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I would like to use an air-cooled high speed spindle (2.2Kw) controlled by a 220V single phase VFD for a precision CNC grinder. The spindles typically run up to 24,000 RPM, but for a grinding application that will need to be much less. The maximum wheel size I will be using is 4" so the...

I will PM my contact info. About a foot of 1-1/4, 1-1/2 and 2" would be perfect. More is good too. If theres bearing bronze, I would take some of the smaller stuff.

I like that idea. And I am sure we all have a pool of spare material that could be shared/bartered as needed. Since MetalStupidMarket dropped 12L14 and most red metals, it has been a royal pain to buy the stock I need at a decent price here in BC. I use McMaster for short stock as needed but...

Or make a batch purchase and freight ship a few hundred pounds this direction. It's still a deal if theres enough interest! But I like the holiday idea!

Well now, I'm in need of brass but I'm here in BC. I would appreciate a foot or two of 1-1/2" and 2" if its 360. Even adding $60 for postage its a deal. Any chance you could pick up a bit extra for me?

I have an 8" NEW bison for sale in the classifieds. Make an offer. :)

I spent some time looking at the SDS for the Endura 2K 2 part paint. It is pretty nasty stuff, so I take that caution seriously.

I disagree. Part of that conversation was a discussion about roof and wall R values and how that could be achieved. I was impressed by the response which was much deeper and more inclusive and insightful than a simple Google search would have produced. It included the aluminum sheathing and...

It certainly does that. It can also help with the mundane when fully instructed. Take C++ coding for example. When correctly prompted, the code that is generated is really quite reliable and always syntactically correct. Errors occur, but in my experience those are the result of loose...

So we have all heard about AI systems - they exist in various forms, from authoring and writing tools to fantasy art. There is no question that the tools are useful although their veracity sometimes borders on hallucinatory. I've been using chatGPT 4 (32K tokens) for engineering support for...