What’s the Difference Between Polypropylene Types?
Oct 1, 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 ...
What’s the Difference Between Bearing, Shear, and Tear-Out Stress?
Jul 1, 2016 · A more conservative approach is to take the area from the edge of the bolt hole to the edge of the material. Shear Stress. For bolted joints without a preload shear, stress is calculated like ...
The Basics of Spring-Loaded Plungers | Machine Design
Aug 18, 2021 · The Basics of Spring-Loaded Plungers. Spring-loaded devices can help companies get products to market faster with more functions and reliable performance. Spring-loaded plungers use a spring and a ...
What Engineers Should Know about Zinc-Nickel Coatings
Feb 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 ...
A Beginner’s Guide to Design Failure Mode and Effects Analysis …
Nov 29, 2023 · Here’s a simplified 10-step guide to get you started: Step #1: List Each System with its Function and Design Requirements. Break down your product design into systems and components. Think of it ...
Cast Iron and Wrought Iron: What’s the Difference?
Jan 9, 2023 · Wrought iron is softer and more ductile than cast iron. It is also highly malleable and can be heated, re-heated and worked into various shapes. In fact, it gets stronger the more it is worked ...
Making the Right Shaft Connections - Machine Design
Aug 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 ...
Motion 101: The dynamics of shafts and axles | Machine Design
Nov 1, 2000 · A. There are several schools of thought on this. One states that "true" axles are merely static rods that support rotating members, and only shafts transmit power and motion. Another defines an ...
Metal Fabrication Fundamentals: Find the Right Method
Oct 13, 2021 · Identifying Bending Methods. When it comes to bending pipe or tube, there are several methods used to achieve a quality, custom-formed part. The primary bending methods are compression bending ...
Planetary Gears: The Basics - Machine Design
Feb 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 ...