PT ZONE: Injection Molding

Processors’ Growth Returns
After a one-month dip, the market expands once more, though the rate has slowed. More (+)
TOOLING: Venting: A View From the Trenches
Venting is a prime culprit for molding problems, partly because toolmakers and process techs have different ideas of what’s needed. More (+)


MOST RECENT CONTENT: Injection Molding

INJECTION MOLDING: Scientific Molding Gone Wrong

Sometimes molders get trained in Scientific Molding only to revert to their old way of doing things as soon problems pop up.

Tiebarless Training in Tennessee

A manufacturing education center and two new Engel injection molding machines are doing their part in Tennessee to help feed that state’s voracious appetite for skilled plastics workers in its burgeoning automotive industry.

Tech-Plas to purchase eight Toshiba machines

Tech-Plas will begin using the all-electric ECSX machines later this year to custom mold small parts for the electronics, medical, pharmaceutical and furniture industries.

Mission Point Energy talks the benefit of cogeneration systems for processors

For a customer in northern Mexico, Mission Point will install six modular systems that will generate 720 kW of electricity to produce 1,200 tons of chilled water capacity for use in its injection molding and assembly processes.

Last Chance to Benchmark Your Hourly Rates

Get your data in now for the Dec. 2014 Hourly Rates Survey, or we'll have to cancel that 6-month update.

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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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