WO2018096905A1 - Procédé de fabrication d'un récipient sous pression - Google Patents

Procédé de fabrication d'un récipient sous pression Download PDF

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Publication number
WO2018096905A1
WO2018096905A1 PCT/JP2017/039731 JP2017039731W WO2018096905A1 WO 2018096905 A1 WO2018096905 A1 WO 2018096905A1 JP 2017039731 W JP2017039731 W JP 2017039731W WO 2018096905 A1 WO2018096905 A1 WO 2018096905A1
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Prior art keywords
fiber bundle
liner
resin
winding
width
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PCT/JP2017/039731
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English (en)
Japanese (ja)
Inventor
永松大介
▼高▲橋潤平
渡辺惟史
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東レ株式会社
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Priority to JP2017565335A priority Critical patent/JPWO2018096905A1/ja
Publication of WO2018096905A1 publication Critical patent/WO2018096905A1/fr

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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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J12/00—Pressure vessels in general
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/04—Protecting sheathings
    • F17C1/06—Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires

Definitions

  • the present invention relates to a method of manufacturing a pressure vessel made of fiber reinforced plastic (hereinafter sometimes referred to as FRP: Fiber Reinforced Plastic).
  • FRP Fiber Reinforced Plastic
  • pressure vessels have been used to hold gases such as nitrogen, oxygen, argon, liquefied petroleum gas, and hydrogen over a long period of time.
  • gases such as nitrogen, oxygen, argon, liquefied petroleum gas, and hydrogen
  • CHG tanks Compressed Hydrogen Gas Tank
  • FRP. Etc. FRP. Etc.
  • FRP pressure vessels are generally manufactured by a filament winding molding (FW molding) method.
  • the FW molding method is a dome in which a plurality of separately prepared fiber bundles and a liquid resin are integrated in a manufacturing process, and then connected to a cylindrical body and openings provided at both ends of the body.
  • This is a molding method in which a fiber bundle is wound around a liner having a mirror-like part at a desired tension and angle.
  • hoop winding for winding the fiber bundle in a direction substantially perpendicular to the major axis direction of the liner and helical winding for winding in a spiral shape are combined.
  • Patent Document 1 states that “a filament that winds a fiber bundle supplied from a supply port of the fiber bundle guide around the outer peripheral surface of the liner by passing the helical head while rotating the liner.
  • the fiber bundle guide is configured so that the width of the supply port can be changed.
  • the fiber bundle guide is wound by changing the width of the fiber bundle according to the portion of the liner. The effect of “can be done” is disclosed.
  • the width of the fiber bundle can be changed depending on the portion of the liner, but nothing is mentioned about a method for avoiding the fiber bundle sliding at the mirror part of the liner.
  • Patent Document 2 states that “the width of a fiber formed by a plurality of parallel resin-impregnated fiber bundles transported from the transport unit and a plurality of parallel resin-impregnated fiber bundles transported from the transport unit is adjusted. And a delivery fiber width adjusting means for sending out, and a sensor for detecting the fiber width sent from the delivery fiber width adjusting means, and according to the fiber width of the resin-impregnated fiber bundle detected by the sensor, A filament winding system characterized by adjusting the width of a delivery fiber sent out from the fiber width adjusting means has been proposed. Here, the effect of “sending prepreg fibers having a stable fiber width continuously” is disclosed. ing.
  • an object of the present invention is to provide a method for manufacturing a pressure vessel in which a fiber bundle does not slip even when the fiber bundle is wound helically around a mirror part of a liner in view of the above-described problems of the prior art.
  • Another object of the present invention is to provide a method of manufacturing a pressure vessel that can improve the quality of the pressure vessel by changing the fiber bundle width between the helical winding and the hoop winding, and as a result, exhibits high strength. There is.
  • the present invention is intended to solve the above-described problem, and the method of manufacturing a pressure vessel according to the present invention is a dome shape that is connected to a cylindrical body and openings provided at both ends of the body.
  • the outer diameter (OD: mm) of the pressure vessel is controlled so as to satisfy the following formula (1). 0.02 ⁇ BwHe / OD ⁇ 0.09 (1)
  • the center position in the width direction of the resin-impregnated fiber bundle does not pass the geodesic line of the mirror part in the helical winding wrap angle range.
  • the helical winding layer which has a helical winding molding pattern is two or more layers. It is to repeat.
