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Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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#1
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I got a vertical Husky compressor about 33 gallon from the looks of it.
I also have a Craftsman sandblaster, looks to hold a sack or so of sand. What pressure is required to use that sandblaster? I imagine if you go off and on rather than full on, it would work longer. Sorry, I got it at a yard sale, no instructions. If you want to tell me to google, that this has been answered before or that I'm lazy, please engage your IGNORE button. Steve |
#2
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On 2013-12-12, SteveB wrote:
I got a vertical Husky compressor about 33 gallon from the looks of it. I also have a Craftsman sandblaster, looks to hold a sack or so of sand. What pressure is required to use that sandblaster? I imagine if you go off and on rather than full on, it would work longer. Sorry, I got it at a yard sale, no instructions. If you want to tell me to google, that this has been answered before or that I'm lazy, please engage your IGNORE button. Buy a regulator and try different pressures. I would start with 70 PSI. i |
#3
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On Wed, 11 Dec 2013 22:18:59 -0600, Ignoramus7589
wrote: On 2013-12-12, SteveB wrote: I got a vertical Husky compressor about 33 gallon from the looks of it. I also have a Craftsman sandblaster, looks to hold a sack or so of sand. What pressure is required to use that sandblaster? I imagine if you go off and on rather than full on, it would work longer. Sorry, I got it at a yard sale, no instructions. If you want to tell me to google, that this has been answered before or that I'm lazy, please engage your IGNORE button. Buy a regulator and try different pressures. I would start with 70 PSI. i Depends what you are blasting, and what media you are using. Blasting cast with sand you can use up to 120psi - blasting aluminum sheet with plastic media or walnet shells 50psi might be too much. |
#4
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SteveB wrote:
I got a vertical Husky compressor about 33 gallon from the looks of it. I also have a Craftsman sandblaster, looks to hold a sack or so of sand. What pressure is required to use that sandblaster? I imagine if you go off and on rather than full on, it would work longer. Sorry, I got it at a yard sale, no instructions. If you want to tell me to google, that this has been answered before or that I'm lazy, please engage your IGNORE button. Steve What are you blasting? What size and type of nozzle? Pressure or siphon feed? What media will you be using? Heavy rusted steel using Black Majic will take 90-100 psi 10 CFM or more with a small nozzle. 33 gallons might last you 30 seconds or so unless the blaster is a tiny siphon flow one. -- Steve W. |
#6
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"Ignoramus7589" wrote in message
... On 2013-12-12, SteveB wrote: I got a vertical Husky compressor about 33 gallon from the looks of it. I also have a Craftsman sandblaster, looks to hold a sack or so of sand. What pressure is required to use that sandblaster? I imagine if you go off and on rather than full on, it would work longer. Sorry, I got it at a yard sale, no instructions. If you want to tell me to google, that this has been answered before or that I'm lazy, please engage your IGNORE button. Buy a regulator and try different pressures. I would start with 70 PSI. i I have a Sears sandbaster from the 1970's that holds the sand in a pressurized screw-on cup. Its max rating is 50PSI. http://c.searspartsdirect.com/lis_pn...6780-00003.png jsw |
#7
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![]() Ignoramus7589 wrote: On 2013-12-12, SteveB wrote: I got a vertical Husky compressor about 33 gallon from the looks of it. I also have a Craftsman sandblaster, looks to hold a sack or so of sand. What pressure is required to use that sandblaster? I imagine if you go off and on rather than full on, it would work longer. Sorry, I got it at a yard sale, no instructions. If you want to tell me to google, that this has been answered before or that I'm lazy, please engage your IGNORE button. Buy a regulator and try different pressures. I would start with 70 PSI. i Buy a regulator of a larger size than you air line so it isn't a choke point, i.e. get a 3/4" regulator or better. |
#8
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Anyone wanting to get objective opinions/advice for this sort of situation
should get pictures to show both the air compressor and the sandblaster. A typical home shop 2 cylinder single-stage compressor (in very good working condition) can only support a pressure feed sand wand/gun tip orifice of about 1/8".. even then, there will likely need to be numerous pauses for the compressor to catch up. Sandblasting uses a lot of electrical energy for the work performed.. it's much more cost effective to use paint strippers, wire brush, acid or scraping methods to remove the majority of paint, rust or other contamination, then use sandblasting only for deep pitted rust. Some commercial corrosion prevention paints are surprisingly resistant to sandblasting. The concentration of the amount of abrasive in the air stream is a significant factor when it comes to efficiency.. a mixer valve on a pressure feed sandblaster needs to be adjusted when blasting media types or air pressures are changed. -- WB .......... "SteveB" wrote in message ... I got a vertical Husky compressor about 33 gallon from the looks of it. I also have a Craftsman sandblaster, looks to hold a sack or so of sand. What pressure is required to use that sandblaster? I imagine if you go off and on rather than full on, it would work longer. Sorry, I got it at a yard sale, no instructions. If you want to tell me to google, that this has been answered before or that I'm lazy, please engage your IGNORE button. Steve |
#9
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On Thu, 12 Dec 2013 07:27:27 -0500, "Jim Wilkins"
wrote: "Ignoramus7589" wrote in message m... On 2013-12-12, SteveB wrote: I got a vertical Husky compressor about 33 gallon from the looks of it. I also have a Craftsman sandblaster, looks to hold a sack or so of sand. What pressure is required to use that sandblaster? I imagine if you go off and on rather than full on, it would work longer. Sorry, I got it at a yard sale, no instructions. If you want to tell me to google, that this has been answered before or that I'm lazy, please engage your IGNORE button. Buy a regulator and try different pressures. I would start with 70 PSI. i I have a Sears sandbaster from the 1970's that holds the sand in a pressurized screw-on cup. Its max rating is 50PSI. http://c.searspartsdirect.com/lis_pn...6780-00003.png jsw The cup isnt pressureized. It syphons the sand out of the cup. Its just a modified spray paint gun. -- "Owning a sailboat is like marrying a nymphomaniac. You don’t want to do that but it is great if your best friend does. That way you get all the benefits without any of the upkeep" --- This email is free from viruses and malware because avast! Antivirus protection is active. http://www.avast.com |
#10
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"Gunner Asch" wrote in message
... On Thu, 12 Dec 2013 07:27:27 -0500, "Jim Wilkins" wrote: I have a Sears sandbaster from the 1970's that holds the sand in a pressurized screw-on cup. Its max rating is 50PSI. http://c.searspartsdirect.com/lis_pn...6780-00003.png jsw The cup isnt pressureized. It syphons the sand out of the cup. Its just a modified spray paint gun. It can be set up either way by moving a setscrew plug. jsw |
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