WO2014124924A1 - Process and arrangement for making a reinforced structural member - Google Patents
Process and arrangement for making a reinforced structural member Download PDFInfo
- Publication number
- WO2014124924A1 WO2014124924A1 PCT/EP2014/052607 EP2014052607W WO2014124924A1 WO 2014124924 A1 WO2014124924 A1 WO 2014124924A1 EP 2014052607 W EP2014052607 W EP 2014052607W WO 2014124924 A1 WO2014124924 A1 WO 2014124924A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- adhesive
- robot
- reinforcing carrier
- structural element
- structural member
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 49
- 230000008569 process Effects 0.000 title claims abstract description 46
- 239000000853 adhesive Substances 0.000 claims abstract description 134
- 230000001070 adhesive effect Effects 0.000 claims abstract description 134
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 100
- 239000011324 bead Substances 0.000 claims abstract description 68
- 238000003825 pressing Methods 0.000 claims description 23
- 238000001746 injection moulding Methods 0.000 claims description 13
- 238000003860 storage Methods 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 11
- 239000000969 carrier Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 5
- 230000003578 releasing effect Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000001723 curing Methods 0.000 description 10
- 230000002787 reinforcement Effects 0.000 description 8
- 239000012790 adhesive layer Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012432 intermediate storage Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/524—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by applying the adhesive from an outlet device in contact with, or almost in contact with, the surface of the part to be joined
-
- 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
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1656—Programme controls characterised by programming, planning systems for manipulators
- B25J9/1664—Programme controls characterised by programming, planning systems for manipulators characterised by motion, path, trajectory planning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1679—Programme controls characterised by the tasks executed
- B25J9/1687—Assembly, peg and hole, palletising, straight line, weaving pattern movement
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
- B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
- B29C65/4835—Heat curing adhesives
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7841—Holding or clamping means for handling purposes
-
- 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
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/301—Three-dimensional joints, i.e. the joined area being substantially non-flat
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/53—Joining single elements to tubular articles, hollow articles or bars
- B29C66/532—Joining single elements to the wall of tubular articles, hollow articles or bars
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/61—Joining from or joining on the inside
-
- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/65—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles with a relative motion between the article and the welding tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3055—Cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3067—Ships
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3076—Aircrafts
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/20—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself
- C09J2301/204—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive itself the adhesive coating being discontinuous
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S901/00—Robots
- Y10S901/02—Arm motion controller
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
Definitions
- the invention is related to a process for making a reinforced structural member, in particular forming part of an automobile or other vehicle or an aeroplane or a ship, the reinforced structural member comprising an original structural member. It also relates to an arrangement for carrying out such process.
- Reinforcements provide structural support without a significant increase in cost and weight.
- reinforcements may be used in automobiles to reinforce cavities formed by various parts of the automobile such as a pillar, bumper, etc.
- the reinforcement may have features that generally match the inner surfaces of the cavity in which the reinforcement is placed or a surface of a member to which it is attached.
- Reinforcements may be provided with an adhesive or bonding material that secures the reinforcement within a given cavity or to the given structural member. Generally, such materials are provided on outer surfaces of the reinforcement in order to engage corresponding surfaces of the structural member to be reinforced. Reinforcements or systems of this type, respectively, are subject of several patents or patent applications of the applicant, e. g. EP 1 946 995 A1 , US 2009/0220737 A1 , EP 2 159 109 A1 or EP 2 251 250 A1 .
- DE 10 2008 039 869 A1 , US 2009/0038361 A1 und JP 2006 341291 describe processes for combining two structural members, wherein a plurality of machines and robots are used. In essence, the processes of DE 10 2008 039 869 A1 , US 2009/0038361 A1 und JP 2006 341291 are regarded as being comparatively complex which involves an increased processing time and a low efficiency.
- One of the key aspects of the present invention lies in that the robot is operated so that the reinforcing carrier is pressed into the structural member in order to bond these two parts.
- the same robot is used within the step of applying the predetermined amount of adhesive. This means, the process is comparatively simple and time-efficient. For example in document DE 10 2008 039 869 A1 , the pressing of different components is carried out, after the component being handled by the robot is removed from the robot.
