Material
There are a number of considerations to bear in mind before undertaking injection moulding:
Financial
The entry cost for injection moulding manufacturing can be high, given the cost of the machinery and the moulds themselves.
Quantity of Production
It is important to determine how many parts you wish to manufacture so as to decide whether injection moulding is the most cost-effective production method.
Design Elements
Minimizing the number of parts and simplifying the geometry of your items will make injection moulding easier. In addition, the design of the mould tool is important to prevent defects during production.
Production considerations
Minimizing the cycle time will aid production, as will using machines with hot runner moulds and well-thought-out tooling. Such small changes and the use of hot runner systems can equal production savings for your parts. There will also be cost savings from minimizing assembly requirements, especially if you are producing many thousands or even millions of parts.
Injection Moulding can be an expensive process, but there are several ways in which you can reduce mould costs, including:
Eliminate undercuts
Remove unnecessary features
Use a core cavity approach
Reduce cosmetic finishes
Design parts that self-mate
Modify and re-use existing moulds
Use a multi cavity or family type of mould