CN107639919A - A kind of film specific complex machine - Google Patents
A kind of film specific complex machine Download PDFInfo
- Publication number
- CN107639919A CN107639919A CN201610580867.8A CN201610580867A CN107639919A CN 107639919 A CN107639919 A CN 107639919A CN 201610580867 A CN201610580867 A CN 201610580867A CN 107639919 A CN107639919 A CN 107639919A
- Authority
- CN
- China
- Prior art keywords
- unit
- film
- tension force
- complex machine
- specific complex
- 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.)
- Pending
Links
Landscapes
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The present invention relates to packaging material field of compounding, and in particular to a kind of film specific complex machine.Present invention is mainly used for solve the problems, such as that packaging material film composite performance is unstable.The invention provides a kind of film specific complex machine, it includes the first unwinding unit, the second unwinding unit, the 3rd unwinding unit, traction unit, recombiner unit and rolling unit, the traction unit has the steel rider and soft roller to rolling, and film is prolonged pressure when being passed through between the steel rider and soft roller；The recombiner unit has constant temperature heating device and composite roll, and the composite roll to the film for prolonging pressure by the traction unit heat compound.In an application of the invention, being subjected to pending film, chilling roller prolongs pressure and hot-rolling is compound, realizes that plastic-aluminum, modeling modeling etc. are solvent-free compound without glue between material, and it is compound after do not need any maturing process, stable performance can directly cut finished product, environmental protection and can reduce production cost.
Description
Technical field
The present invention relates to a kind of packaging material processing equipment, more particularly to a kind of packaging material equipment complex, one is referred specifically to
Kind film specific complex machine.
Background technology
With industrial expansion, it is often necessary to possess the packaging material of various characteristics, such as aluminium-modeling, modeling-modeling, steel-modeling
Deng composite, and in existing production film equipment complex, frequently encounter and need to use the gluing of various chemicals proportionings
Agent, and need to be equipped with special heating, drying equipment for this, and it is compound after also need by maturing process, not only process is answered
It is miscellaneous, and the characteristic of products obtained therefrom is also unstable.Winding control problem is frequently encountered in the production process of composite membrane simultaneously,
Uncoiling, coiling tension such as material volume or wire rod is most important to the quality of product, if overtension, can cause the drawing of rapidoprint
Deformation is stretched, raw material is easily pulled off again, and finished product broken end increases after making cutting and rewinding；Tension force is too small, can make the layer of material that batches with
Stress deformation between layer, causes to wind irregular, influences crudy.
Chinese patent CN200410068929.4 discloses a kind of compounding machine of anti-counterfeiting packaging paper board.Although the patent is realized
One side is compound, but two-sided combined efficiency is not high, and wherein using and drying, cooling down there is a large amount of glue, energy
Source wastes the problem of more and because of glue use easily brings secondary pollution, so as to be unfavorable for environmental protection, does not provide solution also
The scheme of tension force problem in process.
Therefore, how to provide a kind of controllable film equipment complex of stable performance turns into this area urgent problem to be solved.
The content of the invention
The purpose of the present invention be overcome it is above-mentioned in the prior art the shortcomings that, there is provided it is a kind of in the recombination process of film without glue
Stick and the film specific complex machine controllable without the stable performance of maturing process, tension force.
In order to realize above-mentioned purpose, film specific complex machine of the invention has following composition：Including the first unwinding unit,
Two unwinding units, the 3rd unwinding unit, traction unit, recombiner unit and rolling unit, the traction unit is respectively to respectively unreeling
The film of unit applies traction force, makes the film after the traction unit converges, and is exported after recombiner unit acts on to described
Rolling unit, the traction unit have steel rider to rolling and a soft roller, the film between the steel rider and soft roller through when by
Pressed to prolonging；The recombiner unit has constant temperature heating device and composite roll, and the composite roll by the traction unit to prolonging pressure
The film heat it is compound.
As a further improvement on the present invention, each unit described in the film specific complex machine is each equipped with tension force dress
Put, the tension force for making the film be born in whole traveling process keeps constant.
