Imagine your job is lifting a five pound weight. Pretty easy, right? Most healthy adults don’t have an issue picking up something that light or even holding it about their heads for a few minutes. Pick it up, put it down, go home, get your paycheck. Unfortunately, your boss knows how easy it is for…
Many joints consist of more than one fastener and tightening together surfaces that are not completely flat can be a very challenging torque problem. The sequence of tightening fasteners can have a major influence on the resulting preload and clamping force, which is what holds two parts together. With such joints, consideration should be given…
Whether your manufacturing staff is assembling components used for electronics, aircraft, automobiles or appliances, it’s important to identify potential ergonomic risk factors. Power tools, both electric and pneumatic type, generally produce unwanted torque reaction that transfers over to an operator’s hand. After a while, the daily fastening process will expose your operators to repetitive stress…