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Published date: 3 June 2024 Open opportunity - This means that the contract is currently active, and the buying department is looking for potential suppliers to fulfil the contract.
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Closing: 3 July 2024, 12pm
Contract summaryIndustryLasers - 38636100 Industrial lasers - 38636110 Industrial machinery - 42000000 Location of contractYorkshire and the Humber Value of contract£0 to £250,000 Procurement reference4087/AMRC/CK/24 Published date3 June 2024 Closing date3 July 2024 Closing time12pm Contract start date30 July 2024 Contract end date31 October 2024 Contract typeSupply contract Procedure typeOpen procedure (above threshold)
What is an open procedure (above threshold)?
Any interested supplier may submit a tender in response to an opportunity notice. This procedure can be used for procurements above the relevant contract value threshold. Contract is suitable for SMEs?Yes Contract is suitable for VCSEs?Yes DescriptionAs part of this requirement two applications are targeted: cutting trials with thin sheets of electrical steel for the production of electrical machine laminations and high rate cutting of CFRP panels. The remote laser cutting is being investigated as an alternative to traditional gantry-mounted fusion laser cutting. The benefits of this method of cutting are that the cut rate is increased and the thermal damage is reduced. Materials being investigated are high-silicon steel and cobalt iron. Sheet thicknesses could range from 0.35 mm down to 0.1 mm. A continuous-wave laser has been used in this investigation. But has been shown to produce an increased cut rate but creates more thermal damage to the material in the region of the cut. This is a result of firstly there being significant melting of the material, as well as vaporisation, and the fact that the molten material is not ejected from the component surface. A new short pulse laser is sought to overcome these issues. This new laser shall be capable of removing material in a way that produces reduced thermal damage compared to a traditional laser system. The new laser should be capable of cutting the steel sheets at a rate such that the resultant cut rate of the system is greater than that for a traditional gantry laser system. The second application addresses a requirement to put arrays of holes into aerospace-grade carbon fibre reinforced polymer composite panels typically associated with primary structure components, up to 3 mm thick. These holes are required to be produced at high rate (> 10 holes per second) without affecting any visible heat affected zone within the fibre or matrix surrounding the through-hole entry/exit/bore surfaces in the part being laser processed. Thermal damage is typically seen through either a charring/blackening or other discoloration on a surface and/or removal of additional material in the zone surrounding the intended hole's removal zone. These high-rate through holes are expected to be percussion drilled to maximise productivity and can be produced in parallel to manage thermal dissipation. The through holes required would range in size from 0.1 mm to 2 mm in diameter with a diameter tolerance of ±10%. The AMRC's existing optics can focus the spot across this range, however, alternative solutions to enable entry diameters, with minimal taper at high rate within this range are welcomed. The laser shall be capable of meeting this baseline. An ability to produce holes up to 25.4 mm in diameter using the trepanning method is also considered desirable. More information
How to applyFollow the instructions given in the description or the more information section. About the buyerContact nameRachel Hirst AddressTHE UNIVERSITY OF SHEFFIELD,WESTERN BANK Telephone01142157590 Is there anything wrong with this page? |
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