SHOT BLASTING WHEEL FOR SHOT BLASTING CLEANING EQUIPMENT

摘要

A shot blasting wheel has a base plate (8) with angularly-spaced elongate grooves (12) therein, into which complementary tongue formations (11) on shot accelerating blades (9) engage. A rearwardly-directed lug (14) is provided on each blade (9), each lug being engaged by a bolt (13). Each lug (14) includes a wedging surface (14a) which results in a locking force on the lug having components normal to the base plate (8) and parallel thereto to lock the tongue formation (11) in the associated groove (12). The interengaged tongue-and-groove formations (11, 12) prevent the ingress of shot by lands (9c), provided on the bottom surface of the blades (9) which lands are in close contact with the base plate (8).