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D51 series ring rolling machine

D51 series ring rolling machine




 D51 series vertical ring rolling (hole-enlarging) machine is a special equipment for ringy roughcast hot-rolling and hole-enlarging procedure . The equipment is characterized by high automaticity, small volume, light weight, strong rigidity and sensitive and dependable manipulation, etc. So it is the essential equipment for the axletree industry.

 D52 and D53K series digital-controlled horizontal ring rolling machines own many advantages as rational design, advanced frame, attractive appearance, radial and axial rolling function, high productivity, good precision as well as digital process control. Being high-efficient, material and energy-saving, it is an advanced equipment used to process weldless ringy parts, especially high temperature resistant and high strength alloy ringy parts. Moreover, it is widely used in aerospace, aviation, shipping, petrochemical industry, electric energy sources and many other industrial departments.



Major Technical Parameters of D51\D52\D53K



ITEM UNIT MODEL (vertical) MODEL (horizontal)
D51-
160B
D51Y-
250C
D51-
400
D51-
450A
D51-
500
D52-
630
D51-
1000
D53K-
3000A
External diameter 
of roller
mm 55-
160
80-
250
200-
400
220-
450
220-
500
250-
630
300-
1000
400-
3000
Height of roller mm 40 60 100 120 200 40-
170
250 80-
700
Vertical rolling 
pressure
kn 50 100 180 350 450 700 750 2000
Axial rolling 
pressure
kn               1600
Stroke of slide mm 60 100 130 180 180 480 480 800
Speed of
rolling line
m/s 2.5 2.3 2.0 2.5 1.6 1.6 1.6 0.4-1.6
Power of main 
electric machine
kw 18.5 37 75 75 132 132 200 4×315
Overall dimension Left-to-
Right
mm 1700 2600 3670 3670 4850 5230 5725 16320
Front -to
- Back
mm 1525 2300 2650 2710 2724 1900 2100 3150
Overground
height
mm 1700 2530 3100 3160 4220 2530 2800 5770
Mass kg 2750 7000 12500 14000 19000 30000 35000 220000

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