Каталог оснастка Dormer Pramet 2016 - страница 256

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STEEP TAPER Large manual machines and CNC machines use tool- place with a pull stud or a draw bar thread. With CNC holders that have been precisely ground with a male machines, the pull stud is more popular because it taper that mates with the machine’s specific female allows for easier automatic tool changing. taper. There is also a way to secure the toolholder in DIN 69871 A toolholder consists of five basic components: ISO 60 ❸ ❹ ❷ ❶ MA S 403 BT DIN 2080 ❺ HSK-A ❶ Pull Stud ❹ Adapter ❷ Tapered Shank ❺ Opposed Slot ❸ Gripper groove: circular groove VDI Tapered shank The standard defines four basic taper shank sizes including SK 30, SK 40, SK 50, and SK 60. MORSE The correct Taper shank for the type of machine: ISO 60 Very large machines ISO 50 Medium size machines ISO 40 Small size machines ISO 30 Very small machines Coolant supply form AD/B Toolholders form AD/B have internal coolant supply. To use form B (coolant supply through the collar) the two headless screws must be removed and a sealed pull stud must be inserted. To use form AD (central coolant supply) the two headless screws must remain in the collar and a pull stud with coolant hole must be inserted. 255