As a further improvement on the present invention, tenslator includes tension force test section described in the film specific complex machine
Part, tension force part, execution unit；The tension force detection part is used to detect the tension force that the film is born, the tension force portion
Part receives the detected value F1 of the tension force detection part, compared with the setting value F0 of tension force in the tension force part, takes institute
It is defeated to the execution unit when stating detected value F1 and setting value F0 difference DELTA F and being more than the working value of the execution unit
Go out to act execute instruction.
As a further improvement on the present invention, the first unwinding unit described in the film specific complex machine, the second unwinding unit,
The tension force detection part in the tenslator that 3rd unwinding unit is configured is pressure sensor, the execution
Part is magnetic powder brake.
As a further improvement on the present invention, the steel rider of traction unit is power roller described in the film specific complex machine, should
Power roller is driven by individual motor；The soft roller is ethylene-propylene-diene monomer rubber roll, and a diameter of Φ 150mm, characterisitic parameter is Shao Er (A)
75 ° ± 2 °, 74.6 ° of 74.5 ° ± 1 ° of preferably Shao Er (A), most preferably Shao Er (A) to 74.8 ° of Shao Er (A).
As a further improvement on the present invention, the tension force of the configuration of traction unit described in the film specific complex machine
The tension force detection part in device includes dancer and the potential tracking method device for reading the dancer change in location, institute
It is motor driver to state execution unit.
As a further improvement on the present invention, motor driver described in the film specific complex machine is AC vector frequency conversion control
Device processed.
As a further improvement on the present invention, recombiner unit described in the film specific complex machine includes configured tension force control
The tension force detection part in device processed includes dancer and the potential tracking method device for reading the dancer change in location,
The execution unit is motor driver.
As a further improvement on the present invention, the tension force dress that rolling unit is configured described in the film specific complex machine
Taper tension controller is set to, the taper tension controller includes pressure sensor as tension force detection part, motor driver
As execution unit.
As a further improvement on the present invention, the composite roll of recombiner unit described in the film specific complex machine is through hard chrome mirror
The composite roll of face processing, including composite steel roll, compound back flow roll and Compound rubber roller, each composite roll are driven by motor；The perseverance
Warm heater is external electric heat pipe for thermal conductivity oil heating unit, and the device makes the composite roll be under heated at constant temperature environment to transport
Turn.
As a further improvement on the present invention, the first unwinding unit also includes automatic deviation correction described in the film specific complex machine
Device, the horizontal transverse direction for the material volume along the film adjust the material volume.
As a further improvement on the present invention, each unwinding unit is respectively provided with car-type single shaft described in the film specific complex machine
Single-station discharging frame, the material volume of the film are placed on the gas expansion shaft of the discharging frame.
As a further improvement on the present invention, rolling unit has car-type single shaft either simplex described in the film specific complex machine
Position discharging frame, the material volume of the shaping of the film are placed on the gas expansion shaft of the receiving rack.
As a further improvement on the present invention, Compound rubber roller described in the film specific complex machine is ethylene-propylene-diene monomer rubber roll,
A diameter of Φ 190mm, characterisitic parameter are 85 ° ± 2 ° of Shao Er (A).
In the application of the specific complex machine of the present invention, pending film is subjected to the chilling roller of traction unit and prolong pressure and compound list
The hot-rolling of member is compound, realizes solvent-free compound without glue between aluminium-modeling, modeling-modeling, could be applicable to all kinds of bags such as food, medicine
Fill it is compound, and it is compound after do not need any maturing process, finished product is directly cut, it is therefore not necessary to be equipped with for adhesive corresponding big
Power drying plant, the problem of bringing secondary pollution using adhesive is there will not be, and the tension force of complete machine is suitable, finished product
Rate is greatly improved, and can realize the effect for reducing production cost and energy-conserving and environment-protective on the whole.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the film specific complex machine of the present invention；
Fig. 2 is the structural representation of the first unwinding unit of the film specific complex machine of the present invention；
Fig. 3 is the structural representation of the second unwinding unit of the film specific complex machine of the present invention；
Fig. 4 is the structural representation of the 3rd unwinding unit of the film specific complex machine of the present invention；
Fig. 5 is the structural representation of the traction unit of the film specific complex machine of the present invention；
Fig. 6 is the structural representation of the recombiner unit of the film specific complex machine of the present invention；
Fig. 7 is the structural representation of the rolling unit of the film specific complex machine of the present invention.
