Table 4 The allowable design values of the geometrical and pressure angle constraints.
Constraint | \([{\phi ^ - }]\) | \([{\phi ^{\text{+}}}]\) | \([\alpha ]\) | \([\beta ]\) | \({e_{\rm min}}\) |
|---|---|---|---|---|---|
Values | \(- {45^ \circ }\) | \({90^ \circ }\) | \({45^ \circ }\) | \({60^ \circ }\) | \(0.1{\kern 1pt} {\kern 1pt} {\kern 1pt} \text{m}\) |
