WO1994001241A2 - Procede de fabrication - Google Patents

Procede de fabrication Download PDF

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Publication number
WO1994001241A2
WO1994001241A2 PCT/AU1993/000336 AU9300336W WO9401241A2 WO 1994001241 A2 WO1994001241 A2 WO 1994001241A2 AU 9300336 W AU9300336 W AU 9300336W WO 9401241 A2 WO9401241 A2 WO 9401241A2
Authority
WO
WIPO (PCT)
Prior art keywords
articles
suite
extrusion
cross
configuration
Prior art date
Application number
PCT/AU1993/000336
Other languages
English (en)
Other versions
WO1994001241A3 (fr
Inventor
John Howard Styles
Original Assignee
John Howard Styles
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 John Howard Styles filed Critical John Howard Styles
Priority to AU45469/93A priority Critical patent/AU4546993A/en
Publication of WO1994001241A2 publication Critical patent/WO1994001241A2/fr
Publication of WO1994001241A3 publication Critical patent/WO1994001241A3/fr

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Definitions

  • This invention relates to a production system.
  • the invention has particular but not exclusive application to a production system for forming a suite of articles having common design features from an elongation of uniform cross-section.
  • Architectural hardware includes for example hardware, fixtures and fittings for doors, furniture, offices, lockers, bathrooms, toilets, kitchens, restaurants etc.
  • the fittings for hotels, offices etc, such as door furniture, bathroom accessories and fittings etc may all be made from identically sized plate or stock material, may have common curvatures or angles, or in general may incorporate common design features which reflect a unique character or image associated with an individual hotel chain or business organisation.
  • suites of architectural hardware are produced for individual private residences.
  • the present invention aims to provide a production system which will be reliable and efficient in use.
  • This invention in one aspect resides broadly in a method of producing a suite of articles, the method including:- determining features of configuration in the suite of articles which are common; determining a cross-sectional configuration incorporating
  • the expression “suite of articles” means a number of articles usually associated in use and having at least one visual design feature in common.
  • the expression “extrusion or the like” means an elongated article of uniform cross-section throughout its length.
  • the extrusion or the like can, for example, be an extruded, formed or fabricated section.
  • the extrusion or the like can be of metal, wood, plastic, laminate or other suitable rigid or semi ⁇ rigid material.
  • the suite of articles may be manufactured from the extrusion by any suitable means and methods.
  • the articles may be prepared manually or by semi-automatic milling equipment, however it is preferred that the suite of articles are machined by machining means controlled by a suitably programmed data processing assembly.
  • cross-sectional configuration incorporating the common features of configuration of the suite of articles can be chosen or determined by a person without the aid or assistance of computer-based equipment. However it is preferred that the cross-sectional configuration is determined by a suitably programmed data processing assembly.
  • the cross sectional configuration may be selected from the cross-sectional configurations of a predetermined set of extrusions or the like so that production is controlled to the extent that a limited or finite range of extrusions are available rather than open-ended design parameters being permissible.
  • the initial design of the suite of articles will not exactly match any one of the predetermined set of extrusions. Accordingly, if the predetermined set of extrusions or the like does not include an extrusion or the like common having a cross-sectional configuration conforming
  • SUBSTITUTE SHEET with the common features of configuration of the suite of articles, a cross-sectional configuration which is the closest match to any one of the cross-sectional configurations of the predetermined set of extrusions or the like is utilised to produce graphic representations of a suite of articles the common features of configuration of which have been adapted to conform with the cross-sectional configuration of the closest matching extrusion.
  • the suite of articles may be provided with a desired finish after they have been machined.
  • a quantity of articles can be tumble-polished in batch.
  • the extrusion or the like is treated to be at least partially pre- finished to the surface condition desired for the suite of articles.
  • this invention resides broadly in a suite of articles produced by the method defined in any of the preceding definitions.
  • the suite of articles can be of any type and used for any purpose, however in a preferred embodiment the suite of articles comprises architectural hardware for a building fit out.
  • this invention resides broadly in a production assembly for producing a suite of articles, the assembly including:- machining means for machining an extrusion or the like, and a data processing assembly including program means; the program means being operable to control the data processing assembly to determine a cross-sectional configuration incorporating common design features of configuration in a suite of articles, determine a pattern whereby an extrusion or the like incorporating the common features of configuration is machineable in accordance with the pattern to minimise waste, and control the machining means in accordance with the pattern to produce the suite of articles.
  • the data processing assembly may be customised for dedicated use. However it is preferred that the data processing assembly is . a microcomputer and the program means includes a programmable disk or other computer-readable data storage means. DESCRIPTION OF DRAWINGS
  • FIG 1 is a schematic representation of the production system in accordance with the invention.
  • FIG 2 is a schematic representation of a modified production system in accordance with the invention.
  • FIG 3 is a flow diagram of a program for controlling the production system
  • FIGS 4A, 4B and 4C are perspective views of articles having certain common design features of configuration;
  • FIG 4D is a cross-sectional view of an extrusion incorporating the design configurations of the articles illustrated in FIGS 4A, 4B and 4C;
  • FIG 4E is a perspective view illustrating the machining of the articles illustrated in FIGS 4A, 4B and 4C from the extrusion of FIG 4D;
  • FIGS 5A to 5F exemplify the production of other articles in the suite of articles having the design features of con iguration illustrated in FIGS 4A to 4C;
  • FIGS 6A to 6D exemplify the production of articles in a another suite of articles
