I have a PTO driven wood chipper with a self-contained hydraulic system for the infeed roller which is driven by a single hydraulic motor. I need to tap the pump output to run a low-pressure (200 psi), low flow auxiliary cylinder, but when the infeed roller is free-wheeling (no load) there is...
Last year I bought an Acu-Rite M203 series DRO through MSC. (I'd have much preferred another 200S like I've been using for over 10 years without a blink, but like all good things the 'new, improved' version is all that's available). This fancy 203 display went blank-screen about a month ago...
Good Morning.
At my place of employment we fabricate a product that is exposed to all manner of climatic stress. This particular query relates to wind-induced cyclic stress on a solid mild steel/stainless steel shaft. I cannot post a photo or drawing of the actual product, but I can give you a...
Had a small fire in the shop New Year's eve. The fire was contained entirely in the top of a good-sized toolbox but the smoke and soot blanketed everything, upstairs and down. After cleaning the machines, the bare steel and cast handwheels, etc. have a soft golden look as though they'd been...
Since a 'cup' of coffee can be much less or much more than 8oz., how much beer do you get when you go to the pub for a 'pint'?
(Yes, its a slow day today!)
I've been asked to fab a set of 'adult-sized' monkey bars for a Christmas present. The user is 6' 2", 180lbs. They'd like the run to be as long as possible, up to 20' but at least 10'. I've requested a quote for 2" welded 304L round tube in wall thicknesses of .065" and .120". Cross bars will be...
Had another senior moment this morning & forgot to attach the ground clamp to the welding table/workbench. My table is on casters, all steel and has multiple 120V outlets around the perimeter which are supplied with a 12ga cord from the shop wall outlets. The welds (aluminum @ 150A) were short...
Howdy.
I am working on a very old (1929) 9" with back drive. I think I have all the castings but not all the linkage. Could someone post or point me to detailed photos or illustrations of the back-drive from various angles? I've looked through hundreds of photos on this site but naturally...
Hello folks,
I've got a Model 82-YB, SN 41755, with a date cast inside the bed of 2-11-29. There is an exact illustration of my lathe in a South Bend flyer from 1927/1928. Here's what has me confused:
With the drive gear assembly engaged, the gear cover doesn't line up. The sliding gear shaft...
This is a recent eBay purchase. I thought when I got it in-hand I'd be able to figure it out, but I can't. The boring head is a standard 2" Criterion, the shank a straight .750 Criterion. The part in between? It has an index mark on the top flange, a scale 0-30 in the middle and a lock screw on...
I put two automotive-type belts on a machine with a slip/tensioner engagement mechanism. The drive-to-driven pulley distance is fixed, the pulleys are dual groove cast iron. The belts went on easily and had plenty of slack when 'disengaged'. I ran the machine (an Ariens Rocket tiller) hard for...
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