HSK (hollow shank) tool holders are available in different standards: HSK-A, HSK-C, HSK-E & HSK-F. DIN 69871 holders are suitable for both light or heavy machining and have through coolant either supplied through the end of the tool (AD) or through the flange (AD/B). However, some machines are capable of up to 15,000-25,000RPM. Machining centres using DIN 69871 spindles are typically supplied with maximum spindle speeds of 12,000RPM.
DIN 69871 holders are typically found on German, Italian and some American machine tools. They are easy to tell apart from BT MAS holders due to the V-cut out on the tool change flange and thinner flange thickness.
Holders are located in the machine spindle using a pull stud which screws into the base of the holder.
CAPTO TOOL HOLDERS USED ISO
BT MAS holders are suitable for both light or heavy machining and have through coolant supplied either through the end of the tool (AD) or through the flange (AD/B).ĭIN ISO 7388-1 (formerly DIN 69871) SK30, SK40 & SK50 holders feature steep taper designs of 8° 17'50'' +4'' and automatic tool change flange. Machine tools using BT spindles are typically supplied with maximum spindle speeds of 12,000RPM. BT machining centres for around 70% of new machines spindles in the UK. BT MAS is a Japanese standard and is typically found on Korean, Taiwanese, Japanese and some American machining centres is the most popular taper used in the UK. JIS (MAS 403) / JIS B 6339 (BT30/BT40/BT50) holders feature steep taper designs of 8° 17'50'' +4'' and automatic tool change flange. All holders are supported by a vast range of accessories including ER collets, SK collets, hydraulic chuck sleeves, wrenches and pull studs. Supplied by manufacturers including YG-1, Bilz, WTE and Dine.Ĭutwel holds stock of a vast range of tool holder types including ER collet chucks, side-lock arbors / end mill holders, heat shrink chucks and extensions, SK slim chucks, anti-vibration face mill arbors, hydraulic power chucks, morse taper chucks, synchro or tension and compression tap chucks, basic or CNC drill chucks and taper to taper adapters. Tooling is available in a range of balancing ratings from 8,000RPM G6.3 up to 40,000RPM G2.5 as standard, with holders ranging from economical low-cost ranges to ultra-high precision and high torque holders for performance machining.
CAPTO TOOL HOLDERS USED MANUAL
The Cutwel range of spindle nose tooling for CNC machining centres, manual milling machines, radial arm drills and multitasking mill-turn machines includes all main tapers: BT MAS (BT30, BT40, BT50), DIN 69871 (SK40, SK50), DIN 2080 (ISO30, ISO40), Erikson Quick Change (QC30, QC40), Morse Taper, PSC (Polygon taper, compatible with Capto), HSK type A, E & F (HSK32, HSK40, HSK50, HSK63, HSK80 & HSK 100), Dual contact / face and taper contact (DBT30, DBT40, DBT50, DSK40, DSK50), R8 (Bridgeport) and straight shank holders.
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