Rapid Production Turnaround
Urethane Casting Services
- Parts Available in as Little as 7 days
- Ideal for Low-Volume Prototyping & Transitioning to Full Production
- Replicates a Wide Range of Production-Grade Thermoplastics
Understanding Urethane Casting
Urethane casting, known as Vacuum casting in the USA and other North American regions, is also referred to as Polyurethane casting. It’s a low-volume manufacturing method that employs a vacuum chamber to create precise and high-quality replicas of master patterns, often crafted from silicone molds. This technique is popular for rapid prototyping and small-scale production due to its cost efficiency, speed, and capacity to replicate intricate details.
Urethane Casting Process Introduction
Here are the 5 main steps for creating urethane casting:
- Master Pattern Creation: Craft a master pattern using methods like 3D printing or CNC machining, ensuring it matches the desired shape and features.
- Silicone Mold Production: Encase the master pattern in liquid silicone rubber, then cure it to form a flexible mold. After curing, carefully open the mold to remove the master pattern, leaving a cavity that mirrors the original design.
- Material Casting: Prepare a two-part polyurethane resin according to the manufacturer’s instructions, then pour it into the mold cavity.
- Oven Heating: Cure the casting material inside an oven, adjusting the time based on the size of the parts, typically taking 12 to 24 hours for full curing.
- Casting Copies: After the part has dried, cut open the mold to retrieve the accurate copy.
Urethane Casting Technical Specifications
| Tolerance | ±0.03 mm |
| Minimum wall thickness | 1.5mm～2.5mm |
| Typical Quantities | 20~25 copies/mold |
| Color & Finishing | Customized Colors, Metallic, and texture |
| Typical Lead Time | Up to 20 parts in 10 days or less |
Urethane Casting Frequently Asked Questions
Can I choose Urethane Casting to make overmolding parts?
YES. Elastomeric urethane can be seamlessly molded over metal or plastic components to produce products with a rigid core and a soft surface. Additionally, inserts can be press fitted or glued into urethane parts.
Do the Urethane Casting can make clear plastic parts?
YES. We can do clear plastic parts by the urethane casting process.
Can I cutsom different colors parts by Urethane Casting?
YES. Usually, it’s no problem as long as you give us the specific color numbers.
Urethane Casting Video Introduction
Advantages of Vacuum Casting at ZXP Tech:
- Extensive Expertise: Our core team boasts over 20 years of experience in vacuum casting.
- Comprehensive Service: We offer clients holistic solutions, covering master-made prototypes, vacuum casting, and surface treatments.
- Quality Assurance: Trusted by Fortune 500 companies like ABB, HP, and Samsung, our quality is endorsed by industry leaders. We cater to diverse industries with custom parts.
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