Quick Answer
Calculate Thick-Walled Thermoplastic Cooling Time Estimator
Calculator
Result Interpretation
Thick-Walled Thermoplastic Cooling Time Estimator Calculator computes Cooling Time in s using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Melt Temperature = 523.15
- Mold Surface Temperature = 313.15
- Ejection Temperature = 343.15
- Part Wall Thickness = 0.01
- Thermal Diffusivity of Plastic = 1.0E-7
Expected Result:
- Cooling Time = 1119.2335990062
Engineering Interpretation:
Under the given input conditions, the calculated result is: Cooling Time = 1119.2335990062 s.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
cooling time = (part wall thickness * part wall thickness / (4.0 * thermal diffusivity of plastic)) * log((4.0 * 3.14159265358979 * (melt temperature - mold surface temperature)) / (ejection temperature - mold surface temperature))Formula family: formula_plastics_cooling_time_estimator_for_thick_walled_thermoplastic_parts
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| part_thickness | Part Wall Thickness | INPUT | Part Wall Thickness |
| melt_temp | Melt Temperature | INPUT | Melt Temperature |
| ejection_temp | Ejection Temperature | INPUT | Ejection Temperature |
| mold_temp | Mold Surface Temperature | INPUT | Mold Surface Temperature |
| thermal_diffusivity | Thermal Diffusivity of Plastic | INPUT | Thermal Diffusivity of Plastic |
| cooling_time | Cooling Time | OUTPUT | Cooling Time |
Calculation Steps
- Enter the part wall thickness in m.
- Enter the melt temperature in K.
- Enter the ejection temperature in K.
- Enter the mold surface temperature in K.
- Enter the thermal diffusivity of plastic in m^2/s.
- Step 1: Compute cooling time.
- Read the cooling time (s) from the results.
Engineering Summary
Calculate Thick-Walled Thermoplastic Cooling Time Estimator
Frequently Asked Questions
What does this calculator calculate?
The Thick-Walled Thermoplastic Cooling Time Estimator Calculator estimates Cooling Time based on the input parameters you provide
Why is part wall thickness important in this calculation?
part wall thickness is directly proportional to cooling time. When you enter part wall thickness in m, the calculator uses it in the engineering formula to compute the output
How should I interpret the result cooling time?
The calculator outputs cooling time in s. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Part Wall Thickness (m), Melt Temperature (K), Ejection Temperature (K), Mold Surface Temperature (K), Thermal Diffusivity of Plastic (m^2/s). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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