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Forging Screw Press (Up Stroke)
These screw presses are specially designed to make bolt head of any kinds of nuts, rivets, motor parts, axle half shaft, engine valve and nonferrous forgings. Vincent presses are screw presses with friction drive on which the forging blow takes place in an upward direction i.e. from bottom towards top. On machines employing the vincent principle The screw nut is positioned in the top cross head of a frame type ram.

Thus ram being moved upwards in exial direction by rotation of longitudinally fixed screw. The bottom die of the Forging tools is secured to the lower cross head of the ram while the top die is fitted to a fixed bridge which is the part of the machine frame be employing this design, the forging forces do not act on the machine frame but are sustained by the ram. Ejector is provided at the lower part of the ram.
 
SPECIFICATIONS
Model Nomi. Capa. Dia of Screw Stroke of Slide Table Pieces / Hr. Max Dia of Bolt Capable Forging Max Length of Bolt Capable Forging Founda. Pulley Size Power Requ.
Tons mm / inch mm / inch mm / inch   mm / inch mm / inch mm / inch mm / inch H.P. / R.P.M.
VFP 50 85/31/4 300/12 200 / 8 800-1200 12/1/2 250 / 10 840 x 585 100 / 4 B 3/1440
VFP 100 110/41/4 400/16 225 / 9 600-1000 20/3/4 300 / 12 930 x 610 100 / 4 B 7.5/1440
VFP 125 115/41/2 450/18 225 / 9 500-900 22/7/8 400 / 16 940 x 710 100 / 4 B 10/1440
VFP 150 130/51 500/20 250 / 10 400-700 32/11/4 450 / 18 1080 x 750 125 / 5 C 15/1440
VFP 200 135/53/6 550/22 275 / 11 300-600 38/11/2 500 / 20 1115 x 790 125 / 5 C 20/1440
VFP 300 155/61/8 600/24 275 / 11 200-500 50/2 600 / 24 1200 x 860 200 / 8 C 25/960
VFP 400 175/7 650/26 300 / 12 150-300 63/21/2 650 / 26 1320 x 1000 200 / 8 C 30/960
VFP 500 200/8 700/28 335 / 13 80-250 75/3 700 / 28 1470 x 1050 200 / 8 C 40/960
VFP 630 225/9 760/30 355 / 14 70-225 90/3)4 760 / 30 1525 x 1100 200 / 8 C 50/960
VFP 800 250/10 810/32 380 / 15 60-200 100/4 810 / 32 1600 x 1150 200 / 8 C 60/960
VFP 1000 275/11 865/34 405 / 16 50-150 115/41/2 860 / 34 1750 x 1250 200 / 8 C 70/960
 
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