Embodiment
In order to be more clearly understood that the technology contents of the present invention, described in detail especially exemplified by following examples.
As shown in figure 1, film specific complex machine 100 has following composition：Including the first unwinding unit 1, the second unwinding unit 2,
3rd unwinding unit 3, traction unit 4, recombiner unit 5 and rolling unit 6, the traction unit 4 respectively to each unwinding unit 1,
2nd, 3 film 73,72,71 applies traction force, makes the film 73,72,71 after the traction unit 4 converges, through recombiner unit 5
Output is to the rolling unit 6 after effect, and the traction unit 4 has a steel rider 41 and soft roller 42 to rolling, and the film 7 is from described
Prolonged pressure when being passed through between steel rider 41 and soft roller 42；The recombiner unit 5 have constant temperature heating device 54 and composite roll 51,
52nd, 53, the film 7 that the composite roll 51,52,53 pairs of process traction units 4 prolong pressure heat compound.
As shown in Figures 2 to 7, each unit 1,2,3,4,5,6 is each equipped with tension force control described in the film specific complex machine 100
Device 8 processed, the tension force for making the film 7 be born in whole traveling process keep constant.
As shown in Figures 2 to 7, tenslator 8 includes tension force detection part described in the film specific complex machine 100
81st, tension force part 82, execution unit 83；The tension force detection part 81 is used to detect the tension force that the film 7 is born, the tension force
Control unit 82 receives the detected value F of the tension force detection part 811, the setting value F with tension force in the tension force part 820
Compare, when taking the detected value F1 and setting value F0 difference DELTA F to be more than the working value of the execution unit 83, to institute
State the output action execute instruction of execution unit 83.The setting value F of pre-set tension03~35kg of setting range, tension force precision
±0.5kg。
As shown in Figures 2 to 4, the first unwinding unit 1 described in the film specific complex machine 100, the second unwinding unit 2,
The tension force detection part 81 in the tenslator 8 that three unwinding units 3 are configured is pressure sensor, described to hold
Row part 83 is magnetic powder brake.Wherein magnetic powder brake is single shaft magnetic powder brake, working value 10kg.
As shown in figure 5, the steel rider 41 of traction unit 4 described in the film specific complex machine 100 is power roller, the power roller by
Motor 832 drives；The soft roller 42 is ethylene-propylene-diene monomer rubber roll, a diameter of Φ 150mm, characterisitic parameter be 75 ° of Shao Er (A) ±
2 °, 74.6 ° of Shao Er (A) is best to 74.8 ° of effects of Shao Er (A).
As shown in figure 5, in the tenslator 8 of the configuration of traction unit 4 described in the film specific complex machine 100
The tension force detection part 81 includes dancer 811 and the potential tracking method device 812 for reading the dancer change in location, institute
It is motor driver 831 to state execution unit 83.
As shown in figure 5, motor driver 831 described in the film specific complex machine 100 is AC vector frequency-variable controller.
As shown in fig. 6, recombiner unit 5 described in the film specific complex machine 100 is included in configured tenslator 8
The tension force detection part 81 include dancer 811 and the potential tracking method device for reading the change in location of dancer 811
812, the execution unit 83 is motor driver 831.
As shown in fig. 7, the tenslator 8 that rolling unit 6 is configured described in the film specific complex machine 100 is taper
Tension controller, the taper tension controller include pressure sensor as tension force detection part 81, the conduct of motor driver 831
Execution unit 83.
