply 8, the stainless steel movable anode 7 and the fixed anode are connected with the positive electrode of the power supply, and the two are immersed in water to form an electrochemical loop. Electrons flow from the cathode of the power supply to the workpiece 9, so that the surface of the workpiece 9 is enriched with electrons, and the electron-losing corrosion of the material of the workpiece 9 is prevented. On the other hand, the stainless steel anode is corroded and becomes a consumed one.
The utility model has the beneficial effects that: the electric rust prevention device solves the problem of rusting of the workpiece in water, so that water is expected to replace the traditional grinding fluid for grinding. The utility model has important effects on reducing the use of grinding fluid and realizing green and pollution-free grinding processing.
Drawings
FIG. 1 is a schematic view of a grinding machine and an electric rust prevention device according to the present invention.
FIG. 2 is a schematic diagram of the electric rust-proof pool and the circuit wiring of the utility model.
Fig. 3 is a schematic view of the structure of the mobile anode of the present invention.
Fig. 4 is an electric rust prevention schematic diagram of the present invention.
In the figure: 1. an electric rust-proof water tank; 11. a chuck; 12. acrylic plates; 13. a copper sheet; 14. an electromagnetic drain valve; 2. a protective cover; 21. a protective window; 22. a connecting rod; 23. a slide rail table; 3. a drainage basin; 31. a baffle plate; 32. a work table; 33. a drain pipe; 4. a nozzle; 41. grinding heads; 5. an electromagnetic chuck; 6. fixing the anode; 7. moving the anode; 71. a stainless steel block; 72. a plastic panel; 73. a stainless steel mesh; 8. a direct current power supply; 9. and (5) a workpiece.
Detailed Description
The utility model is further described below with reference to the figures and examples.
As shown in fig. 1-4.
An electric rust prevention device for a surface grinding machine comprises an electric rust prevention water tank 1, a protective cover 2, a water drainage tank 3, a nozzle 4, an electromagnetic chuck 5, a fixed anode 6, a movable anode 7 and a direct-current power supply 8, and is shown in figure 1. 1 clamping in electric rust-resistant pond is on the wall of electric magnetic chuck 5, protection casing 2 is fixed and unsettled on water drainage tank 3 through connecting rod 22 and slide rail platform 23, water drainage tank 3 is seted up on workstation 32 and is enclosed baffle 31, nozzle 4 is installed on bistrique 41, electric magnetic chuck 5 is installed on workstation 32, fixed anode 6 is fixed in electric rust-resistant pond 1 inner wall through copper sheet 13, removal positive pole 7 is placed on 5 work planes of electric magnetic chuck, DC power supply 8's positive pole connects fixed anode 6 and removal positive pole 7, negative pole connects electric magnetic chuck 5. The workpiece 9 is adsorbed on the electromagnetic chuck 5 and is completely immersed in the electric anti-rust water tank 1, and electrons are obtained under the action of cathodic protection so as to avoid corrosion and rust. The structure of the electric rust-proof water pool 1 of the utility model is shown in figure 2, which comprises a chuck 11, an acrylic plate 12, a copper sheet 13 and an electromagnetic drain valve 14. Chuck 11 passes through the screw clamping on the four walls of electromagnetism dish 5, and four acrylic plate 12 adopt resin glue to connect and install four lateral walls that constitute the pond on chuck 11, and copper sheet 13 presss from both sides on acrylic plate 12 through the bending dress, and electromagnetism drain valve 14 passes through threaded connection and installs the bottom at chuck 11. One of the four acrylic plates 12 is slightly smaller than the other three plates, and plays a role in directional overflow. The electromagnetic drain valve 14 is controlled by an external circuit and plays a role in draining and discharging water in the water tank. The copper sheet 13 is communicated with the positive electrode of the direct current power supply 8 and the fixed anode 6, and plays a role in conducting and fixing. The grinding head 41 is provided with a water supply nozzle 4 for supplying water splashed by the high-speed rotation of the grinding wheel in the electric rust-proof water tank 1. At the same time, the splashed water is blocked by the hood 2 and is drained into the drain pool 3 and finally discharged from the drain pipe 33. And then the water can be connected into a water circulation system to realize the recycling of water. The protective cover 2 can adopt a semi-open design and is divided into a left part and a right part, is fixed on a sliding rail table 23 (an inherent device of a grinding machine) through a connecting rod 22 and is suspended on the drainage basin 3. The function of the anti-splash device is to prevent water in the electric anti-rust water pool 1 from splashing. The water splashed out by the high-speed rotation of the grinding head (grinding wheel) is blocked by the protective cover 2 and is drained into the drainage pool 3. The protective cover 2 is provided with a left movable protective window 21 and a right movable protective window 21, and the workpiece 9 can be taken and placed and the processing condition can be observed through the protective windows 21.
