The Basics of Ventilation, Part Three: Overhead hood design

Overhead hoods have a problem: they are non-functional over most of the width of the hood. The only part of the hood that actually functions as designed is an area about 1-2” wide surrounding the suction duct. This is fine for small torches while making small beads, but what happens when you upgrade your torch and start working with larger pieces of glass?

Insertion of large pieces of glass into the flame plume deviates it and the open duct in your hood is no longer functional. And once you start working with powders, enamels and/or fuming, the only draw area is directly in line with the duct opening. How can the standard overhead hood be made to work more efficiently for the lampworker? Continue reading

Best Practices…for fuel/oxygen storage and use

This comes from OSHA, which many times is referred to as a “best practices” organization. These are things you should already know, but it makes for good reading. While the information is mainly for welding operations, the information here applies directly to our use as well. Continue reading