The pickup tube has vents that allow you to increase or decrease the amount of air in the mixture. The air/media mix delivered to the blast gun by the media hose is regulated by what Guyson calls a pickup tube located at the bottom of media supply hopper, or occasionally the hopper at the bottom of blast cabinet. If the mixture of media and air is off, you will have either too much air and not enough media, or too much media and not enough air. When compressed air is metered into a suction-blast gun through its air jet, venturi effects generate a powerful vacuum in the media delivery hose that draws media particles up to the gun, where they mix with the flow of air and are projected out through the nozzle. The good news is that, ordinarily, you should not have to repeat the adjustment process frequently. This is an important topic because suction-blast systems are so prevalent, and because under-performing blast guns slow down the work and may result in finish variations that are unacceptable.
USA SKAT BLAST GUN HOW TO
Whether you are newly responsible for a cabinet-blasting process and trying to understand how to make it more efficient, or you are a person who has done shot, bead or grit blasting for some time, you might find some useful tips in this article on fine-tuning suction blast media delivery. Pressure-blast nozzles have only one larger hose to deliver a mixture of media particles and air. If you are not sure if you are working with a suction-blast gun, it is easy to recognize, because it has two hoses attached to it, one delivering compressed air and one vacuum hose drawing media into the gun.
Electrical shock and serious injury could result.Suction-blast machines are the most common blast cabinets in use, and Guyson’s Tech Support team regularly answers questions about how to get the maximum performance from suction-blast guns. Do not attempt to use on wet surfaces or as a wet vacuum. Vacuum and dust collector systems are designed for use with Skat Blast® Cabinets only. We recommend our 180-DC or 310-DC Dust Collector. When using a cabinet for more than occasional use (about 1 hour daily) or commercial use (5 hours per week), a vacuum is not adequate for dust removal due to limited capacity. Includes 5 ft vac hose (2-1/2" dia) for hookup to your blast cabinet. For use with abrasives up to 80 grit size. SPECIFICATIONS - 90-100 cfm, 115 volt, 7 amp motor with 8 ft cord and sound-deadening lid assembly for ultra "quiet operation". Plus, compact design saves space in your shop. Easy on-off lid assembly for fast and quick emptying of accumulated dust and dirt. We recommend having an extra HEPA Filter Cartridge (#6011-HI) on hand so you can rotate during cleaning.ĮASY CLEAN-OUT - New one-piece polyethylene bottom canister won't rust and can be easily rinsed out for cleaning. HEPA filter is also washable by removing and rinsing with water and then air drying. QUICK MAINTENANCE - If suction should ever decrease, simply pick up the Vac-55 and tap the bottom canister on the ground. This enables the Vac-55 to have 40% more suction and 56% more filtering area than older-style bag-type filter vacuums which clog over time.
NON-STICK FILTER CARTRIDGE MEMBRANE - Resists clogging because dust and dirt simply fall off the filter surface before it can build up.
The ultra-fine filtration prevents vacuum motor failure caused by dust entering the motor. HEPA FILTRATION TRAPS DUST - Traps ultra-fine dust particles down to 0.3 microns and keeps 99.97% dust inside the vac and out of your shop! Plus, has 29% more filtering area than old-style Vac-40 Vacuum. VAC-55 HEPA Vacuum with HEPA Filtration provides great suction (90-100 cfm), won't clog, recovers 40% more dust than bag-type vacuums, and provides clear visibility inside your cabinet during blasting. Plus, polyethylene canister won't rust and can be easily rinsed out for cleaning. Compact polyethylene bottom canister saves space in your shop. Skat Blast® VAC-55 HEPA VAC is "super quiet", only 68-71 decibels.
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