bids are invited for custom bid for services - repairing of drive drum shaft of link belt fitted at naigaon chp - link belt drive drum broken shaft removing and dismantling. , coupling removing from broken shaft on hydrolic press machine. , broken shaft aligned and true and joint at proper position. , shaft v cutting with gousing electrod for proper welding. , shaft welding with proper joint electrod and cutting to original shape. , drum shaft welding coupling size machining and key way making. , coupling boaring bush new fitting locking shaft size boaring and key way making. , feeder motor coupling boaring bush new fitting locking boaring key way making