  • tensile_strength (T: N) at the time of the said helical winding, and the number (bundle) of fiber bundles satisfy
  • the hoop winding which further has the hoop winding whose winding angle (theta) (degree) of the said resin impregnation fiber bundle in the said trunk
  • the width of the resin-impregnated fiber bundle is controlled by a width regulating mechanism immediately before the resin-impregnated fiber bundle is wound around the liner.
  • the pressure vessel can be formed in a state where the resin-impregnated fiber bundle does not slip, and further, helical winding and hoop winding are possible.
  • the quality of the pressure vessel can be improved, and a pressure vessel exhibiting high strength can be obtained.
  • the present invention continuously impregnates a fiber bundle that is continuously fed into a liner having a cylindrical body and a dome-shaped mirror that is connected to openings provided at both ends of the body.
  • a method for manufacturing a pressure vessel for winding a bundle of resin-impregnated fibers wherein the winding angle ⁇ (°) of the resin-impregnated fiber bundle in the trunk portion is 10 ° ⁇ ⁇ ⁇ 30 ° with respect to the major axis direction of the liner.
  • the wound resin-impregnated fiber bundle width (BwHe: mm) and the outer diameter (OD: mm) of the liner body part are expressed by the formula (1): 0.02 ⁇ BwHe / OD ⁇ 0. 0.09 is a method of manufacturing a pressure vessel that is controlled so as to satisfy .09.
  • FIG. 1 is a schematic configuration diagram illustrating an overall configuration of an example of a molding flow in the method for manufacturing a pressure vessel of the present invention.
  • reference numeral 1 denotes an overall configuration of the pressure vessel forming flow.
  • a creel roller 4 (4a, 4b in the illustrated example) responsible for the process of feeding the fiber bundle 3 from the bobbin 2 and a resin to the fiber bundle 3 are shown.
  • the feed shaft 8, the liner 9, and the fixed shaft 10 that connects the molding apparatus and the liner 9 are arranged in this order.
  • FIG. 1 only one bobbin 2 is illustrated, but the present invention is not limited to this, and a plurality of bobbins 2 can be arranged.
  • the winding angle ⁇ (°) of the resin-impregnated fiber bundle in the trunk portion of the liner 9 with respect to the major axis direction 11 of the liner 9. (Indicated by reference numeral 12 in FIG. 2), in the helical winding range of 10 ° ⁇ ⁇ ⁇ 30 °, the wound resin-impregnated fiber bundle width (BwHe: mm) and the outer diameter (OD: mm) is controlled so as to satisfy the following expression (1).
  • the above configuration of the present invention suppresses slipping of the fiber bundle 3 at the liner mirror portion.
  • the slip of the fiber bundle 3 is a phenomenon in which the fiber bundle width is excessively widened at the liner mirror portion, the fiber bundle is cracked, and a part or all of the fiber bundles are detached from the liner mirror portion.
  • the present invention includes helical winding in which the winding angle ⁇ (°) of the resin-impregnated fiber bundle 3 in the trunk portion is in the range of 10 ° ⁇ ⁇ ⁇ 30 ° with respect to the major axis direction 11 of the liner. Is a configuration requirement.
  • FIG. 2 is a schematic perspective view showing a winding angle according to the present invention. 2 shows a part of a form in which the fiber bundle 3 is wound at a winding angle 12 with respect to the liner major axis direction 11 of the liner 9.
  • the winding angle 12 of the fiber bundle 3 is defined as the angle of the fiber bundle 3 with respect to the major axis direction 11 of the liner body.
  • the winding angle 12 is not a measured value, but a calculated value at the center line 13 of the liner body that can be calculated from the FW winding pattern.
  • the entire liner can be reinforced with the fiber bundle 3 by the fiber bundle 3 including the winding angle 12.
  • the winding angle 12 of the helical winding is preferably 11 to 29 °, more preferably 12 to 28 °, and further preferably 13 to 27 ° with respect to the major axis direction 11 of the liner.
  • the winding angle is less than 10 °, the fiber bundle may not be wound due to the restriction of the shape of the liner 9.
  • tensile_strength which the fiber bundle 3 winds around the liner 9 will become large when a winding angle becomes larger than 30 degrees, the slip of the fiber bundle 3 is suppressed.
