Features
| * Heavy duty 10-HP D1-8 spindle with 20” Swing | * Safety foot brake |
| * Hardened and ground Turcite® coated bed ways | * Safety chuck guard |
| * Hardened and ground gear | * Coolant pump standard |
| * 12-speed geared head spindle |
Specifications
| Capacity & Dimensions | GTW-20 |
| Swing over Bed | 20″ (510mm) |
| Center Height | 10″ (255mm) |
| Swing over Cross Slide | 13″ (330mm) |
| Swing thru Gap | 26 3/8″ (680mm) |
| Length of Gap in front of D1-8 face plate | 7 1/16″ (180mm) |
| Bed casting – width / height | 16 1/8″ / 12 7/32″ (400mm / 310mm |
| Spindle | |
| Spindle Motor Horsepower | 10 HP 3 Phase + : 1550 150 680 60 1100 100 |
| Spindle Speeds – 12 speeds 20 – 1550rpm (high to low) | – : 490 45 210 20 350 30 |
| Spindle Bore | 3 1/8″ (80mm) |
| Spindle Nose | D1-8 Cam lock |
| Spindle taper in Spindle Nose | MT-7 Morse Taper #7 |
| Spindle taper reduction sleeve provided | MT-7 to MT-5 |
| Carriage | |
| Cross Slide Travel | 12 1/2″ (320mm) |
| Cross Slide Width | 7 3/32″ (180mm) |
| Cross Slide Lead Screw Pitch | .200″ / rev |
| Cross Slide Resolution per division | 0.001″ (on diameters) |
| Carriage Lead Screw Diameter | 1 1/2″ (38mm) |
| Carriage Lead Screw Pitch | 4 TPI (6mm pitch) |
| Feed Rod Dimension | 7/8″ hexagon 23mm hexagon |
| Compound | |
| Compound Top Slide Travel | 10″ (255mm) |
| Compound Top Slide Width | 4 11/32″ (110mm) |
| Cutting Tool Height Maximum | 1.0″ x 1.0″ (25mm x 25mm) |
| Tailstock (2 speed quill advance) | |
| Quill Diameter | 2-15/16″ (255mm) |
| Quill Stroke | 6 5/16″ (160mm) |
| Quill Taper | MT-5 Morse Taper #5 |
| Quill Tang Drive and Drift-Slot for Tailstock | included |
| Tailstock Body set-over adjustment | ±0.04″ (±1mm) |
| Thread Cutting | |
| Leadscrew Diameter / Pitch | 1 1/2″ / 4 TPI 38mm / 6mm pitch |
| Thread Cutting Range – 60″ pitches | 2 – 112 TPI |
| Thread Cutting Range – 60 metric pitches | 0.2 –14mm |
| Thread Cutting Range – 50 diametral pitches | 4 –112 M.P. |
| Thread Cutting Range – 50 module pitches | 0.2 –7 M.P. |
| Feeds | |
| Feeds – Longitudinal – 50 Feeds | 0.0014″ – 0.0387”/rev. (0.037 – 1.04mm / rev) |
| Feeds – Cross – 50 Feeds | 0.0007″ – 0.01935″/rev. (0.0185 – 0.52mm/ rev) |
| Feed stop shaft | 4 adjustable automatic feed stops to disengage the longitudinal feed |
| Coolant Pump | 1/8 HP |
| Machine Power Requirements (440vac optional) | 220 vac / 3 Phase / 30 amps |
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