For harder materials, the Shore D durometer is used, as it has a sharp indenter and a stronger spring to penetrate to a greater depth.

For harder materials, the Shore D durometer is used, as it has a sharp indenter and a stronger spring to penetrate to a greater depth.

The round at the bottom of the boss should Figure 4 - Drafting Guidelines for Nominal Wall Thickness Cross section showing draft Figure 5 - Rib design guidelines 1/4˚—–1˚ 2.5W W 3W Min. .01" R Min. or .25W .75W for a low shrink material .50W for a high shrink material Figure 6 - Wall thickness changes due to rib placement 16.00 14.00 12.00 10.00 8.00 6.00 4.00 2.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 Rib-height (mm) M ax D is p la ce m en t M ag n it u d e (m m ) 0 FIGURE 4 - Drafing guidelines for nominal wall thickness FIGURE 5 - Rib design guidelines FIGURE 7 - Wall thickness changes due to rib placement FIGURE 6 - Rib height vs. stiffness 10 Gravi-Tech FIGURE 8 - Side Wall Boss Design Guidelines Sink Not Recommended Preferred Design A = Diameter = A = Primary Wall = A = 2A FIGURE 9 - Guidelines Design Guidelines 4W W 2W .75W For a Low Shrink Material .50W For a High Shrink Material FIGURE 9 - Side wall boss design guidelines FIGURE 10 - Gusset design guidelines FIGURE 11 - Structural hole design guidelines be 10% of wall thickness. 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 Part Metal Casting FIGURE 20 - Mechanical fasteners design guidelines F= π × µ × DShaft 1engage × σH W I = D – 0.373 = 0.0002" σH = 1 × W DShaft W + v E( ) σH = = 200psi 0.002 × 1.998 0.375 1.998 + 0.4 450000( ) W = = 1.998 1 – 0.375 0.650( )2 1 + 0.375 0.650( )2 W = DShaft ODHub 1 – ( )2 DShaft ODHub ( )2 1 + FIGURE 16 - Interference fit variable F= π × µ × DShaft 1engage × σH W I = D – 0.373 = 0.0002" σH = 1 × W DShaft W + v E( ) σH = = 200psi 0.002 × 1.998 0.375 1.998 + 0.4 450000( ) W = = 1.998 1 – 0.375 0.650( )2 1 + 0.375 0.650( )2 W = DShaft ODHub 1 – ( )2 DShaft ODHub ( )2 1 + FIGURE 17 - Geometry factor variable F= π × µ × DShaft 1engage × σH W I = D – 0.373 = 0.0002" σH = 1 × W DShaft W + v E( ) σH = = 200psi 0.002 × 1.998 0.375 1.998 + 0.4 450000( ) W = = 1.998 1 – 0.375 0.650( )2 1 + 0.375 0.650( )2 W = DShaft ODHub 1 – ( )2 DShaft ODHub ( )2 1 + FIGURE 18 - Hoop stress equation F= π × µ × DShaft 1engage × σH W I = D – 0.373 = 0.0002" σH = 1 × W DShaft W + v E( ) σH = = 200psi 0.002 × 1.998 0.375 1.998 + 0.4 450000( ) W = = 1.998 1 – 0.375 0.650( )2 1 + 0.375 0.650( )2 W = DShaft ODHub 1 – ( )2 DShaft ODHub ( )2 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. SERIES PARALLEL Pressure Drop High Low Flow Rates Consistent Variable Temperature Rise Potential Large Small Horsepower Requirements Higher Lower Reynolds Numbers Higher Lower FIGURE 37 - Parallel vs series cooling line layout Part FIGURE 36 - Parallel cooling line layout Plastic Molding Draft Angle Mold Core Ffriction Fnormal Feject FIGURE 38 - Friction force Can use larger pin at intersections FIGURE 39 - Ejection pin layout Design Guide 19 FIGURE 39 - Sripper Plate Core Block Core Insert Stipper Plate Ejector Pin Bolts Ejector Pin FIGURE 40 - Ejector sleeve Land = 3*D 0.001 in 0.02 mm 0.020 in 0.5 mm D FIGURE 42 - Ejector pin design guidelines FIGURE 41 - Stripper plate Stripper Plate This type of ejector is often used with round parts to provide a constant ejection force on the entire part.

Parts Consolidation – The ability to produce more complex 3-D shapes leads to consolidation of parts and the elimination of corresponding production, secondary operations, and assembly steps to provide labor and time cost-savings.

NEWLIN Stephen D. HARNETT Gordon D. Wulfsohn, Stephen D.

On March 9, 2016, Stephen D. Richardson 9,472 - 9,472 Stephen D. Stock Awards (columns (d) and (e)) Column (d) reports the vesting and release of RSUs during 2015 on an aggregate basis.

• Das geistige Eigentum von Avient ist zu respektieren (d. h.

Data Insulation 6200 D 11.0 14 350 30 Low thickness and high speed processing.

Parameters NM5600-8002 RS NM5600-8004 RS Drying Temperature 100–120°C 100–130°C Drying Time 4–6 hours 4–6 hours Barrel Temperature °C °C Rear Zone 250–270 260–270 Central Zone 260–280 270–290 Front Zone 270–295 290–305 Nozzle 290–300 290–300 Mold Temperature 80–100 80–100 Screw Speed Moderate Moderate Back Pressure 3–10bar 3–10bar Cushion stroke 5–10% of plasticizing stroke 5–10% plasticizing of stroke Injection Speed Medium Medium Injection Pressure Medium–high Medium–high Holding Pressure 30–50% of injection pressure 20–40% of injection pressure Screw Type General purpose General purpose Screw L/D 20:1 20:1 Screw Compression Ratio 2.5:1 2.5:1 Non-return Check Valve Free flow check ring Free flow check ring Nozzle Type Reverse taper Reverse taper Barrel Capacity 30–80% of barrel should be used Processing Guide 2 Start Up & Shut Down Recommendations Purge Compound 1. 2–3 melt flow PP or purging compound.

Data Insulation 6200 D 11.0 14 350 30 Low thickness and high speed processing.