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Precision Boring Heads Available in Smaller Sizes for Higher Damping Effect

Big Kaiser EWN Smart Damper precision boring heads are now available in diameters 1.260-0.787 in., which shortens the distance from the damping mechanism to the cutting edge.

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EWN Smart Damper precision boring heads.

Photo Credit: Big Kaiser Precision Tooling

Big Kaiser Precision Tooling has released two smaller sizes of the EWN Smart Damper precision boring heads, which eliminate vibration in deep-hole finish boring with a patented damping system. Big Kaiser says this is the first time the EWN Smart Damper has been available in diameters below 1.260 in., down to 0.787 in. The CK1 and CK2 heads have lengths of 3.937 and 4.921 in. respectively.

Big Kaiser’s modular CK/CKB system allows for versatility in the length of tooling combinations, up to a maximum of 10 times diameter and can run on nearly every major spindle interface. All tools are coolant-through and have three different insert holder options per head size. The tried-and-true EWN analog head features a dial with Ø.0005 in./div setting accuracy (0.0001 in. with Vernier). 

Big Kaiser says the integral design of the Smart Damper heads shortens the distance from the damping mechanism to the cutting edge, which is the source of vibration. This produces higher damping effects to the tool assembly to minimize the chatter or vibration, thus achieving better surface finishes and improved metal removal rates.

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