This machine is specially for threading 336mm~508mm (13 3/8″～20") big casing pipe, the spindle bore is 550mm. It is high accuracy, high rigidity, big power machine. Horizontal integral cast iron machine bed, bed guide rail 45°slant, machine operating and tool setting is convenient . Use 8-station tool rest or dual immovable tool rest, Fanuc CNC system, super spindle rigidity, spindle box outside cycle oil cooling, centrifugal water pump cooling, dual pneumatic chucks, improved the working efficiency. It is the ideal machine for casing pipe.
Main technical parameter
|
No.
|
Item
|
Unit
|
Parameter
|
|
1
|
Bed rail width
|
mm
|
1000
|
|
2
|
Max. Swing diameter
|
mm
|
1100
|
|
3
|
Pneumatic chuck diameter
|
mm
|
Ф1000, rear: 5-jaw, front: 3-saw
|
|
4
|
Pneumatic chuck bore
|
mm
|
Ф550
|
|
5
|
Max. holding diameter
|
mm
|
Ф530
|
|
6
|
Machining thread range
|
|
Round thread, Buttress thread, trapezoidal thread
|
|
7
|
Machining length range
|
mm
|
800
|
|
8
|
Max. Swing diameter overcarriage
|
mm
|
560
|
|
9
|
Spindle bore diameter
|
mm
|
Ф550
|
|
10
|
Spindle rotate speed
|
rpm
|
60～260
|
|
11
|
Main motor power
|
kW
|
90-6
|
|
12
|
Max. stroke of X axis
|
mm
|
600
|
|
13
|
Max. stroke of Z axis
|
mm
|
1500
|
|
14
|
X/Z servo motor
|
N.m
|
30/30
|
|
15
|
Quick moving speed of x/z axis
|
m/min
|
8/10
|
|
16
|
Tool rest
|
2 sets
|
8-station electric turret +
fixed boring tool rest
|
|
17
|
Tool cutter installation size
|
mm
|
40*40
|
|
18
|
Positioning accuracy X /Z
|
mm
|
0.015/0.02
|
|
19
|
Repeat positioning accuracy R X/Z
|
mm
|
0.005/0.01
|
|
20
|
Roundness (Radius value）
|
mm
|
0.005
|
|
21
|
Consistency
|
mm
|
0.015
|
|
22
|
Planeness
|
mm
|
0.025
|
|
23
|
Roughness
|
μm
|
Ra1.6
|
|
24
|
Machine weight
|
kg
|
28000
|
|
25
|
Big carriage width
|
mm
|
1500
|
|
26
|
Mid-carriage width
|
mm
|
600
|
|
27
|
Headstock width
|
mm
|
1100
|
|
28
|
Spindle center height
|
mm
|
1300
|
|
29
|
Distance between two chucks jaw
|
mm
|
1900
|
