| 摘要 |
<p>Moulding machine as in 1289954, has an electrical control device with two limit switches (1) connected to it. A servo valve spool (3) operates the lifting device of the press plate (2). One of (1) is a setting device (4) operated by the piston of the measuring device, the other is an actual valve device which, when operated by (2) closes (3). To adjust (2) to filling position, the height of (4) is adjusted by predetermined amounts by means of a time relay contained in the control device.</p> |
