Research Article

Research on the Synchronization and Shock Characteristics of an Air Adjustment Mechanism for Cluster-Type DTH Hammers under Partial Loads

Figure 31

Test curves of the eccentric load mode 3. (a) Curves of eccentric load mode 3 for the dividing/focusing valve. (b) Curves of eccentric load mode 3 for the proportional valve.
(a)
(b)