To design a prototype or production blow mould, we work with 2 CAD softwares (3D) : Catia V5 and Solidworks.
We work according to the files sent and validated by the customer.
We suggest some arrangements on the parts in order to optimize the process (addition of reference points and welding areas for example).
Upon completion, we define how the part will be placed into the mould. It is a very important step in the design of the mould.
According to the material required by the customer a shrinkage is applied on the part. Indeed we increase the size of the part by a scaling factor so that when cooling it is at the right dimension. Each material has its own shrinkage value.
We draw the split line, which is a stretched surface from 30 to 40mm on both sides of the part and, which is perpendicular to the direction of mold opening.
For specific shapes that do not release naturally, we set up some movements to make the ejection of the part easier.
The cavities are regulated to cool down the mold during the manufacturing process.
The mold is made in aluminium or in steel depending on the quantity to produce (prototypes or productions).
Once the design of the mold finished, we make a design review of the mould to validate the study, the technical file is transmitted to the CAM department to program the tool paths (WORK NC).
The machining and the assembly of the different parts of the mould are implemented in our workshops.
A project following-up is made at every step of the mould manufacturing.