Finding the right custom extrusion and plastics company to manufacture and provide a key custom component to your end-product needs can often seem a daunting task. With an abundance of responses to a Google query or a review of trade publications, the effort can be a great example of the so-called paradox of choice. Less is sometimes more, and being able to filter down your choices intelligently while understanding what makes the plastics manufacturing industry tick may help relieve purchaser anxiety and complexity.

Creating a Technically Advanced Medical Tube: An Independent Extruder’s Perspective

TBMG-2170403/01/2015

With catheters and medical devices becoming increasingly advanced and specialized, so has the process of creating that device. With complex designs, or parts, having exacting/enhanced physical functional characteristics, one cannot just pick up a phone to order a custom extrusion from a catalog. Sourcing the components of the new device is the first issue, and often times the most difficult component to procure is the extruded part. Creating a new extruded part makes partners of the designers of the device and the extrusion house. (See Figure 1)

Characterization of Flow Drill Screwdriving Process Parameters on Joint Quality

2014-01-224109/16/2014

A state of the art proprietary method for aluminum-to-aluminum joining in the automotive industry is Resistance Spot Welding. However, with spot welding (1) structural performance of the joint may be degraded through heat-affected zones created by the high temperature thermal joining process, (2) achieving the double-sided access necessary for the spot welding electrodes may limit design flexibility, and (3) variability with welds leads to production inconsistencies. Self-piercing rivets have been used before; however they require different rivet/die combinations depending on the material being joined, which adds to process complexity. In recent years the introductions of screw products that combine the technologies of friction drilling and thread forming have entered the market. These types of screw products do not have these access limitations as through-part connections are formed by one-sided access using a thermo-mechanical flow screwdriving process with minimal heat. The friction

Skovron, Jamie, Mears, Laine, Ulutan, Durul, Detwiler, Duane, Paolini, Daniel, Baeumler, Boris, Claus, Laurence

Novel Polymer Technology Bids Farewell to Tri-layer

TBMG-2043509/01/2014

Modern medicine has come a long way from the reed catheters of ancient Syria or the metal tubes of Benjamin Franklin’s time. As doctors discover more and more ways to utilize minimally invasive procedures, the demand for lower profile catheters with increasingly greater applications rises. Additionally, more control is required from the doctor’s perspective in order to successfully navigate through the body’s tortuous anatomy. With a catheter-based delivery system this means that not only must the device be smaller, but also exponentially more robust from a performance perspective. Advanced material formulations have paved the way for these added performance characteristics while helping to create a lower cost environment for design engineers to develop new and innovative products.

Rubber, Fluorocarbon Elastomer, Improved Perfrormance At Low Temperatures

AMSR83485A (Current)05/28/2014

This specification covers high temperature, compression set, and fluid resistant fluorocarbon elastomer sheets, strips, molded parts, and extruded shapes for aeronautical and aerospace applications. This material differs from other fluorocarbon elastomers because of its improved low temperature performance of approximately 25°F.

AMS CE Elastomers Committee

Lowering the Costs of Organ Cell Printing

TBMG-19441

04/01/2014

A specialized 3D printing extruder developed by students at the University of Alabama in Huntsville could lower the costs of printing cellular structures for use in drug testing. Using the so-called CarmAl extruder (Carbohydrate Anhydrous Rapid Manufacturing Aluminum extruder), its controlling software, and manufacturing processes, they have produced a sugar grid mimicking blood vessels.

Tolerances, Metric Rubber Products

MAM2279B (Current)03/19/2014

This specification covers established metric (SI) manufacturing tolerances applicable to non-cellular rubber products ordered to metric dimensions. These tolerances apply to all conditions, unless otherwise noted. The term "exclusive" applies only to the higher figure of the specified range.

AMS CE Elastomers Committee

Minimally Invasive, Maximally Innovative: Polymer Science and Extrusion Plays Vital Role

TBMG-19237

03/01/2014

William “Bill” Cook started Cook Medical out of a spare bedroom in his Bloomington, IN, apartment in 1963. It was where he and his wife, Gayle, made guide wires, guiding catheters, and other small devices used in diagnostic radiology.

Aluminum Alloy Tempers

AS1990C (Historical)11/26/2013

AMS D Nonferrous Alloys Committee

Microgravity Storage Vessels and Conveying- Line Feeders for Cohesive Regolith

TBMG-1696408/01/2013

Under microgravity, the usual methods of placing granular solids into, or extracting them from, containers or storage vessels will not function. Alternative methods are required to provide a motive force to move the material. New configurations for microgravity regolith storage vessels that do not resemble terrestrial silos, hoppers, or tanks are proposed. The microgravity-compatible bulk-material storage vessels and exitfeed configurations are designed to reliably empty and feed cohesive material to transfer vessels or conveying ducts or lines without gravity. A controllable motive force drives the cohesive material to the exit opening(s), and provides a reliable means to empty storage vessels and/or to feed microgravity conveying lines. The proposed designs will function equally well in vacuum, or inside of pressurized enclosures.

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