Capabilities of blow molding
Shapes: Thin-walled:
CylindricalThin-walled:
CubicThin-walled: Complex
Part size: Envelope: Up to 105 ft³
Materials: hermoplastics
Surface finish - Ra: 250 - 500 μin
Tolerance: ± 0.04 in.
Max wall thickness:0.015 - 0.125 in.
Quantity: 100000 - 1000000
Lead time: Days
Advantages:
Can form complex shapes with uniform wall thickness
- High production rate
- Low labor cost
- Little scrap generated
Disadvantages:
Limited to hollow, thin walled parts with low degree of asymmetry
- Poor control of wall thickness
- Poor surface finish
- Few material options
- High tooling and equipment cost
Applications:
Bottles, containers, ducting
