for Max. Roll Dia. 1250mm
Features:
l Specialized designed, CNC roll turning lathe for Heavy-duty roll turning
l Widely used for roll turning from roughing stand roll to finish stand roll
l Ideal CNC roll turning lathe for roll manufacture & rolling mill
l Good at turning for cylinder, curve shape, taper & slot cutting. Roughing turning & finishing turning.
l Available for all casting rolls, admit rolls, steel rolls, HSS roll’s turning.
l Specialized Frame Type Tool Post for heavy duty turning.
l 4+1 guideways Bed with bed width 1880mm
l Max. Roll Turning Diameter: 1250mm
l Max. loading capacity between centers: 40 tons. (Without supporter to the roll)
l Max. turning force on tool post: 100KN
l Max. torque of face plate: 60KN
l Total machine’s net weight: 65 tons (approx.)
l Main motor: 98KW
l Headstock Spindle Diameter: 420mm
l Large gear on spindle diameter: 800mm
l Tailstock quill diameter: 390mm
l Motorized tailstock for movement on bed
l Motorized quill on tailstock for its movement
l Hydraulic release the clamping plate of tailstock on bed.
l Build with loading measure device on tailstock display its against force by digital number.
l Hydraulic station supports automatic gear shifting in headstock
l Stepless spindle speed range: 1 – 200 rpm
l Ball screw for X-axes (cross axes)
l Z-axes (longitudinal) adopts design of hydraulic-automatic-backlash-elimination dual small gears built with helical gear rack for strong and precision movement.
l Both of X & Z axes installed with Germany-made precision grating scale for position detection. Build a closed-loop control with CNC for high accuracy working.
l CNC system: SIEMENS 828D (840D for optional)
l Main Specifications:
s/n | Descriptions | Specifications |
1 | Max. diameter of workpiece (roll diameter) | 1250 mm |
2 | Max. loading capacity between center (without supporter) | 40 tons |
3 | Max. length of workpiece | 5000 mm |
4 | Max. torque of face plate | 60 KN |
5 | Max. turning force of frame type tool post | 100 KN |
6 | Center’s angle (may make as per roll center hole’s angle) | 75° |
7 | Width of bed | 1880 mm |
8 | Spindle speed type | Stepless speed |
9 | Spindle speed range | 1-200 rpm |
10 | Spindle speed range (low & high range) | 2 ranges |
11 | Speed range shifting by hydraulic system under CNC | Automatic |
12 | Spindle taper hole size | φ196.86mm / 1:4 |
13 | 4-jaw chuck diameter (heavy-duty) | 1250mm |
14 | Spindle diameter | 420mm |
15 | Large gear on spindle | 800mm |
16 | Spindle nose | 1:30 |
17 | X-axes rapid movement speed (cross) | 4000mm/min |
18 | A-axes rapid movement speed (longitudinal) | 6000mm/min |
19 | X-axes feed range (cross) | 1～400mm/min |
20 | Z-axes feed range (longitudinal) | 1～600mm/min |
21 | Cross travel (X) | 725mm |
22 | Longitudinal travel (Z) | 5000mm |
23 | Tool holder travel on frame type tool post | 300mm |
24 | Tailstock quill travel | 250mm |
25 | Tailstock quill diameter | φ390mm |
26 | Tailstock spindle toper hole | φ139.7mm; 1:4 |
27 | Tailstock rapid movement speed | 2200mm/min |
28 | Tailstock quill movement speed (low-speed; high speed) | 10mm/min; 200mm/min |
29 | Main motor (DC) | Z4; 98kw |
30 | Servo motor for Z axes (longitudinal) (Rated/Max. torque) | 42Nm/50Nm; 2000r/min |
31 | Servo motor for X axes (cross) (Rated/Max. torque) | 42Nm/50Nm; 2000r/min |
32 | Motor for tailstock movement on bed | 2.2KW; 1500r/min |
33 | Motor for quill movement on tailstock | 2.2KW; 1500r/min |
34 | CNC brand & Model | SIEMENS 828D |
35 | Total power capacity (approx.) | 140 KVA |
36 | Total gross weight of machine including package (approx.) | 65 tons |
37 | Overall dimensions (LxWxH) | 11500x3300x2960mm |
38 | Power supply (Voltage/Frequency) | 380V/50Hz (415V,440V/60Hz) |
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