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  1. Arbutus

    Supplies Am I seeing this right?

    What on earth has happened ? Thats four times what I paid last year. :( Local supplier: I just needed a 2x2x0.25" piece!
  2. Arbutus

    Tool Lathe indicator holder

    Well that was another Tuit well spent. While working on the Eureka relief tool, I was having all kinds of problems with the DTI mounted in one of those wobbly magnetic indicator stands, teetering on the edge of the ways. The solution was this rear mounted indicator stand, which is sturdy and...
  3. Arbutus

    Tips/Techniques Eccentric turning advice needed

    I am starting to build the Eureka form relieving tool from Model Engineer, Volume 168. This gadget cuts the relief behind the cutting edge of a milling cutter, such as these involute gear cutters. The drawing shows the mandrel which is a triple eccentric turning. I have double-guessed myself...
  4. Arbutus

    iPhone for real-time measurements

    I thought some folks here may find this interesting, I came across this app for the iPhone which allows the phone to be used to take physical measurements using the phone's sensors. So far, I have used it for inclination, audio (my dog has a 110dB bark) and vibration monitoring on rotating...
  5. Arbutus

    Ask a simple question.....

    I was researching adhesives for plastics, but couldn't quite find the correct terminology, so I asked my AI buddy: (warning: Long Read) what is the correct term for an 'oily' plastic vs a 'dry' plastic? as it relates to the surface properties ChatGPT Reasoned about oily and dry plastics...
  6. Arbutus

    Tips/Techniques Printed worm drive rotary table

    The job was to build a modular rotary mount as part of a synchronized camera positioning system. This stage is a horizontal base mount for large (2Kg +) cameras costing more than my car, so it has to be sturdy and do the job reliably. Previous iterations were made from CNC milled 6061with...
  7. Arbutus

    Gas welding kit advice?

    This is for small machine parts: steel, brass and bronze. I'm not likely to be oxy-cutting, but I do braze and silver solder occasionally. In the past I have used a 00 tip which seems about right. I've been looking at full size welding outfits and they are just too much for what I need...
  8. Arbutus

    Magic fireplace?

    Well, maybe. So we are in the middle of a west coast windstorm and inevitably the power is out again. We have a Napoleon brand gas fireplace which has a wall switch to turn it on and off. To my surprise it started just fine. But there is no power. There are no batteries anywhere. The wall...
  9. Arbutus

    Not a fun weekend....

    That wasn’t a fun weekend. It started last Thursday evening. I’d been printing a set of six brackets, two at a time on my Ender 5. The first pair printed perfectly. I started the next set and went to bed. In the morning, no brackets. The printer was buzzing, the display flashing “STOPPED.” And...
  10. Arbutus

    Product Anchor Lube...

    No, it's not for oiling anchors.... I came across this stuff at KBC, and I've been using it exclusively over the past two weeks instead of the usual cutting oils. It is a creamy, water based goop that stays put and doesn't fly off the work. I like the fact that when tapping deep holes it...
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