When it comes to large, high capital cost machines such as a soft coal excavator, it is more economical to repair any worn parts than to replace the worn components with brand new ones. A chain link on an excavator is a good example here. After approximately four years of harsh, continuous operation, these steel [...]
Gear shafts with plug-in toothing, bevel gears with hypoid teeth and similar axial components can warp during manufacture. Therefore, an inspection/measurement of the run-out is necessary. The workpiece is adjusted if required. For this, the extent of the “ovality” and the direction in which it should be adjusted must be determined. Engineering company EHR has [...]