CNC pipe thread repairing machine

1. Machine tool brief instruction

This machine is 3-axis numerical servo control pipe threading lathe, flat bed machine, especially suitable for drill pipe, drill collar pipe, casing pipe thread repairing, also can do other machining such as: turning excircle surface, inner bore, taper, arc, step, screw, chamfer etc.
2. Main technical parameter
No. Item Unit Parameter
1 Max swing diameter over bed mm ∮680
2 Spindle center height mm 1100
3 Bed guide rail width mm 705
Chuck diameter mm 630
4 Chuck bore diameter mm ∮260
5 Maximum holding diameter mm ∮250
6 Working range of diameter mm 80～250
7 Working range of thread API 5B 5CT equilong, short round thread
8 Working range of length mm ≤1100
9 Maximum swing diameter over carriage mm ∮280
10 Spindle hole diameter mm ∮260
11 Spindle rotate speed rpm 5～450 (stepless)
12 Main motor power kW 22
13 Max. Stroke of X axis mm 400
14 Max. Stroke of Z axis mm 1200
15 X/z servo motor N.m 15/22
16 Quick moving speed of x/z axis M/min 6/8
17 Electric tool rest 4 station
18 Positioning accuracy of turret mm 0.010
19 Repeat positioning accuracy of tool rest mm 0.005
20 Positioning accuracy of x/z axis mm 0.016/0.025
21 Repeat positioning accuracy of x/z axis mm 0.007/0.010
22 Roundness mm 0.005（Semi-diameter）
23 Conformity mm 0.015(300)
24 Planeness mm 0.025
25 Roughness μm Ra1.6
26 Machine weight kg 7500
27 Dimension(LXWXH) mm 4200×1800×1700