An injection unit includes an injection cylinder and a plasticizing screw in the injection cylinder. The plasticizing screw is rotatable about a longitudinal axis for plasticizing plastic raw material and is movable linearly along the longitudinal axis for injecting molten plastic raw material. The injection cylinder has an infeed and plasticizing zone for the plastic raw material with a circular-cylindrical inner wall with a constant diameter along the longitudinal axis, a metering zone in front of the infeed and plasticizing zone along the longitudinal axis in the injection direction with a circular-cylindrical inner wall with a constant diameter along the longitudinal axis, and a nozzle head in front of the metering zone in the injection direction with a nozzle-shaped inner wall. The diameter of the circular-cylindrical inner wall of the metering zone is smaller than the diameter of the circular-cylindrical inner wall of the infeed and plasticizing zone.

Provided is an injection molding machine that can reduce variations in the position of a slider with respect to a prescribed position. An injection molding machine of one embodiment comprise: a second injection device as an injection device for injecting a resin to a mold from a direction intersecting an extension direction in which a tie bar extends; a slider that supports the second injection device and slides same along the extension direction with respect to a fixed platen; and an adjuster that is disposed on a side of the fixed platen opposite to side where the mold is disposed, that regulates the slider so that the slider does not slide, with respect to the fixed platen, beyond the prescribed position in a mold opening direction of the mold, and that is capable of adjusting the prescribed position in the extension direction.

Provided is an injection molding machine that can reduce variations in the position of a slider with respect to a prescribed position. An injection molding machine of one embodiment comprise: a second injection device as an injection device for injecting a resin to a mold from a direction intersecting an extension direction in which a tie bar extends; a slider that supports the second injection device and slides same along the extension direction with respect to a fixed platen; and an adjuster that is disposed on a side of the fixed platen opposite to side where the mold is disposed, that regulates the slider so that the slider does not slide, with respect to the fixed platen, beyond the prescribed position in a mold opening direction of the mold, and that is capable of adjusting the prescribed position in the extension direction.

To provide a new foam molding method and injection molding machine capable of solving variation in a wall thickness and a foamed state, sensor corrosion, a complexity of sensor positioning, and the like. The above-described problem is solved by a foam molding method comprising a resin filling step of filling a mold (2), clamped by a predetermined mold clamping force (Pc), with a resin (R) at a predetermined molding injection pressure (Pi), a filling stopping step of stopping the filling of the resin (R) when, while monitoring a mold gap (Lm) of the mold (2) during the filling, a predetermined mold gap value set in advance is reached, a surface layer curing and filled resin cooling step of curing a surface layer of the resin (R) for a certain time and cooling the filled resin (R) for a certain time after the filling of the resin (R) is stopped, a volume controlling step of controlling a volume increase by reducing the mold clamping force after curing the surface layer of the resin (R) for a certain time, and a taking out step of taking out a foam-molded product by opening the mold (2) after the volume control is performed and after cooling the filled resin (R) for a certain time.

To provide a new foam molding method and injection molding machine capable of solving variation in a wall thickness and a foamed state, sensor corrosion, a complexity of sensor positioning, and the like. The above-described problem is solved by a foam molding method comprising a resin filling step of filling a mold (2), clamped by a predetermined mold clamping force (Pc), with a resin (R) at a predetermined molding injection pressure (Pi), a filling stopping step of stopping the filling of the resin (R) when, while monitoring a mold gap (Lm) of the mold (2) during the filling, a predetermined mold gap value set in advance is reached, a surface layer curing and filled resin cooling step of curing a surface layer of the resin (R) for a certain time and cooling the filled resin (R) for a certain time after the filling of the resin (R) is stopped, a volume controlling step of controlling a volume increase by reducing the mold clamping force after curing the surface layer of the resin (R) for a certain time, and a taking out step of taking out a foam-molded product by opening the mold (2) after the volume control is performed and after cooling the filled resin (R) for a certain time.

An injection molding machine device includes at least two guide rods. One end of each guide rod is fixed to a rack, and the other end of each guide rod is fixed to a fixed base body. A movable base body is provided opposite to the fixed base body. The movable base body slides along the guide rods relative to the fixed base body. At least one correction mechanism is located between the movable base body and the guide rail to adjust a movement of the movable base body in a vertical direction. A predetermined clearance value and/or a predetermined contact force value exist between the components. At least one sensor is electrically connected to a controller. The controller correspondingly controls the correction mechanism by determining whether corresponding detecting values of the sensor match with the predetermined clearance values and/or the predetermined contact force values.

An injection molding machine device includes at least two guide rods. One end of each guide rod is fixed to a rack, and the other end of each guide rod is fixed to a fixed base body. A movable base body is provided opposite to the fixed base body. The movable base body slides along the guide rods relative to the fixed base body. At least one correction mechanism is located between the movable base body and the guide rail to adjust a movement of the movable base body in a vertical direction. A predetermined clearance value and/or a predetermined contact force value exist between the components. At least one sensor is electrically connected to a controller. The controller correspondingly controls the correction mechanism by determining whether corresponding detecting values of the sensor match with the predetermined clearance values and/or the predetermined contact force values.

A mold die includes: a mold die body that is configured to hold an object to be molded, the object including a substrate and a chip mounted in a central area of the substrate, and that has a cavity which is rectangular in a plan view and which is configured to receive a resin material, the mold die body including: a pot for containing the resin material; a gate disposed at one side of the cavity and configured to allow the resin material to flow into the cavity; and a flow-path restricting mechanism that is disposed on both lateral sides of the cavity that are perpendicular to the one side and that is configured to narrow lateral flow paths, the lateral flow paths being flow paths for the resin material flowing through the cavity in which the chip is not disposed.

An injection molding system and method that injects resin into a mold and conveys at least one mold, wherein the improvement to the injection molding system and method includes driving a support member that supports the mold, wherein the mold is conveyed based on a movement of the support member between a first position where the injection nozzle injects the resin into the mold and second position different from the first position.

An injection molding system and method that injects resin into a mold and conveys at least one mold, wherein the improvement to the injection molding system and method includes driving a support member that supports the mold, wherein the mold is conveyed based on a movement of the support member between a first position where the injection nozzle injects the resin into the mold and second position different from the first position.