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Mold Design
The designers and tool engineers at BMJ Mold know that
high-quality molds begin with well-engineered designs. They
also understand the need to account for molding systems and techniques that can vary from molder to molder.
For these reasons, our staff works very closely with the customer's
tool engineers to design a custom mold that will:
- Function properly in their
environment with as large of a process window as possible
- Require minimal maintenance and repairs
- Retain long production life
Located at our facility in Central Indiana, our designers are
available for consultation during normal working hours, and are within a
few hours travel to any place in the country.
They are also available to
help solve any problems or oversights that may develop after mold delivery.
If travel is necessary, we will come to your plant upon request.
Mold Design for Many Applications
Almost all molds are designed as 3-D models and delivered to the mold
maker's bench via his laptop computer in a paperless system.
- This
process reduces the time required to build the mold; and by utilizing
the customer's data base to develop the mold design and build the mold,
we virtually eliminate any mistakes
- While there are a variety of mold options, the choice of mold is usually
determined by:
- Type and design of the part being produced
- Production size requirements
- Type of plastic to be run
- A number of additional factors (for more information, see
Quotations: The Process
Step-by-Step)
Mold Design: Many Injection Molding Systems
The types of molds we
can design and build include:
(click on names for more information)
-
Hot Runner Molds - shoots material directly into individual cavities; eliminates the runner for
reduced material cost and less handling
- Cold Runner Molds - injects material into a runner system that redirects it into individual cavities;
lower initial start-up cost than Hot Runner
- Insert Mold – an “over-mold” to
mold plastic around other materials, such as brass, steel, aluminum, or even other plastic inserts, such as sleeves for drill housings, latches, and screen mesh buffer tubes
- 2-Shot Molds (also 3-Shot and 4-Shot Molds) - a cost-effective way to
produce parts with 2 or more colors molded at the same time; eliminates a secondary process to add logos, graphics or text
- Stack Molds – high production molds for multiple parting lines; can
produce multiple parts more economically over a large production run
- Unscrewing Molds – to produce
parts with internal or external threads, such as nuts, nut augers, sprinkler heads
Mold Design: Used in Virtually Every Industry
At BMJ, we can design and build plastic injection molds for products
used in most industries due to their durability, ease and speed of production, and cost-effectiveness, including:
For a quote or more information about how we can help your project, call 765-457-1166, or send us an email, or submit this short form:
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