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Analyzed by : Thong Peng HouSaeilo Japan (M) Sdn. Bhd.Date 2006 .1 0 .1 0

Sample 2Sample 2

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PP/Targor/HostacomT40H550PP/Targor/HostacomT40H550Material informationMaterial information

ViscosityViscosity is a measure of the resistive force of a fluid against the flow. The higher the viscosity the

higher the resistive force; and flow becomes more difficult. For typical thermoplastic, viscosity is afunction of the plastics composition, temperature, pressure , shear rate, etc.

P VT RelationshipBecause the specific volume or density of thermoplastic is defined as a function of phase state,

temperature and pressureetc., we can commonly derive and quantify it with a state equation (or aP VT equation). Once the parameters in the P VT equation were acquired from experiments, they can be

used to calculate the value of the specific volume or density at any given temperature and pressure.

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Specific Heat or Heat CapacityThe thermal energy required to increase the temperature one degree per unit mass of polymer.

Polymer with high specific heat are more insensitive to temperature variations, and vice versa.Thermal Conductivity

Thermal conductivity is a measure of the thermal conduction characteristics of a substance. A higher thermal conductivity is equivalent to an excellent effect of thermal conduction, i.e., polymer tends tohave a uniform temperature without hot spots caused by accumulation of local thermal energy.Thermal conductivity and specific heat are closely related to polymer heat transfer and cooling

characteristics , they can also affect the cooling time.

PP/Targor/HostacomT40H550PP/Targor/HostacomT40H550Material informationMaterial information

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Original DesignOriginal DesignProcessProcess conditioncondition

This analysis is based on the following process condition below.

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Original DesignOriginal DesignMelt Front 10%Melt Front 10%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 10%Melt Front 10%

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Original DesignOriginal DesignMelt Front 20%Melt Front 20%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 20%Melt Front 20%

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Original DesignOriginal DesignMelt Front 30%Melt Front 30%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 30%Melt Front 30%

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Original DesignOriginal DesignMelt Front 40%Melt Front 40%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 40%Melt Front 40%

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Original DesignOriginal DesignMelt Front 50%Melt Front 50%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 50%Melt Front 50%

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Original DesignOriginal DesignMelt Front 60%Melt Front 60%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 60%Melt Front 60%

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Original DesignOriginal DesignMelt Front 70%Melt Front 70%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 70%Melt Front 70%

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Original DesignOriginal DesignMelt Front 80%Melt Front 80%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 80%Melt Front 80%

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Original DesignOriginal DesignMelt Front 90%Melt Front 90%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 90%Melt Front 90%

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Original DesignOriginal DesignMelt Front 100%Melt Front 100%

The advancement of melt front at different time is displayed by different color. The time scale is

shown in color bar. From the melt front advancement one can examine the filling/packing patternof the melt. Incomplete filling/short shot, over-pack flash, weld line, and air trap problems can bedetected and avoided by modifying design or processing variables.

Melt Front 100%Melt Front 100%

Click here for movieClick here for movie

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Original DesignOriginal DesignWarp / Total DisplacementWarp / Total Displacement

Shows the total displacement ( All effects are considered) after the part is ejected and cooled

down to room temperature.

Total Displacement = 1.2 3 mm

Click here for movieClick here for movie

(scale up 6 times)(scale up 6 times)

Warpage analysis is done without cooling analysis.

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Thank You !Thank You !