CN103668100A - Plasma treatment method for shield cutter - Google Patents
Plasma treatment method for shield cutter Download PDFInfo
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- CN103668100A CN103668100A CN201310580714.XA CN201310580714A CN103668100A CN 103668100 A CN103668100 A CN 103668100A CN 201310580714 A CN201310580714 A CN 201310580714A CN 103668100 A CN103668100 A CN 103668100A
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- shield cutter
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- cutter
- cement composite
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Abstract
The invention provides a plasma treatment method for a shield cutter. The plasma treatment method comprises the following steps: carrying out earlier stage treatment on the shield cutter: carrying out surface polishing, ultrasonic cleaning and drying treatment on the shield cutter; delivering the dried shield cutter to a first pre-vacuum chamber to vacuumize the shield cutter; delivering the vacuumized shield cutter to a plasma treatment system, carrying out plasma treatment on the shield cutter, and depositing a thin film material on the surface of the shield cutter; delivering the plasma treated shield cutter to a second pre-vacuum chamber to carry out vacuum standing treatment, and then, delivering the vacuum standing treated shield cutter to a discharging platform; and detecting a finished product of the vacuum standing treated shield cutter. By using the plasma treatment method, the binding force of a thin film and a matrix can be increased so that the deposition rate can be increased, the hardness and wear resistance of the cutter can be improved, and the service life of the cutter can be prolonged.
Description
Technical field
The present invention relates to plasma treatment technique field, particularly a kind of method of Cement Composite Treated by Plasma shield cutter.
Background technology
Along with the fast development of China's economy, the process of urbanization is accelerated, and has occurred a lot of big cities and key city.Having there are traffic problems in a lot of cities, for example, by greatly developing track traffic (subway), can alleviate.Shield cutter is in China also in the starting stage, and the standard that State Council approved city has subway has 3 indexs--and urban population surpasses 3,000,000, GDP and surpasses 1,000 hundred million yuan, local finance general budget income and surpass 10,000,000,000 yuan.By the end of the year 2012, the whole nation has 35 cities building rail transportation projects, and operation total kilometrage reaches 2042 kilometers.
Within following 20 years, by the gold period that is shield engine and shield cutter demand, National Development and Reform Committee has given an written reply more than a 30 urban planning and construction subway.At 2010--2015, it is 1700 kilometers that China planning is built subway total length, and investment planning volume reaches 11,568 hundred million yuan, and the year two thousand twenty will reach 6100 kilometers, and the year two thousand fifty reaches 11039.57 kilometers, and only the shield cutter market of subway is just over 3,500,000,000 yuans.On September 6th, 2012,25 city rail projects of the intensive approval of the Committee of Development and Reform, gross investment surpasses 8,400 hundred million yuan and builds transportation network.Count on the year two thousand twenty, will have 40 urban construction subways, planning mileage reaches 7000 kilometers.In China, one kilometer of the every extension of subway line, average cost is not at 3.85 hundred million-500,000,000 yuan etc.
As from the foregoing, shield cutter will have increasing application in future, and therefore how to realize shield cutter is carried out to Cement Composite Treated by Plasma to improve the work-ing life of shield cutter, be current problem in the urgent need to address.
Summary of the invention
Object of the present invention is intended at least solve one of described technological deficiency.
For this reason, the object of the invention is to propose a kind of method of Cement Composite Treated by Plasma shield cutter, comprise the steps:
Shield cutter is carried out to early stage and process, comprise described shield cutter is carried out to surface finish, ultrasonic cleaning and drying and processing;
Described shield cutter after drying and processing is delivered to the first prechamber and described shield cutter is vacuumized to processing;
The described shield cutter vacuumizing after processing is delivered to plasma process system and described shield cutter is carried out to Cement Composite Treated by Plasma, at the surface deposition thin-film material of described shield cutter;
Described shield cutter after Cement Composite Treated by Plasma is delivered to the second prechamber and carries out the standing processing of vacuum, be delivered to discharge pedestal;
Described shield cutter after the standing processing of vacuum is carried out to finished product detection.
In one embodiment of the invention, adopt acetone to carry out ultrasonic cleaning to remove the foreign material on described shield cutter surface to described shield cutter.
In yet another embodiment of the present invention, adopt moisture eliminator to carry out drying and processing to the described shield cutter after ultrasonic cleaning.
