Boring Tools, Balancing Accessories and More

The CKN modular connection for large boring tools features a three-screw interface designed to provide high clamping forces for maximum torque transmission.

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The CKN modular connection for large boring tools features a three-screw interface designed to provide high clamping forces for maximum torque transmission. The system uses both steel and aluminum components to offer weight reductions of as much as 50 percent. This allows for better machine performance, easier handling and eliminates manual tool changes in many instances, the company says.

Balancing accessories from the company achieve fine balancing quality on the 112 Series EWN precision boring heads. Balance rings and radial adjustable holders allow compensation for imbalance in tool assemblies for the range of 0.078” to 2.125” diameter. The balance rings work with standard boring bar components for diameters as large as 0.394” and are attached at the front end of the boring head. For diameters as large as 2.125”, the radial adjustable holders are also required to keep the boring head cartridge and boring bar close to the center position while the adjustable insert holder is used for coarse diameter adjustment.

Also available is the company’s holder for synchronous tapping, the Mega Synchro. The tapping holder compensates for synchronization error during rigid tapping by reducing the thrust load to both the tap and workpiece by as much as 90 percent, the company says. While improving thread quality and tap life, the error compensation is facilitated through a mechanism that absorbs the pitch difference between the tap and synchronous spindle.