WO2020115867A1 - Dispositif de fixation d'osr et procédé de fixation d'osr - Google Patents

Dispositif de fixation d'osr et procédé de fixation d'osr Download PDF

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Publication number
WO2020115867A1
WO2020115867A1 PCT/JP2018/044940 JP2018044940W WO2020115867A1 WO 2020115867 A1 WO2020115867 A1 WO 2020115867A1 JP 2018044940 W JP2018044940 W JP 2018044940W WO 2020115867 A1 WO2020115867 A1 WO 2020115867A1
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WO
WIPO (PCT)
Prior art keywords
osr
panel
hard layer
pressure pad
adhesive
Prior art date
Application number
PCT/JP2018/044940
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English (en)
Japanese (ja)
Inventor
大野　克巳
航樹 松本
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2020558755A priority Critical patent/JP7101812B2/ja
Priority to PCT/JP2018/044940 priority patent/WO2020115867A1/fr
Publication of WO2020115867A1 publication Critical patent/WO2020115867A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/46—Arrangements or adaptations of devices for control of environment or living conditions
    • B64G1/50—Arrangements or adaptations of devices for control of environment or living conditions for temperature control
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers

Definitions

  • the present invention relates to a technique for attaching an OSR (Optical Solar Reflector) to a panel such as a heat pipe panel and a structure panel used for an artificial satellite.
  • OSR Optical Solar Reflector
  • Panels such as heat pipe panels and structure panels are used for artificial satellites.
  • a large number of OSRs composed of glass and mirrors are attached to these panels with a two-liquid adhesive.
  • the OSR has a role of reflecting heat from the outside due to sunlight and passing heat generated from internal components and the like to the outside.
  • the size of one OSR is, for example, a rectangle of 40 ⁇ 43 mm (millimeter), and the thickness is about 0.08 to 0.15 mm.
  • the OSR is affixed at regular intervals to prevent cracking due to thermal expansion.
  • the thickness of the adhesive is kept constant, so that the OSR is attached to the panel and pressed with a constant force from above. At this time, it is necessary to prevent bubbles from remaining in the adhesive.
  • Hundreds of OSRs are attached to one panel, and a plurality of OSR-attached panels are used for one satellite. As described in Patent Document 1, the OSR sticking operation is all performed manually, which requires a huge amount of time and man-hours.
  • the procedure for pasting the OSR is as follows. First, the mixed and stirred adhesive is applied to the panel surface. In the OSR, a state where a plurality of OSRs are arranged at regular intervals is treated as one module, and the operation of attaching to the panel is performed for each module. During the attaching operation, the OSR is pressed from above. At this time, pressure is applied while moving a dedicated roller so as to push air bubbles into the adhesive.
  • the OSR When the OSR is pasted on the panel as in the conventional case, the OSR is pressed so that bubbles are pushed out by the rollers in the pasting work. Therefore, a large amount of the adhesive may squeeze outside the OSR. Further, the OSR may be largely displaced from the designated position by moving the roller. Further, since the OSR is composed of glass and a mirror, it breaks immediately with a small impact. When one OSR is cracked, the OSR around the crack must be peeled off and repaired, which is one of the causes of increasing the number of steps.
  • the purpose of this invention is to make it difficult for the OSR to shift from the specified position and to prevent bubbles from remaining.
  • the OSR attachment device is An OSR sticking device for sticking an OSR (Optical Solar Reflector) to a panel of an artificial satellite, A hard layer formed of an elastic body for contacting the OSR and pressing the OSR against the panel; and a soft layer formed of an elastic body laminated on the hard layer and more easily deformed than the hard layer.
  • a pressure pad having.
  • the pressure pad has a hard layer formed of an elastic body and a soft layer laminated on the hard layer and formed of an elastic body that is more easily deformed than the hard layer.
  • FIG. 1 is a configuration diagram of an OSR attachment device 10 according to Embodiment 1.
  • FIG. 3 is a perspective view of the pressure pad 11 according to the first embodiment.
  • FIG. FIG. 3 is a front view of the hard layer 21 according to the first embodiment (a view from the arrow X in FIG. 2 ).
  • FIG. 3 is a perspective view of the pressure pad 11 in a state where the OSR 30 according to the first embodiment is adsorbed.
  • 3 is a flowchart showing the operation of the OSR pasting device 10 according to the first embodiment.
  • FIG. 3 is a diagram showing a state where the OSR 30 according to the first embodiment is pressed against a panel 31.
  • FIG. 3 is a diagram showing a state where the OSR 30 according to the first embodiment is pressed against a panel 31.
  • FIG. 3 is a diagram showing a state where the OSR 30 according to the first embodiment is pressed against a panel 31.
