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Home > CNC Lathe > PROKING MACHINERY CO., LTD. > Specification


	PROKING MACHINERY CO., LTD. All Proking lathes feature heavy duty rigid design and construction for years of superior accuracy and trouble-free performance. Ruggedly constructed throughout assures optimum stability especially when performing heavy cutting. For, over the years, Proking heavy duty lathes have won a good reputation in heavy duty cutting capability, stability and long-term accuracy. All these combined with Proking's tradition of rigorous quality, have established Proking as a leader in the field of heavy duty lathes.
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Features

60 slant bed construction ensures maximum stability and convenient chips disposal.
Powerful spindle motor. High torque output at low speed is excellent for heavy duty machining.
Fast tool change in only 1 second.
Programmable tailstock for convenient operation.
Fully enclosed splash guard provides operation safety.
Bed is manufactured from Meehanite cast iron.
High precision ball screw assures backlash free transmission.
Bed slideways are protected by telescopic guard.
Bed slideways are hardened, precision ground and coated with Turcite-B.
Independent cooler for spindle stock ensures normal temperature at high speed running.
Optical scale on X, Z-axis ensures high positioning accuracy.

ITEM	UNIT	SA-35	SA-40
Capacity
Swing Over Bed	mm.(in.)	890(35)	1020(40)
Swing Over Cross-Slide	mm.(in.)	740(29)	870(34)
Max. Cutting Diameter	mm.(in.)	890(35)	1020(40)
Distance Between Centers	mm.(in.)	700(28), 1200(47), 1700(67), 2200(87), 3200(126), 4200(165), 5200(205)
Bed & Carriage
Bed Shape	-	One piece bed
Bed Width/Slant Angle	mm.(in)/degrees	1430(53.5) / 60
Carriage Bearing On Bed Way	mm.(in.)	950(37.4)
Width Of Cross Slide	mm.(in.)	600(23.6)
Headstock
Spindle Nose	-	A2-11, A2-15, A2-15, A2-20, A2-20, A-28, A2-28, A2-32
Spindle Bore	mm.(in.)	153(6.02) 230(9.05) 255(10.03) 318(12.51) 360(14.17) 410(16.14) 535(21.06) 610(24.02)
Spindle Step	-	Auto 4 step
Spindle Speeds	1 range - rpm	20~140, 16~120, 13~95, 14~100, 12~85, 10~75, 8~60, 4~25
	2 range - rpm	38~280, 30~200, 25~185, 26~180, 23~160, 18~110, 15~95, 8~50
	3 range - rpm	95~550, 70~420, 60~400, 60~350, 55~300, 45~250, 35~200, 20~140
	4 range - rpm	200~1200, 150~700, 120~600, 130~450, 95~400, 65~350, 55~300, 40~220
Spindle Nose/Bore/Step/RPM	-	A2-11 / 132 / 1 / 200~2000 SS only
Turret
Standard Truuet Model	-	Baruffaldi TB400
Disc Shape / No. Of Tool Stations	-	Polygon Disc or VDI Disc / 12
Tool Shank Cross Section	mm.(in.)	32 x 32 (1.25)
Tool Shank Diameter Max.	(in.)	60(2.5)-SS, 102(4)-SA
Travel
Cutting Tool Rate	-	X-axis:0.001~250(0.00004~9.84), Z-axis:0.001~400(0.00004~15.75)
Rapid Travel	M./min.(Ft./min.)	X-axis:8(26.24), Z-axis:10(32.8)
Ball Screw Diameter	mm.(in.)	X-asis:50(2), Z-axis:80(3015)
Tailstock
Quill Type	-	Built-in type, Rotating tailstock quill
Quill Diameter	mm.(in.)	235(9.25)
Quill Travel	mm.(in.)	200(7.87)
Inner Taper Of Quill	-	MT #6
Motor
Main Spindle Motor	KW (HP)	37/45 (50/60)
X-Axis Servo Motor	KW (HP)	4.5(6)
Y-Axis Servo Moter	KW (HP)	4.5(6)
Hydraulic Pump Motor	KW (HP)	5.5(7.5)
Coolant Pump Motor	KW (HP)	1.05(1.4)
Headstock Oil Refrigerator	-	18,000 BTU
Cabinet Refrigerator	-	3,000 BTU
Controller	-	FANUC 18iT-STD. Other required-OPT.
Machine
700 mm. Center Distance	kgs.(lbs.)	16500(36300)	17000(37400)
Weight
Each Extra 500 mm. Weight	kgs.(lbs.)	2200(4800)