- the reinforcing carrier is moved by the robot along the adhesive dispense unit. This step may be executed simultaneously with a step of applying the at least one adhesive bead (at least in parts at the same time).
- the robot holds the reinforcing carrier whilst applying the adhesive bead, on the one hand, and whilst the step of pressing the reinforcing carrier into the (original) structural member, on the other hand.
- the reinforcing carrier is pressed into the (original) structural member, such that the (at least one) adhesive bead connects to predetermined locations on the contact surface of the structural member.
- the adhesive bead subsequently spreads to form an adhesive layer, wherein the pressing is performed until the adhesive layer creates a mechanically sufficiently stable connection.
- a bonding between the (original) structural member and the reinforcing carrier is realized (exclusively) via the pressing step.
- a (sufficiently stable) connection is not based on a thermal treatment of the reinforcing carrier, the original structural member and/or the adhesive. Thereby, the robot is efficiently used to connect the original structural member with the reinforcing carrier.
- a bonding between original structural member and reinforcing carrier is such that the robot holding the reinforcing carrier is capable of picking up the original structural member via the reinforcing carrier.
- the robot is also efficiently used to handle the structural member after connection of the original structural member with the reinforcing carrier.
- the robot (or any other apparatus) does not even need to directly contact the original structural member when carrying the original structural member. Such carrying may be executed (indirectly) via the reinforcing carrier (in particular via the adhesive bead/beads).
- the invention uses an adhesive (and not a sealant, as e.g. disclosed in the prior art) in order to securely connect the reinforcing carrier with the original structural member.
- the process disclosed herein comprises bringing the reinforcing carrier, by correspondingly operating the robot, close to an adhesive dispense unit and moving the carrier, by
- the robot and the adhesive dispense unit are controlled such that the adhesive bead or beads or adhesive plots are formed in a predetermined shape.
- the process comprises controlling the robot and the dispense unit such that a constant amount of adhesive is applied along the predetermined path.
- the robot and the dispense unit are controlled such that a variable amount of adhesive is applied along the predetermined path, such that the cross-section of the respective adhesive bead and/or adhesive plots varies according to a pre-defined geometric configuration of the adhesive bead and/or plurality of adhesive plots.
- an adhesive dispense unit with a fixed nozzle connected to a dosing unit is used such that the locations on the reinforcing carrier or structural elements, where adhesive is applied, are exclusively controlled by the movements of the robot.
- a basically static dispenser apparatus of a commercially available type can be used without significant modifications and, more specifically, without any specific drive and drive control means, thus contributing to low manufacturing cost.
- the process comprises providing the reinforcing carrier and/or the first structural element and/or the second structural element with a manipulation portion for robot manipulation.
- a robot with standardized claws or other means for gripping parts to be moved can be used, without necessitating costly specific robot components for different reinforcer configuration or assembling environments.
- Such manipulation or handling portion can be made within a mold injection step or step of foaming or pressing the reinforcing carrier, or it can be mounted to the carrier body in a subsequent step.
- the reinforcing carrier is made by injection molding in an injection molding machine, and in particular the robot picks the reinforcing carrier at the output of the injection molding machine.
- the reinforcing carrier can be made of plastic in a different process, e. g. an extrusion process, or a reinforcing carrier made from a different material can be used, e. g. made from compressed natural fibres or wood.
- the structural member is a multi-part member which comprises at least a first and second structural element. In such case, the process comprises moving the reinforcing carrier and the first structural element adhering thereto, by correspondingly operating the robot, to an assembling position.
- the robot is operated such that the first structural element provided with the adhesive bead or beads and/or adhesive plots is pressed against the second structural element which is waiting at the assembling position or operating the robot such that the first structural element is released at the assembling position, the robot is moved to a storage position where the second structural element waits, picking the second structural element and transferring it to the assembling position and pressing it against the first structural element provided with the adhesive bead or beads and/or adhesive plots.
- the pressing of the first structural element against the second structural element or vice versa is carried out such that the adhesive bead or beads or adhesive plots contact a surface of the second structural element in an uncured state and adhere to the second structural element.
- the process steps are correspondingly adapted, in light of the intended total figuration of the structural member and, more specifically, its design with respect to the provision of adhesive bonds or mechanical connections between the several elements.