  • 7A and 7B are explanatory diagrams of the deformation amount of the hard layer 21 according to the first embodiment (cross-sectional view taken along the line A-A′ in FIG. 6 ).
  • FIG. 6 is an explanatory view when the length and width of the contact surface 24 according to the first embodiment is made slightly smaller than the length and width of the OSR 30.
  • Embodiment 1 ***Description of structure*** The configuration of the OSR sticking apparatus 10 according to the first embodiment will be described with reference to FIG.
  • the OSR attachment device 10 includes a pressure pad 11, a coating device 12, a moving device 13, a pedestal 14, and an OSR magazine 15.
  • the pressure pad 11 is a device for contacting the OSR 30 and pressing the OSR 30 against the panel 31.
  • the coating device 12 is a device that applies an adhesive 32 for attaching the OSR 30 to the panel 31.
  • the coating device 12 has a dispenser and a mixer.
  • the coating device 12 discharges a special two-liquid silicone adhesive 32 for space use from a dispenser, mixes it with a mixer, and then coats it on the panel 31.
  • the moving device 13 is a device that moves the pressure pad 11 and the coating device 12.
  • the moving device 13 has an X drive shaft 16, a Y drive shaft 17, a Z drive shaft 18, and a coating drive shaft 19.
  • the X drive shaft 16 is a device that moves the pressure pad 11 and the coating device 12 in the X direction.
  • the Y drive shaft 17 is a device that moves the pressure pad 11 and the coating device 12 in the Y direction.
  • the Z drive shaft 18 is a device that moves the pressure pad 11 in the Z direction.
  • the coating drive shaft 19 is a device that moves the coating device 12 in the Z direction.
  • the mount 14 is a mount on which the panel 31 is mounted and fixed.
  • the OSR magazine 15 is a stand on which the OSR 30 before being attached is installed.
  • the configuration of the pressure pad 11 according to the first embodiment will be described with reference to FIGS. 2 to 4.
  • the pressure pad 11 is configured by laminating three layers of a hard layer 21, a soft layer 22, and a base portion 23.
  • the pressure pad 11 has a rectangular parallelepiped shape.
  • the pressure pad 11 is provided at four corners with suction holes 26 penetrating from the contact surface 24 of the hard layer 21 to the pressure surface 25 of the base portion 23.
  • the hard layer 21 is formed of an elastic body.
  • the hard layer 21 is made of a hard vinyl chloride resin having a thickness of 1 to 6 mm.
  • the contact surface 24 of the hard layer 21 is 40 ⁇ 43 mm, which is the same as the OSR 30, or the vertical and horizontal sizes are a little smaller than the OSR 30, for example, about 1 mm.
  • the soft layer 22 is a layer laminated on the hard layer 21.
  • the soft layer 22 is formed of an elastic body that is more easily deformed than the hard layer 21.
  • the soft layer 22 is formed of a chloroprene closed-cell sponge having a thickness of 3 to 5 mm.
  • the boundary between the hard layer 21 and the soft layer 22 is bonded with an organic adhesive so as not to impair the flexibility of the hard layer 21 and the soft layer 22.
  • the base portion 23 is a layer laminated on the soft layer 22.
  • the base portion 23 is formed of a structural material such as aluminum that is difficult to deform.
  • the operation of the OSR attaching apparatus 10 according to the first embodiment will be described with reference to FIGS. 5 to 9.
  • the operation of the OSR pasting device 10 according to the first embodiment corresponds to the OSR pasting method according to the first embodiment.
  • Step S1 of FIG. 5 coating process
  • the moving device 13 uses the X drive shaft 16 and the Y drive shaft 17 to move the coating device 12 onto the attachment area of the OSR 30 on the panel 31, and uses the Z drive shaft 18 to move the coating device 12 to the panel 31.
  • the coating device 12 discharges the two-liquid silicone adhesive 32 from the dispenser, mixes it by the mixer, and then coats it on the OSR 30 attachment area of the panel 31.
  • the coating device 12 coats the adhesive 32 in a plurality of linear shapes. Specifically, the coating device 12 radially applies the linear adhesive 32 from the central portion of the attachment area of the OSR 30 on the panel 31 toward the end portion of the attachment area.
  • the interval between the linear adhesives 32 that are adjacent to each other gradually increases from the center of the attachment area toward the end of the attachment area.
  • the coating device 12 may apply a large amount of the adhesive 32 to a position closer to the end of the attachment area than to the center of the attachment area.
  • the coating device 12 may coat the adhesive 32 more as it gets closer to the end of the attachment area.
  • the gap between the adhesives 32 is wider at the ends of the attachment area. Therefore, it is possible to make the film thickness of the adhesive 32 more uniform by applying a larger amount of the adhesive 32 closer to the end of the pasting area.
  • the coating device 12 coated the adhesive 32 on the area where the OSR 30 was attached on the panel 31.
  • the coating device 12 may coat the OSR 30 with the adhesive 32.
