Geminis semi heavy lathe

Geminis semi heavy lathes

The semi heavy-duty series of Geminis lathes are designed and built to provide solutions for machining all types of parts. With a two or four guideways bed type architecture, these machines combine high metal removal capabilities with high levels of accuracy, rigidity, and reliability.

STANDARD EQUIPMENT

- Bed with 2 or 4 box type guideways
- CNC Siemens, Fanuc or Fagor
- Headstock with 4 speed ranges with automatic change
- Automatic turret with 4 stations
- Motorized tailstock (except GT5 G2)
- Tailstock quill with live center built in
- Slides displacements by means of ballscrews (up to 8 m between centres)
- Longitudinal displacement with preloaded double pinion and rack (9-12 between centres)
- Measuring of cross slide displacement by means of digital scale
- Automatic lubrication
- Chips conveyor
- Coolant installation
- Portable electronic handwheel
- Maintenance tooling set

- Type: GT5 G2 | GT5 G4 | GT7 G2 | GT7 G4
- Swing over bed mm: 1200 | 1600
- Swing over cross slide mm: 850 | 900 | 1200 | 1200
- Distance between centres m: 1...12 | 1...12
- Main spindle bore diameter mm: 104 | 162
- Main spindle nose: D1N 55026-11 | 55026-15
- Spindle diameter on front bearing mm: 150 | 240
- Speed (ranges) min⁻¹: 0...1400 (4) | 0...800 (4)
- Main motor kW: 30 | 51
- Max. torque Nm: 4000 | 13,750
- Cross slide travel mm: 600 | 615 | 830 | 840
- Quill diameter mm: 160 | 220
- Quill travel mm: 300
- Bed width mm: 655 | 1000 | 905 | 1250
- Weight between centres Kg: 6000 | 12000

Spindle Bore Diameter mm: 162 | 230 | 322 | 360 | 412 | 525

Main Spindle Nose: DIN 55026-15 | 15 | 20 | 20 | 28 | 28

Spindle Diameter on Front Bearing mm: 220 | 280 | 394 | 432 | 480 | 650

Speed (Ranges) min⁻¹:  900 | 700 | 500 | 500 | 400 | 400

The heavy-duty series of Geminis lathes are designed and built to CE standards to meet the demands of a wide range of sectors, such as steel, rail, sea, wind, oil sector, etc. These lathes combine a high capacity of metal removal with high levels of accuracy, rigidity, and reliability.

**STANDARD EQUIPMENT**

- Bed with 2 or 4 box type guideways
- Siemens, Fanuc or Fagor numerical control
- Headstock with 4 speed range with automatic change
- Automatic 4 station turret
- Motorised tailstock
- Motorised quill with rotary centre built in and axial force measuring device
- Automatic locking of tailstock to bed (on GHT11 model)
- Movement of longitudinal slide with preloaded double pinion and rack
- Measuring of slides movement with optical digital scales
- Automatic lubrication
- Chips conveyor
- Coolant equipment
- Portable electronic handwheel
- Maintenance tooling set

- GMT7 | GMT11 | GHT7 | GHT11 | GHT12
- Swing over bed mm: 1300 | 1600 | 2400 | 2400 | 3500
- Swing over cross slide mm: 1000 | 1225 | 1320 | 1900 | 1950 | 2950
- Distance between centres m: 1...24 | 1...24 | 1...24
- Main spindle bore diameter mm: 104 | 150 | 162
- Main spindle nose: D1N 55026-11 | 55026-15 | 55026-20
- Spindle diameter on front bearing mm: 180 | 260 | 320
- Speed (ranges) min⁻¹: 0...800 (4) | 0...710 (4) | 0...550 (4)
- Main motor kW: 51 | 100 | 113
- Max. torque Nm: 13,750 | 22,000 | 54,000
- Cross slide travel mm: 680 | 830 | 1130 | 1130 | 1780
- Quill diameter mm: 220 | 320 | 400
- Quill travel mm: 250 | 350
- Bed width mm: 1000 | 1300 | 1450 | 2000 | 2900
- Weight between centres Kg: 12,000 | 25,000 | 35,000