  • the width (BwHe: mm) of the wound resin-impregnated fiber bundle and the outer diameter (OD: mm) of the liner body portion are 0.02 ⁇ BwHe / OD ⁇ 0. It is important that it is 09.
  • the slip of the fiber bundle 3 is a phenomenon in which the fiber bundle width is excessively widened in the liner mirror portion, the fiber bundle is cracked, and a part or all of the fiber bundles are detached from the liner mirror portion. Therefore, in order to avoid yarn breakage, the ratio of BwHe to OD becomes important. That is, by appropriately concentrating BwHe with respect to OD, it is possible to suppress the spread of the fiber bundle at the liner mirror portion and to suppress the slip of the fiber bundle at the liner mirror portion.
  • FIG. 3 is a schematic perspective view for explaining the width (BwHe) of the helically wound fiber bundle 3 wound around the liner 9.
  • FIG. 3 shows a part of a form in which the fiber bundle 3 is wound on the liner 9 by helical winding.
  • the fiber bundle width (BwHe) is the fiber bundle width measured at the center line 13 of the liner body.
  • the outer diameter (OD) is an actual measurement value at the center line 13 of the liner body immediately before winding the fiber bundle 3 having a desired winding angle.
  • BwHe / OD In order to make BwHe / OD less than 0.02, it is necessary to make BwHe small. However, in order to reduce BwHe, a process of converging the widened fiber bundle 3 is required, and if the fiber bundle 3 is passed through the process, the fiber orientation of the fiber bundle 3 is disturbed and the strength of the pressure vessel is reduced. become. Moreover, when BwHe / OD becomes larger than 0.09, BwHe becomes large and the yarn becomes slippery at the mirror portion.
  • BwHe / OD is preferably 0.022 ⁇ BwHe / OD ⁇ 0.088, more preferably 0.024 ⁇ BwHe / OD ⁇ 0.086, and further preferably 0.026 ⁇ BwHe / OD ⁇ 0. .084.
  • a geodesic line is a trajectory that connects two points on a curved surface with the shortest distance. Since the trajectory is connected at the shortest distance, the fiber bundle on the geodesic line has no slack, and a constant tension is applied, so that the fiber bundle does not easily slide.
  • FIG. 4 is a schematic perspective view for explaining a fiber bundle passing through the geodesic line of the liner
  • FIG. 5 is a schematic perspective view for explaining a fiber bundle not passing through the geodesic line of the liner.
  • FIG. 4 shows a part of the form in which the fiber bundle 3 is wound on the geodesic line 14
  • FIG. 5 shows a part of the form in which the fiber bundle 3 is not wound on the geodesic line 14.
  • the amount of the fiber bundle 3 wound around the liner 9 is reduced, so that the pressure vessel can be reduced in weight.
  • the tension applied to the fiber bundle 3 decreases.
  • the fiber bundle width is large, the distance between the end of the fiber bundle 3 and the geodesic line 14 becomes long, and the tension applied to the fiber bundle 3 becomes low.
  • the tension applied to the fiber bundle 3 becomes less than necessary, the fiber bundle 3 slips at the mirror portion.
  • the width of the fiber bundle 3 is moderately regulated, so that the distance between the end of the fiber bundle 3 and the geodesic line 14 becomes close. As a result, a necessary tension is applied to the fiber bundle 3, and the fiber bundle 3 does not easily slide at the liner mirror portion.
  • the helical winding layer having the helical winding molding pattern is repeated two or more layers.
  • FIG. 6 is a schematic front view showing a unit (one layer) of a molding pattern that completely covers the liner body, and shows an example of the one-layer molding pattern 15 that completely covers the liner body.
  • the FW molding method when the fiber bundle 3 is wound around the liner 9, the resin in the fiber bundle oozes out to the surface, and the width of the fiber bundle to be wound later is widened by the bleed resin.
  • the fiber bundle 3 may slip and break.
  • the fiber bundle 3 is likely to slip. Therefore, it is necessary to construct a plurality of molding patterns in order to avoid the same molding pattern, and a great deal of time is required for constructing the molding pattern.
  • the BwHe / OD by controlling the BwHe / OD to be 0.02 or more and 0.09 or less, it is possible to suppress the spread of the fiber bundle width at the liner mirror portion and to prevent the fiber bundle 3 from slipping. it can.
