WO2021172598A1 - 繊維強化樹脂材の成形品製造装置および成形品の製造方法 - Google Patents

繊維強化樹脂材の成形品製造装置および成形品の製造方法 Download PDF

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Publication number
WO2021172598A1
WO2021172598A1 PCT/JP2021/019942 JP2021019942W WO2021172598A1 WO 2021172598 A1 WO2021172598 A1 WO 2021172598A1 JP 2021019942 W JP2021019942 W JP 2021019942W WO 2021172598 A1 WO2021172598 A1 WO 2021172598A1
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WO
WIPO (PCT)
Prior art keywords
mold
heating plate
reinforced resin
resin material
fiber
Prior art date
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PCT/JP2021/019942
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English (en)
French (fr)
Japanese (ja)
Inventor
友明 済藤
祥史 首藤
Original Assignee
株式会社Ｔｈｅ ＭＯＴ Ｃｏｍｐａｎｙ
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Application filed by 株式会社Ｔｈｅ ＭＯＴ Ｃｏｍｐａｎｙ filed Critical 株式会社Ｔｈｅ ＭＯＴ Ｃｏｍｐａｎｙ
Priority to CN202180003539.0A priority Critical patent/CN113891794B/zh
Publication of WO2021172598A1 publication Critical patent/WO2021172598A1/ja

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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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • 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
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • 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
    • B29C43/52—Heating or cooling
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/42—Heating or cooling
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
    • B29C2033/042—Meander or zig-zag shaped cooling channels, i.e. continuous cooling channels whereby a plurality of cooling channel sections are oriented in a substantial parallel direction

