Specification parameter

Items	Specification	Unit	C6241	C6246	C6251	C6256
Processing capacity	Max. swing over bed	mm	410	460	510	560
	Max. swing over cross slide	mm	224	274	305	335
	Max. swing overgap diameter	mm	640	690	735	785
	Effective length in gap	mm	165		200
	Distance between centers	mm	1000/1500/2000		1000/1500/2000/3000
	Width of bed	mm	350		350
Headstock	Spindle bore	mm	58		80
	Spindle nose	/	ISO-D6		ISO-D8
	Spindle taper	/	MT6		MT7
	Range of spindle speed	r/min	12steps, 25-2000		12steps, 25-1600
Feed box	Longitudinal metric feeds	mm/rev	42kinds, 0.031-1.7		35kinds, 0.059-1.646
	Longitudinal inch feeds	inc/rev	42kinds, 0.0011-0.0663		35kinds, 0.0022-0.0612
	Cross metric feeds	mm/rev	42kinds, 0.014-0.784		35kinds, 0.020-0.573
	Cross metric feeds	inc/rev	42kinds, 0.00033-0.01873		35kinds, 0.00048-0.01354
	Metric threads range	mm	41kinds, 0.1-14		47kinds, 0.2-14
	Inch threads range	/	60kinds, 2-112T.P.I		60kinds, 2-112T.P.I
	Moudle threads range	/	34kinds 0.1-7M.P.		39kinds 0.1-7M.P.
	Diametral threads range	/	50kinds 4-112D.P.		50kinds 4-112D.P.
Carriage	Max. Travel of top slide	mm	120		130
	Max. Traval of cross slide	mm	290		316
	Max. section of of tool	mm	25*25		25*25
Tailstock	Quill diameter	mm	60		75
	Quill taper	/	MT4		MT5
	Quill travel	mm	128		180
Motor	Main motor power	kw	5.5		7.5
	Coolant pump motor	W	90		90
Packing size	Center Distance (1000mm)	cm	230112175		245112178
	Center Distance (1500mm)		295112175		295112178
	Center Distance (2000mm)		280112175		345112178
Net /gross	Center Distance (1000mm)	kg	1650/1850	1700/1900	2050/2300	2150/2400
	Center Distance (1500mm)		1800/2050	1850/2100	2150/2450	2250/2550
	Center Distance (2000mm)		1950/2250	2000/2300	2450/2800	2550/2900

Feature

● The surface of the bedways is supersonic frequency hardened and precision grinding.
● Headstock gears precisely ground and hardened to reduce noise.
● Intergrated stand keep the machine in high work rigidity.
● Variable speed model for optional.

Specification parameter

Specification	C6266A	CQ6280	Unit
Swing over bed	660	800	mm
Swing over cross slide	440	570	mm
Swing in gap diameter	900	1035	mm
Distance between centers	1500,2000,3000	1500,2000,3000	mm
Valid length of gap	250	250	mm
Width of bed	400	400	mm
Spindle nose	D1-8	D1-8	-
Spindle bore	105	105	mm
Taper of spindle bore	113	113	-
Range of spindle speed	25~1600	25~1600	r/min
Compound rest travel	230	230	mm
Cross slide travel	368	420	mm
Max.section of tool	25*25	25*25	mm
Lead screw thread	12 mm or 2T.P.I	12 mm or 2T.P.I	-
Longitudinal feeds range	0.044~1.48	0.044~1.48	mm/rev
Cross feeds range	0.022~0.74	0.022~0.74	mm/rev
Threads metric pitches	54 kinds,0.45~120	54 kinds,0.45~120	mm
Threads imperial pitchcs	54 kinds,7/16~80T.P.I	54 kinds,7/16~80T.P.I	-
Threads diametral pitches	54 kinds,7/8~160dp	54 kinds,7/8~160dp	-
Threads module pitches	46 kinds,0.25~60MP	46 kinds,0.25~60MP	-
Quill diameter	90	90	mm
QuillI travel	235	235	mm
Quill taper	No.5 Morse	No.5 Morse
Main motor power	7.5(10HP) 3PH	7.5(10HP) 3PH	Kw
Coolant oump power	0.1(1/8HP) 3PH	0.1(1/8HP) 3PH	Kw
Overall dimension(LxWxH)	321123160 371123160 471123160	321123167 371123167 471123167	cm
Packing size(LxWxH)	324114184 374114184 474114184	324114191 374114191 474114191	cm
Net weight	3065/3345/3710	3175/3455/3820	Kg
Gross weight	3535/3835/4310	3695/4005/4495	Kg