Preferably, described shield cutter is carried out to Cement Composite Treated by Plasma, comprise the steps:
After described shield cutter enters described plasma process system, utilize vacuum pump to vacuumize the ion implantation chamber of described plasma process system, and after described ion implantation chamber reaches default vacuum state, start scanning injection motor, the coaxial plasma gun system of described plasma process system is charged;
Described coaxial plasma gun system is being charged to after preset value, and the impulse electromagnetic valve inlet system of described plasma process system starts automatically so that high-purity gas enters described coaxial plasma gun system;
Described coaxial plasma gun system is carried out internal and external electrode high-voltage breakdown ionization to form plasma body to described high-purity gas;
Injection probe is injected into described ion implantation chamber with the surface deposition thin-film material at described shield cutter by described plasma body, and reaches after predeterminable level at described thin-film material, completes Cement Composite Treated by Plasma.
Preferably, described the second prechamber has completed and has vacuumized processing before described shield cutter arrives.
Preferably, described shield cutter is carried out to finished product detection, comprise that surface evenness, slickness, cutter ring hardness, frictional coefficient, nanometer cut critical load and the cutter torque numerical value to described shield cutter detects.
The method of the Cement Composite Treated by Plasma shield cutter that the embodiment of the present invention provides, there is following beneficial effect: the present invention can reduce CVD(Chemical Vapor Deposition, vapour deposition) and PVD(Physical Vapor Deposition, physical vapor deposition) power consumption, avoid environmental pollution, and can improve film and basal body binding force and improve sedimentation rate, cutter hardness, wear resistance and work-ing life.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the schema of the method for Cement Composite Treated by Plasma shield cutter according to an embodiment of the invention;
Fig. 2 is the schematic diagram of the method for Cement Composite Treated by Plasma shield cutter in accordance with another embodiment of the present invention;
Fig. 3 is according to the schematic diagram of the automatic equipment of the Cement Composite Treated by Plasma shield cutter of the embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
Below with reference to Fig. 1 to Fig. 3, the method for the Cement Composite Treated by Plasma shield cutter of the embodiment of the present invention is described.
As shown in Figure 1, the method for the Cement Composite Treated by Plasma shield cutter that the embodiment of the present invention provides, comprises the steps:
Step S101: shield cutter is carried out to early stage and process.
Particularly, to processing the early stage of shield cutter, comprise: shield cutter is carried out to surface finish, ultrasonic cleaning and drying and processing.First pending shield cutter is carried out to surface finish polishing, make the surface of this shield cutter meet slickness requirement.Then, then with acetone, shield cutter is carried out to ultrasonic cleaning, thereby remove the foreign material on shield cutter surface, to the shield cutter oil of dispelling that eliminates rust.Finally, adopt moisture eliminator to carry out drying treatment, i.e. drying and processing to the shield cutter after ultrasonic cleaning.
Step S102: the shield cutter after drying and processing is delivered to the first prechamber and shield cutter is vacuumized to processing.
As shown in Figure 2, will complete shield cutter after process early stage and deliver to the automatic equipment 100 of Cement Composite Treated by Plasma shield cutter.As shown in Figure 3, the automatic equipment 100 of Cement Composite Treated by Plasma shield cutter comprises: motor 11, vacuum pump 12, driving motor 13 and the second prechamber 15 are injected in chain drive motor 1, feeding platform 2, stack pallet 3, the first prechamber 5, vacuum valve 6, ion implantation chamber 7, injection probe 8, door motor 9, discharge pedestal 10, scanning.Wherein, feeding platform 2 is connected with vacuum valve 6, and stack pallet 3 is under the effect of chain drive motor 1, in the motion automatically of feeding platform 2 surfaces.As can be seen from Figure 3, the automatic equipment 100 of Cement Composite Treated by Plasma shield cutter comprises 4 vacuum valves, 4 door motors, 3 vacuum pumps, 3 driving motors, 2 chain drive motors.Wherein, the structure of each vacuum valve is shown in vacuum valve 6, the mechanism of each door motor is shown in door motor 9, each vacuum pump structure is shown in vacuum pump 12, the structure of each driving motor is shown in driving motor 13, the structure of each chain drive motor is shown in chain drive motor 1, does not repeat them here.
Particularly, the shield cutter after drying and processing 4 is put into stack pallet 3, then start chain drive motor 1 and make stack pallet 3 operation automatically on the surface of feeding platform 2, and automatically move to vacuum valve 6.Stack pallet 3 is when contiguous vacuum valve 6, and vacuum valve 6 moves upward so that stack pallet 3 enters the first prechamber 5 under door motor drives.The shield cutter 4 being placed in stack pallet 3 vacuumizes processing in the first prechamber 5, wherein vacuumizes gas and discharges from vacuum valve 6.Stack pallet 3 is under the effect of driving motor 13, to plasma process system 200 motions.
Step S103: the shield cutter vacuumizing after processing is delivered to plasma process system and shield cutter is carried out to Cement Composite Treated by Plasma, at the surface deposition thin-film material of shield cutter.