Definitions

  • the present invention relates to a fiber reinforced resin molded product manufacturing apparatus whose strength is increased by combining with fibers such as glass fiber and carbon fiber, and a method for manufacturing a fiber reinforced resin molded product using this molded product manufacturing apparatus.
  • synthetic resin fibers such as cellulose, boron and aramid are known as fibers used.
  • the material obtained by impregnating or mixing these fibers as continuous fibers or discontinuous fibers (short fibers) with a thermosetting resin or a thermoplastic resin is a prepreg, a sheet molding compound (SMC), or a tape-like, sheet-like, or mat-like material. It is provided as a fiber reinforced resin material (processed material) in the form of.
  • the above materials are molded into a desired shape by a press to be manufactured as a fiber reinforced plastic material (FRP) molded product, and are supplied to a wide range of fields such as building materials and constituent materials of ships or aircraft.
  • Press molding is a slide in which a pair of dies (generally, one: a female upper die (cavity) and the other: a male lower die (core)) are driven by a hydraulic cylinder or an electric motor.
  • the processed material for example, prepreg
  • the processed material that is moved up and down and inserted between the pair of dies (above the lower die) is heated and compressed by a press to form a required shape, cooled, and then the upper and lower dies are opened. And take it out as a product.
  • Patent Document 1 can be cited as a disclosure of this type of prior art.
  • Patent Document 1 uses a press molding die that eliminates the variation in resin impregnation due to non-uniformity of pressurization and heating in a press using an insert piece by providing an elastic body between the insert piece and the heating means. Disclose the molding method used.
  • the cooling time of the mold required for shape stabilization until the product is taken out after heating and compression by the mold when molding a molding material such as prepreg with a press largely depends on the production time (process time, cycle time).
  • a heating means (heater) is embedded in one transfer molding portion and the other transfer molding portion of a pair of molds for imparting a required shape to the molding material, and the heating means (heater) is embedded directly in the molding material. Adjacent to supply thermal energy.
  • the flow path of the cold water as the cooling means is provided on the opposite side of the transfer molding portion of the movable mold and the fixed mold, that is, on the outside of the heating means.
  • the present invention is to solve the above-mentioned problems of the prior art, shorten the cycle time in the production of molded products of fiber reinforced resin materials by pressing, and promote high-cycle mass production.
  • a heating plate provided with cooling means for each of the pair of upper and lower molds and a heating means for supplying heat energy is arranged on the back surface of each mold so as to be detachable. Characterized by points.
  • the present invention includes the following.
  • Equipped with two telescopic members During heating and compression, the mold to which the elastic member is connected and the heating plate are thermally joined. When the upper unit and the lower unit are relatively separated from each other after heating and compression, the fiber-reinforced resin material is sandwiched between the upper mold and the lower mold by the urging of the elastic member.
  • An apparatus for producing a molded product of a fiber reinforced resin material in which a mold to which the elastic member is connected and a heating plate to which the elastic member is connected are separated from each other.
  • An upper unit composed of an upper mold having a cooling means inside and an upper heating plate which is separably arranged on the back surface of the upper mold and has a heating means.
  • Manufacture of a molded product including a lower mold having a cooling means inside and a lower unit composed of a lower heating plate which is separably arranged on the back surface of the lower mold and has a heating means.
  • Material insertion in which a fiber reinforced resin material is inserted on the core of the lower mold between the cavity of the upper mold constituting the upper unit and the core of the lower mold constituting the lower unit.
  • the upper mold and the lower mold are provided by the upper heating plate provided in contact with the back surface of the upper mold constituting the upper unit and the lower heating plate provided in contact with the back surface of the lower mold.
  • a heat process in which the fiber-reinforced resin material is pressed and press-molded while being heated and compressed while heat energy is transferred and supplied to the heat process. After the required heating / compression process has elapsed, the supply of heat energy to the upper mold and the lower mold is stopped, and the cooling medium is supplied to the upper mold and the cooling means of the lower mold.
