Characteristics The most popular flexible shaft coupling in Japan that is compliant with JIS B 1452-1991 “Flexible Flanged Shaft Couplings”. Simple structure comprised of a flange and coupling bolts. Easy-to-mount. Bushings can be replaced just by removing coupling bolts. This makes maintenance and service easy. While it absorbs misalignment such as eccentricity and argument, it […]
NBK’s FCL-BUSH flanged shaft coupling
The most popular flexible shaft coupling in Japan that is compliant with JIS B 1452-1991 “Flexible Flanged Shaft Couplings”. Simple structure comprised of a flange and coupling bolts. Easy-to-mount. Bushings can be replaced just by removing coupling bolts. This makes maintenance and service easy. While it absorbs misalignment such as eccentricity and argument, it prevents […]
NBK Flexible Couplings — vibration-absorption capable disk type
The vibration-absorption capable disk type XGHW-C has a dynamic vibration absorber on the high rigidity disk. It enables vibration absorption and use of higher gain levels when compared to regular disk types, thereby also allowing a shorter stabilization time. The vibration absorption function reduces the amount of parameter adjustment work, and lowers the time required […]
Couplings for special environments
NBK provides couplings that can be used in special environments such as clean room, vacuum, high temperature (80 ° C or higher) are available. ● Low particle The amount of attached particle is ultra low. This is directly available in a cleanroom. This does not bring contaminated matters into a cleanroom. ● Vacuum-supported A material […]
XGT2 high-gain rubber type coupling: productivity and stabilization time
High-gain flexible coupling which surpasses XGT-CXGL-CXGS-C in performance. This is a single-piece construction with the two aluminum hubs molded with high-gain rubber. The optimal damping and rigidity design enables realization of even greater servomotor gain, leading to reduced stabilization time. Technical information⇒Productivity and stabilization time Suppressing speed unevenness control during stepping motor operation is effective.⇒Suppressing […]
NBK’s new XGHW-C flexible couplings
This video showcases NBK’s new XGHW-C flexible coupling. These flexible couplings feature vibration absorption function added to high rigidity couplings. Additionally, this coupling has a structure with both high rigidity and vibration absorption. The individual dynamic vibration absorbtion is separate from the inertial rotor and elastic body in order to achieve vibration absorption. NBK […]
NBK coupling and single-axis actuator assembly video
In this video, NBK explains how to assemble the coupling and single-axis actuator. To complete the assembly, NBK lists the following items necessary: Gloves Parts cleaner Waste cloth Single-axis actuator Wrench Torque screwdriver or torque wrench Oil pen Scale Motor Coupling NBK www.nbk1560.com
High gain type coupling from NBK: Video
In this video, we see a single-piece construction coupling with the two aluminum hubs molded and vibration-absorbing rubber. The “XG2” designing with damping and high rigidity helps the coupling meet servomotors’ demanding high gain and its precision positioning requirement. NBK www.nbk1560.com
NBK Flexus line
This is a multi-functional part made of various materials with slits and the portion between the slits works as a spring. It is a simple structure made of various materials with slits and its functionality is demonstrated in a flexible coupling（ MST and MSX ). This protects arbitrary spring properties against compression, tension, shearing, and […]
Damping servomotor couplings — New ways to use flexible couplings to minimize hunting and boost system stability
August 27, 2017 update: The full-length technical feature on this servo-coupling topic of damping and gain setting is now live. New technological improvements in servomotors have spurred dramatic improvements in response frequencies. The catch is that vibration (and hunting) tend to arise when designers apply high gain settings to servo systems and use advanced couplings […]
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