Air Hole : A hole in a molding by air or gas trapped in the melt during solidification.
Air Traps : Converging flow fronts surround and trap a bubble of air or gas which will cause a surface blemish in the part .
Bottom Plate: The plate fixed to the moving half of die and facilitates attachment to the injection molding machine .
Cavity : The mold or die impression that gives a molding its external shape.
Core: Male potion of the mould, which forms internal shape of the component.
Cooling: Channels located within the body of a mold through which a cooling Channels medium is circulated to control the mold surface temperature.
Cycle Time : The time required by an injection molding system to mold a part and return to its original position/state.
Draft : An angle or taper on the surfaces of a pattern or insert that facilitates removal of parts from a mold or die.
Edge gate:Entrance to the part from the runner located on the parting line.
Ejector: A mechanism that pushes the solidified molding out of the die.
Feeding: In a molding, providing plastic melt to a region undergoing solidification, usually at a rate sufficient to fill the mold cavity ahead of the solidification front and to compensate for any shrinkage accompanying solidification.
Flash: A thin section of plastic formed at the parting surface.
Temperature :The material temperature at each point as that point was filled. The result shows the changes in the temperature of the flow front during filling.
Gate: Is a channel or orifice connecting the runner with the impression.
Guide Pillars : Cylindrical members meant to align the mold halves and are & Bushes made of hardened steel. Bushes are meant for wear resistance between housing and pillars.
Hesitation : Hesitation is a surface defect that results from the stagnation of polymer melt flow over a thin-sectioned area, or an area of abrupt thickness variation.
Housing : A metal block which houses inserts (core and cavity), pillars, return pins etc.
Injection: The process of forcing molten melt under pressure into molds.
Injection Location :The injection location is the place where the molten plastic is forced into the mold cavity.
Insert : A part formed from a second material, usually a metal that is placed in the molds and appears as an integral structural part of the final molding.
Locating ring: Is a circular member fitted to top-plate of the mould. Its purpose is to register the mould in its correct position on the injection machine.
Molding: Plastic part molded to the required shape by pouring or injecting melt into a mold, as distinct from one shaped by cutting or a mechanical working process.
Mold Temperature: The temperature at which the mold is maintained. Often the most important benefit of raising mold temperature is that it allows a slower injection rate without the plastic getting too cold.
Nozzle: Hollow metal hose screwed into the extrusion end of the heating cylinder of an injection machine designed to form a seal under pressure between the cylinder and the mold.
Parting Plane : In molding, the dividing plane between mold halves.
Runner: A Channel through which melt flows from one receptacle to another.
Sprue Bush: A bush with a tapered hole, which connects nozzle with runner.
Tie Bar: A bar-shaped connection added to a casting to prevent distortion caused by uneven contraction between two separate members of a casting.
Vent : A small opening or passage that facilitates the escape of gases when the melt is fills the die cavity.
Air Traps : Converging flow fronts surround and trap a bubble of air or gas which will cause a surface blemish in the part .
Bottom Plate: The plate fixed to the moving half of die and facilitates attachment to the injection molding machine .
Cavity : The mold or die impression that gives a molding its external shape.
Core: Male potion of the mould, which forms internal shape of the component.
Cooling: Channels located within the body of a mold through which a cooling Channels medium is circulated to control the mold surface temperature.
Cycle Time : The time required by an injection molding system to mold a part and return to its original position/state.
Draft : An angle or taper on the surfaces of a pattern or insert that facilitates removal of parts from a mold or die.
Edge gate:Entrance to the part from the runner located on the parting line.
Ejector: A mechanism that pushes the solidified molding out of the die.
Feeding: In a molding, providing plastic melt to a region undergoing solidification, usually at a rate sufficient to fill the mold cavity ahead of the solidification front and to compensate for any shrinkage accompanying solidification.
Flash: A thin section of plastic formed at the parting surface.
Temperature :The material temperature at each point as that point was filled. The result shows the changes in the temperature of the flow front during filling.
Gate: Is a channel or orifice connecting the runner with the impression.
Guide Pillars : Cylindrical members meant to align the mold halves and are & Bushes made of hardened steel. Bushes are meant for wear resistance between housing and pillars.
Hesitation : Hesitation is a surface defect that results from the stagnation of polymer melt flow over a thin-sectioned area, or an area of abrupt thickness variation.
Housing : A metal block which houses inserts (core and cavity), pillars, return pins etc.
Injection: The process of forcing molten melt under pressure into molds.
Injection Location :The injection location is the place where the molten plastic is forced into the mold cavity.
Insert : A part formed from a second material, usually a metal that is placed in the molds and appears as an integral structural part of the final molding.
Locating ring: Is a circular member fitted to top-plate of the mould. Its purpose is to register the mould in its correct position on the injection machine.
Molding: Plastic part molded to the required shape by pouring or injecting melt into a mold, as distinct from one shaped by cutting or a mechanical working process.
Mold Temperature: The temperature at which the mold is maintained. Often the most important benefit of raising mold temperature is that it allows a slower injection rate without the plastic getting too cold.
Nozzle: Hollow metal hose screwed into the extrusion end of the heating cylinder of an injection machine designed to form a seal under pressure between the cylinder and the mold.
Parting Plane : In molding, the dividing plane between mold halves.
Runner: A Channel through which melt flows from one receptacle to another.
Sprue Bush: A bush with a tapered hole, which connects nozzle with runner.
Tie Bar: A bar-shaped connection added to a casting to prevent distortion caused by uneven contraction between two separate members of a casting.
Vent : A small opening or passage that facilitates the escape of gases when the melt is fills the die cavity.
Good work...
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ReplyDeleteYour blog provides a comprehensive overview of essential terms in injection molding, making it a valuable resource for both newcomers and seasoned professionals in the industry. The clarity in defining each term, from "Core" to "Runner," enhances understanding of the intricate processes involved. This will undoubtedly help readers navigate the complexities of mold design and manufacturing more effectively. Well done on compiling such informative content!
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This blog post provides a comprehensive glossary of injection molding terms, which is invaluable for both newcomers and experienced professionals in the industry. The definitions are clear and concise, covering essential terminology used in injection molding processes. It's a helpful reference for anyone looking to deepen their understanding of this manufacturing method. From [ZetarVac](https://zetarvac.com)
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