I'd like to know the main parameters that should be considered in designing of injection mold. Also, I need to know a source for standardized calculations.
It is not easy to answer this inquiry directly but you can search about design guidelines of plastic injection molding.
Here some references mentioned four major design choices for producing injection molded parts:
1- Mold design parameters
2- Part design parameters
3- Gate design and location
4- Molding conditions and parameters
Regarding to the Mold design parameters, draft and cavity bends are most important. For complex molds the smoother and gentler turns is necessary to avoid sudden changes in flow direction.
For more information, you can see: https://www.creativemechanisms.com/blog/4-design-choices-anyone-working-with-injection-molding-should-make
Take a look at the Moldflow design principles on Autodesk's site.
https://knowledge.autodesk.com/support/moldflow-design/learn-explore/caas/video/youtube/watch-v-YfZ8lcnnuRo.html
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