Why choose a slant bed CNC pipe threading lathe?

A slant bed CNC pipe threading lathe combines pipe threading capability with better chip removal, enclosure design, and production efficiency compared with traditional structures.

What pipe workpieces are suitable?

It is suitable for pipe-type workpieces requiring CNC threading and turning, especially where efficient production and stable chip removal are important.

What should I provide for selection?

Please provide pipe diameter, length, thread type, material, production quantity, and required automation level.

Slant bed CNC pipe threading lathe Oil Country Lathe machine

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Slant bed CNC pipe threading lathe Oil Country Lathe machine

Pipe threading lathe is also known as big bore lathe machine, large bore lathe, oil country lathe, double chuck lathe, oil field lathe and hollow spindle lathe.
This slant-bed CNC pipe threading lathe is optimized for precision machining of tapered threads like API and NPT. The electric double chuck enhances machining efficiency and precision via accurate synchronous clamping, ensuring batch consistency. The lathe supports continuous processing from rough turning to thread finishing, eliminating repositioning errors and improving thread surface quality (achieving Ra ≤ 1.6 μm)Equipped with Y-axis and C-axis, it can precisely complete complex processes such as eccentricity and plane machining, and also supports general processes like turning and boring. The slant bed structure provides high rigidity, vibration resistance and excellent chip removal. High-precision components ensure long-term precision retention.
Widely used in petrochemical, oil and gas drilling, high-pressure pipeline and other high-end fields.

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PRODUCT SPECIFICATIONS
ACCESSORIES
VIDEO
CHARACTERISTIC

Product Specifications

Items	Unit
Capacity
Swing over bed	mm
Max. turning diameter	mm
Swing over cross slide	mm
Distance between centers	mm
Pipe threading range	mm
Spindle
Spindle nose type	-
Spindle bore	mm
Max. spindle speed	r min
Turret
Cross section of tool shank	mm
Turret type	-
Feed
Stroke of X-axis	mm
Stroke of Z-axis	mm
Rapid traverse speed of X-axis	mm min
Rapid traverse speed of Z-axis	mm min
Tailstock
Tailstock quill diameter	mm
Tailstock quill taper	-
Tailstock quill max. stroke	mm
Power system
Main motor power	kW
Coolant pump motor power	kW
Others
CNC system	-
Width×Height	mm
Length	mm
Net weight	kg

QKX1212	QKX1215	QKX1222	QKX1227	QKX1238	QKX1250	QKX1219J	QKX1222J	QKX1225J	QKX1227J

630	630	680	900	1200	1200	600	600	600	600
600	600	600	600	710	710	450	450	450	450
440	440	450	600	710	710	450	450	450	450
1000 1500 2000	1000 1500 2000	1000 1500 2000	1000 1500 2000	1000 1500 2000	1000 1500 2000	1000 1500 2000	1000 1500 2000	1000 1500 2000	1000 1500 2000
110	140	220	300	380	500	190	220	250	275

A2-11	A2-11	A2-15	Short cylinder	Thread	Thread	Short cylinder	Short cylinder	Short cylinder	Short cylinder
120	150	230	305	390	520	200	225	255	280
800	800	550	350	190	190	550	550	450	450

32×32	32×32	32×32	32×32	32×32	32×32	32×32	32×32	32×32	32×32
H8 Hydraulic	H8 Hydraulic	H8 Hydraulic	H8 Hydraulic	H8 Hydraulic	H8 Hydraulic	H8 Hydraulic	H8 Hydraulic	H8 Hydraulic	H8 Hydraulic

335	335	350	375	375	375	350	350	350	350
1100	1100	1140	1250	1250	3750	600	600	600	600
4000	4000	4000	10000	10000	10000	4000	4000	4000	4000
6000	6000	6000	12000	12000	12000	6000	6000	6000	6000

130	130	140	170	170	170	170	170	170	170
MT5	MT5	MT6	MT6	MT6	MT6	MT6	MT6	MT6	MT6
100	100	200	180	180	180	180	180	180	180

15	15	22	22	22	22	22	22	22	22
0.55	0.55	0.55	0.55	0.55	0.55	0.55	0.55	0.55	0.55

Fanuc 0i-TF Plus (3B)	Fanuc 0i-TF Plus (3B)	Fanuc 0i-TF Plus (3B)	Fanuc 0i-TF Plus (3B)	Fanuc 0i-TF Plus (3B)	Fanuc 0i-TF Plus (3B)	GSK988TA	GSK988TA	GSK988TA	GSK988TA
2050×2300	2050×2300	2100×2300	2182×2100	2482×2300	2482×2300	2250×2350	2250×2350	2250×2350	2250×2350
4850 5350 5850	4850 5350 5850	6600 7100 7600	6700 7200 7700	7000 7500 8000	7000 7500 8000	4850 5250 5850	6600 7100 7600	6600 7100 7600	6700 7200 7700
7500 8000 8500	7500 8000 8500	7700 8200 8700	8000 8500 9000	8200 8700 9200	8500 9000 9500	7500 8000 8500	7700 8200 8700	7900 8400 8900	8000 8500 9000

Accessories

Standard :

Sinumerik 808D CNC system
Leveling wedge
3 -jaw/4-jaw manual chuck
Anchor bolt
Standard V4 turret
Wrench
Standard manual tailstock

Foot switch
LED work light
Coolant system
Automatic Lubrication system
Schneider electrical component
Cabinet shield

Optional :

GSK 980TDi CNC system
Rear support
Fanuc 0i-TF (5)CNC system
Follow rest
Length gauge
Live center
11/15 kW servo spindle motor
Cabinet air conditioner
6/8/12 station electric turret

Safety door switch
6/8/12 station hydraulic turret
Chip convey
Hydraulic tailstock
Optical linear encoder
Automatic pipe loading and unloading device
3/4 jaw pneumatic chuck
3/4 jaw hydraulic chuck
Hydraulic Steady rest

Video

🔧 Slant-Bed CNC Pipe Threading Lathe: API Tapered + NPT Threads Master! ⚡

⛽ API Tapered + NPT Threads: Fanuc Slant-Bed CNC Pipe Threading Lathe! 🔵

Characteristic

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Chuck

Dual-chuck setup provides exceptional flexibility for handling long or complex workpieces

Double Ф800 mm 4-jaw manual hollow chucks for QK1227 CNC oil country lathe (755 mm guideway).

Double Ф780 mm 4-jaw electric hollow chucks for QK1232 CNC oil country lathe.

Double Ф850 mm 4-jaw electric hollow chucks for QK1238 CNC oil country lathe.

Double Ф1000 mm 4-jaw electric hollow chucks for QK1243/QK1250 CNC oil country lathe.

Other hydraulic, pneumatic, electric chucks and other power chucks are also available for option.

Turret

It is equipped with an 8-station turret that ensures fast tool changes.

Bed

The slant bed pipe thread lathe features a high-rigidity, one-piece slant bed design. Typically constructed from high-quality cast iron with a common inclination of 45° or 60°, this configuration significantly enhances machine rigidity, effectively suppresses cutting vibration, and promotes excellent chip evacuation. It provides a solid foundation for high-speed and high-precision machining of oilfield pipes and various thread types.

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Slant bed CNC pipe threading lathe Oil Country Lathe machine

Product Specifications