専門技術

技術概要

このインフォグラフィックでは、材料から旋盤加工最終製品ができるまでの様々な製造段階を上から下へほぼ順に示し（左欄）、それぞれの段階で行うことのできるすべての作業を列挙しました。


IN-HOUSE PRODUCTION EXTERNAL PRODUCTION Heat treatments Structural hardening Degreasing Manufacturing process log Packaging and shipping of products Inspection PLCs Vision systemsProbes CNC sliding head turning machines "Escomatic" turning machines cam-type or CNC Material on reel Material in bars Polishing Secondary or complementary operations Galvanic treatments Visual and dimensional inspection by sampling Inspection (full visual inspection) Inspection Consignment and/or safety stock Chemical polishing Definition and preparation of manufacturing process Feasibility study Simultaneous operations• Drilling • Milling • Polygon operation • Hobbing • Thread-whirling/tapping • Threading • Knurling or frosting • Bending Hardening Tempering Carburisation Polishing Micro-polishing Frosting Sunray polishingRolling Nickel plating Gold plating Tin plating Rhodium plating Passivation Epilame coating Polishing/ Black/mirror polishing Domed polishing Bluing PVD Sand-/micro-blasting “INTEGRATED MANAGEMENT SYSTEM” (IMS) AS PER STANDARDS:ISO 9001 Global management systemIATF 16949 Quality management system used in the automibile industryISO 14001 Environmental management systemISO 45001 Quality management system for the medical devices industryISO 13485 Occupational health and safety management system • Advanced Product • Quality Planning (APQP)• Creation of drawings from customer projects• Analysis of potential risks (FMEA)• Creation of operating procedures• Machine-tool design• Creation of inspection plans• Measurement System Analysis (MSA) Most commonly used materials• Carbon steels• Austenitic and martensitic stainless steels• Copper alloys• Precious metals• Titanium• Etc. Most commonly used materials• Carbon steels• Austenitic and martensitic stainless steels• Copper alloys• Precious metals• Titanium• Etc. • Setup and validation of the first part24/7 series production• Monitoring critical dimensions usingSPC control charts• Maintenance of equipment and ­tools • Small to large runs• Parts with complex shapes• Material in bars• The material turns on itself and thetools are fixed • Large volumes• Parts with a simple design• Material on reel• The cutting tools turn around the material Machining to create a hole in the part Machining of flat faces, around the periphery or on the faces of the part Hobbing of points or facets (without interrupting the rotation of the material) Machining the teeth on wheels, gears and pinions Machining a screw pitch inside a drill hole Creating a thread along a cylindrical surface Shaping of the material using toothed wheels or diamond-coated rollers Shaping of the shaft of a turned part by bending Solvent cleaning in closed circuit Modification of aesthetic and technical specifications for parts The operation involves heating turned parts made from CuBe to approx. 320°C for 2 hours, then cooling them slowly. The material becomes much harder Hardening involves heating steel turned parts to between 800°C and 1000°C, then cooling them quickly. The material becomes hard and brittle Tempering consists of reheating the turned part for a second time to a lower temperature until it reaches the required hardness Alteration of the peripheral layer of the steel turned part to enable surface hardening The turned parts are mixed with carriers, abrasives and additives and then agitated for several hours (or even days) in vibrating bowls The turned parts are mixed with carriers, abrasives and additives and then agitated for several hours (or even days) in small bowls Chamfering and brightening of the turned parts using etching Formation of surface porosity by scratching with diamond-coated tools, with the aim of increasing the adher-ence of the overmoulded plastic part Small scratches for aesthetic effect, made on the flat face of the machined part, giving a sunray appearance under light Strain-hardening of material using special bell-shaped wheels Extremely flat polishing of the machined part, giving a mirror effect Polishing and rounding of the machined part edges, giving a mirror effect Oxidation of the surface of the part in tempered steel by heating to obtain a blue colour, primarily for aesthetic reasons, but also to reinforce resistance to corrosion Depositing a fine layer of any type of material (gold, copper alloys, etc.) by sputtering, primarily for decorative effect for luxury items Blasting a stream of sand or microbeads at high speed onto the surface of the part Depositing a fine layer of nickel on the machined part using an electrochemical process, to protect it against oxidation Depositing a fine layer of gold on the machined part using an electrochemical process, for aesthetic effect or for electrical conductivity Depositing a fine layer of tin on the machined part using an electrochemical process, to increase the part’s weldabi- Depositing a fine layer of rhodium on the machined part using an ­ electrochemical process, for aesthetic effect Chemical alteration of the surface of the machined part, to reduce oxidation Depositing a microfilm on the machined part to avoid liquid lubricants spreading over the surface when pivoted • Visual and dimensional inspection• Study of process capabilities (Cmk, Cpk)• Creation of test protocols Visual and dimensional inspection by sampling of the turned parts at different stages of manufacture Visual inspection of turned parts, 100% of the run • Full automatic inspection for parts ofall sizes in large runs• These systems enable to reach in somecases 0 ppm (number of defects per million parts) 100% automatic control of measurements by image analysis 100% automatic control of measurements by mechanical ­probing Automated storage system Delivery according to customer requirements (customised supporting documentation and packaging) • Creation of PPAP (Production Part Approval Process) file• Centralisation of data using computerised ERP (Enterprise Resource Planning) tools
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