Product Details

5" Hollow Spindle Bore Pipe Threading CNC Lathe QK-120A

Main Outlook

Product Description

Application:

We, Timeway Machine sold 6", 8", 10", 14", 18" hollow spindle CNC oil country lathes designed to perform all sizes of the threads used in the oil & gas industry; center height 385mm, 500mm, 550mm, 650mm; distance between centres from 750mm up to 5000mm; 3-jaw self-centering chuck or 4-jaw independent chuck on both sides of gear box. All machines are in conformity to the CE norms.

Features:

This machine was designed for use in demanding petroleum industry applications and integrates decades of experience.
Massive headstock with mian spindle running in tapered roller bearins, and two lathe chuck mounts.
The wide machine bed features large, hardened and ground guideways and high rigidity.
High torque drives and preloaded ball screws on all axes.
Automatic 4-step gears with infinitely variable speed ranges.
Hardened and ground gears for effective power transmission.
Heavy-duty 4-station tool holder with automatic tool changing function.
Including high performance coolant system, and central lubrication unit.
Control technology with award-winning reliability and many years of experience-FANUC or SIEMENS CNC system.
Electronic hand-wheel at the control panel for manual operation ensure easy, quick setup of new workpieces an

Technical Parameter:

Specification		Unit	QK-120A	QK-190A	QK-260A	QK-350A	QK-460A
Capacity	Centre height		385		500	550	650
	Swing over bed	mm	770		1000	1100	1250
	Swing over carriage	mm	480		630	730	900
	External diameter of pipes (manual chuck)	mm	120	190	70-260	114-340	300-460
	Maximum length of workpiece	mm	750/1000/1500/2000/3000		1500/3000/5000		3000
	Maximum turning length	mm	600/800/1350/1850/2850		1300/2800/4800		2800
	Span of guideway	mm	550		755		1100
Spindle	Spndle bore	mm	130	200	275	355	465
Spindle	Spindle nose		C11		A2-15		A2-28
Headstock	Step of Spindle speed(Three-phase asyn-chronous motor)		manual 3 steps,auto 6 steps 16 speeds	manual 2 steps,auto 4 steps 8 speeds	---	---	---
	Step of Spindle speed(Variable frequency motor)		---	---	auto 4 gear steps,stepless speed change in the step.
	Range of spindle speed(Three-phase asyn-chronous motor)		25-800	90-450	---	---	---
	Range of spindle speed(Variable frequency motor)		---	---	6-400	5-320	5-200
	Main motor power(Three-phase asyn-chronous motor)	kw	11		---	---	---
	Main motor power (Variable frequency motor)				18.5		28/38
	Chuck type(manual chuck)		manual 3 jaw 380	manual 3 jaw 500	manual 4 jaw 630	manual 4 jaw 800	manual 4 jaw 630
Feed	Min.feed increment of X-/Z-axis	mm	0.001/0.001
	Rapid speeds of X-/Z-axis	mm/min	3000/6000
	Max.travel of x-axis	mm	390		630		800
Carriage	Tool-post working position		Vertical 4-position240		Vertical 4-position300
	Indexing time	s	2.5		4
	Indexing repeatility	mm	0.008		0.01
	Section of tool shank	mm	32		40
Tailstock	Diameter of tailstock quill	mm	100		160
	Travel of tailstock quill	mm	250		300
	Taper hole of tailstock quill		Morse 5		Morse 6