As shown in fig. 6, the composite roll 51,52,53 of recombiner unit 5 described in the film specific complex machine 100 is through hard chrome mirror
The composite roll of face processing, including composite steel roll 51, compound back flow roll 52 and Compound rubber roller 53, each composite roll 51,52,53 is by electricity
Machine 832 drives；The constant temperature heating device 54 is external electric heat pipe for thermal conductivity oil heating unit, and the device makes the composite roll
51st, 52,53 operated under heated at constant temperature environment.The external electric heat pipe for thermal conductivity oil heating unit configured in this embodiment,
Compared to traditional bellows type drying unit (at least needing 400kW), the electric power of device is 198kW, and effect is used in the energy
Greatly improved in rate.
As shown in Fig. 2 the first unwinding unit 1 described in the film specific complex machine 100 also includes automatic deviation rectifying device 13, use
The material volume is adjusted in the horizontal transverse direction of the material volume along the film 7, the snake type deviation during film operation is corrected, makes the film
Run along desired guiding trajectory.Wherein the laterally adjustable scope of material volume is ± 15mm.
As shown in Figures 2 to 4, each unwinding unit 1,2,3 is respectively provided with car-type single shaft described in the film specific complex machine 100
Single-station discharging frame 11,21,31, the material volume of the film 7 are placed on the gas expansion shaft 12,22,32 of the discharging frame.
As shown in fig. 7, rolling unit 6 described in the film specific complex machine 100 has car-type single shaft single-station discharging frame
61, the material volume of the shaping of the film 7 is placed on the gas expansion shaft 62 of the receiving rack.
As shown in fig. 6, Compound rubber roller 53 described in the film specific complex machine 100 is ethylene-propylene-diene monomer rubber roll, a diameter of Φ
190mm, characterisitic parameter are 85 ° ± 2 ° of Shao Er (A).
The major parameter of each unit in embodiments：
The film specific complex owner of the present invention wants suitable material type and thickness as follows：
20~60um of CPP 20~60um BOPP 15~60um OPP
12~50um of PET 12~60um PE 20~140um NY
20~120um of aluminium foil 15~50um paper 12~80g/ ㎡ combined films
Closed-loop tension control refers to that needing tension force (electric potential signal/position) detection feedback signal to form closed loop adjusts in the present invention
Section, wherein output frequency of the frequency converter according to feedback signal regulation motor is referred to motor-driven closed-loop tension control pattern,
Change the speed of respective rollers, and then the purpose of adjusting film institute bearing tension force, the principle of the control model is by film linear speed
Degree and the coil diameter of actual material volume calculate a matching frequency setting value, then pass through tension force (electric potential signal/position position) feedback letter
Number carry out PID arithmetic produce a frequency adjusted value, final frequency output be frequency setting value and adjusted value sum.Frequency setting
Value can be such that the linear velocity of receiving/releasing material volume is matched substantially with the linear velocity of film substantially, and then only need to somewhat adjust can meet to control
Demand processed, with solving in closed-loop control response quickly of system and control stability well contradiction.
In the application of the specific complex machine of the present invention, pending film is subjected to the chilling roller of traction unit and prolong pressure and compound list
The hot-rolling of member is compound, realizes solvent-free compound without glue between aluminium-modeling, modeling-modeling, could be applicable to all kinds of bags such as food, medicine
Fill it is compound, and it is compound after do not need any maturing process, directly cut finished product.It is therefore not necessary to it is equipped with for adhesive corresponding big
Power drying plant, the problem of bringing secondary pollution using adhesive is there will not be, and the tension force of complete machine is suitable, finished product
Rate is greatly improved, and properties of product are stable, can realize the effect for reducing production cost and energy-conserving and environment-protective on the whole.
In actual applications, film specific complex machine of the invention uses 6 sets of Full-automatic tension control systems, and three are unreeled
Unit is braked using single shaft magnetic powder brake；Traction unit, recombiner unit, rolling unit are driven using motor driver
Dynamic motor control, detected using precision pressure sensor closed loop or dancer is participated in opening using potential tracking method feedback tension signal
Power closed-loop control, there is the tension force compared with high stable, rolling unit is directly batched using independent alternating-current variable frequency motor, intelligence
Type taper tension controls, and effectively solves coiled material and grabs stamen phenomenon, the yield rate of product is significantly improved.It can also use technical grade high
Fast PLC centralized Controls, colored man-machine interface Chinese display operating system, it is more beneficial for realizing mechanical, electrical, light, gas integral design, has
Perfect safety protection function.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that it can still make
Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings are considered as illustrative
It is and nonrestrictive.
