An injection molding includes: a clamping mechanism (conversion mechanism and toggle mechanism) for moving a fixed platen that retains a fixed die toward a fixed platen that retains a fixed die to bring the fixed die and the movable die into contract, and generating a clamping force therebetween; a drive source (mold opening/closing motor) for driving the clamping mechanism; a clamping force detection unit for detecting the clamping force; an elongation value detection unit for detecting an elongation value indicating the amount of elongation of a tie bar that extends as the clamping force is generated; and an abnormality determination unit for determining an abnormality in the injection molding machine on the basis of the ratio of the elongation value and the clamping force.

The present invention provides a production process for a meal bowl and a meal bowl, the production process being, in sequence, a first injection molding, a first printing, a second printing, and a second injection molding, and the meal bowl obtained has upper transparent shell, pattern layer, separation layer, and soft plastic layer, and the presence of upper transparent shell eliminates the possible presence of industrial pigments, bowl bottom pattern ink or heavy metals in colored glazes, which potential harm to humans or infants, and low food safety risk.

An injection molding system includes a plurality of inspection apparatuses for inspecting molded article quality, a unit that transports a molded article molded by an injection molding machine, a molded article containment unit that is provided for each of types of post-treatment operations needed for the molded article, a transport destination designation unit that selects and designates the molded article containment unit to contain the molded article on the basis of a combination of inspection results from the plurality of inspection apparatuses, and a molded article sorting and transport unit that sorts and transports the molded article into the molded article containment unit designated by the transport destination designation unit.

The invention relates to a flame retardant (meth)acrylate composition combining an impact-resistant (meth)acrylic polymer (such as Solarkote? resin from Trinseo) with specific levels of selected organic phosphinate and selected organic phosphorous flame retardants. The composition is halogen free, with superior flame performance, flowability and impact resistance. The composition of the invention is melt-processible and can be co-extruded with a thermoplastic substrate material to obtain a multilayer structure, having a tough, impact resistant cap layer(s). The obtained multilayer structure can be further thermoformed into useful profiles and structures, such as the exterior housing of EV charging stations and car wash stations, automotive applications, aerospace, and building and construction applications.

A coinjection molded multi-layer container includes an inner layer, an outer layer, and a barrier layer. The inner layer includes a first polymeric material and forms an inside surface of the container. The outer layer includes the first polymeric material and forms an outside surface of the container. The barrier layer is located between the inner layer and the outer layer and includes a second polymeric material less permeable to gas than the first polymeric material. The barrier layer is biased toward the inside surface or the outside surface such that the inner layer and the outer layer have different thicknesses.

Controllability of an input amount of a filler is improved to manufacture a molded substance having higher performance. The molded substance is manufactured by using an injection molding machine including: a cylinder 11 having a supply port 13h which is located upstream and through which a resin pellet RP is supplied and a supply port 15h which is located downstream of the supply port 13h and through which a filler F is supplied; a screw S disposed inside the cylinder; and a cutting machine 15. The cutting machine 15 continuously cuts a thread-state fiber (roving R) to a constant length, and inputs cut fiber pieces (filler F) into the supply port 15h.

A injection molding method involves measuring, using at least one external sensor, a change in a parameter of a mold side of a mold cavity, approximating a condition within the mold cavity based on the change in the parameter, such as pressure within the mold cavity or flow front position, and comparing the approximated condition to a trigger point. If the approximated condition equals or exceeds the trigger point, activating a virtual cavity sensor having an optimal pre-defined pressure-time curve, and upon activation, the virtual cavity sensor tracks an approximated condition calculated from the change in parameter measurements measured by the at least one external sensor over time. In an embodiment, results of the approximated parameter tracking can be used in conjunction with an optimal pre-defined pressure-time curve.

Non-time dependent measured variables are used to effectively determine an optimal ejection time of a part from a mold cavity. A system and/or approach may first measure at least one non-time dependent variable during an injection molding cycle. The part is ready to be ejected from the mold upon the measured variable reaching a threshold value indicative of, for example, a part temperature dropping below an activation temperature.

A method and a device for detecting a geometric feature of consistent molded parts takes into account the different stages of cooling due to different durations of transport of the individual removed molded parts to the inspection system. Both the geometric feature and the temperature of each molded part is measured. The detected geometric features are corrected using a calibration function taking into account the measured temperatures.

An injection molding system includes a molding device, an inspection device configured to inspect a molded product and a control device that includes a storage unit, and a reception unit configured to receive a change content of a parameter included in a standard molding condition. The control device executes a first control of forming the molded product under a second molding condition in which the parameter is changed based on the change content, a second control of forming the molded product under a third molding condition in which the same parameter is changed, a third control of associating the second molding condition with an inspection result of the molded product formed under the second molding condition and storing the association, and a fourth control of associating the third molding condition with the inspection result of the molded product formed under the third molding condition and storing the association.