CN104149312A - Production equipment for continuous extrusion of PEEK sheets and process thereof - Google Patents
Production equipment for continuous extrusion of PEEK sheets and process thereof Download PDFInfo
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- CN104149312A CN104149312A CN201410391231.XA CN201410391231A CN104149312A CN 104149312 A CN104149312 A CN 104149312A CN 201410391231 A CN201410391231 A CN 201410391231A CN 104149312 A CN104149312 A CN 104149312A
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- sheet material
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
- B29C48/9185—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling in the direction of the stream of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0011—Combinations of extrusion moulding with other shaping operations combined with compression moulding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/02—Thermal after-treatment
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/44—Compression means for making articles of indefinite length
- B29C43/46—Rollers
- B29C2043/467—Rollers plurality of rollers arranged in a specific manner in relation to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
- B29C48/906—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using roller calibration
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/911—Cooling
- B29C48/9135—Cooling of flat articles, e.g. using specially adapted supporting means
- B29C48/914—Cooling of flat articles, e.g. using specially adapted supporting means cooling drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
- B29C48/918—Thermal treatment of the stream of extruded material, e.g. cooling characterized by differential heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2871/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as mould material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to production equipment for continuous extrusion of PEEK sheets and a process thereof. The equipment comprises an extruding device, a calendering device and a traction device, wherein the outlet end of the extruding device is opposite to the inlet end of the calendering device; the calendering device is a two-roller calender; and a heat treatment device is arranged between the calendering device and the traction device. The two-roller calender is adopted to replace a traditional three-roller calender; the calendered PEEK sheets are low in warping degree; the online heat treatment device is combined to correct the shrinkage and deformation of the sheets due to uneven heating or cooling in the extruding process so as to guarantee the surface smoothness and no warping of the dragged sheets; in addition, the production equipment is precisely matched with a PEEK sheet processing technology; a heat treatment procedure is performed after calendering formation; and through the design of the temperature of calendering rollers and the sectional heating temperature of heat treatment, the high qualities of continuous production and no warping of the PEEK sheets are guaranteed.
Description
Technical field
The present invention relates to a kind of processing unit (plant) and processing technology of engineering plastics, the production equipment and process that particularly a kind of PEEK sheet material is extruded continuously.
Background technology
Polyether-ether-ketone (PEEK) is a kind of thermoplastic engineering plastic of all aromatic hemicrystalline, has the excellent combination property such as high-fire resistance, corrosion resistance, high-fracture toughness, high strength, high-modulus.In addition, PEEK has fabulous corrosion resistance; Good toughness is the most outstanding in plastics to the good fatigue durability of pulsating stress; Frictional behaviour is outstanding, and coefficient of friction is low, and bearing capacity and wearability are good, can under the harsh and unforgiving environments such as unlubricated, high temperature, humidity, corrosion, use; PEEK also has the features such as insulation, hydrolysis, capability of resistance to radiation be strong, has a wide range of applications at many engineering fields.
Extruding of PEEK section bar is a difficult problem always, and its reason is not only forming temperature, pressure requirement is high, and main is that the control ratio of the profile size degree extruded, flatness, surface flatness is more difficult.For PEEK sheet material, the flatness that adopts normal three-roller type sheet material expressing technique to be difficult to prevent sheet material warpage and to ensure sheet material, must pass through aftertreatment technology integer, and the bad effect on the contrary of integer control is poorer, and increase cost, extend the process time, impact is produced.
Summary of the invention
The object of the invention is: solve the PEEK sheet material warpage of three-roller type sheet material extrusion equipment production in prior art and the defect of flatness deficiency, the production equipment and process that provides a kind of PEEK sheet material to extrude continuously.
The technical scheme that realizes the object of the invention is: the production equipment that a kind of PEEK sheet material is extruded continuously, the port of export that comprises extrusion device, extrusion device is relative with calender device arrival end, draw-gear, described calender device is two-roll calendar, between described calender device and draw-gear, be provided with annealing device, described annealing device is box heater, its top and bottom are respectively arranged with heating system, and are uniformly distributed multiple heating gates.
The production equipment that above-mentioned PEEK sheet material is extruded continuously, described annealing device periphery has heat-insulation layer.
The production equipment that above-mentioned PEEK sheet material is extruded continuously, in described annealing device, rear and front end is respectively arranged with blower fan, and described blower fan is arranged on respectively top and the bottom of annealing device.
The production equipment that above-mentioned PEEK sheet material is extruded continuously, described annealing device is divided into two sections of high-temperature region and low-temperature spaces, described high-temperature region is relative with the outlet of calender device sheet material, high-temperature region and the low temperature section of in production, passing through successively annealing device through the PEEK sheet material of calendering.
The production equipment that above-mentioned PEEK sheet material is extruded continuously, described annealing device is long 2m preferably, and wide 1.2m can process 1m width with interior sheet material.
