The Primary Mirror of the Hale Telescope, Palomar, California The 200-inch Pyrex disk in the Caltech Optical Shop, Pasadena, California image credit: Palomar/Caltech
trying on a metaphor

❣ Chile in a Photography ❣
One Nice Bug Per Day

JBB: An Artblog!
Sweet Seals For You, Always

★
wallacepolsom

@theartofmadeline
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Origami Around
Cosmic Funnies
styofa doing anything

TVSTRANGERTHINGS
AnasAbdin
todays bird

Kiana Khansmith

if i look back, i am lost

祝日 / Permanent Vacation
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@ideainventor
The Primary Mirror of the Hale Telescope, Palomar, California The 200-inch Pyrex disk in the Caltech Optical Shop, Pasadena, California image credit: Palomar/Caltech

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Running right to the limits on this little grinder. +/- 0.0005" tho, so I can basically eyeball it. The only tricky thing is keeping the slots within 0.001" of centre, but that's just some extra measuring. 4140 preheat. #instamachinist #machinistlife #shoplife #surfacegrinder https://www.instagram.com/p/BoKwQntAL6m/?utm_source=ig_tumblr_share&igshid=14xk26k2zzwdz
A quick fab job this morning. The boss got a smoking deal on some little rolling dump bins, and I'm guessing the reason why is because they have no fork tubes. Not sure who thought that one through, but it's fixed now. #machinistlife #shoplife #shittywelds (at Palmerston, Ontario)
Spent today roughing out some bearing carriers. Just came off three weeks on fabrication duty, so it's sure nice to make some chips again. #instamachinist #machinistlife #shoplife #manualmachining #manualmachinist (at Palmerston, Ontario)
Staggered Tooth Gear :
Mesta Machine Company, Homestead Pennsylvania, 1913

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Cylindrical dies are ideal for a wide range of precision threaded parts. Made for through-feed rolling and in-feed rolling. Thread rolling cylindrical dies are used in set of two or set of three.
New tool day. These Bahco wrenches are the best adjustables I've ever used. The jaws, worm, and worm rack are very nicely machined, so there is essentially zero play in the mechanism. #handtools #bahco #bahcotools #machinisttools
Got the little TM-2 maxed right out with these big weldments. #instamachinist #machinistlife #shoplife #machinist #machining
Cycles of a radial engine
Kind of a trip turning off left hand threads. #instamachinist #machinistlife #shoplife #manualmachinist #manualmachining (at Palmerston, Ontario)

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Aluminum bronze. I think this is the first time I've ever milled this stuff. #instamachinist #machinistlife #shoplife
Assembly this week. Building an ultrasonic welding cell. #instamachinist #machinebuilder #shoplife (at Palmerston, Ontario)
Modifying some urethane punch strippers. The material being punched is fairly soft plastic (think puckboard), and with the full contact area and 1/8" stripping length the parts were being marked. I reduced the stripping length to just 0.01" and reduced the contact face down to about 1/8" land (it becomes about 1/2" under full compression). #instamachinist #machinistlife #shoplife #machinebuilder
Vacuum manifold. Off to be hardened, then some final finish turning and grinding. #instamachinist #machinebuilder #machinistlife #shoplife #workflow
Saturday playtime. Machining some end of arm turrets to be mounted on #fanuc robotic arms. #instamachinist #machinistlife #shoplife #cncmachining #cncmachinist #machinebuilding #machinebuilder

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Stout edition 👌 8.25/10
Are we still doing #topboxtuesday ? I know I'm like 2 weeks late, but whadda ya do. #instamachinist #machinistlife #shoplife #machinisttools