MoldingMoldingMoldingMolding or  or moldingmolding is the  is the process of manufacturing by process of manufacturing by shaping liquid or pliable raw shaping liquid or pliable raw material using a rigid frame material using a rigid frame called a mold or matrix.called a mold or matrix.

Used for (plastic ,glass, Used for (plastic ,glass, metal or ceramic raw metal or ceramic raw materials)materials)

Types of moldingTypes of molding Types of molding include:Types of molding include: Blow moldingBlow molding Compression moldingCompression molding Extrusion moldingExtrusion molding Injection moldingInjection molding Matrix moldingMatrix molding Rotational molding (or Rotomolding)Rotational molding (or Rotomolding)

Injection moldingInjection molding

Injection moldingInjection molding is  is a manufacturing process for a manufacturing process for producing parts by injecting material producing parts by injecting material into a mould at a high pressure . The into a mould at a high pressure . The injecting orifice has a small dia.injecting orifice has a small dia.

RECOMMENDATIONRECOMMENDATION ALL ALL

THERMOPLASTICS(NYLON.POLUSTYRTHERMOPLASTICS(NYLON.POLUSTYRENE,POLYETHYLENE)ENE,POLYETHYLENE)

SOME THERMOSETTINGS (EPOXY SOME THERMOSETTINGS (EPOXY RESINS,PHENOLIC)RESINS,PHENOLIC)

FOR MASS PRODUCTIONFOR MASS PRODUCTION

APPLICATIONSAPPLICATIONS Injection molding is used to create Injection molding is used to create

many things such as   bottle caps, many things such as   bottle caps, automotive parts and components, automotive parts and components, pocket combs, some musical pocket combs, some musical instruments (and parts of them), instruments (and parts of them), one-piece chairs and small tables, one-piece chairs and small tables, storage containers, mechanical parts storage containers, mechanical parts (including gears), and most other (including gears), and most other plastic products available today. plastic products available today.

BLOW MOLDINGBLOW MOLDING The blow molding process, in The blow molding process, in

comparison with comparison with injection molding injection molding , , is a low pressure process with typical is a low pressure process with typical blow air pressures around 25 to 150 blow air pressures around 25 to 150 psi. There are several different types psi. There are several different types of blow moldingof blow molding

Types of blow molding

Injection blow molding Extrusion blow molding Stretch bow molding

Extrusion blow molding

Injection blow molding

Stretch blow molding

APPLICATIONSAPPLICATIONS BEVERAGE INDUSTRYBEVERAGE INDUSTRY JARS AND CONTINERSJARS AND CONTINERS FLUID OIL TANKSFLUID OIL TANKS MUGS TOYSMUGS TOYS