Power

Hammer Application

Freudenberg–NOK Sealing Technologies has been involved in the This is where the power industry’s innovation partner of choice, power tools market for decades and understands what really drives the Freudenberg–NOK Sealing Technologies, comes to the table with industry. The demand for ever-increasing tool power, combined with applied expertise. Freudenberg helps its customers to gain a lower weight and size, increased lifetime, and lower costs along a competitive edge by providing customized, industry-leading, special globalized supply chain, all pose major challenges to the entire industry. solutions for all key power tools applications.

Dust Cap Damping Elements Striker Seals Striker Scrappers Mechanism Original design with Provide a long life span Constant contact Prevents axial move- Seals several scrapper edges under harsh operating pressure through two ment of scrapper in the Reliable sealing with and impact cams conditions due to components seals hold grove giving extra up to 80% reduction in prevent damage. innovative materials. in lubricants and keep protection against dirt. friction compared to extremities out. O-rings.

Dust Cap Damping Striker striker Hammer Hammer E element Seal sCrapper mechanism & mechanism Damping element seals Power Tools

Features and Benefits

Dust Cap Damping Striker striker Hammer Hammer E element Seal sCrapper mechanism & mechanism Damping element seals

Dust Caps Damping Elements Striker Seals Striker Scrappers Hammer Mechanism Seals Reliable seat on Special forms and HNBR O-rings support Several scraper edges the tool holder with compounds available sealing against lubrica- protect against dust FEA-optimized T-ring separation of wiper to suit applications tion and outside dust, etc. design (HNBR or FKM) Lubrication reservoir function and protec- (e.g., 70 to 90 Shore A) Two sharp seal edges between edges for No radial sealing tion of the retaining Best-in-class HNBR on the outside longer life compression in ring allows for one- and polyurethane cross-section or two-piece designs Lubrication reservoir Easy mounting versions for high speed, between seal edges for No radial swimming velocity, frequency Notches prevent dust FEA optimized longer life in groove means very effectiveness intrusion at gap low friction Different compounds High velocity, speed-up, and special scraper lip Special design of seal Less vibration and and frequency (~60 Hz) Very little “Monday forms available and groove provides for force gives longer work capabilities morning” effect periods and increases automatic centering Easy to assemble tool life Main = 130°C/ FEA-optimized design Less load on seal (Poka Yoke) short = 150°C provides energy saving Easy to assemble and long life

View the video, “Freudenberg Sealing Technolo- gies—Sealing Solutions for Hammer and Demolition ” for a detailed presentation of application capabilities: http://youtu.be/uayo9ZfzpU0

The information contained herein is believed to be reliable, but no representation, guarantees or warranties of any kind are made to its accuracy or suitability for any purpose. The information presented herein is based on laboratory testing and does not necessarily indicate end product performance. Full scale testing and end product performance are the responsibility of the user. www.fnst.com