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QK-280F

QK-280F

CNC Oil Country Lathe



Model: QK-280F
Spindle bore: 280mm

Pipe threading: 50-270mm
Swing over bed: 800mm
Bed width: 600mm

Spindle speed: 20-480r/min
CNC system: SIEMENS 808D

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Product Description

CNC Oil Country Lathe



Model: QK-280F
Spindle bore: 280mm

Pipe threading: 50-270mm
Swing over bed: 800mm
Bed width: 600mm

Spindle speed: 20-480r/min
CNC system: SIEMENS 808D



Technical Specification


Specification

Unit

QK-255F

QK-280F

QK-300F

Capacity





Swing over bed

mm

800

800

800

Swing over cross slide

mm

480

480

480

Distance between centers

mm

1000/1500/3000

1000/1500/3000

1500/3000

Pipe threading range

mm

50-250

50-270

110-300

Bed width

mm

600

600

600/755

Max. load capacity

kg

4000

4000

4000

Spindle





Spindle bore

mm

255

280

305

Spindle speed steps

steps

4shifts, stepless (manual or auto.)

4shifts, stepless (manual or auto.)

2shifts, stepless

Spindle speed

rpm

20-480

20-480

20-300

Chuck size

mm

630

630

630

Chuck type (manual)

-

4-jaw

4-jaw

4-jaw

Turret





Turret type (electric)

-

4-stations

4-stations

4-stations

Tool shank size

mm

32x32

32x32

32x32

Feed





X-axis travel

mm

420

420

450/550

Z-axis travel

mm

850/1350/2850

850/1350/2850

1250/2750

X-axis rapid feed speed

mm/min

4000

4000

4000

Z-axis rapid feed speed

mm/min

6000

6000

4000

Tailstock





Tailstock quill diameter

mm

100

100

100

Tailstock quill taper

-

MT5

MT5

MT6

Tailstock quill travel

mm

250

250

250

Others





Main motor power

kw

15

15

15

Coolant motor power

kw

0.125

0.125

0.125

Machine dimensions

mm

3800/4300/5800x1900x1750

3800/4300/5800x1900x1750

4600/6600x2060x2100

Machine weight

kg

6000/6500/7500

6200/6700/7700

6500/8000






Product Details


  • Oil country lathe is mainly developed for the turning of oil field pipe thread, it is not only suitable for all kinds of pipe thread turning, but also can be used for ordinary CNC lathe, suitable for processing complex shape of the shaft, sets, disk parts, such as turning inside and outside cylindrical surface, conical surface, circular surface, end face, chamfer. Especially for multi-species, small batch of turning processing, process adaptability, high processing efficiency, low scrap rate, good product consistency, easy programming, simple operation, reducing the technical requirements of workers, it is the ideal medium mechanical processing equipment.

  • Pipe threading lathe adopt high quality cast iron (HT300) one molding casting, bed width (600mm). After the second aging treatment,  it has the feature of stable performance, good rigidity, anti-vibration ability.

  • Spindle bore diameter is 255/280/305mm for choice, spindle is supported by precision heavy load bearing, rotating stability and smoothly.

  • Spindle driven by 15kw high-power frequency main motor, spindle speed change is manual 4 gear shift, stepless speed within segment controlled by the S code, achieving stepless speed and constant linear cutting. 

  • Complete with double manual 4-jaw chuck(630mm) comes standard, according to users’ need different types of manual, pneumatic and hydraulic chuck can be chosen.

  • Standard complete with 4-station turret, it is free lifting and index quickly and easily; the vertical 6-station and horizontal 6/8-station and other electric turret can be chosen.

  • The X-direction and Z-direction use the precision grinding grade ball screw, ensured a high processing accuracy, positioning accuracy and accuracy of retention.

  • Automatic forced circulation lubrication make the transmission system is flexible and effectively cool.

  • CNC system uses the internationally renowned FANUC, SIEMENS or China GSK AC servo control system.

  • The lathe machine adopts semi-closed protection, equipped with emergency stop safety button, when the lathe machine suddenly encountered unexpected power failure or self-failure, due to the special design of the control circuit, it can be self-protection, to ensure that the lathe machine and personnel safety.

  • Before delivery all lathe machines should be tested by British RENISHAW laser detector for dynamic accuracy detection and compensation, so the lathe machine has a high positioning accuracy and repeat positioning accuracy.





Standard Accessories


  • SIEMENS 80D CNC system

  • 4-jaw chuck (front-rear)

  • 4-station electric tool-post

  • Work lamp

  • Pilot lamp

  • Cooling system

  • Semi-closed guard

  • Electronic handwheel

  • Dead center

  • Oil gun

  • Automatic lubrication pump

  • Manual moving tailstock

  • Tools & tool-box

  • Leveling wedge & bolts

  • Operation manual (English)



Optional Accessories


  • FANUC/GSK CNC system

  • Penumatic chuck

  • Other tool-post

  • Chip conveyor

  • Live center

  • Air conditioner

  • Rear bracket for long piece



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