Wele launch UG-series of universal gantry-style 5-axis machines

Based on a high rigidity, overhead gantry design with a patented backlash elimination system and twin, Y-axis ballscrew drives for high precision five-axis and five-face machining, the Wele Universal Gantry UG-Series is available in capacities of 550mm by 700mm by 500mm (UG550) and 800mm by 950mm by 650mm (UG800).

As a result, technology transfer, build quality and reliability are assured. Included within the machine specification is Heidenhain linear scale feed-back for each axis and the special Wele developed high precision A-axis +30 to -120 deg trunnion.


This two-axis unit has some 6,000 Nm of torque available to drive the trunnion rotational axis which carries the C-axis 800 mm diameter rotary table. On the larger machine this table will accept loads up to 1 ton and rotate at up to 100 revs/min with the high torque drive developing up to 2,300 Nm. Each machine can be fitted as an option with a fixed rectangular table or either a single or smaller duplex C-axis rotary table. Rapid traverse rates are 48 m/min in each main axis with acceleration of 5 m/sec².

There is a choice of built-in spindles. As standard a 30 kW, 115 Nm, 14 000 revs/min unit is fitted, with the option of a 35 kW, 22,000 revs/min drive. An umbrella-style tool magazine holds 30 tools as standard with the option of 60 positions, and tool exchange can be made with the trunnion unit held in any working position.

Being of compact gantry design, floorspace demands are small with the larger UG800 requiring just 5m by 3.3m. Important in the machine design is a moveable roof which accommodates automation for loading, or allows overhead cranes to have a clear access for loading/unloading heavy components.

Control is via Heidenhain iTNC 530 or Fanuc 31iM-A5 available as an option.

For more information contact EDM Shop on TEL: 011 762 5231 or visit www.edmshop.co.za