Claims (10)
1. a kind of film specific complex machine, including it is the first unwinding unit, the second unwinding unit, the 3rd unwinding unit, traction unit, multiple
Unit and rolling unit are closed, the traction unit applies traction force to the film of each unwinding unit respectively, makes the film at this
After traction unit converges, exported after recombiner unit acts on to the rolling unit, it is characterised in that the traction unit has
Steel rider and soft roller to rolling, the film are prolonged pressure when being passed through between the steel rider and soft roller；The recombiner unit has perseverance
Warm heater and composite roll, the composite roll to the film for prolonging pressure by the traction unit heat compound.
2. film specific complex machine according to claim 1, it is characterised in that each unit is each equipped with tension force dress
Put, the tension force for making the film be born in whole traveling process keeps constant.
3. film specific complex machine according to claim 2, it is characterised in that the tenslator detects including tension force
Part, tension force part, execution unit；The tension force detection part is used to detect the tension force that the film is born, the tension force
Part receives the detected value F of the tension force detection part1, the setting value F with tension force in the tension force part0Compare, take institute
State detected value F1With the setting value F0Difference DELTA F be more than the execution unit working value when, to the execution unit export
Action executing instructs.
4. film specific complex machine according to claim 2, it is characterised in that first unwinding unit, second unreel list
The tension force detection part in the tenslator that member, the 3rd unwinding unit are configured is pressure sensor, described
Execution unit is magnetic powder brake.
5. film specific complex machine according to any one of claims 1 to 2, it is characterised in that the steel rider of the traction unit is
Power roller, the power roller are driven by motor；The soft roller is ethylene-propylene-diene monomer rubber roll, and a diameter of Φ 150mm, characterisitic parameter is Shao
75 ° ± 2 ° of that (A).
6. film specific complex machine according to claim 5, it is characterised in that the tension force control of the traction unit configuration
The tension force detection part in device processed includes dancer and the potential tracking method device for reading the dancer change in location,
The execution unit is motor driver.
7. film specific complex machine according to claim 6, it is characterised in that the motor driver is AC vector frequency conversion
Controller.
8. film specific complex machine according to claim 2, it is characterised in that the recombiner unit includes configured tension force
The tension force detection part in control device includes dancer and the potential tracking method for reading the dancer change in location
Device, the execution unit are motor driver.
9. film specific complex machine according to claim 2, it is characterised in that the tension force that the rolling unit is configured
Device is taper tension controller, and the taper tension controller includes pressure sensor and driven as tension force detection part, motor
Device is as execution unit.
10. film specific complex machine according to claim 5, it is characterised in that the characterisitic parameter is 74.6 ° of Shao Er (A)
To 74.8 ° of Shao Er (A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580867.8A CN107639919A (en) | 2016-07-22 | 2016-07-22 | A kind of film specific complex machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580867.8A CN107639919A (en) | 2016-07-22 | 2016-07-22 | A kind of film specific complex machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107639919A true CN107639919A (en) | 2018-01-30 |
Family
ID=61109711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610580867.8A Pending CN107639919A (en) | 2016-07-22 | 2016-07-22 | A kind of film specific complex machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107639919A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016780A (en) * | 2018-07-24 | 2018-12-18 | 江苏金峰轻工装备有限公司 | A kind of multilayer new material specific complex machine |
