High quality plastic crate mould| high quality and large production plastic crate mould-SINO
How to make a high quality plastic cratemould ? You must know crate mold technology and quality key points if you want to make such a mold. Quality points: 1. Long mould life. 2. High speed injection. 3. Good air venting system on the crate handles part. Technology points: How to make the crate mould life longer? 1. First of all, select suitable mould base and cavity, core steel material. Such as: product a set of 4 cavities crate mould, we must adopt the steel which hardness > 33 as the mould base, then choose suitable mould standard spare parts. 2. Second, we must control every steel’s hardness, can’t too hard. 3. Third, all of the mould friction and guide parts must do finish machining, can’t adopt any hand work. 4. ...