In a method of manufacturing a magnet embedded core (1), creation of unnecessary resin from the resin for fixedly securing the magnet is prevented. The method includes a resin charging step of charging resin material (3) in solid form into the magnet insertion hole; a melting step of melting the resin material (33) in the magnet insertion hole, and a pressurization step of pressurizing an interior of the magnet insertion hole (3). The melting step includes melting the resin material (33) at least partly by preheating and inserting the magnet (4) into the magnet insertion hole (3).

The present invention discloses an injection molding control method. The injection molding control method comprises the following steps: establishing a work command according to a plurality of production process parameters; receiving a position information directly from an injection molding machine; and controlling a servo pump to drive the injection molding machine according to the position information and the work command.

The present invention discloses an injection molding control method. The injection molding control method comprises the following steps: establishing a work command according to a plurality of production process parameters; receiving a position information directly from an injection molding machine; and controlling a servo pump to drive the injection molding machine according to the position information and the work command.

A specific mold status Ac is caused in advance in which the interval of an inner portion Xi in the parting plane direction of a parting gap C between a fixed mold 2c and a movable mold 2m during the injection filling is larger than the interval of an outer edge portion Xo and the interval of the outer edge portion Xo is equal to or lower than a predetermined size Ls including 0. A molding injection pressure Pi is set as an injection pressure at which a non-defective product can be molded and a molding mold clamping force Pc is set as a mold clamping force by which a non-defective product can be molded. During the production, a mold 2 is clamped by a molding mold clamping force Pc and the clamped mold .sub.2 is filled with the injected resin R by a molding injection pressure Pi. After a predetermined cooling time Tc has passed, a molded piece G is removed.

A specific mold status Ac is caused in advance in which the interval of an inner portion Xi in the parting plane direction of a parting gap C between a fixed mold 2c and a movable mold 2m during the injection filling is larger than the interval of an outer edge portion Xo and the interval of the outer edge portion Xo is equal to or lower than a predetermined size Ls including 0. A molding injection pressure Pi is set as an injection pressure at which a non-defective product can be molded and a molding mold clamping force Pc is set as a mold clamping force by which a non-defective product can be molded. During the production, a mold 2 is clamped by a molding mold clamping force Pc and the clamped mold .sub.2 is filled with the injected resin R by a molding injection pressure Pi. After a predetermined cooling time Tc has passed, a molded piece G is removed.

The invention relates to a moulding system (100) comprising a structure (102), a fixed mould (104) fixed to the structure (102), a first mobile mould (106) mounted with translational mobility on the structure (102) between an open position in which the first mobile mould (106) is away from the fixed mould (104) and a closed position in which the first mobile (106) is against the fixed mould (104), and a monitoring system (150) which comprises: a first reference surface (152) solidly fixed to the fixed mould (104) and parallel to the direction of translational movement (50) of the first mobile mould (106), a first sensor (154) solidly fixed to the first mobile mould (106) which comes to bear against the first reference surface (152) and is configured to measure a first distance perpendicular to the first reference surface (152), and a control unit (156) which is connected to the first sensor (154) and which is configured to detect a deviation in the first distance measured by the first sensor (154) with respect to a first tolerance band.

The invention relates to a moulding system (100) comprising a structure (102), a fixed mould (104) fixed to the structure (102), a first mobile mould (106) mounted with translational mobility on the structure (102) between an open position in which the first mobile mould (106) is away from the fixed mould (104) and a closed position in which the first mobile (106) is against the fixed mould (104), and a monitoring system (150) which comprises: a first reference surface (152) solidly fixed to the fixed mould (104) and parallel to the direction of translational movement (50) of the first mobile mould (106), a first sensor (154) solidly fixed to the first mobile mould (106) which comes to bear against the first reference surface (152) and is configured to measure a first distance perpendicular to the first reference surface (152), and a control unit (156) which is connected to the first sensor (154) and which is configured to detect a deviation in the first distance measured by the first sensor (154) with respect to a first tolerance band.

In an injection molding system, bolt position related information recognizing unit which recognizes an attachment position of a bolt for each attachment is provided. Based on the attachment position of the bolt, or the attachment position of the bolt and a phase of the bolt stored in the bolt position storage unit, bolt attaching and detaching unit attaches and detaches the bolt to and from the attachment. Thus, even if the position of the bolt varies in accordance with the attachment, it is possible to attach and detach the bolt by recognizing the attachment position of the bolt.

In an injection molding system, bolt position related information recognizing unit which recognizes an attachment position of a bolt for each attachment is provided. Based on the attachment position of the bolt, or the attachment position of the bolt and a phase of the bolt stored in the bolt position storage unit, bolt attaching and detaching unit attaches and detaches the bolt to and from the attachment. Thus, even if the position of the bolt varies in accordance with the attachment, it is possible to attach and detach the bolt by recognizing the attachment position of the bolt.

There is disclosed a method (400) of ejecting a molded article (310, 312) from an injection mold (100). The method (400) comprises: during a second portion of the mold opening cycle of the injection mold (100), the second portion occurring later in time relative to a first portion of the mold opening cycle of the injection mold (100): controlling velocity of at least one of: (i) the moveable mold half (102, 502) relative to the stationary mold half (104, 504), (ii) the ejector (230) relative to the moveable mold half (102, 502); and (iii) an ejector actuator linked to the core insert (112, 114, 512, 514); and (iv) a stripper actuator that is linked to the stripper sleeve (116, 516); the controlling executed such that the molded article (310, 312, 506) is ejected from the molding component with a substantially zero departure-velocity along the first axis of operation.