CNC Roll Turning Lathes

Features:
1. Best selling model & most satisfied by rolling mills.
2. Professional & special design for roll turning.
3. Fast roll turning by CNC comes true. Only 42 minutes renew a roll with cylindrical and grooves turning (Dia. 340mm, barrel 800mm). Save a Lot of money for you every day! You will be no longer to spend 3 or 5 days for a roll turning by normal conventional lathe. Few hours will be done for a whole roll turning & grooving by CNC roll turning lathes. One machine beats about 5 normal conventional lathes.

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Product Details

Features:


1. Best selling model & most satisfied by rolling mills.

2. Professional & special design for roll turning.

3. Fast roll turning by CNC comes true. Only 42 minutes renew a roll with cylindrical and grooves turning (Dia. 340mm, barrel 800mm). Save a Lot of money for you every day! You will be no longer to spend 3 or 5 days for a roll turning by normal conventional lathe. Few hours will be done for a whole roll turning & grooving by CNC roll turning lathes. One machine beats about 5 normal conventional lathes. 

4. CNC roll turning lathes can do heavy duty turning, roll is not small shaft. It’s big and heavy. CNC roll turning lathes was designed specially for roll turning. Completely different with normal lathe. It is the time to get rid of normal conventional lathe for roll turning.

5. Special European frame type tool post support heavy-duty cutting. None any NC square turret tool post can beat with it. 

6. Overcome all disadvantages in similar machines, such as weakness, light cutting, low efficiency and vibration etc. fast & accurate turning come true. 

7. CNC roll turning lathes adopt Germany brand  SIEMENS CNC controller offer 0.001mm resolution.

8. Rigidity widened 4-square ways bed with supersonic hardened & ground. (The competitor’s bed width is only about 700mm. But, our machine is 820mm. Competitors’ machine weight is only about 8,500kg. But, our machines is about 11,000kg.)

9. Home made special supper strong 4-jaw chuck with thickening plate & longer jaws, guarantee strong clamping and high torque for roll turning. (Plate thickness 180mm; Jaw length 120mm) 

10. Independent Hydraulic station offers automatic & smooth gear shifting in headstock. Continuous force lubrication guarantees long working life of gears. Manual gear shifting for two ranges is incomparable with ours. 

11. Anti-backlash gears used in headstock, precision ball screw and AC servo motor accomplish precision, smooth and variable speed transversal feed/rapid feed (X axes) and longitudinal feed/rapid feed (Y axes).

12. Big bore spindle was made by high tensile, forged alloy steel with hardened and precision ground. It was supported at 3 points by Japanese NSK bearings. (2 precision double row cylindrical roller bearings & 1 ball bearing) 

13. Japan NSK 60°angle contact ball bearings were used for ball screw achieved “fix-fix” supports. High repeat positioning accuracy is available after preload.

14. Centralized automatic lubrication pump provides automatic lubrication to all key units such as: guide ways, ball screws, ball screw bearings etc. Nothing to be worry about lack of lubrication.

15. Strong & power feed tailstock with reducer motor for quick and easy roll mounting.

16. CNC roll turning lathes selected AC variable frequency spindle motor c/w “OMRON” encoder provides reliable, constant high torque at low speed and constant output at high speed.

17. Air-conditioned independent large electrical cabinet with anti-dust & shield functions, guarantee reliable and long working life of electrical components.


Technical parameter:


Model

Units

RLK-500

RLK-650

RLK-800

Max. Workpiece diameter

mm

500

650

800

Max. Workpiece length

mm

2500

3500

5000

Center height

mm

400

470

550

max. load between centers points

kg

3500

6000

12000

Max. Cutting capacity

kn

25

40

50

Max. work holding chuck torque

N.m

6000

12000

16000

Main spindle rotation

rpm

2~400

1.5~300

1.25~250

Spindle speed grade

-

stepless

stepless

stepless

Spindle speed mode

-

hydraulic auto

hydraulic auto

hydraulic auto

work holding chuck  diameter

mm

500

650

800

Taper of spindle hole size

-

NO.120

NO.120

φ100  1:7

Feed movement grade

-

 stepless

stepless

stepless

Longitudinal(Z axis) movement speed

mm/min

0.1~1000

0.1~1000

0.1~1000

Rapid longitudinal movement speed

mm/min

4000

4000

4000

Cross (X axis) movement speed

mm/min

0.1~1000

0.1~1000

0.1~1000

Rapid cross movement speed

mm/min

2000

2000

2000

Tailstock sleeve of mobile content

mm

250

200

300

Rapid speed of tailstock

mm/min

3000

3000

3000

Tailstock moving mode

-

motor drive

motor drive

motor drive

The tailstock spindle taper hole size

-

MT5

60/1:7

80/1:7

Tailstock sleeve diameter

mm

180

200

280

Variable frequency AC motor power

kw

22

37

55

Variable frequency AC motor for longitudinal feeding(Z axis) torque

N.m

27

27

36

Variable frequency AC motor for cross feeding(X axis) torque

N.m

18

18

27

CNC automatic indexing tool post (special accessory)

-

Vertical: 4 station

Vertical: 4 station

Vertical: 4 station

-

Transposition of horizontal:8 or 12 station

Transposition of horizontal:8 or 12 station

Transposition of horizontal:8 or 12 station

-

Cutter positioning accuracy repeatability:0.005mm

Cutter positioning accuracy repeatability:0.005mm

Cutter positioning accuracy repeatability:0.005mm

Protective mode for the bed guideway

-

stainless cover

stainless cover

stainless cover

Overall size (LX W X H)

mm

6600×2100×1400

7600×1715×1600

9600×2450×2000

Gross weight

kg




Notes: Max turning length is available for 2500mm, 3500mm, 4000mm and 5000mm for option.


Application of CNC Roll Turning lathes


 

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