Maybe someone made it before but we have our owne sytem to balance a telescope on it's equat. mount. It is a combination of sliding and turning the counterweihgt around it's axis. It allows us to mount and also to microadjust the weight very vast. But it needs a lath to make, so...
Jaw crusher contains frame, eccentric shaft, big belt pulley, flywheel, side guard plate, toggle plate, back seat of toggle plate,clearance adjustable screw, reset spring, fixed jaw and movable jaw, etc. and among them the toggle plate also has insurance effec...