Molding and Casting
Hi,
From the assessment guide:
Have you:
Linked to the group assignment page, X
Reviewed the safety data sheets for each of your molding and casting materials, then made and compared test casts with each of them, X
Documented how you designed your 3D mould and created your rough and finish toolpaths for machining, including machine settings, almost there
Shown how you made your mould and cast the parts, X
Described problems and how you fixed them, X
Included your design files and ‘hero shot’ of the mould and the final object. Add the original f3d file
Good job! I think you will add the image with the final product with SmoothCast 305. The mold tapering is explained in my local lecture, but it is there for the small milling tools that have a shaft that is thicker that the cutting end. Basically, the milling bit shaft will hit the sides of the mold and the bit cannot reach everywhere without collision, so it will end up either moving your mold or breaking the bit.
If you do finishing with flat 3.18 mm milling bit, you will have a little roughness on the curved surfaces of finished product. You can see that the bottom is smooth. I cannot see the diameter of the pins in your design, but my guess is that the milling tool didn't fit inside the hole.
For roughing, you should use Contour lines and up cut instead of scan lines, which is for the finishing, but the result is good anyway.
Mention in the text where you set up Modela Player, that you selected the Modeling Wax as a material from the top right corner in the main screen. It probably was there from the previous user, but you should know it.
Add the original f3d file from the Fusion 360.