  • the coating device 12 may apply the linear adhesive 32 radially from the central portion of the OSR 30 toward the end portion of the OSR 30.
  • the adhesive 32 may be applied more in the position closer to the end of the OSR 30 than in the center of the OSR 30.
  • the coating device 12 may coat the adhesive 32 more as it gets closer to the end of the OSR 30.
  • Step S2 of FIG. 5 adsorption process
  • the moving device 13 moves the pressure pad 11 onto the OSR 30 installed in the OSR magazine 15 by using the X drive shaft 16 and the Y drive shaft 17, and moves the pressure pad 11 by using the Z drive shaft 18. Move closer to OSR30. Then, the pressure pad 11 sucks the OSR 30 on the contact surface 24 by vacuum suction using the suction hole 26.
  • Step S3 of FIG. 5 paste processing
  • the moving device 13 moves the pressure pad 11 onto the attachment area of the OSR 30 on the panel 31 by using the X drive shaft 16 and the Y drive shaft 17 in a state where the OSR 30 is attracted to the contact surface 24.
  • the moving device 13 uses the Z drive shaft 18 to gradually bring the pressure pad 11 closer to the panel 31, and press the OSR 30 adsorbed on the contact surface 24 against the attachment area of the panel 31.
  • the moving device 13 applies pressure from the pressurizing surface 25 side of the base portion 23 and presses the OSR 30 adsorbed on the contact surface 24 against the attachment area of the panel 31.
  • the OSR 30 is attached to the attachment area of the panel 31.
  • the OSR 30 needs to pass the heat generated in the internal circuit in order to radiate the heat generated in the internal circuit of the artificial satellite or the like into the vacuum. Therefore, it is necessary to prevent the adhesive 32 from containing bubbles when the OSR 30 is attached.
  • the adhesive 32 contains air bubbles.
  • Case 1 is a case where the adhesive 32 contains bubbles.
  • Case 2 is a case where air is surrounded by the adhesive 32 between the OSR 30 and the panel 31 when the OSR 30 is attached. The case 1 can be avoided by defoaming the adhesive 32.
  • Case 2 has two causes. Cause 1 is that when the adhesive 32 spreads between the OSR 30 and the panel 31, the flow of the adhesive 32 causes the air outlet to be blocked.
  • Cause 2 is that the OSR 30 is not sufficiently adhered to the panel 31 and an air layer remains because the surface of the panel 31 is distorted.
  • a linear adhesive 32 is applied radially from the center of the attachment area of the OSR 30 on the panel 31 toward the end of the attachment area, and the OSR 30 is pressed against the panel 31 by the pressure pad 11. Avoided by being. Specifically, since the linear adhesive 32 is applied radially, the OSR 30 is pressed against the panel 31 by the pressure pad 11 and the adhesive 32 spreads in the plane direction. Adjacent adhesives 32 that are adjacent to each other gradually close from the center toward the end of the attachment area. Therefore, air is gradually expelled from the center of the sticking area toward the end of the sticking area, and the air outlet is prevented from being blocked.
  • the cause 2 is avoided by the pressure pad 11 having the hard layer 21 and the soft layer 22.
  • the soft layer 22 is deformed according to the strain of the surface of the panel 31.
  • the OSR 30 is pressed against the panel 31 over the entire contact surface 24 of the hard layer 21. Therefore, the entire OSR 30 is brought into close contact with the panel 31, and an air layer is prevented from remaining.
  • the hard layer 21 has a width Sa between the adjacent adhesives 32 at the end of the OSR 30.
  • the material and the thickness are such that they cannot be deformed below the first reference value, and the width So of the OSR 30 is deformed above the second reference value which is larger than the first reference value.
  • the first reference value is an extremely small value that is smaller than the height h of the adhesive.
  • the second reference value is a value of about 0.1 to 1 mm. That is, the hard layer 21 is a material and a thickness that hardly deforms in the width Sa between the adhesives 32 adjacent to each other at the end of the OSR 30 and deforms about 0.1 to 1 mm in the width So of the OSR 30. This makes it possible to achieve both the followability to the distortion of the panel 31 and the ease of spreading the adhesive 32.
  • the spacing between the radially applied linear adhesives 32 is wide, the spacing between the OSR 30 and the panel 31 tends to be narrow. On the other hand, if the interval is narrow, the protrusion of the linear adhesive 32 in the surface direction of the panel 31 will block the air outlet and contain air bubbles. In consideration of these balances, it is desirable that the spacing Sa between the adjacent adhesives 32 at the end of the OSR 30 is about 10 mm. When the spacing Sa of the adhesive 32 is about 10 mm, the width Sa between the adjacent adhesives 32 at the end of the OSR 30 is hardly deformed, and the width So of the OSR 30 is deformed by about 0.1 to 1 mm.
  • the material and thickness of 21 are the hard vinyl chloride resin and the thickness of 1 to 6 mm described in the configuration of the hard layer 21.
  • the OSR application device 10 presses the OSR 30 against the panel 31 by the pressure pad 11 having the hard layer 21 and the soft layer 22.
