What’s the Difference Between Polypropylene Types?
WEBOct 2, 2018 · Atactic (aPP). Irregular methyl group (CH 3) arrangement; Isotactic (iPP). Methyl groups (CH 3) arranged on one side of the carbon chain; Syndiotactic (sPP). Alternating methyl group (CH 3 ...
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WEBSep 11, 2024 · Machine Design covers exclusive insights on machinery, design tutorials, and innovative solutions in the ever-evolving industrial and manufacturing landscape.
What’s the Difference Between Bearing, Shear, and Tear-Out Stress?
WEBJul 1, 2016 · ASTM specifications for A325 and A490 high-strength bolts are to be tensioned to 70% of the minimum tensile strength. The table above shows this minimum bolt pretension for empirical bolt sizes.
What’s the Difference Between the Sagittal, Coronal, and …
WEBFeb 2, 2015 · Download this article in .PDF format This file type includes high resolution graphics and schematics when applicable. The sagittal or lateral plane dives the body into left and right halves and is ...
How to Choose the Right Control Method for VFDs - Machine …
WEBOct 23, 2014 · Variable frequency drives come in all sizes, as these two VFDs from Yaskawa America Inc. demonstrate. Both are in the companyâ s A1000 Series of drives and are powered by three-phase 380 to 480 V.
What Engineers Should Know about Zinc-Nickel Coatings
WEBFeb 26, 2017 · The development and practical application of electroplated zinc-nickel alloy coatings began during the 1980s, and its acceptance and use have grown slowly but consistently ever since.
What’s the Difference between AC, DC, and EC Motors?
WEBAug 24, 2017 · EC motors can be found in lower power output applications (e.g., small fans, servomotors, and motion-control systems). They are also finding their way into several small appliances with high power ...
What’s The Difference Between FEM, FDM and FVM? - Machine …
WEBMay 31, 2024 · This article originally posted on May 18, 2016. It was updated on May 31, 2024. The finite-element, finite-difference and finite-volume methods—FEM, FDM and FVM, respectively—are numerical ...
The Basics of Shoulder Screws - Machine Design
WEBNov 4, 2011 · The basics of shoulder-screw grades, dimensions, materials, and options can help designers get the best product for their applications.
Making the Right Shaft Connections - Machine Design
WEBAug 1, 2000 · For example, most flanged bushings can be mounted in either conventional or reverse position, Figure 6.But, large bore types (generally about 5 in. or larger) typically mount only in a ...