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	ROUNDTOP MACHINERY INDUSTRIES CO., LTD. Il fatto che Roundtop ha avuto una crescita molto rapida perché il nostro stabilimento non ha cambiato la nostra visione che ogni giorno è una opportunità per il successo ancora maggiore.Nel 1979 siamo stati la produzione di un solo modello di fresatrice convenzionale .Ora siamo uno dei produttori più diversificato la produzione di centri di lavoro verticali , centri di lavoro orizzontali , centri di lavoro doppio colonna , Centri di lavoro Multi-Axis/5-Face , centri di tornitura verticale ad alta velocità centri di lavoro e torni CNC.
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ST-60	Please visit our on-line digital catalogs for details.
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Features

Operations of internal and external machining for turning, boring and facing both ends of medium or small size parts can be finished in one setting.
Save time on part loading, unloading and tool setting between two operations and increase productivities.
Second operation can be processed right after bar material being cut off.
Finished parts will be collected with programmable parts catcher (optional) automatically.
This lathe is one of the supreme efficient productive machines.

ITEM / MODEL		ST-60
		A	B	C
Swing Over Bed (mm)		790 (31.1")	790 (31.1")	790 (31.1")
Swing Over Cross Side (mm)		600 (23.6")	600 (23.6")	600 (23.6")
Chuck Size (mm)		304 (12") (Std.) 381 (15") (Opt.)	381 (15") (Std.) 450 (18") (Opt.)	510 (20.1") (Std.) 610 (24") (Opt.)
Bar Capacity (mm)		91 (3.6") (Std.) 102 (4") (Opt.)	116 (4.6")	139 (5.5")
Spindle Nose		A2-8 / A2-11 (Opt.)	A2-11	A2-15
Spindle Bore (mm)		115 (4.5")	132.5 (5.2")	152 (6")
Spindle Speed, Step (s)		Auto Hi-Lo	Auto 4 speeds	Auto 4 speeds
Spindle Speed Range (rpm)		3000 for 12" (91) chuck 2800 for 12" (102) chuck 2500 for 15" (102) chuck	2000	1500 (Std.) 1400 (Opt.)
Spindle Motor (kW) (30 min/con.)		22 / 26	22 / 26 (Std.) 30 / 37 (Opt.)	30 / 37 (Std.) 37 / 45 (Opt.)
Spindle Bearing Diameter (mm)		160 (6.3")	180 (7.1")	200 (7.9")
No. Of Tools		12
Cross Travel (X-Axis) (mm)		320 (12.6")
Y-Axis Travel (Opt.) (mm)		75 (3")
Longitudinal Travel (Z-Axis) (mm)		800 / 1200 / 1600 (31.5" / 47.2" / 63")
Rapid Traverse (m/min)		X:15 Y:10 Z:18
Tailstock Travel (mm)		500 / 900 / 1300 (19.7" / 35.4" / 51.2")
Tailstock Quill Travel (mm)		125 (4.9")
Tailstock Quill Diameter (mm)		125 (4.9")
Tailstock Spindle Taper		MT #5
Servo Motor (X-Axis) (kW)		4
Servo Motor (Y-Axis) (Opt.) (kW)		3
Servo Motor (Z-Axis) (kW)		4
Bed Inclination		60
Weight (kg)		11000 / 12000 / 13100 (24200 / 26400 / 28820)	11000 / 12100 / 13200 (24200 / 26620 / 29040)	11150 / 13150 / 13250 (24530 / 28930 / 29150)
Machine Dimensions (mm)	W x H	2270 x 2765 (89.4" x 108.9") 2290 x 2765 (90.2" x 108.9") (for ST-70)
	L	5132 / 5532 / 5932 (202" / 217.8" / 233.5")

