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Expertise

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Didsbury Engineering as part of The MEL Group, are able to offer a wider range of services and specialist expertise to design and manufacture the right solution for you.

Didsbury Engineering’s design team have the experience and knowledge in delivering high quality, cost effective engineering solutions through to manufacture, to meet our clients’ exact needs.

The MEL Group maintains a comprehensive precision engineering service, specialising in the production of fine limit components for the Aerospace and Allied Industries.

The MEL Group engineering departments specialise in CNC work and have a range of purpose built machinery capable of producing high precision, small or large batch work.

Comprehensive inspection facilities throughout the group ensure the finished product is always to the highest standard.

GROUP CAPABILITIES & SPECIAL PROCESSES

In House Treatments​

  • ​HYDRAULIC TEST RIG: 1 off delivering 30 litres per minute at pressures up to 250 bar temperature control. ​
  • ALOCROM FACILITY: 1 off Fully equipped Alocrom facility.
    • NADCAP approved ​​
  • PAINT FACILITY: 1 off Fully equipped paint spraying facility.
    • NADCAP approved ​
  • NDT:
    • Hardness & Conductivity (Verification only)
    • Acid Etch Line – All Stainless Steel other than S144 & S145
    • Penetrant Flaw Detect – Water Wash Level 2 & Post Emulsifier Level 3
    • Magnetic Flaw Detect – ½ Wave
    • All above processes NADCAP approved.

Additional Equipment

  • Complete fabrication shop
  • MIG, TIG & spot welding equipment
  • NADCAP approved and Rolls Royce approved capability
  • Bending & Forming Tools
  • Compressors
  • Micro Drilling Machine
  • Hydraulic Press
  • Lapmaster Lapping machine
  • Clean Room Facility to ISO14644 Class 6 standard
  • Ultrasonic Cleaning and Rinse facility
  • Drying Ovens
  • Jig Grinding and CNC Cylindrical Grinding capability

Some of The Group’s inspection equipment

CMM BROWN & SHARP GLOBAL STATUS 575. PC DMIS PROCESSING SYSTEM + MODELING CAPABILITY: 1 off Range X Axis 500mm

Range Y Axis 700mm
Range Z Axis 500mm
Resolution 0.001mm

CMM BROWN & SHARP MISTRAL 071007. PC DMIS PROCESSING SYSTEM + MODELING CAPABILITY: 1 off

Range X Axis 700mm
Range Y Axis 1000mm
Range Z Axis 700mm
Resolution 0.001mm

​Some of the present Customer approvals

SCOPE OF ACCREDITATION
Welding

Arrowsmith Engineering & Consultants Ltd Incorporating Trent Aero Engineering Ltd

AC7110 Rev E – Nadcap Audit Criteria for Welding/Brazing (to be used on audits before 30 April 2017)

AC7110 Rev F – Nadcap Audit Criteria for Welding/ Torch and Induction Brazing and Additive Manufacturing (This is required for all Welding / Torch and Induction Brazing and Additive Manufacturing audits) (to be used on audits on/after 30 April 2017)

AC7110/4 Rev H – Nadcap Audit Criteria for Resistance Welding (Spot, Seam, Projection) Baseline (All audits)
Spot Welding – sheet (identify if this process is used)
Supplement F – Metallographic Evaluation of Resistance Welds (Qualification and / or Process Control) (Additional requirements)

AC7110/4S Rev E – Nadcap Supplemental Audit Criteria for Resistance Welding (to be used before 17 September 2017) U3 Rolls Royce Plc

AC7110/5 Rev H – Nadcap Audit Criteria for Fusion Welding Baseline (All audits)
Supplement D – Material – Additional requirements for titanium welding
Supplement F – Filler Materials (Additional requirements)
​Supplement G – Processes using Gas (For example GTAW, PAW) (Additional requirements)
Supplement J – Tack Welding (Additional requirements)

AC7110/5S Rev D – Nadcap Supplemental Audit Criteria for Fusion Welding (to be used before 17 September 2017) U3 Rolls Royce Plc

AC7110/12 Rev F – Nadcap Audit Criteria for Welder/Welding Operator Qualification (This checklist is required if the audit includes AC7110/3, /5 or /6)
Baseline (All audits)

AC7110/12S Rev G – Nadcap Supplemental Audit Criteria for Welder/Welding Operator Qualification (This checklist is required if the audit includes AC7110/3, /5 or /6) (to be used on audits before 4 September, 2016)
U3 Rolls Royce Plc

AC7110/12S Rev H – Nadcap Supplemental Audit Criteria for Welder/Welding Operator Qualification (This checklist is required if the audit includes AC7110/3, /5 or /6) (to be used on audits on/after 4 September, 2016)
​U3 Rolls Royce Plc

SCOPE OF ACCREDITATION
Chemical Processing

Redmayne Engineering Ltd

AC7108 Rev H – Nadcap Audit Criteria for Chemical Processing (to be used on audits before 21 January 2018)

  • AC7108/01 – Painting & Dry Film Coatings and Sol Gel as a Preparation for Paint – AC7108/1 must also be selected
  • AC7108/04 – Solution Analysis and Testing – AC7108/4 must also be selected
  • AC7108/11 – Conversion Coating – AC7108/11 must also be selected
  • Stripping of Coatings
  • Inorganic Coatings
  • Other Stripping

AC7108/1 Rev C – Nadcap Audit Criteria for Painting & Dry Film Coatings (to be used on audits on/after 5 June 2016)

  • Dry Film Lubricant Coatings
  • Other
  • Painting
  • ​Other

AC7108/4 Rev B – Nadcap Audit Criteria for Solution Analysis and Testing in Support of Chemical Processing to AC7108 (To Be Used On Audits Conducted before 21 January 2018)
Testing Performed Internally In Support of the Chemical Process Accreditation

  • B05 – Salt Spray Testing In Support of AC7108
  • B10 – Adhesion Testing (Adhesion Tape Testing) In Support of AC7108
  • B14 – Conductivity Testing In Support of AC7108
  • B16 – Coating Thickness Measurement In Support of AC7108
  • B23 – Other Testing In Support of AC7108

AC7108/11 – Nadcap Audit Criteria for Conversion Coating (to be used on audits on/after 5 June 2016)

  • Aluminium
  • ​Other Aluminium