637 Каталог HOFFMANN GROUP 2016 Станочный режущий и вспомогательный инструмент Вер. 47 Стр.637

Каталог HOFFMANN GROUP 2016 Режущий инструмент и оснастка Стр. 637 0637 ENG Lab2u

Hoffmann Group 47 Determining the angle of inclination For highest profile accuracy and best surface quality combined with even wear and therefore longer tool life of the insert, the insert inclination angle a has to correspond with the thread pitch angle J as exactly as possible. Incorrect Correct Pitch angle using the formula Inch: Metric: 20xP a=- Example: 508 Thread pitch P = 2 DxP Nominal 0D = 30 mm Thread pitch P o = 2° 2 =1,33” 30 Result: The suitable shim has 1.5° inclination. Machining can be performed using the standard shim. by graphics Feed towards chuck 637