Plasma arc welding (PAW) is very similar to gas tungsten arc welding (GTAW). If you look at the schematic shown in Figure 1 you can see that the arc in PAW is created between a non-consumable tungsten electrode and is constricted by passing through an orifice. This provides a more columnar arc with a higher […]
Read MoreOn Wednesday EWI was host to a class of 7th grade students from Upper Arlington Jones Middle School. At the beginning of their visit we asked them how many would like to be an engineer someday – about 3 hands shot up. After touring the labs, making spot welds, and laser welds we asked […]
Read MoreEWI was well represented this month at the annual Community Care Day sponsored by United Way. Each year, volunteers from companies, spread out into the city to provide free labor to agencies that serve the needy in our city. This year, we were represented by Sean Gleeson, Paul Zelenak, John Coffey, John Castorano, John Seaman, […]
Read MoreIn some ways I’m kind of your stereotypical CFO and accountant… conservative and cheap. During one of our wellness committee meetings this January, the group was discussing how to better engage our employees in wellness activities. Once the ideas started turning towards things like ‘we can engage some consultants’ (cha-ching) and ‘if we gave every […]
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