| Wax Pattern Sticky-Pattern
Distortion |
- Reduce Wax Temperature
- Increase Pattern Dwell Time
|
| Pattern Flashing/Fins Mild Overfills |
- Reduce Wax Temperature
- Clean Mold Vents, Increase Size & Quantity of Vents
- Reduce Air Pressure
- Hold Mold Firmly/Keep Locks Aligned
- Allow Mold to Cool
|
| Excessive Pattern
Shrinkage |
- Reduce Wax Temperature
- Use a Low Shrink/Low Sink Wax
- Use Warmer Mold
- Increase Pattern Dwell Time
- Increase Air Pressure
- Increase Sprue Size
|
| Sink Area on Large or Heavy Patterns |
- Reduce Wax Temperature
- Use a Low Shrink/Low Sink Wax
- Increase Pattern Dwell Time
- Increase Air Pressure
- Increase Sprue Size
|
| Air Bubbles in
Pattern |
- Reduce Wax Temperature
- Increase Wax Temperature
- Reduce Air Pressure
- Make Sure Wax Pot is Full
- Minimize Trapped Air in Wax
- Fit Mold Properly & Securely Onto Injection Nozzle
|
| No Mold Fill or Partial Mold Fill |
- Increase Wax Temperature
- Use Warmer Mold
- Clean Mold Vents, Increase Size & Quantity of Vents
- Increase Air Pressure
- Increase Sprue Size
- Reduce Mold Release Spray/Do Not Use Talc
- Use More Fluid Wax to Fill Thin Sections
- Make Sure Injection Nozzle is Not Clogged
- Do Not Hold Mold too Tightly
|
| Ripples on Pattern
Surface |
- Increase Wax Temperature
- Use Warmer Mold
|
| Cracking/Brittle Wax Patterns |
- Use a More Flexible/Ductile Wax
- Reduce Pattern Dwell Time
|
| Roughness on Pattern
Surface |
- Use a Smoother, More Polished Master
- Reduce Mold Release Spray/Do Not Use Talc
|
Injection
Wax Trouble Shooting Guide
