It will fill our largest crucible right to the brim, but we are attempting to melt some aluminium in the new waste veg oil furnace, pour it, and make a casting for the large CNC machine. This will be the zaxis carrier plate – the part that travels the length of the gantry and provides a platform for the z’s linear motion carriages, ball screw and servo motor.
See the CNC thrown together and in action here: • How to use a 'GravityDrag' to Make P...
Want to see our experiments with the yaxis gantry? video here: • Experiments in Gantry Design: What ma...
23 metal casting tips (which is also the video where we make the large z axis spindle plate). • Al Metal Casting: Tips for Making Goo...
The 3D model of the CNC AND a document explaining how to use DIY mixed 'metalized epoxy' to massively aid in machine building are both available for a tokenistic amount in our Kofi shop here: https://kofi.com/floweringelbow/shop'>https://kofi.com/floweringelbow/shop
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Here's Olfoundryman’s great video about pouring technique • Basin and sprue design for sand casti...
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00:00 Intro to the melting and casting project
00:18 Preparing the pattern
00:39 Ramming up the flask with green sand
02:00 The mulling / mixing machine – increasing moisture content
02:13 Harvesting scrap aluminum (alloy wheels are my usual source)
02:42 Improvements to sprue, runner, pouring basin and gating design + a few casting tips and tricks
04:27 Splitting the flask, removing the pattern
06:00 A word on the new waste oil furnace
07:07 The big pour!
08:44 The casting reveal
10:17 Machining the casting’s critical surfaces
11:30 Epoxy damping takes the stage
14:31 Implementing epoxy
15:00 tweaking the constrained layer damping
15:36 dealing with counterbore difficulties
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