Why does MBA use bar grate as the work surface in the standard pressure blast cabinet instead of expanded metal or perforated metal?
The bar grate prevents hopper wear created by the velocity and density of the abrasive in the pressure blast cabinet. The abrasive density and velocity in a pressure blast cabinet is typically greater than a siphon blast cabinet. The abrasive creates more frictional heat. Pressure blast cabinets can also easily convey the heaviest of abrasives; steel grit and steel shot. The reasons for choosing a pressure blast cabinet instead of a siphon blast cabinet are the very same reasons that the wear on certain parts is higher in a pressure cabinet than a siphon cabinet. Using the proper bar spacing and running the bars from side to side prevents the majority of abrasive from blasting through the grates and hitting the machine hopper. This helps extend the machine service factor. Many manufacturers use expanded metal in their pressure blast cabinet. As the abrasive travels past the part being processed, it passes through the expanded metal work grate and hits the hopper. This hopper wear is el
Related Questions
- Why does MBA use bar grate as the work surface in the standard pressure blast cabinet instead of expanded metal or perforated metal?
- Why does MBA install a pneumatic lock as a standard feature on the pressure blast cabinets?
- Can I use my own text link or custom image in place of the standard Referral Blast button?