  • the soft layer 22 is deformed according to the distortion of the surface of the panel 31, and the OSR 30 is pressed against the panel 31 by the entire contact surface 24 of the hard layer 21. Therefore, the entire OSR 30 is brought into close contact with the panel 31, and an air layer is prevented from remaining.
  • the OSR sticking apparatus 10 radially applies the linear adhesive 32 from the central portion of the sticking area of the OSR 30 on the panel 31 toward the end of the sticking area.
  • the space between the adjacent adhesives 32 gradually closes from the center of the attachment area toward the end of the attachment area. Therefore, air is gradually expelled from the center of the sticking area toward the end of the sticking area, and the air outlet is prevented from being blocked.
  • the OSR 30 is pressed against the panel 31 from directly above by the pressure pad 11, and the OSR 30 is stuck to the panel 31. Therefore, unlike the case where the OSR 30 is attached to the panel 31 using a roller, the OSR 30 is hard to be displaced from the designated position.
  • the contact surface 24 is 40 ⁇ 43 mm, which is the same as the OSR 30, or the height and width are slightly smaller than the OSR 30. Therefore, even if the adhesive 32 protrudes outside the OSR 30, the adhesive 32 does not adhere to the contact surface 24.
  • the contact surface 24 when the contact surface 24 is slightly smaller than the OSR 30 in the vertical and horizontal directions, the end portion of the OSR 30 can be deformed in the direction away from the panel 31.
  • the adhesive 32 spreads in the direction perpendicular to the surface of the panel 31 at the end of the OSR 30, and the adhesive 32 does not easily stick out of the OSR 30.
  • the contact surface 24 is slightly smaller in the vertical and horizontal directions than the OSR 30, if the adhesive 32 is sufficiently applied, the deformation force of the OSR 30 and the adhesive when the pressure pad 11 is pressed.
  • the viscosity of 32 allows the adhesive 32 to reach the edges of the OSR 30 and properly bond the OSR 30.
  • the OSR attachment device 10 includes one pressure pad 11.
  • the OSR application device 10 may include a plurality of pressure pads 11 in which at least one of the material and the thickness of the hard layer 21 is different.
  • the OSR attachment device 10 sequentially presses the OSR 30 against the panel 31 using the plurality of pressure pads 11. That is, the OSR 30 is adsorbed by using a certain pressure pad 11 and pressed against the attachment area of the panel 31, and the OSR 30 is attached to the panel 31. After that, the OSR 30 attached to the panel 31 is pressed against the panel 31 by using another pressure pad 11. This makes it possible to easily achieve both the followability to the distortion of the panel 31 and the ease of spreading the adhesive 32.
  • the X drive shaft 16 and the Y drive shaft 17 common to the pressure pad 11 and the coating device 12 are provided.
  • separate X drive shaft 16 and Y drive shaft 17 may be provided for the pressure pad 11 and the coating device 12, respectively.
  • the pressure pad 11 and the coating device 12 can be operated independently, and the sticking work can be performed in a short time.
  • the hard layer 21 is made of hard vinyl chloride resin.
  • the hard vinyl chloride resin was selected in consideration of manufacturing cost and resistance to a chemical liquid that may be used.
  • other materials such as other resins, metals, and ceramics may be used as long as they are materials capable of achieving both the followability to the strain of the panel 31 and the spreadability of the adhesive 32.
  • the material of the soft layer 22 is chloroprene closed-cell sponge.
  • another material such as another sponge may be used as long as it is a material that does not prevent vacuum suction and can cope with the distortion of the panel 31.
  • a metal spring matrix structure in which plastic and metal springs that can be manufactured by a three-dimensional printer are arranged on a matrix may be used.
  • the moving device 13 has a configuration of three orthogonal axes including the X drive shaft 16, the Y drive shaft 17, and the Z drive shaft 18.
  • the moving device 13 may be configured by a robot such as a 6-axis vertical articulated robot.
  • ⁇ Modification 6> In the first embodiment, vacuum adsorption is used to adsorb the OSR 30. However, as long as the OSR 30 can be gripped and the OSR 30 can be removed after the OSR 30 is attached, methods such as electrostatic attraction and adhesion may be used.
  • the OSR 30 is adhered to the panel 31 using the adhesive 32.
  • the OSR 30 may be adhered to the panel 31 using a sheet-shaped adhesive such as a double-sided tape. Even in this case, the OSR 30 can be pressed along the panel 31 and the adhesiveness can be improved. However, removal of air bubbles can be difficult.
  • OSR sticking device 11 pressure pad, 12 coating device, 13 moving device, 14 mount, 15 OSR magazine, 16 X drive shaft, 17 Y drive shaft, 18 Z drive shaft, 19 coating drive shaft, 21 hard layer, 22 soft layer, 23 base, 24 contact surface, 25 pressure surface, 26 adsorption hole, 30 OSR, 31 panel, 32 adhesive.