ITEM	UNIT	SA-45
Capacity
Swing Over Bed	mm.(in.)	1145(45)
Swing Over Cross-Slide	mm.(in.)	995(39)
Max. Cutting Diameter	mm.(in.)	1145(45)
Distance Between Centers	mm.(in.)	700(28), 1200(47), 1700(67), 2200(87), 3200(126), 4200(165), 5200(205)
Bed & Carriage
Bed Shape	-	One piece bed
Bed Width/Slant Angle	mm.(in)/degrees	1430(53.5) / 60
Carriage Bearing On Bed Way	mm.(in.)	950(37.4)
Width Of Cross Slide	mm.(in.)	600(23.6)
Headstock
Spindle Nose	-	A2-11, A2-15, A-15, A2-20, A2-20, A-28, A2-28, A2-32
Spindle Bore	mm.(in.)	153(6.02) 230(9.05) 255(10.03) 318(12.51) 360(14.17) 410(16.14) 535(21.06) 610(24.02)
Spindle Step	-	Auto 4 step
Spindle Speeds	1 range - rpm	20~140, 16~120, 13~95, 14~100, 12~85, 10~75, 8~60, 4~25
	2 range - rpm	38~280, 30~200, 25~185, 26~180, 23~160, 18~110, 15~95, 8~50
	3 range - rpm	95~550, 70~420, 60~400, 60~350, 55~300, 45~250, 35~200, 20~140
	4 range - rpm	200~1200, 150~700, 120~600, 130~450, 95~400, 65~350, 55~300, 40~220
Spindle Nose/Bore/Step/RPM	-	A2-11 / 132 / 1 / 200~2000 SS only
Turret
Standard Truuet Model	-	Baruffaldi TB400
Disc Shape / No. Of Tool Stations	-	Polygon Disc or VDI Disc / 12
Tool Shank Cross Section	mm.(in.)	32 x 32 (1.25)
Tool Shank Diameter Max.	(in.)	60(2.5)-SS, 102(4)-SA
Travel
Cutting Tool Rate	-	X-axis:0.001~250(0.00004~9.84), Z-axis:0.001~400(0.00004~15.75)
Rapid Travel	M./min.(Ft./min.)	X-axis:8(26.24), Z-axis:10(32.8)
Ball Screw Diameter	mm.(in.)	X-asis:50(2), Z-axis:80(3015)
Tailstock
Quill Type	-	Built-in type, Rotating tailstock quill
Quill Diameter	mm.(in.)	235(9.25)
Quill Travel	mm.(in.)	200(7.87)
Inner Taper Of Quill	-	MT #6
Motor
Main Spindle Motor	KW (HP)	37/45 (50/60)
X-Axis Servo Motor	KW (HP)	4.5(6)
Y-Axis Servo Moter	KW (HP)	4.5(6)
Hydraulic Pump Motor	KW (HP)	5.5(7.5)
Coolant Pump Motor	KW (HP)	1.05(1.4)
Headstock Oil Refrigerator	-	18,000 BTU
Cabinet Refrigerator	-	3,000 BTU
Controller	-	FANUC 18iT-STD. Other required-OPT.
Machine
700 mm. Center Distance	kgs.(lbs.)	17500(38500)
Weight
Each Extra 500 mm. Weight	kgs.(lbs.)	2200(4800)