What’s the Difference Between the Sagittal, Coronal, and …
WEBFeb 2, 2015 · The sagittal or lateral plane dives the body into left and right halves and is an x-z plane. Technically, the sagittal or median plane goes right through the middle between the body’s left and ...
How to Choose the Right Control Method for VFDs - Machine …
WEBOct 23, 2014 · Motors account for at least half of the energy consumed in the U.S. Selecting the right control method for an application lets the motor run most efficiently while maximizing torque and overall ...
What’s the Difference Between Polypropylene Types?
WEBOct 2, 2018 · Paul Martin1. Polypropylene (PP) is a rigid crystalline thermoplastic used in everyday objects. There are various types of PP available: homopolymer, copolymer, impact, etc. Its mechanical ...
Basics of Aerospace Materials: Aluminum and Composites
WEBJun 19, 2014 · Basics of Aerospace Materials: Aluminum and Composites. Aluminum will likely be in airframes for another century, while composites represent the new material on the block. Two materials play major ...
What’s the Difference between AC, DC, and EC Motors?
WEBAug 24, 2017 · Consequently, AC motors are less efficient than DC motors. In fact, the DC motor is 30% more efficient than AC motors due to the secondary magnetic field being generated from the permanent magnets ...
Pulse Control Basics for Motion Control - Machine Design
WEBOct. 4, 2019. For automating machines that require only two to three axes of electric actuators, pulse outputs may be the simplest way to go. Ray Marquiss. Using pulse outputs from a PLC is a cost ...
Planetary Gears: The Basics - Machine Design
WEBFeb 28, 2023 · This article was updated Feb. 28, 2023. It was originally published March 1, 2000. Planetary gears can supply high levels of torque and high-speed reduction. They are also relatively compact ...
Intro to Heat Treatments for Steel | Machine Design
WEBApr 26, 2023 · In these alloys, the over-saturated martensite is heated to between 932° and 1,022°F (500° to 550°C) and held for 1 to 4 hours. This lets precipitates uniformly nucleate and grow. It results ...
Making the Right Shaft Connections - Machine Design
WEBAug 1, 2000 · During assembly, a key is inserted into machined keyways in the bushing and shaft to lock them together and prevent the shaft from rotating in the bushing, Figure 3. These keys are generally made ...
What Engineers Should Know about Zinc-Nickel Coatings
WEBFeb 26, 2017 · Zn-Ni coatings typically consist of 8 to 14 µ m layer of 12 to 16% nickel alloy next to the substrate topped by a 0.06 to 0.15 µ m trivalent passivate layer and a 0.5 to 4.0 µ m top coat layer ...