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Description
The Chieftain VS Lathe is a precision lathe. With rigid construction, digital readout, and induction hardened bedways.
| Model | 1640VS | 1660VS | 1840VS | 1860VS | 1880VS |
| Max.swing over bed | 400mm | 400mm | 460mm | 460mm | 460mm |
| Max.swing over cross slide | 250mm | 250mm | 290mm | 290mm | 290mm |
| Max. swing over gap | 660mm | 660mm | 700mm | 700mm | 700mm |
| Distance between centers | 1000mm | 1500mm | 1000mm | 1500mm | 2000mm |
| Bed width | 336mm | 336mm | 336mm | 336mm | 336mm |
| Headstock | |||||
| Spindle bore | 80mm | 80mm | 80mm | 80mm | 80mm |
| Spindle mount | D1-8 | D1-8 | D1-8 | D1-8 | D1-8 |
| Taper bore of spindle | MT-7 | MT-7 | MT-7 | MT-7 | MT-7 |
| Steps of spindle speed | 2 | 2 | 2 | 2 | 2 |
| Range of spindle speed | 40-250, 250-1800 rpm | 40-400, 200-2000 rpm | 40-250 ~250-1800rpm | 40-400, 200-2000 rpm | 40-400, 200-2000 rpm |
| Gearbox | |||||
| Range of longitudinal feeds | 0.04-2.46mm | 0.04-2.46mm | 0.041-2.476mm/rev | 0.04-2.46mm | 0.04-2.46mm |
| Range of cross feeds | 0.02-1.23mm | 0.02-1.23mm | 0.016-0.991mm/rev | 0.02-1.23mm | 0.02-1.23mm |
| Number of inch threads | 61 | 61 | 61 | 61 | 61 |
| Range of inch threads | 1-5/8 – 72 T.P.I. | 1-5/8 – 72 T.P.I. | 1.625-72tpi (65 steps) | 1-5/8 – 72 T.P.I. | 1-5/8 – 72 T.P.I. |
| Number of metric threads | 24 | 24 | 24 | 24 | 24 |
| Range of metric threads | 0.5-20mm | 0.5-20mm | 0.5-20mm (23 steps) | 0.5-20mm | 0.5-20mm |
| Number of D.P threads | 45 | 45 | 45 | 45 | 45 |
| Range of D.P threads | 96-3 1/4D.P | 96-3 1/4D.P | 3.625-96dp (45 steps) | 96-3 1/4D.P | 96-3 1/4D.P |
| Number of module threads | 20 | 20 | 20 | 20 | 20 |
| Range of module threads | 0.25-10M.Pmm | 0.25-10M.Pmm | 0.25-10mp (24 steps) | 0.25-10M.Pmm | 0.25-10M.Pmm |
| Carriage | |||||
| Max.Tool size | 25x25mm | 25x25mm | 25x25mm | 25x25mm | 25x25mm |
| Max.compound slide travel | 130mm | 130mm | 130mm | 130mm | 130mm |
| Max.cross slide travel | 280mm | 280mm | 280mm | 280mm | 280mm |
| Tailstock | |||||
| Tailstock sleeve travel | 130mm | 130mm | 130mm | 130mm | 130mm |
| Taper in tailstock sleeve | MT-4 | MT-4 | MT-5 | MT-4 | MT-4 |
| Main motor | 5.5kw (7.5HP) | 5.5kw (7.5HP) | 5.63kW (7.5hp) | 5.5kw (7.5HP) | 5.5kw (7.5HP) |
| Net weight | 2300kg | 2600kg | 2688kg | 2650kg | 3000kg |
| Model | 2260VS | 2280VS |
| Centre Height | 280mm | 280mm |
| Swing over Bed | 560mm | 560mm |
| Distance between Centres | 1500mm | 2000mm |
| Max. Turning Length | 1330mm | 1830mm |
| Swing over Cross Slide | 360mm | 360mm |
| Swing in Gap | 770mm | 770mm |
| Gap Length in Front of Face Plate | 230mm | 230mm |
| Cross Slide Travel | 310mm | 310mm |
| Top Slide Travel | 145mm | 145mm |
| Bed | ||
| Width | 405mm | 405mm |
| Max. Weight of Work Piece in Chuck | 300kg | 300kg |
| Max. Weight of Work Piece between Centres | 600kg | 600kg |
| Headstock | ||
| Spindle Nose | D1-8 | D1-8 |
| Spindle Bore | 105mm | 105mm |
| Spindle Taper | 113mm 1:20 | 113mm 1:20 |
| Number of Spindle Speeds | 3 steps | 3 steps |
| Range of Spindle Speeds | 23-150 150-433 433-1300rpm | 23-150 150-433 433-1300rpm |
| Tool Section | 25 x 25mm | 25 x 25mm |
| Tailstock | ||
| Quill Diameter | 75mm | 75mm |
| Quill Travel | 150mm | 150mm |
| Quill Internal Taper | MT5 | MT5 |
| Feeds Range and Gearbox | ||
| Longitudinal Feeds | 0.063-2.52mm/r | 0.063-2.52mm/r |
| Cross Feeds | 0.027-1.07mm/r | 0.027-1.07mm/r |
| Metric Threads | 1-14mm (22 steps) | 1-14mm (22 steps) |
| Imperial Threads | 28-2tpi (26 steps) | 28-2tpi (26 steps) |
