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 ...
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 ...
Engineering Essentials: What Is a Programmable Logic Controller ...
WEBJun 1, 2015 · A programmable logic controller (PLC) is an industrial solid-state computer that monitors inputs and outputs, and makes logic-based decisions for automated processes or machines.
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 ...
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.
Basics of Aerospace Materials: Aluminum and Composites
WEBJun 19, 2014 · Two materials play major roles in modern aerospace: aluminum alloys for airframes and skin, and composites for structures. Here’s a look at both.
Cast Iron and Wrought Iron: What’s the Difference?
WEBJan 9, 2023 · This article was updated Jan. 9, 2023. It was originally published April 1, 2016. RELATED. Carbon Steel. Iron-Based Superalloys. Cast Iron. A Green Way to Make Iron
What’s the Difference Between Spur, Helical, Bevel, and Worm …
WEBJul 31, 2015 · Helical gears have a smoother operation due to the angle twist creating instant contact with the gear teeth. The teeth on a helical gear cut at an angle to the face of the gear.
Motion Design 101: Mechanical cam types and operation
WEBOct 1, 2000 · Consider this plot of cam dynamics: Cam design requires you to keep sight of the follower displacement and the first, second, and third derivatives: velocity, acceleration, and jerk.In a valid ...
Understanding Medial vs. Lateral, Proximal vs. Distal, and Superior …
WEBMay 29, 2024 · This article originally posted on June 22, 2016. It was updated on May 29, 2024. When designing machines, an understanding of anatomical terms such as medial and lateral, proximal and distal, and ...