Origin	China
Model Number	PTQKA120/190/260/340
Brand Name	PolyTop
Automatic Grade	Automatic
Controlling Mode	CNC
Precision	High Precision
Processing	Lathe
Processing Types	Metal
Usage	Thread Processing Machine
Workpiece and Weight	Heavy-duty Machine Tool

Performance:

• Tube processing CNC machine with dual chuck that accepts long tubes;
• They are suitable for the turning of various kinds of pipe threads, and are also can be as universal CNC lathes;
• Very large spindle capacity: 120, 190, 260, 340mm;
• Powerful drive motors for efficient;
• Heavy construction for excellent machining performance;
• Extremely exact tool positioning;
• High flexibility for efficient machining from small to medium-sized batches;
• Easy programming of the control and user-friendly operation;
• Allow machining of verious tube types;
• These CNC pipe thread lathes are controlled by semi-closed circle controlling systems;
• Suitable for the turning of circum gyration bodies of various curving generatrixes , the turning distinguish ability is  0.001mm;
• Can be used to the turning of cylindrical and conical threads, and threads connected continuously by them, and end face threads as well, They have functions of automatic tool compensation, rough-turned piece circle, thread-cutting circle，slotting circle, and absolute zero can be set at your will.

Standard accessories:

• Fanuc 0i-TC control with Manual guide 0i
• Inside and outside 4 jaw chuck
• Tailstock with motor
• Drive
• Autom.4-station tool changer
• Automatic lubrication
• Work lamps
• Cooling system
• Guard door
• Heat-exchanger
• Operating tools
• Operation manual

Optional accessories:

• Steady rest 50-420mm
• Follow rest 50-220mm

Main Technical Data:

Specifications		PTQKA120	PTQKA190	PTQKA340
Max. cutting pipe dia.	mm	120	190	340
Swing over bed	mm	770		1100
Swing over carriage	mm	480		730
Width of bed	mm	550		755
Max. length of work piece	mm	1000/1500/2000/3000/5000		1500/3000/5000
Max. cutting length	mm	800/1350/1800/2800/4800		1300/2800/4800
Spindle
Taper hole of spindle	mm	140	213	412
Diameter of spindle thru hole	mm	130	200	355
Type of main spindle center		39145	39145	39150
Main spindle motor	kw	11	18.5
Number of spindle speeds		MANUL-3	MANUL-2	AUTO-4
		AUTO-6	AUTO-4
Range of spindle speeds	rpm	25-800	90-450	5-320
Max Travel of cross slide	mm	400		540
Tailstock
Travel of tailstock quill	mm	250		300
Quill taper hole		M5		M6
Quill diameter	mm	100mm		160mm
Machine overall size and weight
Max. weight of work piece	kg	1500		5000
Dimension (L /W/H)	mm	3227,3677,4177,5177/1800/1850
Net weight	kg	3900/4200/4700/5200		9.00011E+13
Turret
Size of turret	mm	240mm×240mm		300mm×300mm
Size of cutter cross section	mm	32mm×32mm		40mm×40mm
Position number of turret		4		4
Max. allowable cutting force  P z	N	19600N		29400N
Max. allowable force for longitudinal feed  P x	N	7840N		11760N
Max. allowable force for longitudinal feed  P x	N	5438N		8157N
Hydraulic and lubrication system
Device of automatic lubrication		AMO-II-150S		AMO-Ⅲ-150S
Model of gear pump		CB-B6		CB—B6
Rated pressure of gear pump	MPa	2.54MPa（25kgf/cm2）		2.54MPa（25kgf/cm2）
Flow rate of gear pump	L/min	6L/min		6L/min
Working pressure of oil chuck	MPa	0.98-2.54MPa（10-25kgf/cm2）		0.98-1.176MPa (10-12kgf/cm2)
Cooling system
Model of cooling pump		AOB-25		JCB-45
Power of cooling motor	W	90W		150W
Flow rate of cooling pump	L/min	25L/min		45L/min
Driving system
Model of main motor (frequency conversion)		YI60M-4-B3		UABP180L-4-33.3-18.5-1MB3
Main motor power	KW	11KW		18.5KW
Rotational speed of motor	r/min	1460r/min		960 r/min
Model of V-belt		B1855	B1080	C1860
Number of V-belt		4 pieces		5 pieces

Specifications			PTQKA260
Max. cutting pipe dia.		mm	260
Swing over bed		mm	1000
Swing over carriage		mm	630
Width of bed		mm	755
Max. length of work piece		mm	1500/3000/5000
Max. cutting length		mm	1350/2800/4800
Spindle
Spindle nose		mm	A215
Step of spindle speed	Three phrase asyn-chronous motor
	Variable frequency speed motor		AUTO-4
Range of spindle speeds	Three phrase asyn-chronous motor
	Variable frequency speed motor		6-400
Power of main motor	Three phrase asyn-chronous motor	kW
	Variable frequency speed motor	kW	18.5
Spindle bore		mm	275
Center height from bed		mm	500
Chuck type	Manual		4 jaw 630 mm
Tailstock
Dia. of tailstock quill		mm
Quill taper hole
Travel of tailstock quill		mm
Feed motion
Minimum feed increament of X/Z axis		mm	0.001/0.001
Rapid speeds of X/Z axis		mm	3000/6000
Maximun travel of X axis		mm	630
Turret
Size of turret	V4	mm	300mm×300mm
Size of cutter cross section		mm	40mm×40mm
Turret indexing time		s	4
Indexing repeatabilty		mm	0.01
Accuracy and acceptance condititions
Working accuracy			IT6-7
Surface roughness			Ra1.6
Acceptance condititions			JB/T8324.1-96
Machine overall size and weight
Length		mm	4800/6300/8300
Width		mm	2460
Height		mm	2120
Machine mass		kgs	9000/1000/13000