Under the driving of driving motor 13, through the shield cutter 4 vacuumizing after processing, through vacuum valve, enter plasma process system 200.Particularly, shield cutter 4 enters ion implantation chamber 7.After shield cutter 4 enters plasma process system 200, utilize 12 pairs of ion implantation chambers 7 of vacuum pump to vacuumize, make ion implantation chamber 7 reach default vacuum state.
In one embodiment of the invention, plasma process system 200 comprises pumped vacuum systems, coaxial plasma gun system and impulse electromagnetic valve inlet system.
After ion implantation chamber 7 reaches default vacuum state, start scanning and inject motor 11, the coaxial plasma gun system of plasma treatment system 200 is charged.Particularly, set the internal and external electrode of coaxial plasma gun system, charge-discharge system charges to coaxial plasma gun system.
Coaxial plasma gun system is being charged to after preset value, and impulse electromagnetic valve inlet system starts automatically so that high-purity gas enters coaxial plasma gun system.Coaxial plasma gun system is carried out internal and external electrode high-voltage breakdown ionization to form plasma body to high-purity gas.
Particularly, impulse electromagnetic valve inlet system comprises electrical condenser, switch and the impulse electromagnetic valve of series connection.Pulsed electrical magnetic valve inlet system starts automatically, from inflation inlet, is filled with high-purity gas, and with certain air inlet air pressure, the air inlet port by interior electrode tip enters coaxial plasma gun system to high-purity gas.
High-purity gas enters after coaxial plasma gun system, its gas is ionized by internal and external electrode high-voltage breakdown, form plasma body, simultaneously, set up electric field between internal and external electrode, and of short duration path, under the effect of the lorentz's force that plasma beam produces at discharging current, accelerate to travel forward, due to the electroerosion effect of plasma body to internal and external electrode, on electrode, can evaporate a large amount of materials, and form plasma body
The injection probe 8 of the automatic equipment 100 of Cement Composite Treated by Plasma shield cutter is injected into ion implantation chamber 7 with the surface deposition thin-film material at shield cutter 4 by plasma body.Wherein, the plasma body of formation accelerates to shield cutter 4 motions through injection probe 8 together with gaseous plasma, and reacts on the surface of shield cutter 4, generates novel substance, and synthetic required thin-film material, deposits to shield cutter 4 surfaces.
At synthetic film material, reach after predeterminable level, complete Cement Composite Treated by Plasma.
Step S104: the shield cutter after Cement Composite Treated by Plasma is delivered to the second prechamber and carries out the standing processing of vacuum, be then delivered to discharge pedestal.
Particularly, thin-film material to be synthesized reaches after setting degree, and the shield cutter 4 that startup driving motor drives stack pallet 3 to carry after Cement Composite Treated by Plasma enters the second prechamber 15 through vacuum valve.It should be noted that, the second prechamber 15 has completed and has vacuumized processing before shield cutter 4 arrives.At the standing default duration of the second prechamber 15, then enabling gate motor 9, and stack pallet 3 enters into 10 motions automatically on discharge pedestal by last vacuum valve, and finally stops gradually.Wherein, in stack pallet 3, accommodate through Cement Composite Treated by Plasma and vacuumize the shield cutter 14 after processing.
Step S105: the shield cutter after the standing processing of vacuum is carried out to finished product detection.
Finally, by operating process, take out the shield cutter 14 of handling well, the finished product detection to shield cutter 14.
In one embodiment of the invention, the finished product detection to shield cutter 14, comprises the surface evenness of shield cutter 14, slickness, cutter ring hardness, frictional coefficient, nanometer cut critical load and cutter torque numerical value is detected.Particularly, by Quality Inspector, estimate surface evenness, slickness, and spot-check and measure cutter ring hardness, frictional coefficient, nanometer cut critical load, cutter torque numerical value etc., are then placed on qualified product district by qualified finished product.
According to the method for the Cement Composite Treated by Plasma shield cutter of the embodiment of the present invention, can reduce vapour deposition CVD and physical vapor deposition PVD power consumption, avoid environmental pollution, and can improve film and basal body binding force and improve sedimentation rate, cutter hardness, wear resistance and work-ing life.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention in the situation that not departing from principle of the present invention and aim, modification, replacement and modification.Scope of the present invention is extremely equal to and limits by claims.
