John has been with ASSEMBLY magazine since February 1997. John was formerly with a national medical news magazine, and has written for Pathology Today and the Green Bay Press-Gazette. John holds a B.A. in journalism from Northwestern University, Medill School of Journalism.
Manufacturers in multiple industries worldwide are increasingly thinking about sustainability, resource conservation and their impact on the environment.
At its most basic, press-fit assembly is a simple process. An assembler loads parts into a fixture and actuates the press. After the machine has done its job, the worker unloads the assembly and the process starts all over again.
In most assemblies that are joined with threaded fasteners, the cost of the fasteners is not as important as the cost of installing them. Automation is one way to control that cost—but only if assemblers think ahead.
Remember the classic illustration about human evolution in elementary school? A silhouette of an ape on all fours gradually transitions to a modern human walking upright.
Threaded fasteners are the most common method of product assembly. The primary advantage of threaded fasteners is that they permit disassembly of the parts for repair or recycling.
In the past 20 years, the global economy has suffered through many difficult events, such as pandemics, conflicts and natural disasters. For instance, the COVID-19 pandemic triggered one of the worst job crises since the Great Depression.
Titanium has the highest strength-to-weight ratio of any metal. It’s as strong as some steels, but 45 percent lighter. Titanium is also prized for its corrosion resistance, fatigue resistance, crack resistance, and ability to withstand moderately high temperatures without creeping.
Missiles are the premier weapon of modern warfare. According to consulting firm Polaris Market Research, global sales of rockets and missiles are expected to increase from $58.3 billion in 2021 to $73.8 billion in 2026, growing at a cumulative annual rate of 4.8 percent.