Feature

All castings are properly stabilized and stress relieved.

Bed ways are hardened & ground to min. HS-70.

Turcite B coating between the bed and carriage.

Extremely low noise level.

Foot brake pedal provided.

Built-in coolant pump & fitting provided.

CSS (constant surface speed control) on request for E.V.S. model.

Wider bed way which give absorbs vibration.

Specifications

MODEL			CH-2660V / 2690V / 26120V 26160V / 26200V

Capacity
Height of centers			660 mm (26")
Swing over bed			Ø892 mm (35.11")
Swing in gap			Ø445 mm (17.51")
Swing over cross slide			270 mm (10.63")
Distance between centers			1500 mm (60"), 2300 mm (90"), 3000 mm (120"), 4000 mm (160"), 5000 mm (200")
Width of bed			400 mm (15.75")
Headstock and Main Spindle

Spindle nose, internal taper			D1-11
Spindle center sleeve			MT#7 x MT#5
Spindle bore			Ø104 mm (4.094")
Spindle speed: Gear steps / Range			4 steps (60 Hz) N1: 20 ~ 109 rpm; N2: 45 ~ 240 rpm; N3: 140 ~ 740 rpm; N4: 310 ~ 1600 rpm
Carriage
Cross slide travel			400 mm (15.75")
Top slide travel			228 mm (8.98")
Threads and Feeds
Whitworth threads: Kinds / Range			44 Kinds / 2 ~ 72 T.P.I.
Metric threads: Kinds / Range			39 Kinds / 0.2 ~ 14 mm
D.P. threads: Kinds / Range			Ø45 mm (1.77")
M.P. threads: Kinds / Range			4 TPI, P = 6 mm
Longitudinal feeds			Metric: 0.035 ~ 0.98 mm / rev; INCH: 0.0012 ~ 0.039 / rev
Cross feeds			Metric: 0.011 ~ 0.296 mm / rev; INCH: 0.0004 ~ 0.0117 / rev
Tailstock
Quill diameter			Ø80 mm (3.15")
Quill travel			250 mm (10")
Taper of center			MT 5
Motor
Main spindle			15 HP (11.25 kW) Motor + 20 HP (15 kW) Inverter
Forced lubrication for HD			-
Coolant pump			1/8 HP
Measurement
Weight (Net)			2950 kg
Weight (Gross)			3400 kg, 3635 kg, 4240 kg, 4690 kg
Packing sizes Length			3255 mm (128.14") / 4055 mm (159.64") / 4755 mm (187.2") / 5755 mm (226.57") / 6755 mm (265.94")
Width x Height			Width: 1150 mm (45.27"); Height: 1700 mm (66.9")