- the process includes the step of applying a hot curing adhesive, preferably selected from the SikaPower® product family, to the reinforcing carrier, to form an adhesive bead and/or a plurality of adhesive plots on the reinforcing carrier, and the process is interrupted and resumed at a later time.
- a hot curing adhesive preferably selected from the SikaPower® product family
- the process is interrupted and resumed at a later time.
- the assembled reinforced structural member is transferred to a curing location, in particular to a coat and paint oven, and kept therein for a predetermined period, for curing the adhesive bead or beads and/or adhesive plots. In principle, this transfer to the curing location can also be made immediately subsequent to the assembling step.
- the SikaPower®-series typically comprise crash-resistant heat-curing one- component epoxy resin adhesives comprising a toughening agent based on a blocked polyurethane-prepolymer.
- Such adhesives which are herewith incorporated by reference are for example known from EP1916269,
- EP1916272 EP1916270, EP2084200 and EP1972646.
- a humidity-curing adhesive e.g. selected from the SikaFlex® or SikaForce® product family, is applied to the reinforcing carrier immediately before assembling the reinforced structure member, without an unduly long delay between the adhesive application step and the assembling step.
- a humidity-curing adhesive e.g. selected from the SikaFlex® or SikaForce® product family
- Exemplary embodiments of the arrangement (i.e. system) according to the invention can be derived from the above-specified aspect of the process in a straightforward manner. Insofar, a repeated description appears to be avoidable.
- a storage adapted for storing reinforcing carriers or an injection molding machine for providing reinforcing carriers in-line wherein the robot is arranged and operable to pick the reinforcing carrier from the storage or the output of the injection molding machine.
- the adhesive dispense unit comprises a fixed nozzle.
- This fixed nozzle is preferably adapted to discharge a variable amount of adhesive per time, although this is not a necessary feature of the arrangement.
- One of the advantages of the invention is that only one robot and one adhesive dispense unit are needed to perform the process. As a result thereof no further acquisition costs for additional machines or robots accumulate and less repair costs and downtime are to be expected.
- Another advantage of the robot holding the reinforcing carrier during the whole process is that no handover of the reinforcing carrier to other machines is required. In particular during the application of the adhesive on the reinforcing carrier, the robot does not need to transfer the reinforcing carrier to the dispense unit. Thus, the programming of the robot and the dispense unit will be simpler.
- the pressing step may be executed in such a way that a
- the pressing step can also be described as setting or inserting the reinforcing carrier into the original structural member, wherein preferably the at least one adhesive is spread or squeezed in between to form at least one adhesive layer.
- the pressing step is performed until the at least one adhesive layer creates a mechanically sufficiently stable connection.
- the connection may be made as soon as the adhesive is spread, forms a layer and provides sufficient adhesion between the layer and both the original structural member and the reinforcing carrier.
- the cohesion of the adhesive allows picking up the original structural member adhering to the reinforcing carrier by picking up the reinforcing carrier.
- the adhesive is preferably configured to provide sufficient adhesive force in order to stick to said structural member and carrier and sufficient cohesive forces to ensure inner solidity. No or at least no complete curing of the adhesive layer is required at the pressing step.
- the mechanically sufficiently stable connection is preferably assumed to be established in the pressing step of the process according to at least one predetermined parameter (e.g. the robot moves and presses the reinforcing carrier into the original structural member).
- a predetermined parameter e.g. the robot moves and presses the reinforcing carrier into the original structural member.
- FIG. 1 illustrates, in a front view, a reinforcing carrier according to an embodiment of the invention, illustrates the reinforcing carrier of Fig. 1 during the step of applying an adhesive bead thereto by means of an adhesive dispense unit, illustrates the reinforcing carrier of Fig. 1 hold on a robot hand, in the step of transferring it between two work stations,
- Fig. 4A and 4B show, in side elevation views, the assembling of an original structural member and a reinforcing carrier to form a reinforced structural member
- Fig. 5 is a schematic block diagram of an exemplary arrangement according to the invention.
