| US 7,462,025 B2 | ||
| Controller for injection molding machine | ||
| Tatsuhiro Uchiyama, Gotenba (Japan); and Osamu Saito, Yamanashi (Japan) | ||
| Assigned to Fanuc Ltd, Yamanashi (Japan) | ||
| Filed on May 19, 2006, as Appl. No. 11/436,765. | ||
| Claims priority of application No. 2005-162534 (JP), filed on Jun. 02, 2005. | ||
| Prior Publication US 2006/0276927 A1, Dec. 07, 2006 | ||
| Int. Cl. B29C 45/77 (2006.01) | ||
| U.S. Cl. 425—143 [425/145] | 4 Claims |
| 1. A controller for an injection molding machine that performs control of pressure in a pressure holding step by pressure
feedback control, the controller comprising:
torque limiting value setting means for setting, every cycle after the start of the pressure holding step, a torque limiting
value in a direction opposite to a forward direction of a screw at the time of injection; and
means for limiting the torque every cycle in accordance with the torque limiting value which are set in said torque limiting
value setting means.
|