UNI Series for Production Drilling

Production deep hole drilling applications are handled with confidence on UNI series machines, built for high accuracy at high volumes, and configurable to build the ideal solution for these demanding applications. UNI machines make the most impact with the least cost by intelligently combining proven components with valuable technologies, developed through our own expertise, and tailored to your drilling needs.

UNI series machines have an impressive range of capabilities, including options for gundrilling, BTA drilling, or a combination, and often integrate automation such as conveyors and robotic technology for optimum production. UNI machines offer generous versatility, and operate as part of an entire system, with tooling, automation, coolant systems, and UNISIG process development and training for long term success.

DescriptionUNI-6UNI-12UNI-20UNI-25UNI-38UNI-50
Tooling TypeGundrillGundrillGundrillGundrill, BTA optionGundrill, BTA optionBTA, Gundrill option
No. of Spindles1 to 41 to 41 to 41 to 41 to 41,2
Max drilling diameter6 mm12 mm20 mm25 mm38 mm50 mm
Max counterbore diameter65 mm
Drilling depths150 mm

250 mm

500 mm

500 mm

750mm

1,000 mm

500 mm

750mm

1,000 mm

750 mm

1,000 mm

1,500 mm

1,000 mm

1,500 mm

2,000 mm

1,000 mm

1,500 mm

2,000 mm

3,000 mm

DescriptionUNI-6UNI-12UNI-20UNI-25UNI-38UNI-50
Tooling Type (Option)GundrillGundrillGundrillGundrill, BTA optionGundrill, BTA optionBTA, Gundrill option
No. of Spindles1 to 41 to 41 to 41 to 41 to 41,2
Max drilling diameter0.25 in0.50 in0.80 in1.00 in1.50 in2.00 in
Max counterbore diameter2.50 in
Drilling depths6.0 in

10.0 in

20.0 in

20.0 in

30.o in

40.0 in

20.0 in

30.0 in

40.0 in

30.0

40.0

60.0 in

40.0

60.0

80.0 in

40.0 in

60.0 in

80.0 in

120.0 in

UNI Machine Examples

UNI-6-150-4i

This example UNI machine performs high accuracy gundrilling of small parts with multiple off-center and angled holes from 0.7 mm to 6 mm [0.03 – 0.25 in] diameter, up to 150 mm [6.00 in] deep.

Features:
  • Integral motor spindles for high speed drilling
  • Independent drilling modules for sequential or simultaneous operation
  • Tray handling conveyor and robot to automate non-uniform workpiece transfer
  • Very high dimensional accuracy of difficult to drill holes
  • Exceptional process reliability for critical, small-diameter deep holes
UNI-6-150-4i Specifications
Number of spindles4
Minimum drilling diameter0.03 in
Maximum drilling diameter0.24 in
Drill depth shown6.0 in
Drill depths available6.0 in
10.0 in
20.0 in
Tool spindle power (480v)2 hp
Tool spindle speed20,000 rpm
UNI-6-150-4i Specifications
Number of spindles4
Minimum drilling diameter0.70 mm
Maximum drilling diameter6.00 mm
Drill depth shown150 mm
Drill depths available150 mm
250 mm
500 mm
Tool spindle power (480v)1.5 kw
Tool spindle speed20,000 rpm
multi spindle gundrilling cell
multi spindle independent spindle drilling machine
robot and conveyor automation for drilling machine

UNI-12-4-750-CR

This example UNI machine performs high volume production gundrilling of shafts with very straight holes from 3 to 12 mm [0.12 to 0.50 in] diameter, up to 750 mm [30.0 in] deep.

Features:
  • Counter-rotation for minimized centerline drift and high concentricity
  • Programmable workpiece headstock position and clamping force
  • Automatic loading system, adjustable for workpiece length and diameter
  • Compact construction for installation in a CNC machining cell or larger integrated drilling system
UNI-12-4-750-CR Specifications
Number of spindles4
Minimum drilling diameter0.12 in
Maximum drilling diameter0.50 in
Drill depth shown30.0 in
Drill depths available20.0 in
30.0 in
40.0 in
Tool spindle power (480v)3 hp
Tool spindle speed12,000 rpm
Work spindle power (480v)1 hp
Work spindle speed2,000 rpm
UNI-12-4-750-CR Specifications
Number of spindles4
Minimum drilling diameter3.00 mm
Maximum drilling diameter12.0 mm
Drill depth shown750 mm
Drill depths available500 mm
750 mm
1,000 mm
Tool spindle power (480v)2.2 kw
Tool spindle speed12,000 rpm
Work spindle power (480v)0.8 kw
Work spindle speed2,000 rpm
multi spindle drilling machine
drilling machine coolant system

UNI-25BTA-4-750-CR

This example UNI machine is a high power four-spindle machine for production BTA drilling of holes from 12 mm to 25 mm [0.47 to 1.00 in] diameter, up to 750 mm [30.0 in] deep.

Features:
  • Ultra-high feed rates using BTA tooling
  • Hydraulic clamping chucks for increased driving torque with high performance tools
  • Servo driven loader for automatic workpiece diameter adjustment
  • Cell integrated, robot ready design
UNI-25BTA-4-750-CR Specifications
Number of spindles4
Minimum drilling diameter0.47 in
Maximum drilling diameter1.00 in
Drill depth shown30.0 in
Drill depths available30.0 in
40.0 in
60.0 in
Tool spindle power (480v)19 hp
Tool spindle speed3,000 rpm
Work spindle power (480v)5 hp
Work spindle speed500 rpm
UNI-25BTA-4-750-CR Specifications
Number of spindles4
Minimum drilling diameter12.0 mm
Maximum drilling diameter25.0 mm
Drill depth shown750 mm
Drill depths available750 mm
1,000 mm
1,500 mm
Tool spindle power (480v)15 kw
Tool spindle speed3,000 rpm
Work spindle power (480v)3.7 kw
Work spindle speed500 rpm
shotgun industry manufacturing cell
multiple spindle automated drilling machine
multi spindle drilling machine detail

UNI-50BTA-1500-CR

This example UNI machine is a versatile, high precision machine for centerline bores up to 65 mm [2.6 in] diameter, and 1,500 mm [59 in] deep, in the toughest materials using both gundrill and BTA tools.

Features:
  • Rapid changeover from BTA to gundrill tooling
  • Counter-rotation for minimized centerline drift
  • High precision zero endplay spindles for bottom forcing operations
  • Preloaded ballscrew drives for precise depth control
  • Process monitoring and graphical display of critical information
  • Automatic process interruption for unattended operation
UNI-50BTA-1500-CR Specifications
Tooling typeGundrill and BTA
Minimum drilling diameter0.31 in
Maximum drilling diameter1.97 in
Max counterbore diameter2.56 in
Drill depth shown59.0 in
Drill depths available40.0 in
60.0 in
80.0 in
120.0 in
Tool spindle power (480v)38 hp
Tool spindle speed3,000 rpm
Work spindle power (480v)27 hp
Work spindle speed1,000 rpm
UNI-25BTA-4-750-CR Specifications
Tooling typeGundrill and BTA
Minimum drilling diameter8.00 mm
Maximum drilling diameter50.0 mm
Max counterbore diameter65.0 mm
Drilling depth shown1,500 mm
Drill depths available1,000 mm
1,500 mm
2,000 mm
3,000 mm
Tool spindle power (480v)28 kw
Tool spindle speed3,000 rpm
Work spindle power (480v)20 kw
Work spindle speed1,000 rpm
bta and gundrill combination machine
cam shafts gundrilling
deep hole drilling coolant system

UNI Machine Recommendations