One of the many vacuum processes to take note of today is that of diffusion bonding (aka diffusion welding or thermo-compression bonding). This technology, although highly specialized, continues to gain in popularity with design engineers and is finding more applications throughout manufacturing. Let’s learn more.
Before the holidays we talked about how vacuum-pump oil becomes contaminated. It is now time to talk about how to overcome this problem using gas ballasting – how it is performed, its advantages and limitations.
Gas ballasting is essential for oil-sealed pumps such as rotary-vane (i.e., mechanical) pumps, but it is often poorly understood or neglected as part of the daily maintenance routine on a vacuum furnace.
Most, if not all, heat treaters – whether they like to admit it or not – enjoy the challenges that present themselves when confronted by a new material or the need to develop a new process recipe to achieve specified properties or results.
The 2017 April issue of Industrial Heating features our cover story, a comprehensive list of combustion resources, as well as part 2 of our rimfire firing-pin indent copper crusher series, and much more.