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The versatile design of ER collet chucks provides a wide range of machining options. Simply select the right ER collet and ER nut combination from our range.
○Taper BT30,BT40,BT50
○Hardness: HRC52-58
○Balanced G6.3 15000rpm or G2.5 25000rpm
○Material :40Cr or 20CrMnTi
A BT ER Collet Chuck is a type of tool holder used in machining centers, typically for milling operations. It consists of a collet chuck body that is designed to accept ER collets, which are used to hold various types of cutting tools, such as drills, end mills, reamers, and taps.
The BT in BT ER Collet Chuck stands for "Berg Taper," which is a standardized spindle taper commonly used in Japan. The taper is cone-shaped, with a metric thread for easy mounting and removal. ER refers to the type of collet used, which is a spring collet that can be tightened around the shank of a tool for a secure, concentric grip.
BT ER Collet Chucks are commonly used in high-speed machining applications where accuracy, rigidity, and efficient tool changes are important. They are suitable for use with various types of machining centers, including horizontal and vertical milling machines.
When using a BT ER Collet Chuck, it's essential to ensure that the spindle, collet, and cutting tool are clean and free from damage, as any contamination or imperfection can affect accuracy and performance. It's also essential to use the correct torque and tightening sequence when installing the collet and cutting tool to ensure proper clamping force and concentricity.
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