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3 Fundamentals of press design

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Sheet metal forming lines<br />

modules are also indicated; in this case <strong>of</strong> the blank loader. With the aid<br />

<strong>of</strong> the so-called zoom function, it is possible to access a detailed synoptic<br />

for each <strong>of</strong> the listed conditions. This can be actuated manually by<br />

selecting with the cursor, or in the “Automatic” synoptic mode. Here, a<br />

detailed synoptic is displayed automatically with the first unfulfilled<br />

condition. As synoptic displays are so clear and easy to understand,<br />

they are also used for the die changing sequence and for operator<br />

prompting. The die change synoptic displays all the sequential steps and<br />

their current execution status.<br />

Operator prompt synoptics provide the user with an indication <strong>of</strong> all<br />

the conditions for initiating individual functions in the “set-up” and<br />

“die change” modes (Fig. 4.4.46). The visualization system makes this<br />

type <strong>of</strong> synoptic available for each set-up function.<br />

The malfunction diagnostics system detects malfunctions occurring<br />

anywhere throughout the <strong>press</strong>. The visualization system indicates the<br />

existence <strong>of</strong> a malfunction in each image by highlighting the menu<br />

Fig. 4.4.46 User prompting for slide adjustments in a crossbar transfer <strong>press</strong><br />

Metal Forming Handbook / Schuler (c) Springer-Verlag Berlin Heidelberg 1998<br />

261

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