Rapid Custom Manufacturing
Reaction Injection Molding Bumper Prototypes
Project Overview:Manufacturing Process: Reaction Injection Molding (RIM)
Mold Material: Epoxy Resin, Silicone Rubber, Steel
Molding Material: Hei-Cast 8636-75A (Black) and 8636-B
Quantity: 3 Units
Lead Time: 25 days
Customer was an automotive design and engineering company in USA, wanted to test impact and high temperature resistance of this bumper by low volume rapid prototypes. Though customer was new to our RIM technique, found it was a proper and economical solution for this project.
Rapid and cheap mold (made of epoxy resin and silicone rubber) enabled our RIM to low volume manufacturing large parts quickly and economically.
The finished RIM mold. Injection molding at room temperature and fairly low pressure allowed for low mold clamping force by simple clamps.
- The maximum weight by one shot of injection molding was 35 kilograms, so our RIM process was preferable for molding large and heavy parts.
- Compared to conventional injection molding, our RIM process had unique demolding mechanism, worked fine for insert molding and overmolding.
We are RIM expert in China to provide customers rapid and cheap tooling, quality and economical parts, fast delivery, especially for automotive field.
The trimmed, sandblasted, sanded parts prior to painting. Customer was satisfied with the flexibility after impact and temperature resistance testing.