  • tensile_strength (T: N) at the time of helical winding and the number of bundles (fiber) of a fiber bundle satisfy following Formula (2). It is. 20 ⁇ T / book ⁇ 60 (2)
  • FIG. 7 is a schematic configuration diagram illustrating fiber bundle winding tension (T) 16 during helical winding in the pressure vessel manufacturing method.
  • the tension (T) 16 is the fiber bundle pull-out tension from the feed eye 8.
  • the present invention is not limited to this, and a plurality of bobbins 2 can be arranged.
  • the range of T / line which is the ratio of the fiber bundle winding tension (T: N) during helical winding to the number of fiber bundles (line) is preferably 20 to 60 N, and more preferably 25 to 55N, more preferably 30 to 50N. In the case of less than 20N, the winding tension becomes low, so the fiber bundle 3 slips at the mirror part. On the other hand, if it exceeds 60 N, the fiber bundle 3 does not slip at the mirror part, but the fiber may be damaged and the strength may be lowered.
  • the resin body-impregnated fiber bundle in the liner body has a hoop winding layer having a hoop winding in which the winding angle ⁇ (°) is 85 ° ⁇ ⁇ ⁇ 90 °, and the fiber bundle width (BwHo: mm)
  • the fiber bundle width BwHo: mm
  • FIG. 8 is a schematic perspective view for explaining the width (BwHo) of a hoop-wrapped fiber bundle wound around a liner.
  • FIG. 8 shows a part of a form in which the fiber bundle 3 is wound around the liner 9 by hoop winding.
  • the fiber bundle width (BwHo) is the measured fiber bundle width at the center line 13 of the liner body.
  • BwHe is converged so that the fiber bundle does not slip at the liner mirror.
  • BwHo / BwHe When BwHo / BwHe is 1 or less, the fiber orientation of the hoop-wrapped fiber bundle 3 may be disturbed and the strength of the pressure vessel may be reduced. In addition, when BwHo / BwHe is 1.4 or more, the hoop winding angle ⁇ becomes small, so that the strength of the pressure vessel may be lowered.
  • BwHo / BwHe is preferably 1.02 ⁇ BwHo / BwHe ⁇ 1.38, more preferably 1.04 ⁇ BwHe / OD ⁇ 1.36, and further preferably 1.06 ⁇ BwHe / OD ⁇ 1. .36.
  • FIG. 9 is a schematic front view for explaining a feed eye provided with a bar or a pin for controlling the width of the resin-impregnated fiber bundle
  • FIG. 10 shows a roller having a groove for controlling the width of the fiber bundle. It is a schematic front view explaining the provided feed eye.
  • FIG. 9 shows a part of the form in which the fiber bundle width regulating bar 17 is installed on the feed eye 8.
  • a desired fiber bundle width can be obtained by changing the interval 18 of the fiber bundle width regulating bar 17.
  • FIG. 10 shows a part of the form in which the groove roller 19 is installed on the feed eye 8.
  • a desired fiber bundle width can be obtained by changing the groove width 20 of the groove roller 19. Further, the fiber bundle width regulating bar 17 and the groove roller 19 can be combined.
  • the fiber bundle and resin used in the present invention will be described.
  • the fiber constituting the fiber bundle used in the present invention include glass fiber, carbon fiber, graphite fiber, aramid fiber, boron fiber, alumina fiber, and silicon carbide fiber. It is also possible to use a mixture of two or more of these reinforcing fibers. In order to obtain a molded product with higher strength, it is preferable to use carbon fibers in the fiber bundle.
  • carbon fibers can be used depending on the application, but since a molded article having high strength can be obtained, tensile in a strand tensile test by the method described in JIS R 7601 (1986). Carbon fibers having a strength of 3 to 8 GPa are preferably used.
  • a liquid resin is preferably used as the resin used in the present invention.
  • an epoxy resin composition containing an epoxy resin and a curing agent is preferable in order to obtain heat resistance and environmental resistance required for the pressure vessel.
  • a curing catalyst can be appropriately added.
  • the pressure vessel produced in the present invention is not limited to hydrogen gas vehicles and natural gas vehicles, but ships and aircraft, and stationary types used by being fixed on the ground, air respirators used by hospitals and firefighters, etc. Is preferably used.
  • the substance stored in the pressure vessel may be a gas such as nitrogen, oxygen, argon, liquefied petroleum gas and hydrogen, or may be a liquefied product of these substances.
  • the measuring method of winding angle, BwHe, OD, and T is as follows.
