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Fastening & Joining Monthly

The latest information on fastening and joining components

February 27, 2012
A welder willing to share
There are more jobs, but manufacturing is still in the dumps
Getting a grip while underwater
Getting the right preload for a realiable joint
Epoxy 101

Articles


A welder willing to share

Here's a blog entry on an expert welder willing to share tips and techniques on welding and tool fixtures.

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There are more jobs, but manufacturing is still in the dumps

Employment might be up, and so productivity, but the manufacturing outlook is not so bright.


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Brazing - Maximum Assembly Strength & Seal
Caught in a metals joining dilemna? Fasteners provide strength but no seal. Adhesives seal, but aren't strong enough. Achieve both with brazing. Brazing filler metal is placed at the joint between two metals and heated. When molten, it is distributed throughout the joint by capillary attraction. The continuous joint provides a strong, leak-proof seal.
Fusion Paste Alloys deliver all the ingredients for a sound brazed joint in one deposit. Atomized filler metal, flux and special binders are blended into one homogeneous mixture. Automatic dispensers apply the paste in measured amounts - especially cost effective for production brazing operations. www.fusion-inc.com

Getting a grip while underwater

Researchers develop a device that will let robots temporarily attach themselves to metal docks, ships and other underwater structures

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Gasket Tape - for extreme environmental sealing
Adhesive backed Silicone Foam and Closed Cell Silicone Sponge is available in Tape form from .062" to .250" thick. Pre-made master rolls enable fast-turn production of slit-to-width rolls to support the need for high performance silicone sponge and silicone foam gasketing that must withstand outdoor conditions, meet UL requirements and temperature extremes. A free Touch Brochure with small samples of these gasket tape products can be requested online at: www.stockwell.com/GasketTapeTouch

Getting the right preload for a realiable joint

Determining the proper preload is critical when designing reliable joints. And one of the least-expensive way to do this, measuring torque, gives reasonable levels of accuracy. Here's how to do it.

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Optically Clear Epoxy Has High Flexibility
Master Bond EP37-3FLF is a low viscosity, two component epoxy system specifically designed for bonding, coating and potting. It exhibits superb optical clarity, high flexibility and resistance to vibration, impact and shock. Additionally, EP37-3FLF is cryogenically serviceable. It is easy to apply and has a non-critical one to one mix ratio, by weight or volume. www.masterbond.com

Epoxy 101

Adhesives that withstand high temperatures and resist corrosion can replace traditional fastening hardware, saving assembly time and money.

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