Extruders

Diamond America die flow simulation

Extrusion Die Design Series – #2

Simulate flow conditions and adjust geometry for optimal flow with Diamond America’s CFD software. In our first Die Design blog post, we outlined the rich heritage of Akron Tool & Die (ATD) and the beginning of “That’s An Akron Part” – known to many in the industry as ATD’s quality and precision in die making. …

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baked goods sticky extruder situation

Diamond America gets baked goods customer out of a sticky situation

New extruder with custom feeder design helps a baked goods manufacturer out of a sticky situation Akron, OH – “Drew and the Diamond America team worked very quickly to replace our existing extruder which was continually overheating. We sent two shipments of dough to Diamond America for testing in their lab. The first test provided …

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Original 1941 ATD time ticket

Extrusion Die Design Series – #1

Time Tested Extruder Dies – A Brief History of Our Roots in Die Design Akron, OH – Founded in 1941 to provide precision machining for the rubber industry, Akron Tool & Die (ATD) experienced rapid growth and began servicing the plastic industry with extrusion dies and related components for polymer processing. Through the years, the …

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New Manufacturers Rep – Products For Progress

Diamond America Welcomes New Manufacturers Rep Akron, OH – Diamond America, a leader in custom extrusion, equipment design, and manufacture, has appointed Products For Progress, Inc. (PFP) of Shawnee, Kansas as their new manufacturer’s representative for the Midwest territory of Kansas, Nebraska, Missouri, Iowa, and Oklahoma. PFP has been in business for over 35 years …

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modular monolith die

Modular Monolith Die Improves Efficiencies

In response to a specific customer requirement, Diamond America engineers had to challenge convention and rethink the design of a monolith die. Commonly used for extruding catalysts and some food products, a monolith die produces an outer profile that contains many channels, separated by thin walls. The final product is reminiscent of a honeycomb in …

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Extruder Deal Design

Seal Design Innovations Help Reduce Machine Maintenance and Downtime

Seals are an essential component of our oil-filled gear boxes that we design and manufacture in-house for all of our cold feed extruders. In our continuing quest to improve the efficiency of Diamond America extruders, we have stepped up our game in the use of seals. Working in conjunction with a major supplier of seals …

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benefits of a great finish on a barrel liner

The Benefits of a Great Finish on Barrel Liners

Machining special shapes such as complex extrusion dies, or the grooves in barrel liners, is accomplished by Electrical Discharge Machining or EDM. A small wire laces through the steel, cutting it with very precise accuracy to tolerances of .0004. Parts formed using the EDM process have a very distinct color and surface finish. Smooth to …

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Cold Feed Extruder Venting

Cold Feed Extruder Venting for Continuous Production

Diamond America is pleased to introduce our first cold feed extruder with a vented barrel. Formerly, venting in a cold feed extruder was achieved by removing a batch of extrudate into a hopper or chute and pulling a vacuum on the material for a calculated period of time. Borrowing from the thermal plastics process, internal …

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barrel heat exchange

[VIDEO] – See How To Get Better Extrusion Thermal Control with Serpentine Flow

Extrusion process temperature control is crucial for many materials, especially those dealing with sensitive ingredients in the food and pharmaceutical industries. That’s why Diamond America engineers developed Serpentine Flow to provide better temperature uniformity, more quickly and continuously, without any dead spots along the barrel. We’ve received a lot of questions about how our Serpentine …

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