Week 12: Molding and Casting¶
Assignment¶
- Review the safety data sheets for each of your molding and casting materials
- Make and compare test casts with each of them
- Compare printing vs machining molds
3D Printed Mold¶
0.05mm Unfinished 3D Print¶
Finishing Pattern with UV Resin and Baby Powder¶
Reference
Machining Mold¶
Casting¶
Gypsum¶
Parafin Wax¶
Casting Comparison¶
Safety Data Sheet¶
| Material | Link to SDS | Hazard Warning | PPE / Precautions |
|---|---|---|---|
| eSun Washable UV Resin | Official SDS | H302 Harmful if Swallowed, H315 Causes Skin Irritation, H317 May cause skin irritation, H319 Causes Eye Irritation | Wear goggles, face mask/shield, gloves. Make sure to use this material in a well ventilated room |
| RTV-48 Silicone Rubber | Unavailable for RTV-48, General 100% RTV Silicone SDS | Ingestion - may cause gastric distress. Skin contact - uncured product contact will irritate lips, gums, tongue and skin. Inhalation - causes mild respiratory irritation. Eye contact - uncured product contact irritates eyes. Release of acetic acid when curing | Avoid contact with skin and eyes. Use in a well ventilated area to prevent irritation by vapors. |
| Ferris Milling Wax | Official SDS | Non-Hazardous | Do not walk through spilled material. Avoid contact with skin and eyes. Do not breath dust or fumes. Ventilate closed spaces before entering. |
| Artland Ceramix Super Hard (Gypsum) | No official SDS, General Gypsum SDS | May cause cancer by inhalation. Causes damage to lungs, kidneys and autoimmune system through prolonged or repeated exposure by inhalation. Causes skin irritation and eye irritation. | Do not breathe dust. Avoid contact with skin and eyes. Do not store near food or beverages or smoking materials. Use adequate ventilation and dust collection equipment and ensure that the dust collection system is adequate to reduce airborne dust levels. |
| Paraffin Wax | General SDS | Non-Hazardous | Avoid inhalation of dusts. |