Claims (6)
1. a method for Cement Composite Treated by Plasma shield cutter, is characterized in that, comprises the steps:
Shield cutter is carried out to early stage and process, comprise described shield cutter is carried out to surface finish, ultrasonic cleaning and drying and processing;
Described shield cutter after drying and processing is delivered to the first prechamber and described shield cutter is vacuumized to processing;
The described shield cutter vacuumizing after processing is delivered to plasma process system and described shield cutter is carried out to Cement Composite Treated by Plasma, at the surface deposition thin-film material of described shield cutter;
Described shield cutter after Cement Composite Treated by Plasma is delivered to the second prechamber and carries out the standing processing of vacuum, be delivered to discharge pedestal;
Described shield cutter after the standing processing of vacuum is carried out to finished product detection.
2. the method for Cement Composite Treated by Plasma shield cutter as claimed in claim 1, is characterized in that, adopts acetone to carry out ultrasonic cleaning to remove the foreign material on described shield cutter surface to described shield cutter.
3. the method for Cement Composite Treated by Plasma shield cutter as claimed in claim 1, is characterized in that, adopts moisture eliminator to carry out drying and processing to the described shield cutter after ultrasonic cleaning.
4. the method for Cement Composite Treated by Plasma shield cutter as claimed in claim 1, is characterized in that, described shield cutter is carried out to Cement Composite Treated by Plasma, comprises the steps:
After described shield cutter enters described plasma process system, utilize vacuum pump to vacuumize the ion implantation chamber of described plasma process system, and after described ion implantation chamber reaches default vacuum state, start scanning injection motor, the coaxial plasma gun system of described plasma process system is charged;
Described coaxial plasma gun system is being charged to after preset value, and the impulse electromagnetic valve inlet system of described plasma process system starts automatically so that high-purity gas enters described coaxial plasma gun system;
Described coaxial plasma gun system is carried out internal and external electrode high-voltage breakdown ionization to form plasma body to described high-purity gas;
Injection probe is injected into described ion implantation chamber with the surface deposition thin-film material at described shield cutter by described plasma body, and reaches after predeterminable level at described thin-film material, completes Cement Composite Treated by Plasma.
5. the method for Cement Composite Treated by Plasma shield cutter as claimed in claim 1, is characterized in that, described the second prechamber has completed and vacuumized processing before described shield cutter arrives.
6. the method for Cement Composite Treated by Plasma shield cutter as claimed in claim 1, it is characterized in that, described shield cutter is carried out to finished product detection, comprise that surface evenness, slickness, cutter ring hardness, frictional coefficient, nanometer cut critical load and the cutter torque numerical value to described shield cutter detects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310580714.XA CN103668100A (en) | 2013-11-18 | 2013-11-18 | Plasma treatment method for shield cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310580714.XA CN103668100A (en) | 2013-11-18 | 2013-11-18 | Plasma treatment method for shield cutter |
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| Publication Number | Publication Date |
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| CN103668100A true CN103668100A (en) | 2014-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310580714.XA Pending CN103668100A (en) | 2013-11-18 | 2013-11-18 | Plasma treatment method for shield cutter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018617A (en) * | 2017-03-16 | 2017-08-04 | 深圳市奥普斯等离子体科技有限公司 | A kind of material surface processing unit and method |
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| JP2002021478A (en) * | 2000-07-06 | 2002-01-23 | Shimizu Corp | Plasma molding apparatus and plasma molding method using the same |
| CN101279396A (en) * | 2008-05-22 | 2008-10-08 | 上海兆年实业有限公司 | Method for overlaying-welding wear and cutting resistant cemented carbides on mother plate of shield cutters |
| CN102719862A (en) * | 2012-07-07 | 2012-10-10 | 西安科技大学 | Method for preparing Co-WC composite plating on surface of W18Cr4V steel |
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2013
- 2013-11-18 CN CN201310580714.XA patent/CN103668100A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002021478A (en) * | 2000-07-06 | 2002-01-23 | Shimizu Corp | Plasma molding apparatus and plasma molding method using the same |
| CN101279396A (en) * | 2008-05-22 | 2008-10-08 | 上海兆年实业有限公司 | Method for overlaying-welding wear and cutting resistant cemented carbides on mother plate of shield cutters |
| CN102719862A (en) * | 2012-07-07 | 2012-10-10 | 西安科技大学 | Method for preparing Co-WC composite plating on surface of W18Cr4V steel |
Non-Patent Citations (1)
| Title |
|---|
| 夏志迎: "地铁盾构刀具等离子体材料表面改性研究及应用", 《中国优秀硕士学位论文全文数据库 工程科技I辑》, no. 9, 15 September 2008 (2008-09-15) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018617A (en) * | 2017-03-16 | 2017-08-04 | 深圳市奥普斯等离子体科技有限公司 | A kind of material surface processing unit and method |
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Application publication date: 20140326 |