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UTG Series Broach Grinder

The Star UTG Series are CNC-driven universal tool grinders that are unsurpassed in versatility and performance. Available in four length variations from the UTG-600 through a UTG-2400, all our machines are built in the USA and are backed with the best warranty, service, and training in the industry.

Suited for Excellent Grinding

The UTG Series are suited for part lengths of 3mm to 2400mm (1/8” – 94”), suited for excellent grinding of:
  • Round Broaches
  • Flat Broaches
  • Straight Gash Hobs
  • Shaper Cutters
  • Spiral Broaches
  • Slab Mills
  • Rack Gear Cutters
  • Worm Gear Hobs

Standard Features Include:

FANUC 6-Axis CNC controller with digital servo motors

Solutions available for a wide range of applications

NDual-probe system for work piece and grinding wheel setup

Glass scales on all linear axes

Manual HSK wheel pack mounting

Standard and custom software

Movable A-Axis headstock for tools up to 3200 mm

Onboard programmable wheel truing

Fixed “A” Axis headstock and a movable tailstock for tools up to 3200 mm between centers

Optional Features:

  • Engineered tailstocks and steady rests
  • Grinding wheel auto-sticking capabilities for unmanned operations
  • Various coolant system and mist collecting options

Automation Specifications

Base Machine Dimensions (L x W x H) 5500 x 2300 x 2500 mm 18.2’ x 7.6’ x 8.4’
Total Weight: Base Machine 15,000 kg 33,000 lbs
Maximum Workpiece Diameter 305 mm 12 inches
Maximum Workpiece Length 3200 mm 126 inches
A - Axis Workhead Spindle 360° Rotation 60 rpm 60 rpm
B - Axis Grinding Spindle Swivel 180° Total 22 rpm 22 rpm
C - Axis Grinding Spindle Swivel +/- 30° 25 rpm 25 rpm
X - Axis Horizontal Travel 450 mm 17.7 inches
X - Axis Travel Speed 5000 mm/min 200 inches/min
Y - Axis Vertical Travel 400 mm 16 inches
Y - Axis Travel Speed 5000 mm/min 200 inches/min
Z - Axis Horizontal Travel 2680 mm 106 inches
Z - Axis Travel Speed 5000 mm/min 200 inches/min
Grinding Spindle Speed 10,000 rpm 10,000 rpm
Peak Spindle Horsepower 7 kw 10 hp
Maximum Grinding Wheel Diameter 203 mm 8 inches
Smallest Programmable Movement - Linear 0.0001 mm 0.000004 inches
Linear Axis Glass Scale Feedback Resolution 0.00254 mm 0.0001 inches
Smallest Programmable Movement - Rotary 0.0001 deg 0.0001 deg
Optional High Accuracy Encoder 0.000000536 deg 0.00000536 deg
Rotary Axis Feedback Resolution: A-axis 0.00000006 deg 0.0001 deg
Rotary Axis Feedback Resolution: B-axis 0.00000006 deg 0.00000006 deg

Star Cutter Company has developed into a world leader in the cutting tool industry. Each of our six manufacturing facilities specializes in producing a specific type of product or service: solid carbide cutting tools, carbide blanks and preforms, gundrills, gear cutting tools, and 5-axis CNC tool and cutter grinding machines.

23461 Industrial Park Drive
Farmington Hills, MI 48335

Tel. 248-474-8200
Fax. 248-474-9518