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How much useful information can i glean from almen test in blasting cabinet
How much useful information can i glean from almen test in blasting cabinet? I am playing with some steel bead S-170 blasting. Bought a set of almen type A strips on ebay. measuring thickness, prebend and final bend using a mahr indicator (good to 0.00005") on starret surface plate i get the... -
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Stainless Steel grit blasting
So, i am rather interested in steel bead and steel grit blasting due to their longevity and dust less operation. Stainless steel grit seems like an ideal choice, since grit is more aggressive than bead and "stain less" supposed to prevent iron contamination of non-ferrous items being blasted... -
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ceramic bead blasting vs glass bead blasting
Just got a too good to pass up deal on 25KG of zirblast ceramic beads. Wanted to try ceramic beads for a while. So far, as far as bead media goes, i only have experience with glass bead blasting. My question is this: Is the longer life of ceramic beads the only advantage it has over glass beads... -
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I upgraded my blasting cabinet
Went with Eastwood B60 cabinet. Shipped in last week. Packaging still sucks; glass arrived cracked, but Eastwood sent me a new one after a phone call, no questions asked or photos required. Definitely better to be a customer than an owner of Eastwood. Using it with SiC 220 grit at the moment to... -
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OT: Chuck Norris is back
While this may seem like it's totally off topic, i just learned today that Chuck Norris is starring in a new movie "Agent Recon". He fought Bruce Lee in 1968 and in 2023, 55 years later, he is still making movies!!! How is this relevant to machining you might ask? You know... Chuck Norris once... -
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Compressor automatic drains
Greetings. I am looking for some real world education about compressor tank auto drains. Already watched a bunch of videos, so interested in additional information. As far as i can see there are 4 types of drains: 1. electric 2. pneumatic that drains when pressure is released to 0. This is what... -
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Are you worried about 3d printing?
So, this is somewhat of a philosophical question, but here it goes: Are you worried about 3d metal printing making machinists 90% obsolete? Eventually... I guess a similar question was once asked (or allot more than once) about CNC mills, but unlike CNC mill a 3d SLS printer can do things that... -
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Milton G style
Just upgraded my hose from compressor to dryer/pressure regulator to 1/2 inch. Also upgraded all of the couplers to G style at the compressor, at the input and output of dryer / pressure regulator combo and at the pedal. Still have milton M style at the input to blast cabinet. The suction style... -
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Pressure regulator for blast cabinet?
My pressure regulator dryer combination are showing its age. Is there a "go to" pressure regulator for blast cabinet? One thing i have noticed on my regulator is that blast PSI is dropping as tank PSI is dropping. For example if tank is at 140 and i set regulator at 60 with peddal in and... -
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Do glass beads actually peen the surface
Heard from some people that blasting with glass or ceramic beads also has a shot peening effect on the surface. Wondering how close to truth this is... Do glass beads at say 50psi even have enough momentum to "peen" the surface? I realize the actual shot peening has a long list of specs that go... -
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Blast cabinet upgrades
Greetings. Would like to get your opinion on couple future options/changes for my blast cabinet. Current setup: OEM Tools bench-top cabinet. Basically the same as HF bench-top, but with some caulking on the seams and green color. Eastwood suction style blast gun and pedal... -
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Blast cabinet media question
Greetings. I would like to pick your brains about blasting media selection. I used to use 100-120 grit glass beads many years ago and liked the finish. The two problems that i had were, very low cfm supply, only 4cfm and beads were having problems removing rust at 60 psi and that low cfm, so i... -
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Air dryer for blasting cabinet? Do i need desiccant?
Greetings, i have a quick question. I am using silicon carbide in my blasting cabinet that sits in my non-air conditioned garage in florida. I just got a new air compressor and am trying to decide if i also need to upgrade my air dryer. I am currently using: SHININGEYES Compressed Air Filter... -
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Cheap stick welder as a resistance solderer?
Actual question: Can a relay on a stick machine power lead imitate a scratch start to activate current flow? I was bored, and when i am bored i start silly projects. My current project is building myself a resistance soldering station. I have a 1. 50A 12V DC supply which i will use an AC light...- pcm81
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- Replies: 3
- Forum: Fabrication: CNC Laser, Waterjet, Plasma, Welding
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OT Rusted soldering iron tip removal (Rusty break-up)
I am trying to restore American Beauty 550W soldering iron. The hotend is rusted into the heating element. I drilled out the set screws holding it in. Still very stuck. I have new hot end so the one in there is a throw away if i can get it out. Would penetrating oil be my best option or is there... -
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American Beauty 3198 soldering iron restoration
I bought an old, rusted, beat up 600 watt soldering iron on ebay (American Beauty 3198) with intention to make it into a restoration project. The copper hot end on it is shot, so i will be replacing it with new one (or couple variations). I have several options for surface finish of the copper... -
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Slip roll tolerance?
I got a cheap slip roller from Amazon. 24inch for $300... wasn't expecting much.. seems to work OK... ish... I have 15 to 20 thousandths gap between the 2 main rollers in the middle when the bottom roller raised all the way up. The gap goes to 0 near the ends of the rollers on both sides. The... -
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Cutting nickel foil
Recently i had to make some custom shape nickel electrodes for tackwelding onto the cells. While i got it done using a printer, sticky paper and sheet metal sheers, it got me wondering if there is a better, more universal way. The only thing that i can think of (outside of CNC, which i do not... -
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Axe surface finish - just for fun recomendations
Recently i bought a buffer and wanted a buffing project, so bought a set of 8 axe heads on ebay to do a restoration project. I will mirror polish at least one of them, however also have access to below listed surface finishes. Curious to hear your recommendations which axe heads you think will... -
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8 inch buffer wheel options
Just got a variable speed 1HP 8" buffer (5/8th shafts). My question is about a good lineup of abrasives to go from removing cast roughness to mirror shine. The straight forward progression seems flap wheels from 80 grit to 600 and then buffing compounds on misc 8" buffing wheels. What i am not...- pcm81
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- Replies: 1
- Forum: Abrasive Machining