- Fig. 1 shows a reinforcing carrier 1 which has a lengthy body which is made from plastic and trough-shaped and comprises a first and second adhesive bead 3a, 3b which extend in parallel to each other and to the long edges of the body on the convex surface thereof.
- the beads 3a, 3b are made e. g. from a standard hot melt.
- the first bead 3a has constant cross sectional area along its extension
- the second bead 3b has a variable cross sectional area, stepwise changing at about 2/3 of its extension.
- Fig. 2 illustrates how the adhesive beads 3a, 3b are applied to the surface of the reinforcing carrier 1 by means of discharging adhesive 3' from a nozzle 5a of an adhesive dispense unit 5, wherein the carrier 1 is supported by a robot hand 7a of an industrial robot (see Fig. 3). It is to be noted that the nozzle 5a of the adhesive dispense unit 5 is fixed and discharges a predetermined amount of adhesive per time, according to an adhesive discharge control signal, whereas the carrier 1 is moved along the end of the nozzle according to a robot operating control program.
- Fig. 1 illustrates how the adhesive beads 3a, 3b are applied to the surface of the reinforcing carrier 1 by means of discharging adhesive 3' from a nozzle 5a of an adhesive dispense unit 5, wherein the carrier 1 is supported by a robot hand 7a of an industrial robot (see Fig. 3). It is to be noted that the nozzle 5a of the adhesive dispense unit 5 is fixed and discharges a predetermined amount of adhesive per time
- FIG. 3 shows, in a perspective view, an industrial robot 7 holding the carrier 1 with the adhesive beads 3a, 3b applied thereto with its robot hand 7a during the transferral of the reinforcing carrier between two work stations, e. g. from the adhesive dispense work station to a reinforced structural member assembling station.
- the industrial robot 7 is of a standard type which provides for translational and rotational motions according to a control software which is adapted to the design of the reinforcing carrier and the beads applied thereon, as well as of the original structural member, and of the spatial arrangement of the several work stations which form the arrangement for carrying out the inventive process.
- Implementing the arrangement of the work stations and the corresponding robot control program is within the skills of one of ordinary skill in the art and does, therefore, not require more detailed explanations.
- Fig. 4A and 4B illustrate how a reinforced structural member 9 is assembled from an original structural member 9' and a reinforcing carrier 1 , as illustrated in the preceding figures.
- the original structural member 9' is brought into a correspondingly shaped cavity 1 1 a of an assembling block 1 1 , and the reinforcing carrier 1 (with the adhesive beads applied thereto, not separate designated in this figure) is positioned above the concave surface of the member 9' (Fig. 4A) and pushed into it by a corresponding translational motion of the robot hand 7a (Fig. 4B).
- This motion is controlled such that the adhesive beads come into contact with the surface of the member 9' and deformed into a continuous adhesive layer connecting the member 9' with the reinforcing carrier 1 .
- the connection achieved herewith is mechanically sufficiently stable, to enable any further handling of the reinforced structural member 9 with the robot hand 7a, gripping the back surface of the reinforcing carrier 1 .
- the assembly block which mainly serves for correctly positioning the original structural member, can be omitted and the member kept in place with other fixation means.
- Fig. 5 schematically illustrates an exemplary arrangement 100 for producing a reinforced structural member of the type explained above.
- the reference numerals of elements/devices which appear in one of the preceding figures are the same as in that figure.
- an injection molding machine 101 and in parallel a reinforcing carrier storage 103 are illustrated, as sources for providing the reinforcing carriers 1 used in the process.
- the robot 7 can take the reinforcing carriers either from the output of the injection molding machine 101 and from the output of the storage 103, i. e. it grasps in each cycle of the process, one carrier body at one of those outputs and moves it to the output of the nozzle 5a of the adhesive dispense unit 5.
- the required number of adhesive beads on the carrier body, each with the required geometrical configuration is provided.
- the robot 7 brings the completed reinforcing carrier from the dispense unit to the assembling block 1 1 , where an original structural member 9' waits in the cavity 1 1 a.
- the original structural members 9' are stored in a structural member storage 105 and transferred to the assembling block 1 1 by adequate transport means, in the figure symbolically illustrated as an arrow 107.
