PT ZONE: Injection Molding

Know Your Options in Valve-Gated Hot Runners
Valve-gated hot-runner systems have been used for almost 50 years as a way to efficiently mold large parts. More (+)
Reshoring ‘Spark’ Helped Feed Thousands Post-Katrina
One emergency order leads to reshoring of other parts by a family-owned processor. More (+)

MOST RECENT CONTENT: Injection Molding

June’s Index: 46.8

But plants with 100-249 employees expand for fourth straight month.

TOOLING: Let’s Get Serious About Mold Cooling: Part 2

Some creative thinking with conventional technology, like small cooling lines and bubblers, can generate big improvements in cooling and cycle times.

Engel Previews K 2016 Introductions

Advances in mold cooling, machine condition monitoring, and in-mold decorating will be key exhibits in Dusseldorf.

INJECTION MOLDING: Workcell Router for the 'Smart Factory'

Wittmann offers a single "gateway to the workcell" for Industry 4.0.

Wittmann’s 40th Anniversary Gala Unveils a Host of New Products

New machinery, robots, and auxiliaries demonstrate continued momentum of technical development—and preview some K 2016 exhibits.

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OVERVIEW:
Injection Molding

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In injection molding material is fed through a hopper into an extruder, where a reciprocating screw mixes and melts the material then injects it into a mold. Injection molding machines, or presses, are rated by tonnage, which expresses the amount of clamping force that the machine can exert to keep the mold closed during the process. Most polymers can be injection molded. The types of products that are molded are wide and varied, ranging from large automotive parts to tiny gears. Navigate from the Injection Molding Zone to more specific topics on all-electric/hybrid machine technology, liquid-silicone rubber molding, micro-molding and multiu-component molding.


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» Blending & Dosing

Is dosing good enough? Do I need a Blender? Let Maguire walk you through the basics, process integration and more.

 

» Plastics Conveying

Watch video, download datasheets and more in the Plastics Conveying Knowledge Center.

» Plastics Drying

Novatec shares their knowledge of dryers and drying techniques.

» Plastics Feeding

Learn about continuous feeder types and their operation.

» Purging Compound

Sooner or later you will need to purge your machine. Which material should you use to purge your screw and barrel?

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