Rotational Molding Blow Molding Thermoforming Chapter 6.4,5,8.

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Presentation transcript:

Rotational Molding Blow Molding Thermoforming Chapter 6.4,5,8

Rotational Molding

THE ROTATIONAL MOLDING PROCESS

class.et.byu.edu/.../ rotationalmolding.htm

Blow Molding

public/blowmolding.cfm

bl-mold.htm

mat-fab/blow/PETBlow.html

polyflow/blow.htm Extrusion Blow Molding Animation (from Fluent, CFD software)

Blow Molding Animation (from Fluent, CFD software) polyflow/blow.htm

Thermoforming

Vacuum Forming Vacuum Forming is accomplished by heating the plastic sheet until it is pliable enough to be vacuumed either into a female mold or over a male mold. thermoforming.html

thermoforming.htm

Pressure Forming Pressure Forming is nothing more than Vacuum Forming with pressure assist to the forming process to enable crisper detail and sharper features. Pressure Forming utilizes pressurized air to push the heated sheet into the cavity. Pressure formed parts can resemble the detail of injection molded parts at a fraction of the tooling cost. thermoforming.html

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