(1) Silicon mold preheating: heat the silicon mold to 60-70℃, low mold temperature will cause the solidification incompletely and the bad physical property. Mold temperature is directly correlated with the size precision of the part.
(2) Casting material debubbling: respectively debubble the A and B liquid material in the vacuum tank for over 30 minutes.
(3) Injection molding: place the A liquid container and B liquid container in the vacuum tank. Stir the B liquid to debubble it for 5-10 minutes, pour A liquid to B liquid and stir them , then inject the mixed A and B liquid to the silicon mold instantly. Resume atmosphere pressure of the vacuum tank within 1 minute from the beginning of the injection molding.
(4) Solidification: can release the mold after 30-60 minutes solidification in the 60-70 ℃ thermo tanks. If necessary, it can take the second solidification for 2-3 hours in the 70-80 ℃ thermo tanks.
Main technical specification:
Applicable mold: make the soft silicon mold for the need of building prototype; the silicon mold life is 10-20 times.
Casting material: PU. The used materials include Japan HEI-CAST and PELNOX、France AXSON.
Material physical property: similar ABS、similar PP、similar PC、similar PMMA (transparent) 、similar rubber (40-90 shofd D) 、high-temp resistance (150 ℃) 、fireproof material, etc.
General operation time: 1-4 hours/pc, 4-8 hours/pc (big size)
Molding precision: ±0.15mm/100mm
Molding thickness: Min. 0.5mm, favor 1.5-3.0mm