ITEM / MODEL		ST-60
		AH	BH	CH
Swing Over Bed (mm)		920 (36.2")	920 (36.2")	920 (36.2")
Swing Over Cross Slide (mm)		700 (27.6")	700 (27.6")	700 (27.6")
Chuck Size (mm)		304 (12") (Std.) 381 (15") (Opt.)	381 (15") (Std.) 450 (18") (Opt.)	510 (20.1") (Std.) 610 (24") (Opt.)
Bar Capacity (mm)		91 (3.6") (Std.) 102 (4") (Opt.)	116 (4.6")	139 (5.5")
Spindle Nose		A2-8 / A2-11 (Opt.)	A2-11	A2-15
Spindle Bore (mm)		115 (4.5")	132.5 (5.2")	152 (6")
Spindle Speed, Step (s)		Auto Hi-Lo	Auto 4 speeds	Auto 4 speeds
Spindle Speed Range (rpm)		3000 for 12" (91) chuck 2800 for 12" (102) chuck 2500 for 15" (102) chuck	2000	1500 (Std.) 1400 (Opt.)
Spindle Motor (kW) (30 min/con.)		22 / 26	22 / 26 (Std.) 30 / 37 (Opt.)	30 / 37 (Std.) 37 / 45 (Opt.)
Spindle Bearing Diameter (mm)		160 (6.3")	180 (7")	200 (7.9")
No. Of Tools		12
Cross Travel (X-Axis) (mm)		370 (14.6")
Y-Axis Travel (Opt.) (mm)		75 (3")
Longitudinal Travel (Z-Axis) (mm)		800 / 1200 / 1600 (31.5" / 47.2" / 63")
Rapid Traverse (m/min)		X:15 Y:10 Z:18
Tailstock Travel (mm)		500 / 900 / 1300 (19.7" / 35.4" / 51.2")
Tailstock Quill Travel (mm)		125 (4.9")
Tailstock Quill Diameter (mm)		125 (4.9")
Tailstock Spindle Taper (kW)		MT #5
Servo Motor (X-Axis) (kW)		7
Servo Motor (Y-Axis) (Opt.) (kW)		3
Servo Motor (Z-Axis) (kW)		7
Bed Inclination		60
Weight (kg)		11000 / 12100 / 13200 (24200 / 26620 / 29040)	11200 / 12200 / 13300 (24640 / 26840 / 29260)	11250 / 13250 / 13350 (24750 / 29150 / 29370)
Machine Dimensions (mm)	W x H	2270 x 2765 (89.4" x 108.9") 2290 x 2765 (90.2" x 108.9") (for ST-70)
	L	5132 / 5532 / 5932 (202" / 217.8" / 233.5")

ITEM / MODEL		ST-60
		AX	BX	CX
Swing Over Bed (mm)		1020 (40.2")	1020 (40.2")	1020 (40.2")
Swing Over Cross Slide (mm)		800 (31.5")	800 (31.5")	800 (31.5")
Chuck Size (mm)		304 (12") (Std.) 381 (15") (Opt.)	381 (15") (Std.) 450 (18") (Opt.)	510 (20.1") (Std.) 610 (24") (Opt.)
Bar Capacity (mm)		91 (3.6") (Std.) 102 (4") (Opt.)	116 (4.6")	139 (5.5")
Spindle Nose		A2-8 / A2-11 (Opt.)	A2-11	A2-15
Spindle bore (mm)		115 (4.5")	132.5 (5.2")	152 (6")
Spindle Speed, Step (s)		Auto Hi-Lo	Auto 4 speeds	Auto 4 speeds
Spindle Speed Range		3000 for 12" (91) chuck 2800 for 12" (102) chuck 2500 for 15" (102) chuck	2000	1500 (Std.) 1400 (Opt.)
Spindle Motor (kW) (30 min/con.)		22 / 26	22 / 26 (Std.) 30 / 37 (Opt.)	30 / 37 (Std.) 37 / 45 (Opt.)
Spindle Bearing Diameter (mm)		160 (6.3")	180 (7.1")	200 (7.9")
No. Of Tools		12
Cross Travel (X-Axis) (mm)		420 (16.5")
Y-Axis Travel (Opt.) (mm)		75 (3")
Longitudinal Travel (Z-Axis) (mm)		800 / 1200 / 1600 (31.5" / 47.2" / 63")
Rapid Traverse (m/min)		X:12 Y:10 Z:16
Tailstock Travel (mm)		500 / 900 / 1300 (19.7" / 35.4" / 51.2")
Tailstock Quill Travel (mm)		125 (4.9")
Tailstock Quill Diameter (mm)		125 (4.9")
Tailstock Spindle Taper		MT #5
Servo Motor (X-Axis)		7
Servo Motor (Y-Axis) (Opt.)		3
Servo Motor (Z-Axis)		7
Bed Inclination		60
Weight (kg)		11200 / 12200 / 13300 (24640 / 26840 / 29260)	11300 / 12300 / 13400 (24860 / 27060 / 29480)	11350 / 13350 / 13450 (24970 / 29370 / 29590)
Machine Dimensions (mm)	W x H	2270 x 2765 (89.4" x 108.9") 2290 x 2765 (90.2" x 108.9") (for ST-70)
	L	5132 / 5532 / 5932 (202" / 217.8" / 233.5")

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