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I saw this on YouTube the other day and was wondering how feasible it would be to build one of these in the shop? It's a long trough sand dispenser that lays down a thin layer of sand, I'm assuming it's coated or mixed with something, and a printer head cures that layers parts. Has anyone...

I want to upgrade my lathe. I'm tired of changing gears.

I want to build a tool grinder and I have some question. Pictured is the first issue that these plans started on. I want to have a full set of plans but I'd have to buy 4 back issues (boohoo) and I'm not even sure they have all the issues. If I could find someone with those plans it would be...

But not aluminum. Is there an acid that will eat steel and not touch aluminum? I had an idea to fill a box with ball bearing and then aluminum. When the aluminum cools, dissolve away all the balls and be left with a very cool structure. Is there an acid that will eat steel but not aluminum?

I plan on getting into aluminum casting but till I do, I've been stockpiling svarf, scavenged cylinder blocks, heat sinks and broken bike parts. Recently someone gave me a part of an old satellite dish and ive never felt anything like it. It's non magnetic but not stainless. And it is hard as...

I'm looking for a 1"x6"x12" piece of 4140 crs. Online Metals doesn't carry flat bar so I tried Metals Depot. When you call them, the voice says "small quantity source for metals" or something like that. The price for a six foot piece is $650 I asked for the price of a 12" length: $350. How in...

I need a 1/2" keyway broaching cutter piece. If anyone has broken a broach and replaced it I would like a piece of the old one. It will be repurposed into a new tool. I don't even know what to offer. I have some 304 stainless to offer. I'm trying to keep my costs low at the tool will only be...

Is there a company who does one off wire edm without charging what a new completed part costs? I'm building a rifle and to get the lug raceways cut in the reciever will cost around $170 from a firm in Jersey. I can buy a brand new reciever for that much. Does anyone have a line on less...

I am embarking on making a bolt action rifle and the first step is to manufacture a broaching cutter to cut the lug raceways in the reciever. I have the tool steel and a plan and I'm pretty sure I can make the tool. It will be used a maximum of 5 times and It needs to be at a 68C Rockwell. Is...

I bought the machinist calc pro app for my phone because it claimed to have the same data in it as the mchinerys handbook. Paid close to $50 for it. Come to find out it didn't have any materials data which made speeds and feeds practically useless so I and hundreds of others asked them to update...

Just finished it and couldn't be happier.

Finished it yesterday and it works fairly well.

My next project will be a coax indicator. I have a plan and all but a few of the materials. Most of them on the market are made so that the whole body moves up and down and the indicator is basically upside down. Mine will have the body fixed in the z axis but free to turn on the shaft. The...

I have been using hss but I'm starting to use indexable turning tooling. It is confusing and frustrating and I'm just talking about the triangle shaped ones. I bought a set of five 1/2" turning tools and they take a triangular insert but I don't know which one. There are tcmt, tnmg, tnma and...

I have $1000 to spend on a small mill. I can't afford a full sized knee mill but if someone had a tabletop sized Mill for $1000 or less and lives In the northern California area, please contact me. I've seen many many J head Bridgeports sell for a little more than a grand so I don't think I'm...

I bought a 1hp leeson motor and I'm having trouble wiring it up. I suck at wiring diagrams and this is hell. The wires are numbered and two are capped. There are two punchouts on the switch and numerous punchouts on the motor box. Where do I run the cable? Does anyone have a video taking me...

I just bought an industrial sewing machine and I'm swapping out the motor. It came with a clutch motor and it's a beast. I'm ordering a servo motor which has variable speed. Would it be a good thing or a bad thing to use it on my south bend 9" lathe? My old lathe motor took a dump on me.

What does the back of a gerstner look like? Sent from my C6606 using Model Engines mobile app

Where can I get a replacement label for a Dayton reversing drum? I just refurbished a shaper and the label was missing but the rivet holes are there. I checked eBay but no luck Sent from my C6606 using Model Engines mobile app

I'm refurbishing an older delta shaper and I'm almost there. The person who gave it to me has the heavier duty model and he would like me to make him a new collet spindle so he can use router bits. I would like to do the same so I'm going to make both at the same time for accuracy sake. He had a...