  • a method for manufacturing a molded product of a fiber-reinforced resin material which comprises a heating plate withdrawal step.
  • the cavity 1a and the core 2a provided in the upper and lower molds in the above configuration may be formed in either the upper or lower mold. Further, the present invention can also be applied to a mold of a method using an insert piece.
  • the heating plate and the die can be separated from each other during cooling, so that the cooling time of the die in press working can be significantly shortened, and high-cycle mass production can be realized.
  • FIG. 1 The schematic diagram explaining the whole structure of the molded article manufacturing apparatus of the fiber reinforced resin material which concerns on this invention.
  • FIG. 7A explaining the process of manufacturing the molded article of the fiber reinforced resin material which concerns on this invention.
  • FIG. 1 is a schematic view illustrating the overall configuration of a molded product manufacturing apparatus (press machine) for a fiber reinforced resin material according to the present invention
  • FIG. 2 is a molded product manufacturing apparatus for a fiber reinforced resin material according to the present invention shown in FIG. It is a top view of.
  • FIG. 3 is an explanatory view of a structure excluding the upper mold of the upper unit constituting the fiber-reinforced resin molded product manufacturing apparatus according to the present invention
  • FIG. 4 is a fiber-reinforced resin molded article manufacturing apparatus according to the present invention. It is explanatory drawing of the structure excluding the upper mold of the lower unit which constitutes.
  • FIG. 3 is an explanatory view of a structure excluding the upper mold of the upper unit constituting the fiber-reinforced resin molded product manufacturing apparatus according to the present invention
  • FIG. 4 is a fiber-reinforced resin molded article manufacturing apparatus according to the present invention. It is explanatory drawing of the structure excluding the upper mold of the lower unit
  • FIG. 1 shows an embodiment of a molded product manufacturing apparatus for a fiber reinforced resin material according to the present invention, which is installed on a base 13 of a press machine and has an upper die 1 having a cavity 1a and a lower die having a core 2a. It is a press molding apparatus using a pair of upper and lower dies composed of two.
  • the female (concave) shape formed on the upper mold 1 side is referred to as the cavity 1a
  • the male (convex) shape formed on the lower mold 2 is referred to as the core 2a.
  • the 1a and the core 2a may be formed on either the upper or lower mold, and are not particularly limited.
  • This molded product manufacturing device is a device suitable for heat-and-cool molding that heats and cools a mold, and is a heating plate that supplies heat energy to a pair of upper and lower molds (upper mold 1 and lower mold 2).
  • Upper heating plate 5, lower heating plate 6) is provided.
  • the upper mold 1 and the lower mold 2 are provided with cooling means (upper cooling means 20, lower cooling means 21), respectively.
  • the heating plates (5, 6) are installed on the back surfaces of the pair of molds (1, 2), and the heating plates (5, 6) are arranged so as to be detachable from the molds (1, 2). There is.
  • the back surface is not the side in contact with the fiber reinforced resin material of the mold, but the surface on the opposite side.
  • the upper and lower heating plates (5, 6) laminated on the rectangular upper and lower molds are laminated.
  • upper unit pins 7a to 7d (7c to 7d are not shown) are vertically formed in the upper pin grooves (pin insertion holes) 8a to 8d formed in the four corners of the upper heating plate 5. It is inserted in a state where it can be moved and the escape is restricted (see FIG. 1).
  • the lower heating plate 6 has the same structure, and the lower unit pins 9a to 9d can move up and down in the lower pin grooves (pin insertion holes) 10a to 10d bored at the four corners. It is inserted with the lateral displacement suppressed.
  • the lower unit pins 9a to 9d can also be installed so that they can be pulled out.
  • the upper mold 1 is composed of the upper cooling means 20 arranged in the upper mold 1 and the upper heating plate 5 arranged in thermal contact with the upper mold 1 so as to be in contact with the upper mold 1. It has an upper unit 100.
  • the lower mold 2 is composed of a lower cooling means 21 arranged in the lower mold 2 and a lower heating plate 6 arranged in thermal contact with the lower mold 2 so as to be in contact with the lower mold 2. It has a unit 200.
  • the "cooling means arranged in the mold” does not mean cooling from the outside of the mold, but the cooling means is arranged inside the mold, and the mold and the fiber reinforced resin material are placed from the inside. A means of cooling.
  • a fiber-reinforced resin material 14a such as a prepreg inserted between the cavity 1a of the upper mold 1 and the core 2a of the lower mold 2 is heated by the upper heating plate 5 and the lower heating plate 6, and the upper mold 1 and the lower Pressed by compressive pressing with the mold 2 to release the contact between the upper heating plate 5 and the lower heating plate 6, and the upper and lower dies are locked so as to maintain the pressed state (intermediate lock).
