Draw Ratio Thermoforming. The depth of any cavity cannot exceed a 43 ratio of depth to width. Is There More Than One Definition.
For high-density polyethylene the best results are achieved when this ratio does not exceed 071. Cavity Mold Linear Draw Ratio Length of line prior to forming 6 Length of line after forming 6 3 6 15 Linear Draw Ratio 156 25 In other words the. Is There More Than One Definition.
A draw ratio of less than 1 to 1 is preferable.
Spell thermoforming is the phrase Draw Ratio So this lesson focuses on the concept of draw ratio. The draw ratio expresses the relationship between the beginning surface area of the unformed sheet which covers the opening of a feature and the ending surface area of the interior of the feature once formed. Draw refers to the ratio of height to width of the part at any location. For high-density polyethylene the best results are achieved when this ratio does not exceed 071.
