BOCHI CNC Flat bed Lathe SK40P /SK50P

Product description：

SK40P Series CNC lathes that spindle speed are changed mechanically in three gears together with control of a frequency changer. The lathe has 4 types (750, 1000, 1500, 2000). Equipped with 4-station (standard)/ 6-station turret (optional), the lathes are available for different cuttings. The sliding door ensures the operator’s safety. CNC systems such as GSK 980T,FANUC 0i TF（5）,etc. is provided on request. The lathes can perform internal and external cylindrical turning, arbitrary taper turning, arc turning, facing and threading. They are suitable for various middle or small batch production, especially for complicated and high accuracy workpieces.

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Specification

Item	SK40P				SK50P
Max. swing over bed (mm)	Φ400				Φ500
Max. swing over slide (mm)	Φ200				Φ280
Max. turning dia. (mm)	Φ400/350 *				Φ500/350 *
Max. work length (mm)	710/620; 960/870; 1460/1370; 1960/1870;2960/2870
Max. turning length (mm)	570/500; 820/750; 1320/1250; 1820/1750;2820/2750
Spindle taper hole (mm)	Φ77				Φ77
Spindle nose	ISO702/ⅠA2-8
Spindle speed (r/min)	3 gear stepless 21-1620
	H:162-1620 M:66-660 L:21-210
Taper hole of spindle	Metric 1:20
Max. output torque of spindle (N.m)	800
Max. rapid traverse (m/min)	X-axis: 6(See OPERATOR’S MANUAL---ELECTRICAL PARTS for details)
	Z-axis: 8(See OPERATOR’S MANUAL---ELECTRICAL PARTS for details)
Pitch of screw (mm)	X direction: 5 Z direction: 6
Capacity of turret	4(standard)/6(optional)
Width of tool block(mm)	162X162				200X200
Max. permissible tool section (mm ×mm)	25×25
Travel of turret (mm)	X direction: 300/235（6-station）
	Z direction: 600/850/1350/1850/2850
Dia. of tailstock quill (mm)	Φ75（Φ80 hyd. tailstock）
Taper of tailstock quill (MT No.)	MT No.5（MT No.3 hyd. tailstock with live spindle）
Max. travel of tailstock quill(mm)	150（130 hydraulic tailstock）
Cross travel of tailstock (mm)	±15
Main motor	7.5kW frequency inverting motor
Coolant pump	LDPB2-15 180W 3m3/h
V belt	B1829 4 pcs				B1905 4 pcs
Note *: data after “/” is for lathe equipped with horizontal 6-station turret (swing dia. of tool disk is assumed Φ360).
Dimension (L×W×H) mm× mm× mm	750	2450×1450×1670
	1000	2700×1450×1670
	1500	3200×1450×1670
	2000	3700×1450×1670
	3000	4700×1500×1690
Packing size (L×W×H) cm× cm× cm	750	308(325) **×186×225
	1000	313(330) **×186×225
	1500	363(380) **×186×225
	2000	413(430) **×186×225
	3000	504(536) **×186×230
Net weight of machine kg	Machine	750		1000	1500		2000	3000
		2050		2100	2150		2200	3500
Thru-hole of hollow chuck	-	Φ52（with reference to thru-hole of chuck）
Note **: data in parentheses is for lathe equipped with hydraulic station.
Accuracy	Excutive Standard		-			JB/T 8324.1-96
	Position Accuracy X/Z		mm			0.024/0.032(≤1000)、 0.036(1500)、 0.04(2000)
	Repeatable Position X/Z		mm			0.010/0.013(≤1000)、 0.016(1500)、 0.020(2000)
	Backlash X/Z		mm			0.011/0.016
	Roundness		mm			0.004