Bigger castings, melting and making alloy CNC parts with epoxy layer damping

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 z-axis 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.

Here's Olfoundryman’s great video about pouring technique https://youtu.be/m6W71s-cd_0

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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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Видео Bigger castings, melting and making alloy CNC parts with epoxy layer damping канала FloweringElbow