In addition optional annealing device two ends respectively have an oil cylinder can rise or reduce the height that upper baking oven plate is top heating system.
Use above-mentioned arbitrary production equipment to produce a technique for PEEK sheet material, production process comprises that feeding intake, extrude melting, calendering formation, heat treatment, traction, concrete technology is dried raw material for before feeding intake, and adopts 150 DEG C of hot blasts, is dried 4～6 hours; The described screw slenderness ratio of extruding operation extruder is 28:1, and compression ratio is 3; It is as follows that the heating of barrel arranges: district's temperature: 300 DEG C, two district's temperature: 340 DEG C, three district's temperature: 360 DEG C, four district's temperature: 380 DEG C, flange temperature: 380 DEG C, extruder extrude after through just one-step forming of mould, mold temperature: the temperature setting of 380 DEG C of described calendering formation operation two-roll calendars is set to: upper roll temperature: 160～200 DEG C, lower roll temperature: 160～220 DEG C; The temperature setting of described heat treatment step annealing device is divided into four sections, and temperature is followed successively by: 180 DEG C, 160 DEG C, 140 DEG C, 120 DEG C.
Inventor finds that PEEK crystallisation by cooling speed is fast, out more smooth of two rollers, and tri-roll press machine is many around a circle to PEEK sheet material, easily curling through the sheet material of calendering.Three rollers produce effect for low-melting common plastics very much, and press polish is better.
The present invention has positive effect: (1) PEEK sheet production of the present invention system, adopt two-roll calendar to replace traditional tri-roll press machine, PEEK sheet material angularity through calendering is low, in conjunction with online annealing device processing, correct sheet material in extrusion because being heated or inhomogeneous cooling causes the situation of contraction distortion, the sheet surface that guarantee pulls out is smooth, without warpage; (2), the inside of baking oven adds air blast can allow annealing device hot blast even, makes not have heating gate part also to have hot blast.PEEK sheet material is heated more even, is more conducive to surfacing; (3) periphery of baking oven adds heat-proof device, reduces the loss of heat, also lowers the heat extraction to workshop, energy-conserving and environment-protective; (4) supporting accurate temperature and the heat treated heat stepwise temperature that has designed PEEK sheet material processing technology, especially stack of the present invention, and carry out heat treatment step after calendering formation, guaranteed the PEEK sheet material produced without warpage high-quality.
Brief description of the drawings
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is structural representation of the present invention.
Wherein, 1 extrusion device, 2 calender devices, 3 draw-gears, 4 annealing devices, 5 heating gates, 6 blower fans, 7 hoppers, 8 moulds.
Detailed description of the invention
(embodiment 1)
As the production system of the PEEK sheet material of Fig. 1, by extrusion device 1, calender device 2, annealing device 4, draw-gear 3 forms, the port of export of extrusion device 1 is relative with calender device 2 arrival ends, draw-gear 3 is relative with the sheet material outlet of annealing device, the sheet material outlet of calender device is relative with annealing device sheet material entrance, described calender device 2 is two-roll calendar, described extrusion device 1 is extruder, reinforced by hopper 7, after extruding, tentatively shape through mould 8, described annealing device 4 is that box heater is long, 2m, wide 1.2m, its top and bottom are respectively arranged with heating system as electrical heating wire, and be uniformly distributed multiple heating gates 5.The interior rear and front end of annealing device 4 is respectively arranged with blower fan 5, is arranged on respectively top and the bottom of annealing device 3, and quantity is 4.The periphery of annealing device 4 has heat-insulation layer silica wool.
Annealing device 4 is divided into two sections of high-temperature region and low-temperature spaces, described high-temperature region is relative with calender device 2 sheet material outlets, high-temperature region and the low temperature section of in production, passing through successively annealing device 4 through the PEEK sheet material of calendering, can be by regulating two sections of temperature difference to make sheet material slow cooling; Evenly be divided into from left to right four groups, can according to from pressure roller out the Texturized situation of sheet material regulate different temperatures, every group has upper and lower two heating systems in addition, ensures that upper and lower surface heat treatment temperature is even.And temperature is adjustable, the highlyest can be transferred to 300 degree, in baking oven, be uniformly distributed 8 stainless steels guiding carry-over pinch rolls free to rotate, to avoid scratching sheet surface in traction, device two ends respectively have an oil cylinder can rise or reduce the height of upper baking oven plate.