  • the upper cooling means 20 and the lower cooling means 21 cool the upper mold 1 and the lower mold 2 to obtain a fiber-reinforced resin material as a molded product.
  • the upper unit 100 and the lower unit 200 constituting the molded product manufacturing apparatus of the fiber reinforced resin material in this embodiment will be described with reference to FIGS. 3 and 4. Since the upper unit 100 and the lower unit 200 have the same structure when they are turned upside down, the upper unit 100 will be mainly described.
  • the upper unit 100 is composed of an upper heating plate 5 which is thermally contact-arranged on the back surface opposite to the cavity 1a of the upper mold 1 shown in FIG. Will be done.
  • the lower mold 2 is composed of a lower heating plate 6 which is thermally contact-arranged on the back surface opposite to the core 2a so as to be detachable.
  • the fact that the upper and lower molds (1, 2) and the upper and lower heating plates (5, 6) are "arranged by thermal bonding" means that the upper and lower molds (1, 2) and the upper and lower heating plates (5, 6) are arranged. ) Means that an integral bond is formed so as to conduct good heat conduction.
  • the upper and lower molds (1, 2) are provided with cooling means (21, 22), respectively, and the upper and lower molds (1, 2) are smoothly cooled by the cooling means (21, 22). Can be done.
  • the "thermal contact arrangement" between the upper and lower molds (1, 2) and the heating plates (5, 6) creates the above-mentioned "arrangement by thermal joining" state, but the contact is released. It means that it is configured to be possible.
  • the upper heating plate 5 is integrally brought into contact with the upper die 1 by a slide (not shown) against the upper unit springs 11a to 11d (see FIG. 2 for the positions of 11c and 11d) which are elastic members. Then, the fiber-reinforced resin material 14a placed on the lower unit 200 is lowered so as to be compressed.
  • the upper unit springs 11a to 11d are accommodated in the spring accommodating portion 18 (only the upper heating plate is marked) when the upper heating plate 5 is in pressure contact with the upper mold 1.
  • the upper heating plate 5 is brought into contact with and separated from the upper mold 1 by the upper unit pins 7a to 7d (7c and 7d are not shown) sliding on the upper pin groove 8a having a step for limiting the vertical distance. It has become.
  • the distance between the upper heating plate 5 and the upper mold 1 is D1
  • the distance d1 between the upper surface of the upper unit pins 7a to 7d and the back surface (the surface pushed by the slide) of the upper heating plate 5 is D1 ⁇ d1.
  • 1 mm ⁇ D1 ⁇ 30 mm 5 mm in this embodiment).
  • FIG. 5 is a schematic cross-sectional view illustrating an example of a cooling means constituting the molded product manufacturing apparatus for the fiber reinforced resin material according to the present invention
  • FIG. 6 is a cross-sectional schematic diagram illustrating an example of the cooling means constituting the molded product manufacturing apparatus for the fiber reinforced resin material according to the present invention. It is sectional drawing schematically explaining an example of a heating plate.
  • a serpentine tube (cooling medium flow path) is formed as the upper and lower cooling means 21 and 22 made of a metal bulk material, and in this embodiment, cold water flows through this as a cooling medium.
  • the cooling medium is not particularly limited as long as it can be cooled, and may be, for example, oil.
  • the cooling medium lowers the temperatures of the upper and lower molds (1, 2) by flowing from the cooling medium source / opening / closing means 28 to the recovery means 30 through the cooling medium flow path.
  • the cross section of the upper mold is shown in FIG. 5, the description of the upper unit pins 7a to 7d and the like is omitted for the sake of clarity.
  • a plurality of cartridge heaters (26, 27) are installed on the upper and lower heating plates (5, 6) to heat the heating plates (5, 6). During the period when the heating plates (5, 6) are supplying heat energy to the upper and lower molds (1, 2), the supply of the cooling medium is stopped.
  • the heat generation control and on / off of the cartridge heaters (26, 27) are controlled by a control means or the like.
  • the cartridge heaters (26, 27) use Joule heat as a heat source, but instead, a high-frequency power supply using a high-frequency heating coil or the like can be used. That is, the means for supplying heat energy is not particularly limited, such as a heating device capable of heating. It is also possible to heat by flowing heating oil or heating steam through a serpentine tube similar to the above-mentioned cooling medium flow path.
  • FIG. 7A is a schematic view illustrating a molded product manufacturing process of the fiber reinforced resin material according to the present invention
  • FIG. 7B is a schematic diagram illustrating a molded product manufacturing process following FIG. 7A
