What is Rapid Injection Molding?

Rapid Injection Molded Plastic Parts Find Providers For Inj Molding

Injection molding tooling made using affordable CNC processes. Moderately expensive.
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CNC and EDM machines make plastic injection molding quick and affordable for low-volume manufacturing.

How It Works
Rapid Injection Molding can shave weeks and hundreds or thousands of dollars off of the traditional molding process, which uses more expensive materials and equipment for creating molds. Rapid tooling is usually made of affordable aluminum, which does not last as long as steel but does save money for low-volume production or prototype parts. The time savings is also a big deal. Some companies offer this service with a 1 or 2-day turnaround.

Typical Uses
  • Rapid Prototypes
  • Production Parts
Example quotes for a 2-inch sphere:
Process Qty 1 Qty 10
SLA $376 each $109 each
SLS $501 each $121 each
FDM $182 each $154 each
PolyJet $479 each $139 each
Machined Plastic $458 each $139 each
Urethane Castings N/A $120 each
Rapid Injection N/A $1,500 for 25
So, you can see how volume discounts can be a big factor, especially for processes that are slow in the vertical direction.

For More Information
Wikipedia article

See the Next Article: CNC Machining

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SLA - Learn More
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RTV - Learn More
Machined Plastic - Learn More
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Sheet Metal - Learn More
Metal Castings - Learn More

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