Use above-mentioned production equipment to produce PEEK sheet material, production process comprises that feeding intake, extrude melting, calendering formation, heat treatment, traction, concrete technology is dried raw material for before feeding intake, and adopts 150 DEG C of hot blasts, is dried 6 hours; The screw slenderness ratio of extruding operation extruder is 28:1, and compression ratio is 3; It is as follows that the heating of barrel arranges: district's temperature: 300 DEG C, two district's temperature: 340 DEG C, three district's temperature: 360 DEG C, four district's temperature: 380 DEG C, flange temperature: 380 DEG C, extruder extrude after through just one-step forming of mould, mold temperature: the temperature setting of 380 DEG C of described calendering formation operation two-roll calendars is set to: upper roll temperature: 160 DEG C, lower roll temperature: 180 DEG C; The temperature setting of described heat treatment step annealing device is divided into four sections, and temperature is followed successively by: 180 DEG C, 160 DEG C, 140 DEG C, 120 DEG C.
The PEEK sheet material that the present embodiment is produced is after testing: long 800mm, wide 780mm, thick 8mm, and angularity: 1mm, wherein angularity adopts angularity measuring instrument to measure.
(embodiment 2)
Device part is with embodiment 1, and production technology part is as follows:
Use above-mentioned production equipment to produce PEEK sheet material, production process comprises and feeds intake, extrudes melting, calendering formation, heat treatment, traction, and concrete technology is dried raw material for before feeding intake, and adopts 150 DEG C of hot blasts, is dried 5 hours; The screw slenderness ratio of extruding operation extruder is 28:1, and compression ratio is 3; It is as follows that the heating of barrel arranges: district's temperature: 300 DEG C, two district's temperature: 340 DEG C, three district's temperature: 360 DEG C, four district's temperature: 380 DEG C, flange temperature: 380 DEG C, extruder extrude after through just one-step forming of mould, mold temperature: the temperature setting of 380 DEG C of described calendering formation operation two-roll calendars is set to: upper roll temperature: 180 DEG C, lower roll temperature: 200 DEG C; The temperature setting of described heat treatment step annealing device is divided into four sections, and temperature is followed successively by: 180 DEG C, 160 DEG C, 140 DEG C, 120 DEG C.
The PEEK sheet material that the present embodiment is produced is after testing: long 800mm, wide 780mm, thick 8mm, and angularity: 0.8mm, wherein angularity adopts angularity measuring instrument to measure.
(embodiment 3)
Device part is with embodiment 1, and production technology part is as follows:
Use above-mentioned production equipment to produce PEEK sheet material, production process comprises and feeds intake, extrudes melting, calendering formation, heat treatment, traction, and concrete technology is dried raw material for before feeding intake, and adopts 150 DEG C of hot blasts, is dried 4 hours; The screw slenderness ratio of extruding operation extruder is 28:1, and compression ratio is 3; It is as follows that the heating of barrel arranges: district's temperature: 300 DEG C, two district's temperature: 340 DEG C, three district's temperature: 360 DEG C, four district's temperature: 380 DEG C, flange temperature: 380 DEG C, extruder extrude after through just one-step forming of mould, mold temperature: the temperature setting of 380 DEG C of described calendering formation operation two-roll calendars is set to: upper roll temperature: 200 DEG C, lower roll temperature: 220 DEG C; The temperature setting of described heat treatment step annealing device is divided into four sections, and temperature is followed successively by: 180 DEG C, 160 DEG C, 140 DEG C, 120 DEG C.
The PEEK sheet material that the present embodiment is produced is after testing: long 800mm, wide 780mm, thick 8mm, and angularity: 0.5mm, wherein angularity adopts angularity measuring instrument to measure.
Above-described specific embodiment; object of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. the production equipment that PEEK sheet material is extruded continuously, the port of export that comprises extrusion device (1), extrusion device (1) is relative with calender device (2) arrival end, draw-gear (3), it is characterized in that: described calender device (2) is two-roll calendar, between described calender device (2) and draw-gear (3), be provided with annealing device (4), described annealing device (4) is box heater, its top and bottom are respectively arranged with heating system, and are uniformly distributed multiple heating gates (5).
2. the production equipment that PEEK sheet material according to claim 1 is extruded continuously, is characterized in that: described annealing device (3) periphery has heat-insulation layer.
3. the production equipment that PEEK sheet material according to claim 1 is extruded continuously, it is characterized in that: the interior rear and front end of described annealing device (4) is respectively arranged with blower fan (6), and described blower fan (6) is arranged on respectively top and the bottom of annealing device (3).
4. the production equipment of extruding continuously according to the PPEEK sheet material described in claim 1 or 2 or 3, it is characterized in that: described annealing device (4) is divided into two sections of high-temperature region and low-temperature spaces, described high-temperature region is relative with the outlet of calender device (2) sheet material, high-temperature region and the low temperature section of in production, passing through successively annealing device (4) through the PEEK sheet material of calendering.
5. the production equipment of extruding continuously according to the PEEK sheet material described in claim 1 or 2 or 3, is characterized in that: the long 2m of described annealing device (4), wide 1.2m.