  • FIGS 7A to 7D exemplify the production of articles in a further suite of articles
  • FIGS 8A to 8L, 9A to 9L, 10A to 10L and 11A to 11J are perspective views of articles machined from a first extrusion
  • FIGS 12A to 121 are perspective views of articles machined from a second extrusion
  • FIGS 13A to 13L are perspective views of articles machined from a third extrusion
  • FIGS 14A to 14H and 15A to 15L are perspective views of articles machined from a fourth extrusion.
  • FIG 16 is a cross-sectional view of the fourth extrusion.
  • a suitably programmed computer 11 adapted to process CAD and CAM style programs controls milling machine station 13 to produce a suite of articles from an extrusion 22 or other length of material stored in rack 18.
  • a variety of operations such as drilling, cutting, milling, grinding or otherwise shaping can take place at milling station 13 an utilise a variety of techniques.
  • the machining operation is controlled to minimise material waste as can be seen more clearly in FIGS 4E, 5F and 6D. If pre-finishing is desired, the extrusion is pre- finishing at station 12 prior to machining.
  • finishing techniques such as polishing, powder-coating, etching, plating, stippling etc may be a., lied at station 12. After machining the individual articles in the suite are finished if required in finishing station 14, conveyed by conveyor 15 for quality control at station 16 and packaged at station 17 prior to despatch.
  • computer 11 can also be utilised to develop and design an appropriate extrusion 22.
  • computer 11 can further be utilised in the design and production of a die to
  • SUBSTITUTE SHEET extrude the non-standard extrusion.
  • computer 11 controls extrusion die cutter 19 to produce die 23 for extruder 20 which is fed raw material 21.
  • the non-standard extrusion is fed to pre-finishing station 12 and the production system thereafter is similar to that described above with reference to FIG 1.
  • the flow chart program illustrated in FIG 3 is largely self explanatory. At the concept stage the designer draws each article in the suite of articles on the computer screen. The program identifies design features of configuration common among the articles and generates the cross-sectional configuration of an extrusion incorporating these common features.
  • the extrusions available for using to manufacture the articles can be limited in number to a predetermined set. If there is such a limit, the system checks to see whether there is a matching extrusion in the set. If there is, this extrusion is utilised to manufacture the articles. If not, the program selects the extrusion from the available set which best matches the extrusion which has been generated to incorporate the common features of the suite of articles. The program then re-designs and displays the suite of articles modified as is necessary to be produced by the closest matching extrusion. If the redesigned articles are acceptable, the best matching extrusion is utilised to manufacture the articles. If the computer redesigned articles are not acceptable, the designer draws in modified but acceptable articles and the process recommences.
  • the program allows the computer to control the cutting of a die to generate the required extrusion.
  • FIGS 4A, 4B and 4C illustrate a coat hook, hand rail bracket and door pull respectively which are part of a suite of articles having common design features of configuration ie, the thickness of the material and the inclusion of a right at J e; and in the case of the coat hook and hand rail bracket, the curvature of one portion.
  • FIG 4E shows the pattern for cutting the articles from the extrusion illustrated in FIG 4D.
  • extrusion 4D is detern ⁇ ed by computer 11 programmed in accordance with the program described with reference to FIG 3.
  • An extrusion from stack 18 is fed to polisher 12, the polished extrusion is machined in computer controlled milling machine 13 to produce the articles illustrated, the cut or milled edges of which are then plated at station 14 to completely finish the articles.
  • FIGS 5A to 5D illustrate a toilet paper holder, an ash tray, a door jamb threshold angle and a threshold weather bar respectively from the same suite of articles illustrated in FIGS 4A to 4C, and made from the same extrusion in accordance with the machining pattern illustrated in FIG 5F.
  • FIGS 6A and 6B illustrate a cupboard or drawer door pull and a part of a door holder respectively, forming part of another suite of articles and made from the extrusion illustrated in FIG 6C in accordance with the machining pattern illustrated in FIG 6D.
  • FIGS 7A and 7B illustrate a pair of robe hooks forming part of another suite of articles and made from the extrusion illustrated in FIG 7C in accordance with the machining pattern illustrated in FIG 7D.
  • FIGS 8 As can be seen in all FIGS 8, FIGS 9, FIGS 10, FIGS 11, FIGS 12, FIGS 13, FIGS 14 and FIGS 15, a wide range of articles within different suites can be generated from various extrusions in accordance with this invention.
  • Those illustrated in the above FIGS and identified in the following Table I are of course exemplary only and are not intended to be exhaustive.
  • suites of articles in accordance with the invention may include articles having one or more components not made in accordance with the method of this invention.
  • extrusions in accordance with the invention, or parts thereof can also be used in conjunction with standard commonly available sections such as squares, rounds, tubes, angles, channels, flats and the like.
  • the invention simplifies manufacture and finishing of hardware items by minimising the number of processes and tool changes during manufacture whether using either CAD/CAM production methods or by hand work. For example a coat hook, toilet paper holder, handrail bracket and many other items are simply completed by drilling holes in the extrusion and then cutting, milling or otherwise separating the item from the extrusion.
  • the invention also minimises hand polishing or other finishing operations by cutting or machining the elements from pre-polished or pre-finished material, thus only the cut or machined edges may need further attention.
  • the invention enables new and unusual designs to be developed at minimum cost for specific applications or for mass production without setting up the special tools, jigs and moulds normally associated with purpose designed items.
  • the invention furthermore facilitates a holistic design approach integrating both end design and production techniques to maximise efficiency, minimise waste and even increase qualities such as strength by making articles wide or shorter.
  • the final design of the articles may vary from those illustrated, e.g. the width of the coat hook in FIG 4B determines the size of the top flange on the hand-rail bracket and hence the width of the door-pull.

