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DavyMarkham - Services - Machining
DavyMarkham offers a diverse range of CNC machining services and capabilities which range from mid size batch work, including components weighing a few tonne, to those one off bespoke components of a maximum of 300 tonne.

The machining facility is broken into two very different areas.

In the light to medium machine shop there are a range of machines capable machining to exacting tolerances on components up to 125 tonne:
  • Centre Lathes
  • Vertical Borers
  • Table Borers
  • Elgamill
  • Gantry Milling


The largest machine bay (5 Bay, pictured above) comprises of a machine bed which covers half of the entire bay (34.5m x 14.7m). This unique facility enables very large castings and fabrications to be machined with minimal set-up time.

The huge bed plate is surrounded by CNC ram borers machining to exacting tolerances, all large work pieces can therefore be machined with precision and are governed only by the weight limits of the overhead cranes.


Key statistics for machining facilities:
Machine typeNumber of machinesCapacity (max)
Plano milling35.1m x 4.5m x 13.2m
Gantry Mill14.8m x 2.2m x 14.0m
Ram Borers85.0 x 1.5m x 14.0m
Horizontal Borers72.0m x 1.0m x 6.0m
Vertical Borers612.9m swing x 3.9m height
Large Centre Lathes62.0m dia. x 14m long

To facilitate the machining of such large components DavyMarkham is capable of single or beam linked crane lifts.

4 Bay
Single crane20 tonne to 125 tonne maximum
5 Bay
Single crane220 tonne maximum
Linked cranes350 tonne maximum
Height under crane hook12.8 metres

The huge machining capability of DavyMarkham allows the machining of a wide range of components from 20 tonne up to single piece castings in excess of 350 tonne.

Typical projects DavyMarkham has been involved with include:
 
Vertical Cable Laying-Up Machine - London - England
Selby Swing Bridge - Selby - England
Wellington Street Bridge - Kingston-upon-Hull - England
Electron Beam Welding Vacuum Chamber - Cambridge - England
Tsing Ma, Lantau Bridge - Hong Kong
Helix Bridge - London - England
Stainless Steel Knife Gates Valves- Changi - Singapore
Nuclear Shield Doors - Sellafield - England
NATO Rescue Submarine - York - England
Interaction Chamber - Didcot - England
High Orchard Lift Bridge - Gloucester - England
Heathrow Airport Control Tower - London - England
Heathrow Airport Terminal 5 - London - England
Great Wharf Road Tilting Bridge - London - England
Gateshead Millennium Bridge - Newcastle upon Tyne - England
Flask Transporter - Sellafield - England
Drum Gate Refurbishment - Various Sites - Scotland
Main Tailgate Lifting Equipment - Dinorwig - Wales
Butterfly Valve - e-Tec - England
Bellmouth Swing Bridges - London - England
Roll on Roll off Bridge - Train ferry berth - Dover - England
6000t Forging Press - Dunkerque - France
200t & 1000t Conductor Turntables - London - England
35,500t Screw Press - Kapfenberg - Austria
1750T Bliss Forging Press Refurbishment - Hereford - England
10m Cutterhead - Nagarjunasager - India
5m Housing Stand - Gujarat - India
Nickel Rim Mine - Sudbury - Canada
Laronde Mine - Sudbury - Canada
Creighton Mine - Sudbury - Canada
Coleman Mine - Sudbury - Canada
Totten Mine - Sudbury - Canada
Westwood Project - Québec - Canada
Éléonore Mine - Québec - Canada






Click the links above to view the relevant Project Datasheet as an Adobe Acrobat PDF file.