| CN109551770A (en) * | 2018-12-19 | 2019-04-02 | 中山松德印刷机械有限公司 | A kind of steel rider heated type composite aircraft structure |
| CN110539496A (en) * | 2019-09-27 | 2019-12-06 | 苏州市兴视创纺织科技研究有限公司 | Mechanical system for gluing 3D four-layer inflatable thermal channel fabric |
| CN110626032A (en) * | 2019-09-09 | 2019-12-31 | 浙江中域科技股份有限公司 | In-mold labeling and production equipment with seven-color effect |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200995514Y (en) * | 2007-01-17 | 2007-12-26 | 广东德冠包装材料有限公司 | Composite unsized coater |
| CN201845801U (en) * | 2010-10-09 | 2011-05-25 | 浙江哈氟龙新能源有限公司 | Manufacturing device for wide-width solar battery pack back panel |
-
2016
- 2016-07-22 CN CN201610580867.8A patent/CN107639919A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200995514Y (en) * | 2007-01-17 | 2007-12-26 | 广东德冠包装材料有限公司 | Composite unsized coater |
| CN201845801U (en) * | 2010-10-09 | 2011-05-25 | 浙江哈氟龙新能源有限公司 | Manufacturing device for wide-width solar battery pack back panel |
Non-Patent Citations (2)
| Title |
|---|
| 陈永常编: "《复合软包装材料的制作与印刷》", 31 January 2007 * |
| 马平东编: "《凹版印刷工 中 初级工、中级工、高级工》", 30 June 2015 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109016780A (en) * | 2018-07-24 | 2018-12-18 | 江苏金峰轻工装备有限公司 | A kind of multilayer new material specific complex machine |
| CN109016780B (en) * | 2018-07-24 | 2020-10-20 | 苏州知瑞光电材料科技有限公司 | Special compounding machine of multilayer new material |
| CN109551770A (en) * | 2018-12-19 | 2019-04-02 | 中山松德印刷机械有限公司 | A kind of steel rider heated type composite aircraft structure |
| CN110626032A (en) * | 2019-09-09 | 2019-12-31 | 浙江中域科技股份有限公司 | In-mold labeling and production equipment with seven-color effect |
| CN110626032B (en) * | 2019-09-09 | 2024-05-28 | 浙江中域科技股份有限公司 | In-mold labeling with colorful effect and production equipment thereof |
| CN110539496A (en) * | 2019-09-27 | 2019-12-06 | 苏州市兴视创纺织科技研究有限公司 | Mechanical system for gluing 3D four-layer inflatable thermal channel fabric |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107639919A (en) | A kind of film specific complex machine | |
| KR101693073B1 (en) | Winding glass ribbon by tensioning interleaving material | |
| CN203697490U (en) | Production equipment for continuous fiber reinforced thermoplastic sheet | |
| CN204289597U (en) | A kind of battery pole piece hot-rolling pressure Tape threading apparatus | |
| CN106239929A (en) | A kind of making forming method of composite material pipe | |
| CN102152474A (en) | Control method of filament winding constant tension of no-gyrating bodycomposite material member | |
| CN205573055U (en) | Fibre winding shaping large tension control system | |
| CN202704662U (en) | Organic membrane reeling control device with large package amount | |
| CN202275887U (en) | Lithium ion power battery pole piece wrinkle resistant roller | |
| CN105437709A (en) | Double-surface film covering system | |
| CN204549586U (en) | A kind of pair unreels double sheet force control apparatus | |
| CN106099015A (en) | Ceramic diaphragm coating cutting machine | |
| CN202007043U (en) | Polytetrafluoroethylene film longitudinal stretching machine set | |
| CN109501221B (en) | Polypropylene is from type membrane secondary stretching device | |
| CN207738186U (en) | Slitting rewinder | |
| CN204381525U (en) | Amorphous alloy strips curve cutting machine | |
| CN203700448U (en) | Vertical type annealing furnace for high-temperature superconducting Ni5W alloy base band | |
| CN207058976U (en) | A kind of production of prepreg is with changing paper equipment | |
| CN202415947U (en) | Multi-purpose easily-deformed fabric compounding machine | |
| CN109534064A (en) | More motor coupled system indirect tension control methods based on coil diameter adaptive estimation | |
| CN206254567U (en) | Insert edge reel coating materials production line | |
| CN202011661U (en) | Reeling device of spreader for producing electronic protective film | |
| CN204367434U (en) | Carbon fiber gives dipping machine | |
| CN109366958B (en) | Secondary stretching process of polypropylene release film | |
| Chen et al. | Design of tension control system for automated fibre placement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180130 |