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Help CenterInjection Crate Mould Technical Points
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Specifications
long life injection crate mould,with high speed performance,
1. How to make a injection crate mould long life running?
--Make the corret harden treatment to each steel piece and make the steel hardnee controlled, you can't make it too hard.
--The moving area or guiding system of Crate Mold must be very precise machining proceesed.Any hard working on it is not acceptable.
--If the plastic crate is one -time using, some of the molding company, they use recycled material to consider about this 2points. A. how to be sure the small iron piece and pebbles will not damage the cavities and cores. B. how to avoid the small iron piece and pebbles enter into the cavities?
--Choose the correct steel for mould base and mould main steel. For eample, if you need to make a 4 cavities Crate Mold, then you need to make to use a pre-hardened steel with with HRC bigger then 33 for mould base. You have to choose the correct steel or material for the durable mold components.
2. How to make a injection Crate Mold with high speed performance?
Good plastic material filling system, you need a very special hot runner system, because if you need to molding a durable plastic crate, then you need to use low MFI HDPE, such like MFI =4 or even MFI =6....
You need to make the cooling the best optimal effect, for durable plastic Crate Mold, you need to use mold-max on themolding area with excellent cooling system designed.... you need the high speed injection machine to run it, the screw RPM should be bigger than 350. in the world, now most of the crate manufacturer they use an acculator to increase the melt and injection speed. Plastic Crate Mold design also is very important, it is better to use a machanical system onto the Crate Mould ejection, in this way, you can make the injection action when the mold opening.
For all kinds of mold, the high spped running is based on the mold is precised machining, the movement parts with accurate guided...otherwise, there is no posibility for a mold high speed performance.
Then you have to check the CMM(the mould parts dimension cntrolling equipments),as because some of the mould company they never measure the mould's parts before assembling.
3.Plastic injection crate mold's handle area venting solution:
This is an important issue, as because when the crate was located and the people carry the crate,the 2 handle area will be the biggest force focuesd. if on the mould, this area's air venting is not perfect, there will be a very obviously jointing line. the damage are always come from this line.
if you need high quality injection crate mould, please call me :+0086 13957627151
2013-3-26
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