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  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Environmental Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Remote Sensing (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

La présente invention concerne un dispositif de fixation d'OSR qui fixe un réflecteur solaire optique (OSR) (30) à un panneau (31) tel qu'un panneau de caloduc ou un panneau structural pour un satellite artificiel à l'aide d'un coussin de compression (11) ayant une couche dure (21) formée d'un corps élastique et une couche souple (22) stratifiée sur la couche dure (21) et formée d'un corps élastique qui se déforme plus facilement que la couche dure (21) en mettant en contact la couche dure (21) avec l'OSR (30) et en pressant l'OSR (30) contre le panneau (31).
PCT/JP2018/044940 2018-12-06 2018-12-06 Dispositif de fixation d'osr et procédé de fixation d'osr WO2020115867A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2020558755A JP7101812B2 (ja) 2018-12-06 2018-12-06 Ｏｓｒ貼り付け装置及びｏｓｒ貼り付け方法
PCT/JP2018/044940 WO2020115867A1 (fr) 2018-12-06 2018-12-06 Dispositif de fixation d'osr et procédé de fixation d'osr

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/044940 WO2020115867A1 (fr) 2018-12-06 2018-12-06 Dispositif de fixation d'osr et procédé de fixation d'osr

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WO2020115867A1 true WO2020115867A1 (fr) 2020-06-11

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000010061A (ja) * 1998-06-22 2000-01-14 Sony Corp 偏光板貼り付け装置
JP2001115102A (ja) * 1999-10-18 2001-04-24 Mitsubishi Electric Corp 平板の接着方法および接着工具
WO2003009362A1 (fr) * 2001-07-19 2003-01-30 Nikon Corporation Element de polissage, dispositif de polissage mecano-chimique (cmp) et procede de production de dispositif a semi-conducteur
JP2010269901A (ja) * 2009-05-22 2010-12-02 Alpha- Design Kk 移載装置
JP2012153424A (ja) * 2011-01-28 2012-08-16 Jfe Steel Corp ラベル貼付パッドおよびラベル貼付装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000010061A (ja) * 1998-06-22 2000-01-14 Sony Corp 偏光板貼り付け装置
JP2001115102A (ja) * 1999-10-18 2001-04-24 Mitsubishi Electric Corp 平板の接着方法および接着工具
WO2003009362A1 (fr) * 2001-07-19 2003-01-30 Nikon Corporation Element de polissage, dispositif de polissage mecano-chimique (cmp) et procede de production de dispositif a semi-conducteur
JP2010269901A (ja) * 2009-05-22 2010-12-02 Alpha- Design Kk 移載装置
JP2012153424A (ja) * 2011-01-28 2012-08-16 Jfe Steel Corp ラベル貼付パッドおよびラベル貼付装置

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JP7101812B2 (ja) 2022-07-15

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