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UB Series – the flexible 5-axis version

Photo: 2 axis milling head
The swivel axes A and C are fitted with torque motors for optimum dynamics.
Graphic: 2 axis milling head
2 axis milling head
Photo: UB-425 machine with cover open
UB-425
Technical Data UB-Series
Specification Unit UB-321 UB-421 UB-521 UB-325 UB-425 UB-525 UB-625
X travel (left & right) mm 3,060 4,060 5,060 3,060 4,060 5,060 6,060
Y travel (in & out) mm 2,150 2,150  2,150  2,550  2,550  2,550  2,550
Z travel (up & down) mm 800 standard, [1,000, 1,200, 1,400 option]
Table size (X direction) mm 3,000 4,000 5,000 3,000 4,000 5,000 6,000
Table size (Y direction) mm 2,000 2,000 2,000 2,400 2,400 2,400 2,400
Table load capacity kg 12,000 15,000 18,000 12,000 15,000 18,000 20,000
Spindle motor (cont./30 min. rating) kW 22 / 26 22 / 26 22 / 26 22 / 26 22 / 26 22 / 26 22 / 26
Spindle speed min-1 Built-in-spindle 12,000, 240 Nm
Spindle output torques Nm 626.2 / 740.1 at 6,000 min-1, 910 / 1,077 at 4,000 min-1 626.2 / 740.1 at 6,000 min-1, 910 / 1,077 at 4,000 min-1
Spindle taper   BT#50 (ISO 50) / DIN69871A (option) BT#50 (ISO 50) / DIN69871A (option)
A - axis travel ° +/- 110° +/- 110° +/- 110° +/- 110° +/- 110° +/- 110° +/- 110°
C-axis travel ° +/- 360° +/- 360° +/- 360° +/- 360° +/- 360° +/- 360° +/- 360°
Rapid traverse rate X axis mm/min 24,000 18,000 18,000 24,000 18,000 12,500 9,000
Rapid traverse rate Y, Z axes mm/min 20,000 / 15,000 20,000 / 15,000 20,000 / 15,000 20,000 / 15,000 20,000 / 15,000 20,000 / 15,000 20,000 / 15,000
Cutting feedrate (max) mm/min 1 – 10,000 1 – 10,000 1 – 8,000 1 – 10,000 1 – 10,000 1 – 8,000 1 – 8,000
Axial ball screw size:    
X axis (ø x pitch) mm 63 x 25 80 x 25 80 x 25 63 x 25 80 x 25 80 x 25 80 x 25
Y axis ( ø x pitch) mm 63 x 20 63 x 20 63 x 20 63 x 20 63 x 20 63 x 20 63 x 20
Z axis ( ø x pitch) mm 50 x 10 50 x 10 50 x 10 50 x 10 50 x 10 50 x 10 50 x 10
Axial motor power (X/Y/Z) kW 7 / 4 / 4 6 / 4 / 4 6 / 4 / 4 7 / 4 / 4 6 / 4 / 4 6 / 4 / 4 9 / 4 / 4
Tool magazine capacity (stations) pcs. 32 (60, 90, 120 option) 32 (60, 90, 120 option)
Max. tool diameter / adjacent pocket empty mm 127 / 215 127 / 215
Max. tool length (from gauge line) mm 400 400
Max. tool weight kg 20 20
Positioning accuracy (JIS 6338) mm ±0.015 / full travel ±0.015 / full travel
Positioning accuracy (VDI 3441) mm P 0.025 P 0.030 P 0.040 P 0.025/030 P 0.040/0.050
Repeatability (JIS 6338) mm ±0.003 ±0.003
Repeatability (VDI 3441) mm Ps 0.020 Ps 0.025 Ps 0.030 Ps 0.020 / 0.025 Ps 0.030 / 0.035
Axis guideways   Linear roller guides Linear roller guides
Machine weight kg 29,500 35,500 40,000 32,300 39,000 44,500 50,000