Landscapes

  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

On décrit un procédé qui permet de fabriquer une suite d'articles, où un ordinateur dûment programmé définit les caractéristiques de conception communes à la configuration de ces articles pour déterminer la configuration de leur vue en coupe. On usine alors un article allongé présentant la section uniforme désirée pour produire cette suite d'articles. Un ordinateur dûment programmé commande cette fabrication.
PCT/AU1993/000336 1992-07-08 1993-07-08 Procede de fabrication WO1994001241A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU45469/93A AU4546993A (en) 1992-07-08 1993-07-08 Production system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPL342092 1992-07-08
AUPL3420 1992-07-08

Publications (2)

Publication Number Publication Date
WO1994001241A2 true WO1994001241A2 (fr) 1994-01-20
WO1994001241A3 WO1994001241A3 (fr) 1994-03-17

Family

ID=3776276

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1993/000336 WO1994001241A2 (fr) 1992-07-08 1993-07-08 Procede de fabrication

Country Status (1)

Country Link
WO (1) WO1994001241A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6860181B2 (en) 2000-08-03 2005-03-01 Trend Windows & Doors Pty Limited Automated manufacturing apparatus for aluminium window/door systems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR626695A (fr) * 1926-12-23 1927-09-16 Procédé pour la fabrication d'écrous à ailettes ou de pièces analogues
DE641810C (de) * 1934-08-16 1937-02-13 Executors Of James Mills Ltd Verfahren zur Herstellung von oertlich verstaerkten Befestigungsklammern fuer Breitfussschienen auf eisernen Querschwellen
FR912923A (fr) * 1945-03-12 1946-08-23 Anciens Etablissements Somborn Procédé perfectionné de fabrication des marteaux et autres outils analogues et produit obtenu
GB761711A (en) * 1954-07-30 1956-11-21 Holden & Co B Ham Ltd E A new or improved method of manufacturing the boxes of slidable stay casement fastenings
AU1484783A (en) * 1982-05-20 1983-11-24 Stephen Spain Computerised engraver

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR626695A (fr) * 1926-12-23 1927-09-16 Procédé pour la fabrication d'écrous à ailettes ou de pièces analogues
DE641810C (de) * 1934-08-16 1937-02-13 Executors Of James Mills Ltd Verfahren zur Herstellung von oertlich verstaerkten Befestigungsklammern fuer Breitfussschienen auf eisernen Querschwellen
FR912923A (fr) * 1945-03-12 1946-08-23 Anciens Etablissements Somborn Procédé perfectionné de fabrication des marteaux et autres outils analogues et produit obtenu
GB761711A (en) * 1954-07-30 1956-11-21 Holden & Co B Ham Ltd E A new or improved method of manufacturing the boxes of slidable stay casement fastenings
AU1484783A (en) * 1982-05-20 1983-11-24 Stephen Spain Computerised engraver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6860181B2 (en) 2000-08-03 2005-03-01 Trend Windows & Doors Pty Limited Automated manufacturing apparatus for aluminium window/door systems

Also Published As

Publication number Publication date
WO1994001241A3 (fr) 1994-03-17

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