DESIGN GUIDE - Thermoform

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DESIGN GUIDEOVERVIEWDRAW RATIORADII AND CHAMFERSUNDERCUTSDRAFTTEXTURESRIBS & LOUVERSFASTENINGDIMENSIONAL TOLERANCESDIMENSIONING65 Waukegan Road | Lake Bluff, IL 60044 | PH: | Waukegan Road | Lake Bluff, IL 60044 | PH: | PROCESSESVACUUM FORMING:The process of evacuating air from the sealed space between the hot sheet and the mold, thus allowing atmospheric pressure ( ) to force the sheet to conform with the contour of the : Non-critical appearance covers, dunnage trays, internal covers. Competes with sheet metal and Fiberglass. A low to medium volume FORMINGThe process of applying compressed air (20-120 ) to a hot sheet, thus forcing it to conform to the contour of the mold.

blow molding and rotational molding. A low to medium volume process. ABOUT THE SHEET Thermoforming requires a previously extruded sheet. In the process the two operations; i.e.., sheet extrusion and forming, are uncoupled. This simplifies the process, but does add to the cost. Costs are increased because of the extra

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