Injection Moulding FAQs
The Plastic Injection Molding Process
Have some questions about injection moulding/molding? We try to answer some of the commonly asked questions when choosing a molder.
What kind of certification should I look for in a moulder/molder?
Working with a company that is certified to ISO 9001 as a minimum to ensure their quality standard and continuous improvement is carried out on your project being right and on time.
How do I choose the right material/polymer for my part?
The range of materials to choose from is extensive and seeking the right advice is key to the success of your project. Both from a cost/performance point of view don’t over specify the material as it will increase the cost of each part. If possible select material which are readily available and there are a number of alternatives to choose from.
How do I go about transferring existing moulds/molds to a new supplier?
Injection Mould tools are usually manufactured to suit a certain make and type of moulding/molding machine. But the changes needed when tools are transferred should not cost more than few hundred pounds/dollars and take no longer than a couple of weeks. Typical changes Sprue bush, locating ring, ejector coupling and water fitting.
How much will the mould/mold cost?
Starting with a prototype tool produced from aluminium or P20 steel and depending on the shape/complexity of the part will cost in low thousands pounds/dollars. To reduce the cost further it sometimes possible to fit inserts(Core and Cavity) into a standard bolster.
What is the life expectancy of the mould/mold tool?
High quality tooling with multi cavities produced in fully hardened steel should be expected to produce 1 million shots before extensive refurbishment cost. As your moulder/molder what tool life they will guarantee.
Injection Moulding in the UK
Biplas is an experienced injection molding company in the UK. Contact us to find out how we can help you with your manufacturing needs.