  • Winding angle was a calculated value at the center line of the liner body. The calculation was calculated from the FW program.
  • the fiber bundle width at the center line of the liner body was measured with a caliper ("Model No. 98764" manufactured by Shinwa Measurement Co., Ltd.) at the beginning, middle, and last of the number of windings of the fiber bundle.
  • the fiber bundle width was an average value of three points.
  • the liner OD at a position of 170 mm from the end of the body portion was measured with pie tape ("Model No. PM1SP" manufactured by Firtec). The measured value was an average of three times.
  • Example 1 A mixture of bisphenol A type epoxy resin and butanediol diglycidyl ether (“ARALDITE” (registered trademark) LY1564 SP CI (manufactured by Huntsman Japan)) and (b) cyclohexylamine (“ARADUR” (registered trademark)) 2954 (manufactured by Huntsman Japan Co., Ltd.) was mixed at a mass ratio of 100: 35 at a temperature of 20 ° C.
  • ARALDITE registered trademark
  • LY1564 SP CI manufactured by Huntsman Japan
  • ARADUR cyclohexylamine
  • the outer diameter of the body portion was 160 mm
  • a liner with a barrel length of 340 mm and a mirror length of 57 mm is installed via a fixed shaft with an outer diameter of 30 mm and a length of 300 mm
  • carbon fiber “Trekka” manufactured by Toray Industries, Inc. as a reinforcing fiber is registered on the liner.
  • T700SC-24K yarn bundles are aligned, and yarns are fed while impregnating the resin containing the resin composition.
  • the calculation of winding angle, BwHe, OD and T was as follows: The above method was followed and the results are shown in Table 1.
  • Example 2 (A) Mixture of bisphenol A type epoxy resin and butanediol diglycidyl ether (“ARALDITE” (registered trademark) LY1564 SP CI (manufactured by Huntsman Japan)) and (b) cyclohexylamine (“ARADUR” (registered trademark) ) 2954 (manufactured by Huntsman Japan Co., Ltd.) was mixed at a mass ratio of 100: 35 at a temperature of 20 ° C. Subsequently, the outer diameter of the body portion was 160 mm in a filament winding molding apparatus.
  • ARALDITE registered trademark
  • LY1564 SP CI manufactured by Huntsman Japan
  • ARADUR cyclohexylamine
  • a liner having a barrel length of 340 mm and a mirror length of 57 mm is installed through a fixed shaft having an outer diameter of 30 mm and a length of 300 mm, and carbon fiber “Torayca” manufactured by Toray Industries, Inc. is used as a reinforcing fiber.
  • carbon fiber “Torayca” manufactured by Toray Industries, Inc. is used as a reinforcing fiber.
  • T700SC-24K Three yarn bundles are aligned, and yarn is fed while impregnating the resin containing the resin composition.
  • a fiber bundle defined as a width of 11.8 mm (BwHe / OD 0.074) at a winding angle of ⁇ 30 ° with respect to the axial direction of the liner was wound 47 times, and the fiber bundle was wound around the entire liner.
  • Example 3 A mixture of bisphenol A type epoxy resin and butanediol diglycidyl ether (“ARALDITE” (registered trademark) LY1564 SP CI (manufactured by Huntsman Japan)) and (b) cyclohexylamine (“ARADUR” (registered trademark)) 2954 (manufactured by Huntsman Japan Co., Ltd.) was mixed at a mass ratio of 100: 35 at a temperature of 20 ° C.
  • ARALDITE registered trademark
  • LY1564 SP CI manufactured by Huntsman Japan
  • ARADUR cyclohexylamine
  • a filament winding molding apparatus was subjected to a barrel outer diameter of 400 mm, A liner with a body length of 500 mm and a mirror part length of 160 mm is installed via a fixed shaft with an outer diameter of 100 mm and a length of 300 mm.
  • T700SC-24K Three yarn bundles are aligned and supplied while impregnating the resin containing the resin composition.
  • the outer diameter of the body portion was 160 mm
  • a liner with a barrel length of 340 mm and a mirror length of 57 mm is installed via a fixed shaft with an outer diameter of 30 mm and a length of 300 mm
  • carbon fiber “Trekka” manufactured by Toray Industries, Inc. as a reinforcing fiber is registered on the liner.
  • T700SC-24K yarn bundles are aligned, and yarns are fed while impregnating the resin containing the resin composition.
