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Access: |
Ribbon: Design tab  Power Transmission panel Worm Gear  and on the Calculation tab, select Legacy ANSI from the drop-down list in the Method of Strength Calculation area. Click Factors. |
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OK |
Confirms the selection and closes the dialog box. |
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Cancel |
Closes the dialog box. |
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User Factors |
When selected, you can enter values manually. |
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Factors of Additional Load |
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Overload Factor K o |
Overload Factor is intended to account for an occasional load of the nominal design load F t . It can be established from experience with the particular application. Otherwise use K o = 1. Click Factors... on the context menu to open Overload Factor dialog box where you can select the value. |
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Speed Factor K v |
Speed factor takes into account the influence of worm gear speed. |
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Lewis Form Factor y |
Lewis Form Factor takes into account the influence of pressure angle. |
Tip: See the Engineer's Handbook for factors calculation formulas.