Skok Machine Tools

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Mega - Thread Rolling Machines - PR-30A / 60A
Mega - Thread Rolling Machines - PR-30A / 60A

This machine is designed for the thread/profile forming on the thin pipes/tubes, which equipped with 3 same size rolling shafts and needs 3 pieces of rolling dies while rolling. These three shafts are swivel able to ensures optimum capacity and use in making threads and axially parallel profiles in the through-feed process. For this special through-feed process automatic feed of the work is necessary.
This machine can also be used in the in-feed process with parallel die axes, the length of the profile to be rolled depends on the width of the rolling dies, there is no axial movement of the workpiece.
Tapered pipe thread (PT,FT series) forming are most common applications by this machine.



SPECIFICATIONS
MODEL
PR-30A
PR-60A
Range of thread
Max. diameter 
30 mm
100 mm
Min. diameter
10 mm
18 mm
Pitch
0.5-2.5 mm
0.75-6.0 mm
Range of length
(in-feed)
20 mm
50 mm
Range of length
(thru-feed)
Free
Free
Rolling Dies
Speed range
200-650 RPM
130-450 RPM
Max. diameter
80 mm
120 mm
Bore diameter
25.4 mm
40 mm
Width range
40 mm
50 mm
Key way
6 mm
8 mm
Range of Dies spindle distance
Max. distance
130 mm
210 mm

Min. distance

50 mm
90 mm
Max. rolling pressure
10 Tons
20 Tons
Main power
1.5 kw
3.75kw
Hydraulic power
0.75 kw
2.2 kw
Coolant power
0.18 kw
0.18 kw
Height from floor to spindle center
850 mm
950 mm
Floor space required
1080L x 850W mm
1250L x 1250W mm
Over height
1400 mm
1450 mm
Weight 
Net weight
550 kgs
1150 kgs
Gross weight
750 kgs
1400 kgs