  • the fiber bundle was scheduled to be wound, but the fiber bundle slipped at the 23rd reciprocation, and the fiber bundle was detached from the liner and the molding was stopped, and the winding angle, BwHe and OD were calculated according to the above method. Is shown in Table 1.
  • a liner having a diameter of 340 mm and a mirror part length of 57 mm is installed via a fixed shaft having an outer diameter of 30 mm and a length of 300 mm, and carbon fiber “Torayca” (registered trademark) T700SC manufactured by Toray Industries, Inc. is used as the reinforcing fiber.
  • a filament winding molding apparatus was subjected to a barrel outer diameter of 400 mm, A liner with a body length of 500 mm and a mirror part length of 160 mm is installed via a fixed shaft with an outer diameter of 100 mm and a length of 300 mm.
  • T700SC-24K Three yarn bundles are aligned and supplied while impregnating the resin containing the resin composition.
  • Example 4 A mixture of bisphenol A type epoxy resin and butanediol diglycidyl ether (“ARALDITE” (registered trademark) LY1564 SP CI (manufactured by Huntsman Japan)) and (b) cyclohexylamine (“ARADUR” (registered trademark)) 2954 (manufactured by Huntsman Japan Co., Ltd.) was mixed at a mass ratio of 100: 35 at a temperature of 20 ° C.
  • ARALDITE registered trademark
  • LY1564 SP CI manufactured by Huntsman Japan
  • ARADUR cyclohexylamine
  • the outer diameter of the body portion was 160 mm
  • a liner having a barrel length of 340 mm and a mirror length of 57 mm is installed via a fixed shaft having an outer diameter of 30 mm and a length of 300 mm
  • carbon fiber “Torayca” (registered trademark) T700SC manufactured by Toray Industries, Inc. is used as a reinforcing fiber.
  • Three -24K yarn bundles were aligned, and yarns were fed while being impregnated with the resin containing the resin composition.
  • a fiber bundle defined to have a width of 13.5 mm at a winding angle of ⁇ 88.5 ° with respect to the axial direction was wound around the inner barrel so as to have a thickness of 1 mm.
  • a fiber bundle defined to have a width of 11.8 mm at a winding angle of ⁇ 20 ° with respect to the direction was wound to a thickness of 1.2 mm, and finally, ⁇ 88.
  • a fiber bundle having a width of 13.5 mm at a winding angle of 5 ° was wound to a thickness of 0.7 mm.
  • BwHo / BwHe at this time was 1.14. Thereafter, the resin was cured at 100 ° C. for 4 hours to obtain a pressure vessel. The winding angle, BwHe and OD were calculated according to the method described above. Then, the burst test of the pressure vessel was done by the method described in KHKS0121 (2005). The bursting pressure was measured with a pressure transducer (Minbea Corp. model STD-200MP) installed in the liquid feeding pipe. The bursting pressure was 69 MPa. The results are shown in Table 2.
  • the outer diameter of the body portion was 160 mm
  • a liner having a barrel length of 340 mm and a mirror length of 57 mm is installed via a fixed shaft having an outer diameter of 30 mm and a length of 300 mm
  • carbon fiber “Torayca” (registered trademark) T700SC manufactured by Toray Industries, Inc. is used as a reinforcing fiber.
  • Three -24K yarn bundles were aligned, and yarns were fed while being impregnated with the resin containing the resin composition.
  • a fiber bundle having a width of 8.8 mm was wound around the barrel of the liner to a thickness of 1 mm at a winding angle of ⁇ 89.0 ° with respect to the axial direction.
  • a fiber bundle having a width of 12.2 mm was wound at a winding angle of ⁇ 20 ° with respect to the direction to a thickness of 1.2 mm, and finally, ⁇ 89.
  • a fiber bundle having a width of 8.8 mm at a winding angle of 0 ° was wound to a thickness of 0.7 mm.
  • the outer diameter of the body portion was 160 mm
  • a liner having a barrel length of 340 mm and a mirror length of 57 mm is installed via a fixed shaft having an outer diameter of 30 mm and a length of 300 mm
  • carbon fiber “Torayca” (registered trademark) T700SC manufactured by Toray Industries, Inc. is used as a reinforcing fiber.
  • Three -24K yarn bundles were aligned, and yarns were fed while being impregnated with the resin containing the resin composition.
