Latest threads in ⏣ General Metalworkingshow only best voted threads

Subject Author Posted Replies
 
motor starndards outside NA
Motors all seem to follow NEMA sizes and standards in North America. What are the standards outside the US? Do chinese and italian machinery use standardized motor mounts and sizes? It seems foreign...
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ARTIST NEEDS HELP PLEASE
Hi all, I am creating a ceramic sculpture as illustrated. I need to know what metal rod I can use to run through the middle of it that will support it. It will be about 7 kilos in total weight ....
 
Re: cleaning inside a hub dynamo
I really wanted that idea to work, but no luck. Even with a good disk seek magnet the debris stuck in the dynamo. I ended up dry wiping the surfaces to be glued and crossed my fingers. So far it looks...
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Dense Magnetic Chuck?
I recently ordered a small surface grinder (may regret it, but...), and I was looking around at magnetic chucks. I noticed that "dense" magnetic chucks seem to be cheaper than others. What exactly is...
 
cleaning permanent magnets
I finally got the Shimano dynamo hub apart and sure enough, a magnet was loose, apparently lifted by rust forming between magnet and iron field ring. It isn't hard to sand the rust off the magnet and...
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Shipping w/ McMaster-Carr
McMaster Carr is a fairly well known industrial vendor. They have a reputation for having everything.  They don't.  They have a LOT and often I look there when I can't find things elsewhere...
 
Connection Problem
First of all I would like to say hello to everyone in this group. I appreciate the opportunity to ask you for help. I have a Plasma Cam purchased in 2004. Original computer just died so went to...
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Why choose enameled wire
Enameled wire is a main variety of winding wire. It consists of conductor and insulating layer. After the bare wire is softened by annealing, it is painted and baked many times. However, it is not...
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36 mm 8 point box wrench
I'm likely to need a wrench similar to this: (Just the 36 mm side) in the next week or two. They aren't readily available, at least in the USA. Can anybody think of a substitute that's close enough to...
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Krikit belt tension gauge
After replacing the alternator, its belt and the A/C idler+tensioner pulley on my car I used the old parts plus a digital crane scale and turnbuckle to set up a variable belt tension fixture to check...
 
Harmonic balancer
I didn't know they could fail until mine fell apart while removing the alternator, which I thought was defective. Is that a common problem? The rubber separated from the hub but was still a tight fit....
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Tile Block Total parts weight
In the BOM I have weight of a part and the total number of the parts with a formula in the Total Weight to multiply both. This figure I would like to show in the Title Block. Whats the best way of...
 
Richard's Moment
So, Richard. Have you had the epiphany as to how to reconcile your differences with the world and move on? Curious what you decided if you have. I'm missing which "Richard"... I'll comment for myself....
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Help optimizing CNC lathe part
Esteemed RCM'ers: I'm designing a part that'll be produced on a CNC lathe and am looking for "design for manufacturing" help from anyone who has more knowledge of CNC lathes than I (that's about...
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Flag pole wxtension
I have a homemade flagpole. 3” OD pipe. I want to extend it 8-10 feet. Can not take original one down. Want to add to top of it. Need sleeve or pipe that will fit into it. Any suggestions????