Mold design and construction requires special attention for optimal product quality and reliable molding.
A detailed specification is required in
advance:
 -product shape and tolerances
 -mold in relation to molding equipment
 -parting lines; venting
 -number of cavities
 -runner lay-out and gating system
 -ejection system
 -cooling system lay-out
 -type of tool steel
 -surface finish.