Fig. 25 Ram stroke during fine-blanking in a mechanical press More

Fig. 5 Principal components of a single-action straight-side mechanical press. The press shown has a large bed, four-point suspension, and an eccentric drive with counterbalance cylinders. Slide adjustment is motorized. More

Fig. 4 Drive mechanism of a mechanical press brake More

Fig. 5 Stroke cycle of a mechanical press brake More

Fig. 6 Available tonnage curve for a typical mechanical press brake More

Fig. 12 Available tonnage curve for a mechanical press brake More

Fig. 15 Displacement and velocity curves of a mechanical press More

Fig. 3 Principal components of a mechanical press brake More

Fig. 9 Use of a grooved die in a mechanical press for bending a round bar into a U-bolt in one stroke More

Fig. 10 Welded bar assembly that was formed by bending in a mechanical press. Dimensions given in inches More

Fig. 7 Principle of operation of a mechanical press driven by a pitman arm (connecting rod) More

Fig. 9 Principle of operation of a mechanical press with a Scotch yoke drive. (a) The ram is at the top of the stroke; the Scotch yoke is centered. (b) Scotch yoke is in the extreme forward position midway through the downward stroke. (c) At bottom dead center, the Scotch yoke is in the center More

Fig. 11 Schematic of a toggle (or knuckle) joint mechanical press More

Fig. 14 Four-bar linkage mechanism for mechanical press drives More

Fig. 21 Principal components of a mechanical press brake More

Fig. 14 Four types of drive and clutch arrangements for mechanical presses. (a) Nongeared (or flywheel) drive. (b) Single-reduction, single-gear drive; clutch in gear. (c) Single-reduction, twin-gear drive; clutch on driveshaft. (d) Multiple-reduction, twin-gear drive; clutch on intermediate More

Fig. 15 Operating principles of various drive systems for mechanical presses More

Fig. 2 Four types of drive-and-clutch arrangements for mechanical presses More

Fig. 4 Operating principles of various drive systems for mechanical presses More

Fig. 23 Mechanical fine-blanking press More