Tolerance of Chain Contact Pitch and Chain Length in the New Edaphic and Mineral Chain Ditcher;

The formulas concern two kind of saw chains with same pitch and different pitch and three kind of sprockets,which are rim sprocket,spur sprocket and nose sprocket.

Based on study and precision analyses on the outer diameter and pitch measure of the synchronization belt-wheels,the paper considers that standard offset can be measured only by using ordinary tools and effective and dependable result obtained.

Identification for periodicity and pitch order of low noise tread patterns;