A hydraulic drive apparatus includes a first hydraulic pump, a drive motor connected to the first hydraulic pump, a hydraulic line system connecting the first hydraulic pump to the consumer, and a closed-loop control unit. The closed-loop control unit has a first switching element to change a displacement volume of the first hydraulic pump between a predetermined minimum value and a maximum value. A second hydraulic pump is connected to the drive motor, and the hydraulic line system connects the second hydraulic pump to a consumer and has a first branch line connected to the first hydraulic pump, a second branch line connected to a second hydraulic pump, and a main line. The two branch lines open into the main line, and the closed-loop control unit has a second switching element for changing a displacement volume of the second hydraulic pump between a predetermined minimum value and a maximum value.

A method of adjusting a molding condition parameter of a molding machine includes determining change values of a plurality of molding condition parameters set in a molding machine in a molding process cycle, determining change timings of the plurality of parameters determined as objects to be changed with reference to timing information when the change values of the plurality of molding condition parameters are determined, and sequentially changing the plurality of parameters determined as objects to be changed according to the determined change timings.

A method for controlling temperature rise in divided heating zones of a barrel of a molding machine includes: setting tentative target temperatures for the respective heating zones; simultaneously raising temperatures in the heating zones to the set tentative target temperatures; when temperatures in the heating zones reach the respective tentative target temperatures, selecting a master zone from the heating zones, and selecting, as a slave zone, a heating zone which is other than the master zone among the heating zones; and after temperatures in the heating zones reach the respective tentative temperatures, raising the temperatures in the master zone and the slave zone to respective final target temperatures according to an attainment degree of temperature rise in the master zone.

A computing system may include an eject direction determination engine configured to determine an eject direction for an injection mold design, including by determining a set of candidate eject directions for the injection mold design, including a bounding box candidate eject direction determined based on a minimum bounding box of an object representative of a product to be manufactured through the injection mold design and selecting the eject direction for the injection mold design from the set of candidate eject directions based on eject direction determination criteria. The computing system may also include an eject direction application engine configured to set the determined eject direction for the injection mold design so that physical mold pieces constructed from the injection mold design are configured to separate from one another in the determined eject direction during an injection mold production process to manufacture the product.

A molding machine includes: a clamping device configured to open, close, and clamp a mold; an injection device configured to inject a molding material into a cavity of the clamped mold; a display device configured to display information; and a control device configured to control the clamping device, the injection device, and the display device. The control device causes the display device to display a warranty list screen displaying respective identifiers of a plurality of components constituting the molding machine in a list for each warranty period.