1、Shape of flexspline
HM is short for Han's Motion
Flexsplines’ shapes are divided into cup and hat, “C” refers to cup and “H” refers to hat.
Flexsplines’ lengths are divided into standard and dwarf, “S” refers to standard and “D” refers to dwarf.
2、Model refers to the corresponding harmonic reducer pitch diameter
3、The ratios are usually 30,50,80,100,120 etc.
4、The structure of harmonic gear reducer is divided into two categories: cup type and hat type,as shown in the following table:
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