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Q-440

Q-440

Oil Country Lathe



Model: Q-440
Spindle bore: 440mm

Pipe threading: 270-430mm
Swing over bed: 1000mm
Bed width: 755mm

Spindle speed: 4.9-180r/min

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Product Description

Oil Country Lathe



Model: Q-440
Spindle bore: 440mm

Pipe threading: 270-430mm
Swing over bed: 1000mm
Bed width: 755mm

Spindle speed: 4.9-180r/min



Technical Specification


Specification

Unit

Q-390

Q-440

Q-520

Max. swing over bed

mm

1000

1000

1200

Max. swing over cross slide

mm

610

610

710

Distance between centers

mm

1500/3000

1500/3000

1500/3000

Pipe threading range

mm

190-380

270-430

330-510

Bed width

mm

755

755

755

X-axis travel

mm

520

520

520

Z-axis travel

mm

1350/2850

1350/2850

1350/2850

Max. load capacity

kg

6000

6000

6000

Spindle bore

mm

390

440

520

Spindle speed steps

steps

9

9

9

Spindle speed

rpm

6-205

4.9-180

4.9-180

Chuck size

mm

850

1000

1000

Chuck type

-

4-jaw electric

4-jaw electric

4-jaw electric

Turret type (manual)

-

V4

V4

V4

Tool shank size

mm

45x45

45x45

45x45

X-axis feed range (steps)

mm/r

0.05-0.75(32)

0.05-0.75 (32)

0.05-0.75 (32)

X-axis rapid feed speed

mm/min

1870

1870

1870

Z-axis feed range (steps)

mm/r

0.1-1.5(32)

0.1-1.5 (32)

0.1-1.5 (32)

Z-axis rapid feed speed

mm/min

3740

3740

3740

No. of Metric thread and range

mm

1-15(23)

1-15 (23)

1-15 (23)

No. of Inch thread and range

TPI

2-28(22)

2-28 (22)

2-28 (22)

Tailstock quill diameter

mm

140

160

160

Tailstock quill taper

-

MT6

MT6

MT6

Tailstock quill travel

mm

300

300

300

Main motor power

kw

22

22

22

Rapid motor power

kw

1.5

1.5

1.5

Coolant motor power

kw

0.125

0.125

0.125

Machine dimensions (LxWxH)

mm

4900/6400x2100x1700

5000/6500x2100x1700

5000/6500x2100x1800

Machine weight

kg

12800/14300

13000/14500

15000/16500






Product Details


  • After years of improvement and running-in, this pipe threading lathe is already a high-performance lathe with mature structure and stable performance.

  • The lathe is mainly used in oil field, suitable for processing and repairing drilling pipe, drilling rod, threading coupling and so on. At the same time suitable for processing complex shape of the shaft, sets, disk parts, such as turning inside and outside cylindrical surface, conical surface, end face.

  • The spindle box adopts a symmetrical structure to make the thermal deformation uniform and avoid the offset of the center of the spindle. To reduce thermal deformation, the headstock is lubricated with an oil bath cycle.

  • Adopts premium cast-iron with hardened and ground guideway, 755mm width bed improves enough rigidity and large loading capacity (6000kg), to meet heavy duty cutting for customers.

  • The machine tool is equipped with front and rear electric 4-jaw chuck, motorized clamping workpieces, simple and easy. Optional rear support also can auxiliary support for long rods.

  • Super large spindle bore effectively solves large diameter bars requiring through holes.

  • Using famous-brand screw (cross and longitudinal) and rack, make sure movement smooth and stable, and improve threading machining accuracy.

  • All lathes are equipped with rapid feed motor for X/Z-axis quickly positioning, reduce operating intensity and machining assistance time, improve machining efficiency.

  • Carriage feed and rapid feed of X/Z-axis by single handle on the carriage drives polished rod and high rigidity rack. 

  • Quill diameter 160mm tailstock suitable for heavy cutting, and tailstock rapid moving by gear and rack on the front of bed, customer can choose electric moving tailstock for reducing labor intensity. Manual tail-stock quill is moved by hand wheel, and two feeding rate of the tail-stock quill (1:1; 20:1).

  • Heavy-duty closed steady rest can cutting thin and long work-pieces, improves the turning accuracy of machine. 

  • Equipped with taper turning attachment, can automatic feed turning cone surface and taper threads, and some common taper scale indications.

  • Big flow of cutting fluid provides enough cooling for tools and rinse iron chip during machining workpiece, to gain excellent roughness and machining accuracy.





Standard Accessories


  • 4-jaw electric chuck

  • Steady rest

  • Follow rest

  • Dead center of tailstock

  • 4-station tool post

  • Taper turning attachment

  • Cooling system

  • Work lamp

  • Chip plate

  • Tools

  • Leveling wedge and bolts

  • Operation manual (English)



Optional Accessories


  • 2 or 3-axis digital indicator

  • Chuck guard

  • Tool-post guard

  • Rear splash guard

  • Quick changing tool post

  • Rear support for long pipe



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