The book is because it has undergone multiple editions (currently 10th or 11th edition) with updates to reflect modern manufacturing. Publishers like Media Promoters & Publishers and reprinters like Khanna Publishers ensure quality control.
Raj studied the diagram of the rough boring tool versus the finish boring tool. He realized his mistake. He had been approaching the cut with the wrong rake angle, counting on the rigidity of his old machine to compensate for a theoretical error. The book didn't lie. The physics were absolute. manufacturing technology by hajra choudharypdf verified