Product S o l u t i o n t o o l PRAD system Reborn PRAD system Version of special tap According to manufacturing Demand Manufacturing system of Manufacturing of special taps usually starts from cutting-off process of materials to finished product through tens of special taps beginnig from manufacturing processes. the use of standard blanks. If we use standard blanks to make special taps, we can complete finished product only by edging (on flutes, thread and chamfer ). 1 Flow chart of special tap manufacturing By not using YAMAWA standard BY using YAMAWA standard blanks, we make special taps. blanks, we make special taps. Step1. Step1. material supplier edging Step2. Step2.delivery PRAD SYSTEM blank manufacturing Step3. By using YAMAWA edging standard blanks, Step4.delivery we can start only from the process of edging. USER 2 Corresponding tap specifications derived from standard blanks Standard blanks can be standard blank modified into various tap geometries. Special spiral uted tap Special spiral pointed tap Special roll tap Special spiral uted tap (BL ) Special spiral pointed tap (BL ) Special T tap Thread crests are ground o up to imaginary line of pitch Corresponding tap specifications derived from standard blanks diameter. BL design is quite efficient in avoiding chipping. PRAD-2 759