8. Complex Casting
Time is key in the Molding or Casting process. Many of the processes have one chance to be done right. Scheduling out each step helps:
clamp, secure, glue or otherwise sure the 2 or more parts of the mold.
Test the mold with water.
Measure the water for mold size
Dry the mold
Apply mold release
Re-secure the mold.
Preparing for the unexpected: leaks, spillage, under pour, over pour, etc.
Cover surfaces it absorbant brown paper
Have paper towels ready
Put on PPE as needed (gloves, masks, face shield, etc.)
Prepare materials before mixing:
Do the math. 1/2 A, 1/2 B
Measure each part in a seperate cup.
Set timer for pot life
Scrape the side and bottom
place mix in the degasser
secure the lid, shut the release valve and turn on the pump.
keep a eye on the pot life timer, always complete the process before the timer
wait for the bubbles to stop
open the release valve.
Smooth pouring will reduce bubbles.
Pour starting in the low point.
Observe - watch for leaks, spills, until the end of the pot life
Mold / Casting storage
Put the in process work in a safe area where for the cure time
open the mold and pull out the cookies
keep "objects" out of the process that aren't helpful. reduce hazards.
remove spills before material sets when possible.
Carefully dispose of waste.