https://www.avient.com/resource-center?document_subtype=0&document_type=59&form_id=resource_filter_form&industry=0&op=FILTER RESULTS&product_family=0&product_name=0&page=23
Soft Foam Ammo for Toy
https://www.avient.com/resource-center?document_type=59&document_subtype=0&industry=0&product_family=0&product_name=0&op=FILTER RESULTS&form_id=resource_filter_form&page=20
Enhanced ergonomics and functionality with improved soft grip
https://www.avient.com/products/engineered-polymer-formulations/structural-fiber-reinforced-formulations
Enhance your product’s appearance and feel with soft-to-the-touch elastomers
https://www.avient.com/products/engineered-polymer-formulations/structural-fiber-reinforced-formulations/short-fiber-reinforced-formulations
Enhance your product’s appearance and feel with soft-to-the-touch elastomers
https://www.avient.com/products/engineered-polymer-formulations/chemical-corrosion-resistant-formulations
Enhance your product’s appearance and feel with soft-to-the-touch elastomers
https://www.avient.com/sites/default/files/2020-10/luxury-closures-gravi-tech-design-guide-2.0-application-specific.pdf
Unfortunately, this method
only has limited durability and has a minimum
amount of assembly repeatability.2
FIGURE 19 - Mechanical Fasteners
Design Guidlines
Potential high stress
due to wedging action
of screw head
Potential high stress
due to wedging action
of screw head
Poor DesignsPoor Designs Preferred DesignsPreferred Designs
Planned gap between added
bosses prevents excessive
bending of hosing as bosses
touch and go into compression
Planned gap between added
bosses prevents excessive
bending of hosing as bosses
touch and go into compression
Alternative recessed head
design avoids potentially
dangerous wedging action
Alternative recessed head
design avoids potentially
dangerous wedging action
Truss or Round Head ScrewTruss or Round Head Screw
Potential high bending
stress as bolt is tightened
Potential high bending
stress as bolt is tightened
Flat-head Screw
Standard Screw
Plastic Part
Metal Sub-frame
Shoulder Screw
Plastic
Metal
Casting
FIGURE 20 - Mechanical fasteners design guidelines
σH =
DShaft
W = DShaft
DShaft
1 +
FIGURE 16 - Interference fit variable
σH =
DShaft
W = DShaft
DShaft
1 +
FIGURE 17 - Geometry factor variable
σH =
DShaft
W = DShaft
DShaft
1 +
FIGURE 18 - Hoop stress equation
σH =
DShaft
W = DShaft
DShaft
1 +
FIGURE 19 - Press fit pull-out force
.400
.500
.375
.373
.650
FIGURE 15 - Press fit example
Design Guide 13
ADHESIVE TYPES
A chart containing the various specific adhesive
types, with advantages and disadvantages of
both can be seen in the appendix.
FIGURE 32 - Bubbler (left) & Ba�e (Right)
FIGURE 34 - Bubbler (left) & Baffle (right)
FIGURE 35 - Series cooling line layout
25% - 75% Wall Thickness
10˚(soft materials) - 30˚(brittle materials)
110˚(brittle materials)-
140˚(soft materials)
FIGURE 33 - Tunnel gate
18 Gravi-Tech
Cooling Line Guidelines
The rules for cooling line layouts are to keep
the depth and pitch ratios constant throughout.
https://www.avient.com/resources/safety-data-sheets?page=1612
ALL SOFT BEIGE
https://www.avient.com/resources/safety-data-sheets?page=2321
10340Q1FSB QUANTUMONE FASHION SOFT BASE
https://www.avient.com/resources/safety-data-sheets?page=3135
SOFT BASE YY625
https://www.avient.com/resources/safety-data-sheets?page=3534
CN4A MED SOFT CERAMIC 3325MT