6. a technique that uses the production equipment described in above-mentioned arbitrary claim to produce PEEK sheet material, production process comprises and feeds intake, extrudes melting, calendering formation, traction, it is characterized in that: after calendering formation, carry out heat treatment step; The temperature setting of described calendering formation operation two-roll calendar is set to: upper roll temperature: 160～200 DEG C, and lower roll temperature: 160～220 DEG C; The temperature setting of described heat treatment step annealing device is divided into four sections, and temperature is followed successively by: 180 DEG C, 160 DEG C, 140 DEG C, 120 DEG C.
7. the technique of production PEEK sheet material according to claim 6, is characterized in that: before feeding intake, raw material is dried, adopts 150 DEG C of hot blasts, dry 4～6 hours; The described screw slenderness ratio of extruding operation extruder is 28:1, and compression ratio is 3; It is as follows that the heating of barrel arranges: district's temperature: 300 DEG C, and two district's temperature: 340 DEG C, three district's temperature: 360 DEG C, four district's temperature: 380 DEG C, flange temperature: 380 DEG C; Extruder extrude after through just one-step forming of mould, mold temperature: 380 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410391231.XA CN104149312A (en) | 2014-08-08 | 2014-08-08 | Production equipment for continuous extrusion of PEEK sheets and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410391231.XA CN104149312A (en) | 2014-08-08 | 2014-08-08 | Production equipment for continuous extrusion of PEEK sheets and process thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104149312A true CN104149312A (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410391231.XA Pending CN104149312A (en) | 2014-08-08 | 2014-08-08 | Production equipment for continuous extrusion of PEEK sheets and process thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN104149312A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743736A (en) * | 2020-12-28 | 2021-05-04 | 九江天赐高新材料有限公司 | Polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane and preparation method and application thereof |
| CN113334729A (en) * | 2021-06-05 | 2021-09-03 | 河北安耐胶带有限公司 | Four-roller calendering device and production process for laminated conveyor belt covered with welting adhesive |
| CN116590633A (en) * | 2023-07-18 | 2023-08-15 | 中国机械总院集团宁波智能机床研究院有限公司 | Preparation device and preparation method of Babbitt metal and reinforced fiber composite material |
| CN117283852A (en) * | 2023-11-24 | 2023-12-26 | 江苏君华特种工程塑料制品有限公司 | PEEK extruder extrusion pressure detection device |
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| CN101462353A (en) * | 2007-12-21 | 2009-06-24 | 住友化学株式会社 | Method for producing extruded resin sheet |
| CN103722718A (en) * | 2013-12-25 | 2014-04-16 | 深圳市恩欣龙特种工程塑料有限公司 | PEEK plastic rod production device and process |
| CN204036809U (en) * | 2014-08-08 | 2014-12-24 | 常州君华特种工程塑料制品有限公司 | The production equipment that a kind of PEEK sheet material is extruded continuously |
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2014
- 2014-08-08 CN CN201410391231.XA patent/CN104149312A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101462353A (en) * | 2007-12-21 | 2009-06-24 | 住友化学株式会社 | Method for producing extruded resin sheet |
| CN103722718A (en) * | 2013-12-25 | 2014-04-16 | 深圳市恩欣龙特种工程塑料有限公司 | PEEK plastic rod production device and process |
| CN204036809U (en) * | 2014-08-08 | 2014-12-24 | 常州君华特种工程塑料制品有限公司 | The production equipment that a kind of PEEK sheet material is extruded continuously |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112743736A (en) * | 2020-12-28 | 2021-05-04 | 九江天赐高新材料有限公司 | Polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane and preparation method and application thereof |
| CN113334729A (en) * | 2021-06-05 | 2021-09-03 | 河北安耐胶带有限公司 | Four-roller calendering device and production process for laminated conveyor belt covered with welting adhesive |
| CN113334729B (en) * | 2021-06-05 | 2022-08-23 | 河北安耐胶带有限公司 | Four-roller calendering device and production process for laminated conveyor belt covered with welting adhesive |
| CN116590633A (en) * | 2023-07-18 | 2023-08-15 | 中国机械总院集团宁波智能机床研究院有限公司 | Preparation device and preparation method of Babbitt metal and reinforced fiber composite material |
| CN116590633B (en) * | 2023-07-18 | 2023-11-03 | 中国机械总院集团宁波智能机床研究院有限公司 | Preparation device and preparation method of Babbitt metal and reinforced fiber composite material |
| CN117283852A (en) * | 2023-11-24 | 2023-12-26 | 江苏君华特种工程塑料制品有限公司 | PEEK extruder extrusion pressure detection device |
| CN117283852B (en) * | 2023-11-24 | 2024-02-09 | 江苏君华特种高分子材料股份有限公司 | PEEK extruder extrusion pressure detection device |
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Application publication date: 20141119 |
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| RJ01 | Rejection of invention patent application after publication |