Glossary

There’s a lot of industry terms to sort through in manufacturing. Explore our glossary for quick definitions of frequently used manufacturing terms and acronyms.

B-Side
The B-side is often the inside or non-cosmetic side of a molded part. This side is usually formed by the core or B-plate of the mold tool in injection molding or pressure die casting.
Baffle
Flat or corkscrew shaped blades of metal inserted into the coolant channels of a mold tool to create a return coolant circuit within that channel.
Ball Nosed Endmill
In machining, a ball nosed endmill has a semi-circular cutting edge of a single radii.
Barrel (Molding Machine)
Cylinder housing the screw and check ring of a plastic injection molding machine. The barrel is also heated to help melt the plastic resin within.
Bosses
Projections or protrusions in cast or injected molded parts.
Bubblers
Typically thin, hollow tubes that are fitted into drilled holes of an injection mold tool to supply coolant in narrow or hard to reach areas.
Build Plate
Platform used in additive manufacturing upon which the layers of the part are built.
Bull Horn Gate
A type of submarine gate which gates on a face formed by the parting line.
Bullnose End Mill
Similar to a standard endmill, these cutting tools have radiused corners of a known size.
Bump Off
A shallow undercut area of a molded part that is able to be formed without lifters, sliders or handloads.

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