| Module Threads | 0.5-7mp (18 steps) | 0.5-7mp (18 steps) |
| Diametrical Threads | 56-4dp (24 steps) | 56-4dp (24 steps) |
| Leadscrew Pitch | 12mm | 12mm |
| Rapid feed: Longitudinal/Cross | 1.9, 4.5m/min | 1.9, 4.5m/min |
| Rapid Travel | ||
| Cross | 1900mm/min | 1900mm/min |
| Longitudinal | 4500mm/min | 4500mm/min |
| Motors | ||
| Main Motor | 7.5kW (10.05hp) | 7.5kW (10.05hp) |
| Coolant Pump Motor | 0.09kW (0.13hp) | 0.09kW (0.13hp) |
| Rapid Feed Motor | 370w (0.5hp) | 370w (0.5hp) |
| Available Power Supply | 3 Phase | 3 Phase |
| Weight and Dimensions | /td> | |
| Machine Dimensions | 3000 x 1100 x 1350mm | 3500 x 1100 x 1350mm |
| Net Weight | 2650kg | 2900kg |
| Model | 2640VS | 2660VS | 2680VS | 26120VS |
| Capacity | ||||
| Max.swing over bed | Ф660mm | Ф660mm | Ф660mm | Ф660mm |
| Max.swing over carriage | Ф420mm | Ф420mm | Ф420mm | Ф420mm |
| Max. swing over gap | Ф870mm | Ф870mm | Ф870mm | Ф870mm |
| Bed width | 405mm | 405mm | 405mm | 405mm |
| Effective length of gap | 230mm | 230mm | 230mm | 230mm |
| Distance between centers | 1000mm | 1500mm | 2000mm | 3000mm |
| Max turning length | 830mm | 1330mm | 1830mm | 2830mm |
| Spindle | ||||
| Spindle nose | D8 | D8 | D8 | D8 |
| Spindle bore | Ф105mm | Ф105mm | Ф105mm | Ф105mm |
| Taper bore of spindle | Ф113mm 1:20 | Ф113mm 1:20 | Ф113mm 1:20 | Ф113mm 1:20 |
| Range of spindle speed | 23~150 150~433 433~1300rpm | 23~150 150~433 433~1300rpm | 23~150 150~433 433~1300rpm | 23~150 150~433 433~1300rpm |
| Feed | ||||
| Range of longitudinal feeds | 0.063~2.52 (0.023″~0.937″)mm | 0.063~2.52 (0.023″~0.937″)mm | 0.063~2.52 (0.023″~0.937″)mm | 0.063~2.52 (0.023″~0.937″)mm |
| Range of cross feeds | 0.027~1.07(0.010″~0.404″)mm | 0.027~1.07(0.010″~0.404″)mm | 0.027~1.07(0.010″~0.404″)mm | 0.027~1.07(0.010″~0.404″)mm |
| Rapid Travel | ||||
| Longitudinal | 4500mm/min | 4500mm/min | 4500mm/min | 4500mm/min |
| Cross | 1900mm/min | 1900mm/min | 1900mm/min | 1900mm/min |
| Thread Range/Number | ||||
| Metric pitch threads | 1~14mm/ 22 | 1~14mm/ 22 | 1~14mm/ 22 | 1~14mm/ 22 |
| Whit-worth threads | 28~2TPI/ 26 | 28~2TPI/ 26 | 28~2TPI/ 26 | 28~2TPI/ 26 |
| Module threads | 0.5~7MP/ 18 | 0.5~7MP/ 18 | 0.5~7MP/ 18 | 0.5~7MP/ 18 |
| D.P.Threads | 56~4DP/ 24 | 56~4DP/ 24 | 56~4DP/ 24 | 56~4DP/ 24 |
| Tailstock Sleeve | ||||
| Taper bore | 150(5~29/32″)mm | 150(5~29/32″)mm | 150(5~29/32″)mm | 150(5~29/32″)mm |
| Max.travel | 150(5~29/32″)mm | 150(5~29/32″)mm | 150(5~29/32″)mm | 150(5~29/32″)mm |
| External diameter | Ф75(2~61/64″)mm | Ф75(2~61/64″)mm | Ф75(2~61/64″)mm | Ф75(2~61/64″)mm |
| Others | ||||
| Size of tool shank | 360mm | 360mm | 360mm | 360mm |
| Max.travel of top slide | 145mm | 145mm | 145mm | 145mm |
| Main motor power | 7.5kw | 7.5kw | 7.5kw | 7.5kw |
STANDARD ACCESSORIES:
• Digital Read Out (2260-2280VS)
• 3-Jaw Chuck
• 4-Jaw Chuck
• 2-Axis Digital Readout (1640-1880VS, 2640-26120VS)
• Manual Tailstock (2260-2280VS)
• Dead Centre (2260-2280VS)
• One Piece Cast Iron Base (2260-2280VS)
• Lamp
• Toolpost Guard (2260-2280VS)
• Fixed steady
• Travelling Steady
• Full Length Rear Splash Guard (2260-2280VS)
• Coolant System
• Chuck & Leadscrew Guard
• Live Centre (1640-1880VS, 2640-26120VS)
• Steel Centres
• Reducing Sleeve
• Foot Brake
• Quick Change Tool post
• Thread Chasing Dial (2260-2280VS)
• One Position Micrometer Bed Stop (2260-2280VS)
• Automatic Carriage Stop (2260-2280VS)
• Tool Box (2260-2280VS)
• Operation Manual
OPTIONAL ACCESSORIES:
• Thread Chasing Dial (1640-1880VS, 2640-26120VS)
• Taper Turning Attachment (1640-1880VS, 2640-26120VS)
• Live Centre (1640-1880VS, 2640-26120VS)
