3 Fundamentals of press design

196 Sheet metal forming and blanking
stroking rate [1/min]
stroking rate [1/min]
100
90
80
70
60
50
40
30
20
10
0
1000
900
800
700
600
500
400
300
200
100
0
500
20
feed performance of a blanking press
crank angle available
for transport
300°
270°
240°
210°
180°
1000 1500 2000 2500 3000 3500 4000
feed step [mm]
feed performance of a high-performance line for small and medium-sized parts
crank angle available
for transport
300°
270°
240°
210°
180°
40 60 80 100 120 140 160 180 200
feed step [mm]
Fig. 4.3.2 Feed performance diagrams of a blanking press and of a high-performance
line for small and medium-sized parts
Metal Forming Handbook / Schuler (c) Springer-Verlag Berlin Heidelberg 1998