Notice Information
Notice Title
Short Pulse Laser
Notice Description
This laser will replace the SPI redPOWER QUBE 2kW continuous-wave laser currently in the Factory 2050 laser cell. Two applications are targeted: further cutting trials with thin sheets of electrical steel for the production of electrical machine laminations, and high rate cutting of CFRP panels, initially to produce perforations. For the first of these, remote laser cutting is being investigated as an alternative to traditional gantry-mounted fusion laser cutting. The perceived benefits of this method of cutting are that the cut rate is increased (the scanner is capable of speeds of up to 8,000 mm/s) and that the thermal damage (measured in terms of electromagnetic performance, not physical material properties) is reduced, both with reference to the traditional fusion cutting baseline. Materials being investigated are high-silicon steel (e.g. NO20) and cobalt iron (e.g. Hiperco50 - 49% cobalt content). Sheet thicknesses could range from 0.35 mm down to 0.1 mm. Previously, a continuous-wave (CW) laser has been used in this investigation. This 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 (the vaporisation/ablation is not sufficiently energetic to eject it). 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 (HAZ) compared to a traditional laser system. Secondly, 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. For the purposes of this tender, consider this to be 300 mm/s. The second application addresses a requirement to put arrays of holes into aerospace-grade carbon fibre reinforced polymer (CFRP) 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 (HAZ) 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, e.g. 100 microns of top ply material removed away from the primary hole circumference on entry side. 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. The laser will be a direct replacement for the existing CW laser. It is intended that the existing ancillary equipment will be used for the replacement as much as possible. Tender Process and Documentation: This procurement is an open procedure. The ITT can be downloaded by registering and expressing your interest on the University's e-tendering system https://in-tendhost.co.uk/Sheffield If you have any questions or comments in relation to this tender they must be submitted via the In-tend System, this can be accessed at https://in-tendhost.co.uk/Sheffield Completed tenders must be returned through the same e-tendering system. Closing date for receipt of tenders: 3rd of July 2024 at 12 noon (UK time)
Lot Information
Lot 1
This laser will replace the SPI redPOWER QUBE 2kW continuous-wave laser currently in the Factory 2050 laser cell. Two applications are targeted: further cutting trials with thin sheets of electrical steel for the production of electrical machine laminations, and high rate cutting of CFRP panels, initially to produce perforations. For the first of these, remote laser cutting is being investigated as an alternative to traditional gantry-mounted fusion laser cutting. The perceived benefits of this method of cutting are that the cut rate is increased (the scanner is capable of speeds of up to 8,000 mm/s) and that the thermal damage (measured in terms of electromagnetic performance, not physical material properties) is reduced, both with reference to the traditional fusion cutting baseline. Materials being investigated are high-silicon steel (e.g. NO20) and cobalt iron (e.g. Hiperco50 - 49% cobalt content). Sheet thicknesses could range from 0.35 mm down to 0.1 mm. Previously, a continuous-wave (CW) laser has been used in this investigation. This 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 (the vaporisation/ablation is not sufficiently energetic to eject it). 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 (HAZ) compared to a traditional laser system. Secondly, 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. For the purposes of this tender, consider this to be 300 mm/s. The second application addresses a requirement to put arrays of holes into aerospace-grade carbon fibre reinforced polymer (CFRP) 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 (HAZ) 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, e.g. 100 microns of top ply material removed away from the primary hole circumference on entry side. 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. The laser will be a direct replacement for the existing CW laser. It is intended that the existing ancillary equipment will be used for the replacement as much as possible. Tender Process and Documentation: This procurement is an open procedure. The ITT can be downloaded by registering and expressing your interest on the University's e-tendering system https://in-tendhost.co.uk/Sheffield If you have any questions or comments in relation to this tender they must be submitted via the In-tend System, this can be accessed at https://in-tendhost.co.uk/Sheffield Completed tenders must be returned through the same e-tendering system. Closing date for receipt of tenders: 3rd of July 2024 at 12 noon (UK time)
Notice Details
Publication & Lifecycle
- Open Contracting ID
- ocds-h6vhtk-046d0e
- Publication Source
- Find A Tender Service
- Latest Notice
- https://www.find-tender.service.gov.uk/Notice/021090-2024
- Current Stage
- Award
- All Stages
- Tender, Award
Procurement Classification
- Notice Type
- Tender Notice
- Procurement Type
- Standard
- Procurement Category
- Goods
- Procurement Method
- Open
- Procurement Method Details
- Open procedure
- Tender Suitability
- Not specified
- Awardee Scale
- Not specified
Common Procurement Vocabulary (CPV)
- CPV Divisions
38 - Laboratory, optical and precision equipments (excl. glasses)
-
- CPV Codes
38636100 - Lasers
38636110 - Industrial lasers
Notice Value(s)
- Tender Value
- £250,000 £100K-£500K
- Lots Value
- £250,000 £100K-£500K
- Awards Value
- Not specified
- Contracts Value
- Not specified
Notice Dates
- Publication Date
- 10 Jul 20241 years ago
- Submission Deadline
- 3 Jul 2024Expired
- Future Notice Date
- Not specified
- Award Date
- 10 Jul 20241 years ago
- Contract Period
- Not specified - Not specified
- Recurrence
- Not specified
Notice Status
- Tender Status
- Unsuccessful
- Lots Status
- Cancelled
- Awards Status
- Unsuccessful
- Contracts Status
- Not Specified
Buyer & Supplier
Contracting Authority (Buyer)
- Main Buyer
- UNIVERSITY OF SHEFFIELD
- Contact Name
- Rachel Hirst
- Contact Email
- r.e.hirst@sheffield.ac.uk
- Contact Phone
- +44 1142157590
Buyer Location
- Locality
- SHEFFIELD
- Postcode
- S10 2TN
- Post Town
- Sheffield
- Country
- England
-
- Major Region (ITL 1)
- TLE Yorkshire and The Humber
- Basic Region (ITL 2)
- TLE3 South Yorkshire
- Small Region (ITL 3)
- TLE32 Sheffield
- Delivery Location
- TLE Yorkshire and The Humber
-
- Local Authority
- Sheffield
- Electoral Ward
- Broomhill and Sharrow Vale
- Westminster Constituency
- Sheffield Central
Further Information
Open Contracting Data Standard (OCDS)
View full OCDS Record for this contracting process
The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.
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