High-precision drilling machine Dixi 350 TPA

High-precision drilling machine 

Dixi 350 TPA

Year of construction 1984

CNC control DIXI CNC 4400

Working range and travel

  X-axis travel: 1000 mm 

  Y-axis travel: 1000 mm (with pallet changer: 880 mm) 

  Z-axis travel: 1000 mm 

  Distance spindle axis to table top: 0 – 1000 mm (with changer: 0 – 880 mm)

Worktable (turning table)

  Dimensions: 840 x 1000 mm (without changer) / 800 x 800 mm (with changer standard) 

  Max. table load: 2000 kg (with pallet changer: 1200 kg)

  Table rotation: 360° continuous; rapid traverse 1500°/min

  T-slots: 7 equally spaced slots, width 18 H7

Spindle

  Tool holder: ISO 50 (p. 1)

  Spindle speeds: continuously adjustable from 8 to 3000 RPM (in 3 ranges)

  Drive power: 11 kW (up to 13.75 kW with overload)

  Maximum torque: 200 kpm (at 125 – 1000 RPM) 

Traverse and accuracy

  Working travels (X, Y, Z): continuously adjustable 1 – 9999 mm/min 

  Rapid traverse (X, Y, Z): 9999 mm/min 

  Measurement system resolution: +/- 0.001 mm / 0.001° 

  Positioning accuracy: 0.001 mm / 0.001° 

General data

  Installed total power: 47 kW 

  Machine weight: approx. 17 t 

  Compressed air requirement: 6 bar 

Weight and power

  Machine weight: 17 t 

  Installed total power: 47 kW

Main dimensions (machine)

  Overall length (Z-axis): 4,835 mm 

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Overall width (X-direction): 4,160 mm

Overall height: 3,190 mm

Distance from table axis to spindle flange: 390 mm to 1,390 mm (without interchangeable spindle nose)

The high-precision drilling machine is used for precise machining of holes, fits and complex workpiece geometries with the highest requirements for dimensional accuracy and surface finish. It is mainly used in tooling and mold making, precision engineering, as well as in the aerospace and medical technology sectors.

Machine construction

The machine is designed as a highly rigid precision machine and essentially consists of:

• a vibration-reduced machine bed made of cast or mineral cast

• a precisely ground cross-table arrangement (X/Y axis)

• a vertical Z-axis (spindle stroke)

• optional a pinole (X axis) for fine drilling movements

All guides are manufactured as lapped sliding guides or high-precision linear guides and ensure maximum positioning accuracy.

Operating principle

The high-precision drilling machine operates on the principle of coordinate drilling:

  •  Positioning the workpiece via CNC or manual control

  •  high-precision delivery of the spindle

  •  Machining by drilling, reaming, honing or countersinking

Typical positioning accuracies in the range of a few micrometers.