  • a fiber bundle defined to have a width of 20.1 mm was wound around the barrel of the liner at a winding angle of ⁇ 87.7 ° with respect to the axial direction so as to have a thickness of 1 mm.
  • a fiber bundle defined to have a width of 12.2 mm at a winding angle of ⁇ 20 ° with respect to the direction was wound so as to have a thickness of 1.2 mm, and finally, ⁇ 87.
  • a fiber bundle having a width of 20.1 mm at a winding angle of 7 ° was wound to a thickness of 0.7 mm.
  • BwHo / BwHe at this time was 1.65. Thereafter, the resin was cured at 100 ° C. for 4 hours to obtain a pressure vessel. The winding angle, BwHe and OD were calculated according to the method described above. Then, the burst test of the pressure vessel was done by the method described in KHKS0121 (2005). The bursting pressure was measured with a pressure transducer (Minbea Corp. model STD-200MP) installed in the liquid feeding pipe. As a result, the burst pressure was 65 MPa, which was a lower burst pressure than Example 4. The results are shown in Table 2.

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  • Pressure Vessels And Lids Thereof (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un récipient sous pression dans lequel un faisceau de fibres imprégnées de résine (3), dans lequel une résine imprègne continuellement un faisceau de fibres distribué continuellement, est enroulé sur un revêtement interne (9) ayant une section de corps cylindrique et des plaques d'extrémité en forme de dôme reliées à des ouvertures disposées aux deux extrémités de la section de corps. Dans ce procédé de fabrication d'un récipient sous pression, la largeur (BwHe : mm) du faisceau de fibres imprégnées de résine qui est enroulé et le diamètre externe (OD : mm) de la section de corps de revêtement interne sont commandées de manière à satisfaire l'inégalité 0,02 ≤ BwHe/OD ≤ 0,09 dans une plage d'enroulement hélicoïdal, l'angle d'enroulement θ (°) du faisceau de fibres imprégnées de résine (3) dans la section de corps par rapport à la direction d'axe long du revêtement interne (9) étant de 10° ≤ θ ≤ 30°. Même si le faisceau de fibres imprégnées de résine (3) est enroulé sur les plaques d'extrémité du revêtement interne (9), le récipient sous pression peut être formé dans un état dans lequel le faisceau de fibres imprégnées de résine (3) ne glisse pas.
PCT/JP2017/039731 2016-11-24 2017-11-02 Procédé de fabrication d'un récipient sous pression WO2018096905A1 (fr)

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EP3608580A1 (fr) * 2018-08-09 2020-02-12 Toyota Jidosha Kabushiki Kaisha Récipient sous pression et procédé de fabrication correspondant
WO2020043641A1 (fr) * 2018-08-28 2020-03-05 Alzchem Trostberg Gmbh Procédé de fabrication d'un réservoir de gaz sous pression
CN111350938A (zh) * 2018-12-20 2020-06-30 本田技研工业株式会社 压力容器及其制造方法
CN114103077A (zh) * 2021-11-19 2022-03-01 西华大学 一种储氢气瓶及其制备方法
CN115279576A (zh) * 2020-03-26 2022-11-01 东丽株式会社 罐
CN115479210A (zh) * 2021-06-14 2022-12-16 丰田自动车株式会社 压力容器的形变解析装置及压力容器的制造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3608580A1 (fr) * 2018-08-09 2020-02-12 Toyota Jidosha Kabushiki Kaisha Récipient sous pression et procédé de fabrication correspondant
US11421824B2 (en) 2018-08-09 2022-08-23 Toyota Jidosha Kabushiki Kaisha Pressure vessel and manufacturing method thereof
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CN111350938A (zh) * 2018-12-20 2020-06-30 本田技研工业株式会社 压力容器及其制造方法
CN115279576A (zh) * 2020-03-26 2022-11-01 东丽株式会社 罐
CN115479210A (zh) * 2021-06-14 2022-12-16 丰田自动车株式会社 压力容器的形变解析装置及压力容器的制造方法
CN115479210B (zh) * 2021-06-14 2024-04-05 丰田自动车株式会社 压力容器的形变解析装置及压力容器的制造方法
CN114103077A (zh) * 2021-11-19 2022-03-01 西华大学 一种储氢气瓶及其制备方法
CN114103077B (zh) * 2021-11-19 2023-05-09 西华大学 一种储氢气瓶及其制备方法

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