Air trap

Air trap

An air trap is an air or gas bubble that has been trapped by converging flow fronts or trapped against the cavity wall. This causes a surface blemish on the part. Air traps can be prevented by changing the gate location or part thickness. Good practise is to place vents in the mould at the air trap location.

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Part of Speech: noun
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Industry/Domain: Software
Category: CAM
Company: Moldflow
Product: Moldflow Plastics Advisers
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Related terms

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barrel capacity

Software; CAM

The barrel capacity is the maximum weight of material that a machine can produce from one forward motion of the ram or screw.

barrel effect

Software; CAM

The barrel effect is the effect of material compressibility while the material is in the barrel of the injection molding machine. This compressibility can be significant. A ...

batch

Software; CAM

A batch is the quantity of polymer that is made in one operation. A batch is also referred to as a lot In CAE products, batch refers to the execution of consecutive analyses in ...

bending moment

Software; CAM

A bending moment is the force or load applied to an entity that produces bending of that entity around an axis.

boss

Software; CAM

A boss is a raised projection in a molded part that usually has a hole in it to provide additional material for supporting a mechanical fastener, such as a screw.

boundary representation solid

Software; CAM

A boundary representation solid is a model format produced from a surface modeling CAD system. The solid is defined as a list of surfaces that enclose a volume.

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