- the reinforced structural member is assembled in the assembling block 1 1 as explained further above and then, again by correspondingly operating the robot 7, transferred to a curing and paint oven 109, for curing the adhesive which provides the mechanical integrity of the reinforced structural member and, if adequate, for curing a paint applied to the reinforced structural member at the same time.
- a robot and dispense unit operating control unit 1 1 1 is provided in the arrangement, for controlling the picking and releasing actions and movements of the robot 7, as well as the discharge of adhesive from the dispense unit 5.
- a control program stored within the control unit 1 1 1 accommodates a
- the program also reflects the spatial arrangement of the several units of the arrangement relative to each other.
- an intermediate storage for storing the assembled reinforced structural members before transferring them to the oven 109 can be provided.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Robotics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Automatic Assembly (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/767,845 US9962884B2 (en) | 2013-02-15 | 2014-02-11 | Process and arrangement for making a reinforced structural member |
EP14705995.0A EP2956680B1 (en) | 2013-02-15 | 2014-02-11 | Process and arrangement for making a reinforced structural member |
KR1020157019921A KR102239399B1 (en) | 2013-02-15 | 2014-02-11 | Process and arrangement for making a reinforced structural member |
CN201480008830.7A CN105074233B (en) | 2013-02-15 | 2014-02-11 | For manufacturing the method and apparatus of enhancing structure component |
JP2015557398A JP6364027B2 (en) | 2013-02-15 | 2014-02-11 | Process and mechanism for making reinforced structural parts |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13155497.4 | 2013-02-15 | ||
EP13155497 | 2013-02-15 |
Publications (1)
Publication Number | Publication Date |
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WO2014124924A1 true WO2014124924A1 (en) | 2014-08-21 |
Family
ID=47710045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/052607 WO2014124924A1 (en) | 2013-02-15 | 2014-02-11 | Process and arrangement for making a reinforced structural member |
Country Status (6)
Country | Link |
---|---|
US (1) | US9962884B2 (en) |
EP (1) | EP2956680B1 (en) |
JP (1) | JP6364027B2 (en) |
KR (1) | KR102239399B1 (en) |
CN (1) | CN105074233B (en) |
WO (1) | WO2014124924A1 (en) |
Cited By (5)
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EP3421331A1 (en) | 2017-06-29 | 2019-01-02 | Sika Technology Ag | System of a reinforced structural element of a motor vehicle |
EP3466800A1 (en) | 2017-10-06 | 2019-04-10 | Sika Technology Ag | Reinforcing device for reinforcing a structural element in a motor vehicle |
EP3844053B1 (en) | 2018-08-31 | 2023-06-07 | Sika Technology AG | Device for reinforcing, sealing or damping of a structural element |
EP3844051B1 (en) | 2018-08-31 | 2023-06-07 | Sika Technology AG | System for insulation of a structural element |
WO2024052276A1 (en) | 2022-09-05 | 2024-03-14 | Zephyros, Inc. | Curable polymer composition having improved wash-off resistance |
Families Citing this family (3)
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AT517912B1 (en) * | 2015-10-21 | 2019-03-15 | Hubert Ing Rapperstorfer | Production plant for the production of reinforcement elements |
DE102017203368B4 (en) * | 2017-03-02 | 2023-07-06 | Volkswagen Aktiengesellschaft | Method and device for stiffening metal components using a robot-guided application head |
IT201700053837A1 (en) * | 2017-05-18 | 2018-11-18 | Sapa S R L | METHOD OF PRODUCTION OF A SEAT FOR A SEAT OF ANY ROAD VEHICLE AND PRODUCT SO OBTAINED. |
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Also Published As
Publication number | Publication date |
---|---|
US9962884B2 (en) | 2018-05-08 |
KR102239399B1 (en) | 2021-04-13 |
CN105074233B (en) | 2018-05-25 |
JP6364027B2 (en) | 2018-07-25 |
EP2956680B1 (en) | 2020-04-08 |
US20150367562A1 (en) | 2015-12-24 |
CN105074233A (en) | 2015-11-18 |
JP2016516560A (en) | 2016-06-09 |
EP2956680A1 (en) | 2015-12-23 |
KR20150117649A (en) | 2015-10-20 |
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