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Need simulation of a motor design
Friend needs someone to run simulation. Anyone know of someone who can run a simulation and get numbers for an electric motor. NDA work obviously based on the IP I have been working on. Simulation with any software is ok. Just need reports. The Engineer I hired on Upwork is starting to...- Cannonmn
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- Replies: 5
- Forum: Shop Management and Owner Issues
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Does myasthenia gravis mean the victim should be terminated?
This malady disrupts signals from nerves to muscles. It is treatable but not curable. How did or would you handle such a case? We have one now. I need to know if the victim is more likely to injure himself.- Cannonmn
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- Replies: 16
- Forum: Shop Management and Owner Issues
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Gage block cleaning
Friend posted this on our local machinist forum but I didn’t see any good answers yet, so: “ Is a way to clean well used, old gage blocks that have small discolored areas (from light grey to almost black), but no where near complete sides or ends. These are working blocks, not top inspection... -
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Cinci no. 2 plain horiz spindle lock
Operator needed to remove arbor today, nut wouldn’t loosen, and he couldn’t find a spindle lock, I didn’t have time to go help, pls tell me whether there’s a spindle lock and where it is. I’ll make sure he’s turning it correct direction. We have manual but didn’t find spindle lock.- Cannonmn
- Thread
- Replies: 5
- Forum: USA Heavy Iron
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Expandable reamer stability
Friend asked me how these reamers keep from wandering while reaming since the flutes are so much shorter than solid reamers with more flutes. No idea. Educate me?? Are the expandable reamers used differently than solid ones? Are results of the two types comparable? The rack in photo is... -
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Inventor wants to help us on his jobs in shop+sign NDA
A PHD inventor wants to participate as we do his job (prototype.) I don’t have much problem but he insists on a non-disc. Agreement. I don’t have issue there either but his version is many pages of convoluted legalese no one can understand. I’ll offer to sign a simple one-pager I found on web...- Cannonmn
- Thread
- Replies: 100
- Forum: Shop Management and Owner Issues
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Where’s precision downfeed on Proth PSG surf grinder?
We’re starting to use our 1983 Proth PSG 3060AH. So far all ok EXCEPT the Downfeed dial is only about 4” diameter and is marked only in thousandths. So you really can’t feed one or two tenths like you need to do unless you get a death grip on that knob, hold your breath, hope like Hell you...- Cannonmn
- Thread
- Replies: 31
- Forum: Abrasive Machining
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Any hand drill work as close as dental handpiece?
Id like to have a hand drill that will take 1/16” or less twist drills that can drill parallel to interference 3/16” from drill chuck axis. My Dremel flex shaft handpiece is too large in diameter. Here’s an example of a job where I could use this. The rapid elevation handwheel mounting, cast... -
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Surface grinding cast iron
Friend wants his older Kurt vise surface-ground on bottom of body and other places. Body is cast iron. I haven’t surface-ground cast iron before. One issue I see is that we don’t use coolant on cast iron and if I surface grind it, it’ll get warm and distort slightly. Wonder what lack of... -
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Mystery switch on our Nakamura Slant Jr.
Our 1989 Naka has a toggle switch in back marked “chuck work” and “bar work” respectively. Manual is silent on this. What do u think this switch does? We haven’t a clue. Model s-JRL.- Cannonmn
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- Replies: 2
- Forum: CNC Machining
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Annular drill power feed rqmt.?
Adam Savage stated in a video on annular cutters: Need to use power feed. Why? Is that true! What happens if you dont? -
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Naka Slant Jr. Tailstock Extension?
On our Nakamura Slant Jr. cnc lathe, the hydraulic tailstock is threaded as in photo. The manual is a bit confusing as to whether the tailstock max protrusion from its housing is 5 inches or longer. If we get workpiece needing tailstock center for support and the hyd t stock isn’t long enough...- Cannonmn
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- Replies: 0
- Forum: CNC Machining
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Electro-arc feeder box issue
We’re using what we think is an electro-are tap disintegrator #2-dbt, or it looks just like one anyway. It has the auto-feed box with shaft running thru column to the 4-spoke hand wheel. Vertical head movement using that wheel is fine but we want to use the auto-feed. When switched on, the...- Cannonmn
- Thread
- Replies: 3
- Forum: EDM Machining
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Nesting Collets
CNC lathe takes 16c collets, but we don’t have let’s say 7/8” needed for aluminum shaft to be threaded. We do have 1.25” 16c collet and 7/8” 5c collet that is 1.25” od and slips right into the 16c, to be held by friction when hydraulic collet closer activates. The 7/8 aluminum rod would be... -
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Dividing head, what’s missing?
Older dividing head seems to work fine except there’s obviously a handle thing missing over the exposed portion of these gear teeth (between hole plate and side of head.) I can’t find a brand name on this head. Please tell,me what’s missing and what function I’d recover if I make a replacement... -
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What insert does this use?
No marks but the yellow label. What is the insert data I need to order some? https://www.flickr.com/photos/189102681@N07/shares/kM7TH2. Site wouldn’t take my pix direct, so the link. -
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Do all T25M inserts fit same tools?
I ask because I was shopping online for inserts needed for a tiny boring head that takes four t25m, I installed one to check, fits fine. Then I look online and unless it is an optical illusion, there are different shapes of insert that are all called and marked t25m. Yes I’m new to the insert... -
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Mystery arbors, go to what?
File too large, so The only detail not shown is a threaded 1/8 in. Coaxial hole in center of small end. What are the two longer items please? Arbors for some small horizontal mill maybe?- Cannonmn
- Thread
- Replies: 6
- Forum: Antique Machinery and History
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Morton multivise no. 2, need pics of handle
I have a Morton Multivise 2 without handle. I’d like to make a replacement handle close to the original. Here’s only pic I could find online, so I’d like a few pics of an original.