  • FIG. 8 is a flow chart illustrating an example of a procedure for manufacturing a molded product of the fiber reinforced resin material according to the present invention.
  • the slide (not shown) is stopped at the standby position, and the upper unit 100 and the lower unit 200 have the cavity 1a of the upper mold 1 and the core 2a of the lower mold 2 as shown in FIG. It is in a separated state.
  • the upper heating plate 5 is installed on the back surface of the upper mold 1 in a state of being separated by extension of the upper unit springs 11a to 11d (11c to 11d are not shown).
  • the lower mold 2 is also installed on the back surface of the lower mold 1 in a state where the lower heating plate 6 is separated by extension of the lower unit springs 12a to 12d (12c to 12d are not shown) which are elastic members. Has been done. In this state, the upper and lower units (100, 200) are on standby (process 1 in FIG. 8 (hereinafter, referred to as P1)).
  • the processing material fiber reinforced resin material 14a
  • the processing material fiber reinforced resin material 14a
  • the slides are moved back one step (ie, the upper and lower units (100, 200) are slightly separated from each other) to cut off the current to the upper and lower heating plates (5, 6). Then, the upper and lower heating plates (5, 6) are separated from the upper and lower molds (1, 2), and the upper and lower cooling means (21, 22) are provided with a cooling medium (for example, cold water at 0 ° C to 10 ° C).
  • a cooling medium for example, cold water at 0 ° C to 10 ° C.
  • the "returning the slide one step” means that the unit spring is extended and the upper and lower heating plates (5, 6) are released from contact with the upper and lower molds (1, 2), but the upper and lower molds are released.
  • (1 and 2) mean a state in which the processed material is held in a sandwiched state. That is, the upper and lower dies (1, 2) still hold the state in which the processed material (fiber reinforced resin material 14a) is sandwiched. At the stage of P5, the processed material (fiber reinforced resin material 14a) is in a sandwiched state, and the molded state is maintained.
  • the cooling to the upper and lower cooling means (21, 22) is performed. Shut off the supply of media and return the slide to its initial position. As a result, the upper and lower dies (1, 2) are opened, and the molded processed product, that is, the fiber reinforced resin material 14 is taken out (demolded) ((d) in FIG. 7B). (P6 in FIG. 8).
  • the cycle time required for heat treatment (heating ⁇ cooling) of the fiber-reinforced resin material processed by heat compression can be significantly shortened, and high-cycle production can be realized.
  • the unit price of the molded product can be reduced, which can contribute to the overall cost reduction.
  • the production of the fiber-reinforced resin molded product according to this embodiment includes the following steps.
  • a fiber reinforced resin material is placed between the cavity 1a of the upper mold 1 constituting the upper unit 100 and the core 2a of the lower mold 2 constituting the lower unit 200 on the core 2a of the lower mold 2.
  • the material insertion process for inserting 14a and (2) The upper mold 1 and the above are formed by the upper heating plate 5 provided in contact with the back surface of the upper mold 1 constituting the upper unit 100 and the lower heating plate 6 provided in contact with the back surface of the lower mold 2.
  • a heat process in which the fiber-reinforced resin material is pressed and pressed while being heated and compressed while heat energy is transferred and supplied to the lower die 2, and a heat process.
  • the fiber reinforced resin material 14a is pressed on the upper die 1 and the lower die 2 before the pressing process.
  • a step of preheating the temperature of 1 or, if necessary, a preheating step of heating slightly higher than the glass transfer point or melting point temperature of the resin impregnated in the fiber-reinforced resin material can be included.
  • the cooling time of the die in press working is significantly shortened, and high-cycle mass production is realized. can.
  • Lower cooling means 22 Upper heating means 23 ... Lower heating means 24, 25 ... Cooling medium flow path (screw tube) 26, 27 ... Heating means (cartridge heater or high frequency power supply) 28 ... Cooling medium source / opening / closing means 30 ... Recovery means 100 ... Upper unit 200 ... Lower unit

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
PCT/JP2021/019942 2020-12-14 2021-05-26 繊維強化樹脂材の成形品製造装置および成形品の製造方法 WO2021172598A1 (ja)

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CN202180003539.0A CN113891794B (zh) 2020-12-14 2021-05-26 纤维强化树脂材料的成型品制造装置以及成型品的制造方法

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JP2020206695A JP6872210B1 (ja) 2020-12-14 2020-12-14 繊維強化樹脂材の成形品製造装置および成形品の製造方法

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CN114434713B (zh) * 2022-01-19 2023-01-03 深圳市华星祥科技有限公司 一种手机钢化膜模具加工装置
CN115139516A (zh) * 2022-06-07 2022-10-04 苏州斯普兰蒂科技股份有限公司 一种3d或异形薄膜线路的全自动成形设备

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