Machining

Our machining department offers specialisation in vertical and horizontal turning, broaching, drilling and milling. Broadbent’s particular skill lies in machining large complex components to the tight tolerances required for large scale industrial centrifuges similar products.

Capacity List Highlights

Waldrich Coberg CNC Machining Centre

Large 5 axis CNC vertical turning and machining centre with Siemens 840C control, live tooling, automatic attachment and tool auto-changer.

Machining of decanter bowl

  • Max turning diameter = 3500mm
  • Max height under toolbox = 3200mm
  • Max table weight = 25 tonnes
  • Max table speed = 180RPM
  • Traverse axes
  • X Axis = +/-2000mm
  • Y Axis = 2000mm
  • Z Axis = 2000mm
  • C1 Axis = 360 degrees in 0.001 degree increments
  • Max speed = 2500RPM
  • Universal milling attachment (full CNC universal head)
  • C2 Axis = 360 degrees around centre of ram
  • B Axis = 90 degrees rotation around Y axis (combined with C2 to point in any direction from horizontal to vertical down)
  • Max speed = 2500RPM

Asquith Butler LE5000 CNC Machining Centre

Large 5 axis CNC machining centre with Siemens 840C control, 5000mm X 4000mm table capacity, 2500mm dia rotary table, automatic attachment and 60 tools autochanger.

  • Milling Capacity
  • Traverse axes
  • X Axis = 6000mm
  • Y Axis = 3500mm
  • Z Axis = 1500mm
  • B Axis = 360 degrees in 0.001 degree increments
  • Max table weight = 25 tonnes
  • Inline milling & drilling attachment
  • Max speed = 2250RPM
  • Universal milling attachment (full CNC universal head).
  • C Axis = 360 degrees around centre of ram
  • A Axis = +/-90 degrees rotation around X axis (combined with C to point in any direction from horizontal to vertical)
  • Max speed = 2250RPM

Decanter base frame machining

Dorries Scharmann VTL 2800 / 280   Siemens 840D

  • Table Size                      2,800mm (110.23″) dia
  • Max Load                      Table 25,000 Kg (24.60 ton)
  • Max Swing                    2,800mm (110.23″)
  • Max Work Height         3,400mm (133.85″)
  • Ram Stroke                   2500mm (98.42″)
  • Rapid Traverse              1200mm/min (47.24″/min)
  • Ram Cross section        300mm (11.81″) x 300mm (11.81″)
  • Min Bore for Ram         410mm (16.14″) dia
  • Spindle Speeds:     0.3 – 180 rpm
  • Main Drive:     2 x 60 kW
  • Live Spindle Speeds:      6 – 2000 rpm
  • Live Spindle Power:      30 kW
  • Max Turn Tool Weight:      200 Kg (440 lbs)
  • Max Mill Tool Weight:     40 Kg (88 lbs)
  • Through Coolant:      Yes

Dorries Machining centre

Dorries Scharmann VTC Sinumerik 840 C

  • Table Size                      1,800mm (70.80″) dia
  • Max Load                      Table 12,000 Kg (11.81 ton)
  • Max Swing                    2,000mm (78.74″)
  • Max Work Height         2,398mm (94.40″)
  • Ram Stroke                   1,498mm (59.00″)
  • Ram Cross section        250mm (9.85″) x 250mm (9.85″)
  • Min Bore for Ram         300mm (11.82″) dia
  • Spindle Speeds                  10 – 350 rpm
  • Main Drive                          60 kW
  • Through Coolant                 Yes
  • Live Spindle Power             30 kW
  • Max Mill Tool Weight           150Kg (330 lbs)

Dorries Machining centre

Hartford Super HCMC 1892

Traverse axes

  • X Axis = 2800mm
  • Y Axis = 900mm
  • Z Axis = 800mm

Angled head @ 90 degrees to Z Axis with 360 degree manual movement around main spindle

Alpha Harrison 2800XS

  • Max turning diameter = 1300mm
  • Max length between centres = 5000mm

Alpha Harrison 1760XS

  • Max turning diameter = 600mm
  • Max length between centres = 4000mm

The large CNC machining capacity is complemented by several large manual operated machine tools:-

 

Horizontal boring

  • Max facing capacity 1200mm
  • Max vertical travel 1600mm
  • Table size 2000 x 2000mm

Vertical Turning Lathes

  • A range of sizes up to:
  • Max Diameter above 3000mm
  • Max height 3000mms under cross rail

 

Milling and Surface Grinding

  • Table size 4270 x 2340mm
  • Max. Height 1800mm
  • Max stroke 4725mm

Cylindrical Grinding

  • Max. diameter 1500mms
  • Max length 4500mms

Lifting Capacity

  • Single lift 25 tonnes.