The fixed anode 6 and the movable anode 7 of the utility model can be made of stainless steel mesh, which has good ductility, corrosion resistance and electrical conductivity. Meanwhile, the mesh structure increases the contact area between the anode and the electrolyte, thereby being beneficial to improving the protection current density and obtaining better protection effect. The fixed anode 6 is formed by surrounding the periphery of the acrylic plate by a stainless steel net and is fixed on the inner wall of the electric antirust pool 1 through a copper sheet 13. The pool material is an acrylic plate, and the cathode and the anode are insulated. In order to further improve the rust prevention effect, a mobile anode 7 is introduced. The moving anode 7 is composed of two stainless steel blocks 71, two plastic plates 72, and a sheet of stainless steel mesh 73. The stainless steel block 71 and the plastic plate 72 are connected by screws, and the plastic plate 72 and the stainless steel net 73 are connected by bolts and nuts. The movable anode 7 is attached to the electromagnetic chuck 5 by means of the stainless steel block 71, the plastic plate 72 plays an insulating role, and the stainless steel mesh 73 is an anode material. In addition, the protective cover 2, the drainage basin 3 and other parts that may come into contact with water are treated with stainless steel, plastic or surface painting to prevent corrosion of machine tool parts. The adjustable DC stabilized power supply can be selected by the DC power supply 8, and the power supply parameters are adjusted according to the size of the protected workpiece 9, so that a proper protection effect is obtained.
The using method of the utility model comprises the following steps:
1) the protective window 21 is opened and the workpiece 9 to be machined is placed on the working surface of the electromagnetic chuck 5.
2) The movable anode 7 is placed so that the anode stainless steel net 73 is as close as possible to the workpiece 9 but not completely attached, and the stainless steel net 73 can be appropriately bent if necessary.
3) The protective window 21 is closed and the electromagnetic chuck 5 is activated.
4) The nozzle 4 is opened and the water is allowed to immerse the workpiece 9.
6) And turning on the direct-current power supply 8, adjusting power supply parameters and performing electric rust prevention on the workpiece 9.
7) And starting the grinding machine to grind the workpiece 9.
8) After the processing is finished, the grinding machine is closed, the direct current power supply 8 is closed, and the electromagnetic drain valve 14 is opened to drain the water in the electric anti-rust water tank 1.
9) And opening the protective window 21, taking out the workpiece, wiping and drying.
The embodiment is suitable for most surface grinding machines on the market by introducing an electric rust prevention device to prevent rust for workpieces on the basis of the existing grinding machines. The rust-proof principle is a cathode protection principle of externally adding direct current, a workpiece is used as a cathode, a stainless steel net is used as an anode, the workpiece obtains electrons to avoid corrosion, and meanwhile, the anode stainless steel net loses electrons and is consumed. The anode material needs to be replaced again after being consumed to a certain extent so as to obtain a stable protection effect, and the protected workpiece can be carbon steel or various alloy steels.
The present invention is not concerned with parts which are the same as or can be implemented using prior art techniques.
Claims (5)
1. An electric rust prevention device of a surface grinding machine is characterized by comprising an electric rust prevention water tank (1), a protective cover (2), a water drainage tank (3), a nozzle (4), an electromagnetic chuck (5), a fixed anode (6), a movable anode (7) and a direct-current power supply (8), wherein the electric rust prevention water tank (1) is clamped on the electromagnetic chuck (5), the protective cover (2) is fixed with a slide rail table (23) through a connecting rod (22) and is suspended on the water drainage tank (3), the water drainage tank (3) is arranged on a workbench (32) and is surrounded by a baffle (31), the nozzle (4) is arranged on a grinding head (41), the fixed anode (6) is fixed on the inner wall of the electric rust prevention water tank (1) through a copper sheet (13), the movable anode (7) is arranged on the working plane of the electromagnetic chuck (5), the anode of the direct-current power supply (8) is connected with the fixed anode (6) and the movable anode (7), the negative pole of DC power supply (8) connects electric magnetic chuck (5), and work piece (9) adsorb on electric magnetic chuck (5) and submerge totally in the aquatic of electric rust-resistant pond (1), thereby obtains the electron under cathodic protection effect and avoids being corroded the rust.
2. The electric rust prevention device for the surface grinding machine according to claim 1, characterized in that the electric rust prevention water tank (1) comprises a chuck (11), an acrylic plate (12), a copper sheet (13) and an electromagnetic drain valve (14); the chuck (11) is clamped on the electromagnetic chuck (5) through screws, four acrylic plates (12) are connected by resin glue and are arranged on the chuck (11) to form four side walls of a water tank, a copper sheet (13) is clamped on the acrylic plates (12) through bending, and an electromagnetic drain valve (14) is arranged at the bottom of the chuck (11) through threaded connection; one of the four acrylic plates is slightly smaller than the other three acrylic plates, and the function of directional overflow is achieved; the electromagnetic drain valve is controlled by an external circuit, and plays a role in draining and discharging water of the electric antirust water tank (1); the copper sheet (13) is communicated with the positive electrode of the direct-current power supply (8) and the fixed anode (6) to play a role in conducting and fixing, and the fixed anode (6) is arranged around the inner side of the electric anti-rust water tank (1).
