Proof and fatigue testing of BT 11/12 bogie cast aluminium axleboxes (TM-STM-043)

Cast aluminium axleboxes are currently fitted to all vehicles on the Prototype APT train sets. Proof and fatigue testing of the trailer car bogie (BT11/12) axlebox has been carried out in the laboratory. It has been shown that high stresses, due to secondary bending effects, occur at the top of...