SK50 tool holder is a common type of CNC tool holder. SK tool holder belongs to DIN 69871 standard, and SK50 tool holder indicates that its specification is 50, meaning the diameter of the holder is 50mm.
Taper: The use of a 7:24 taper matches the taper hole of the machine tool spindle. The tight fit of the taper surface achieves the connection between the tool holder and the spindle. This taper design makes the installation and removal of the tool holder relatively convenient, while also ensuring a certain degree of connection rigidity and precision.
Flange: The flange is relatively thin, and the thickness of the flange is the same for all specifications. This design reduces the weight of the tool holder to some extent and also helps to improve the high-speed performance of the tool holder.
Keyway: The two keyways are symmetrically deep and milled through, increasing installation flexibility and adaptability to different tools and processing requirements.
High-speed performance: The SK50 tool holder performs excellently in high-speed machining, capable of withstanding higher speeds, generally reaching around 40,000rpm. It is suitable for high-speed light cutting processes, such as mold finishing and small diameter tool machining.
High precision: It has high radial and axial precision, ensuring the positional accuracy of the tool during the machining process, thereby improving the surface quality and dimensional accuracy of the machining, making it suitable for occasions with high machining precision requirements.
Good rigidity: The structural design of the SK50 tool holder grants it good rigidity, effectively transmitting torque and cutting force. This reduces tool vibration and deformation during machining, enhancing processing stability and reliability.
The SK50 tool holder is widely used in mold manufacturing, aerospace, automotive manufacturing, electronics, and other industries. It is often used for machining various metal materials, such as aluminum alloy, stainless steel, titanium alloy, etc., especially suitable for high-speed milling, drilling, tapping, and other machining processes.
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