Recent content by AngularContact

I have a model 404R that was missing its static jaw locking pin. After many careful measurements I turned a new pin from a grade 8 bolt. The angle that works is 4 degrees per side, 8 degrees included. Just thought I would share what I learned because I couldn’t find it anywhere. Sent from my...

Hey folks. I apologize if this has already been mentioned but there are a metric $&?! Ton of posts. VFD produce a buildup of rotor current that is discharged through the bearings particularly at frequency less than 30 hz. This may not be a factor considering run hours of shop equipment. But in...

That sounds normal to me. I have 25 years experience around industrial air compressors. I noticed that the plate the pump is mounted to is pretty thin I think some improvements could be made there. That is probably a measure on Quincy’s part to make the unit affordable. Their true industrial...

Ratchet heads should be treated like the moving parts of a gun. Too much lube is a bad thing. A couple drops of oil is all that’s needed. Packing with grease can actually cause the pawl to skip as the oil separates from the soap and your left with goo.

Someone above mentioned the “window stamp” the origins of which are very interesting. Linde is a German company and the US confiscated a lot of gas bottles after the war. The “window” was originally a ******** and I’ve seen bottles to prove it when they got missed. I have a picture somewhere and...

I’m not sure about what defines an expensive low noise compressor in this case. But a low speed recip located in-shop will likely be cheaper in the long run than a noisy direct drive with a structure built to contain it. With “shed” locations oil needs to be considered. Most compressor oils are...

If you’re working with 1/4 OD tube and 1/4 NPT threads, Swagelok fittings would be the way to go. I’m not sure what your budget is, they’re not exactly cheap.

Hey guys and gals. I found this forum after looking for info on vintage bench vises. Turns out I found a gold mine. I’m not sure if I’m posting to the right section or not. I’m 42 and spent the first 13 years of my career as a machinist (and I don’t mean loading a part and pressing the green...