3. The electric rust prevention device for the surface grinding machine according to claim 1, characterized in that the protective cover (2) is of a semi-open design, is divided into a left part and a right part, is fixed on a sliding rail table (23) through a connecting rod (22) and is suspended on the drainage basin (3); the function of the device is to prevent the water in the electric rust-proof water tank (1) from sputtering; the water splashed out by the high-speed rotation of the grinding head (41) is blocked by the protective cover (2) and is drained into the drainage pool (3); the protective cover (2) is provided with a left movable protective window and a right movable protective window (21), and workpieces are taken and placed through the protective windows (21) and the processing conditions are observed.
4. The electric rust prevention device for the surface grinding machine according to claim 1, characterized in that the fixed anode (6) is made of stainless steel mesh, which has ductility, corrosion resistance and electric conductivity; meanwhile, the contact area of the anode and the electrolyte is increased by the net structure, so that the protection current density is improved, and a better protection effect is obtained; the fixed anode (6) is formed by surrounding a stainless steel net (73) and is fixed on the inner wall of the electric antirust pool (1) through a copper sheet (13); the four walls of the electric antirust pool (1) are made of acrylic plates, and the cathode and the anode are insulated; in order to further improve the antirust effect, a movable anode (7) is introduced; the mobile anode (7) consists of two stainless steel blocks (71), two plastic plates (72) and a stainless steel net (73); the stainless steel block (71) and the plastic plate (72) are connected through screws, and the plastic plate (72) and the stainless steel net (73) are connected through bolts and nuts; the movable anode (7) is adsorbed on the electromagnetic chuck (5) by a stainless steel block (71), the plastic plate (72) plays an insulating role, and the stainless steel net (73) is a main body of the movable anode.
5. The electric rust prevention device for the surface grinding machine according to claim 1, characterized in that the electric rust prevention water tank (1), the protective cover (2) and the drainage tank (3) are all treated by stainless steel, plastic or surface painting to prevent corrosion of machine tool parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174860.5U CN215659346U (en) | 2021-09-09 | 2021-09-09 | Electric rust-proof device of surface grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122174860.5U CN215659346U (en) | 2021-09-09 | 2021-09-09 | Electric rust-proof device of surface grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215659346U true CN215659346U (en) | 2022-01-28 |
Family
ID=79961854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122174860.5U Active CN215659346U (en) | 2021-09-09 | 2021-09-09 | Electric rust-proof device of surface grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215659346U (en) |
-
2021
- 2021-09-09 CN CN202122174860.5U patent/CN215659346U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2380475C (en) | An improved process and apparatus for cleaning and/or coating metal surfaces using electro-plasma technology | |
| CA2253311A1 (en) | An electrolytic process for cleaning electrically conducting surfaces | |
| CN103074666B (en) | A kind of electrolytic derusting agent and electrolytic derusting method | |
| CN215659346U (en) | Electric rust-proof device of surface grinding machine | |
| KR100683983B1 (en) | Device and method electrolytic deburring of thin plate material for a shadow mask | |
| CN213680207U (en) | Electric flocculation device for treating spraying wastewater | |
| CN109137052A (en) | A kind of electroplanting device and its electro-plating method of comprehensive coating | |
| KR19990087953A (en) | Electrical discharge processing method and a apparatus for operating the same method | |
| CN209778402U (en) | Electric flocculation self-cleaning device | |
| CN116786335A (en) | Intelligent copper-nickel alloy spraying corrosion-resistant technology | |
| CN206200352U (en) | A kind of laser strip equipment of ultra high power | |
| CN108455711B (en) | Circulating water sterilization electrolysis descaling system | |
| CN210481570U (en) | Deplating equipment for pipes | |
| CN113638036A (en) | Suction type electrolyte plasma polishing equipment for large-plane workpiece and polishing method thereof | |
| CN205183983U (en) | A electrolytic device for processing pole form work piece | |
| CN208413940U (en) | A kind of device handling industrial circulating cooling water | |
| CN109023437B (en) | Repairing tool, repairing device and repairing method for slab crystallizer | |
| CN217351538U (en) | Electric rust-proof water pool structure of surface grinding machine | |
| CN202317340U (en) | Electrochemical deburring equipment of diesel engine cylinder cover | |
| CN100575564C (en) | The electrolytic etching device of metal sheet | |
| CN108823611B (en) | Repair tool, repair device and repair method for square billet crystallizer | |
| CN212712834U (en) | Electroplating sewage treatment device | |
| CN108483589B (en) | Device for treating industrial circulating cooling water | |
| CN215593194U (en) | Passivation pickling assembly line | |
| CN210657133U (en) | Metal surface treatment pool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |