Things To Consider When Purchasing Used Injection Molding Machines


used injection molding machineshttp://www.premierplasticsnj.com/

Plastic injection molding can be a lucrative business if you just take the right approach when venturing into it. If you ask anyone that is already established in this business, you will find that plastic injection molding is just important and relevant as any other machining process. It is something that you should definitely consider if you want to make plastic products consistently and profitably.

One of the important pieces of equipment that you will need when you decide to venture into the plastic part manufacturing business is an injection molding machine. Brand new injection molding machines can be quite expensive, so if you are on a tight budget, you may want to consider used injection molding machines. There are many things to consider when purchasing used injection molders, such as shot size, ejector stroke, tie bar spacing, size plates and tonnage.

Shot size in injection molding machine refers to the maximum amount of plastic that the injection molder is capable of injecting into the molding cavity in one cycle. The amount is rated in ounces of general purpose polystyrene for US machines and cm3 for Asian and European injection molders. When choosing an injection molder, it's always best practice to look for one that is capable of producing 30 to 40 percent greater shot sizes compared to what your parts require.

Clamp tonnage is another important thing to consider when buying used injection molding machines . Also referred to as clamping pressure, the tonnage is measured by how many tons with which the injection molder is capable of pressing together the platens that hold the mold cavity and form the plastic that is injected into the said cavity to produce the desired plastic parts.

Tie bar spacing is also an important thing to consider when choosing used injection molding machines . It is the space between horizontal tie bars on the injection molder. The tie bar spacing along with the plates max spacing determines the maximum size of molds that can be placed in the injection molder.

For more tips on how to buy the right used injection molding machines, visit our website at http://www.premierplasticsnj.com/

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