PT ZONE: Injection Molding

Tooling at NPE: Valve Gates & Multi-Tips Top the News In Hot Runners
There’s no letup in development of sophisticated hot-runner nozzles and controls. Here’s news in these and other tooling products at the show. More (+)
Second Contraction in Three Months
Slowdown among small-to-mid-size processors drags index down. More (+)

MOST RECENT CONTENT: Injection Molding

Troubleshooting Material Burning In Hot-Runner Systems

Burns in hot runners can be misleading and hard to diagnose correctly. Follow these tips to track down the root cause of your problem.

On-Site: A Big Molder’s Technical Engineering Plus a Small Company’s Customer Service

That’s the formula for rapid growth at a new/old firm serving medical, military, and aviation markets.

Sandretto’s 3D Printer Highlights MilanPlast Show

A second injection press supplier throws its hat into the 3D ring. Meantime, several Italian suppliers’ growth plans target North America.

INJECTION MOLDING: How to Specify an Injection Molding Machine

In part two of a three-part series, the focus is on the injection unit.

INJECTION MOLDING: Engel Unveils Easix Robot Range In New Sizes

The new large Engel easix robots expand the range of industrial robots for use with large-size machines.

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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?

Product Announcements

INJECTION MOLDING: Engel Unveils Easix Robot Range In New Sizes
ENGEL 6/25/2015
MATERIALS: Fiber-Reinforced & Low-Volatility LSRs
Momentive Performance Materials Inc. 6/1/2015
INJECTION MOLDING: Sensors & Controls at NPE
Kistler Instrument Corp. 6/1/2015
CONTROLS & DRIVES: Slew of Control Packages For All Processors
Siemens Industry Inc., Solutions, Automation & Drive Technologies 5/18/2015
PURGING: Device Makes Purging Safer, Simpler
Dyna-Purge, Div. of Shuman Plastics, Inc. 4/28/2015

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