Introducing Couplings Bore and Keyway Additional Modification Service. Coupling bores and keyways can be additionally modified. NBK www.nbk1560.com/en-US
New NBK flexible couplings — slit type — set screw type
NBK www.nbk1560.com/en-US/products/coupling
NBK’s XUT-cross joint type flexible couplings
This is a cross joint type flexible coupling. Slippage of the bush built in the hubs and the pins of the spacer allows eccentricity and angular misalignment to be accepted. The high accuracy fitting of pin and bush allows the extremely small backlash. The load on the shaft generated by misalignment is small and the burden on the […]
NBK’s XGHW-C flexible couplings
Flexible couplings with vibration absorption function added to high rigidity couplings. A structure with both high rigidity and vibration absorption. The individual dynamic vibration absorber*1 is separate from the inertial rotor and elastic body in order to achieve vibration absorption. *1: The mechanism for suppressing resonant vibration phenomena is achieved by connecting the dynamic vibration absorber […]
Coupling stainless steel screw alteration service
Hex socket set screws provided with set screw type couplings and hex socket head cap screws provided with clamping type couplings can be altered to stainless steel. NBK www.nbk1560.com/en-US/
NBK’s Flexus
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 excellent functionality is demonstrated in a flexible coupling( MST and MSX ). This enables arbitrary spring properties against compression, tension, shearing, and […]
What is the key to speeding up the Servo System?
There are many ways to improve productivity in a servo system. For example, there is the possibility that you can shorten the production cycle time if you use a high-performance servo motor and an actuator. What is a chance to bring out the servo system performance? However, there are some points users are overlooking. It is […]
NBK Wireless Positioning Unit “EPU-200” Series model change notice
A model change for the Wireless Positioning Unit “EPU-200” series will occur as follows. The backwards compatible model will be the “EPU-220” series (scheduled for release on June 29, 2021). There will be no change in price, shape, dimensions, or performance as a result of this model change. Customers who have been using the “EPU-200” series can […]
NBK’s anti-vibration coupling with high rigidity
Many types of shaft couplings are used with various production equipment, which requires high productivity. High-torsional stiffness couplings such as Disk type (Pic1) and Bellows type (Pic2) are primarily used in applications that require high positioning accuracy. On the other hand, recently, the speed response frequency of servomotors is increasing (Fig1), the vibration by hunting […]
Flexible clamping Oldham type couplings from NBK
This is the MOM-C, Oldham type flexible coupling from NBK. FCD400 is adopted in the spacer and the coupling is suitable for low-speed and high-torque specification. High-performance grease is applied in the gap between hubs and the spacer in order to prevent sticking. Slippage of hubs and a spacer allows large eccentricity and angular misalignment to be accepted. A […]
Hints for correctly using NBK products
In this video, NBK gives users some tips on how to properly use their products. NBK www.nbk1560.com
NBK announces website renewal
NBK America LLC is revamping its web presence. The company recently stated on its current website, “We hope you are doing well and appreciate your constant business support of NBK America LLC. We are writing to inform you about our website renewal.” In this renewal, the company aims to make the website easier to use and […]
NBK’s COVID-19 update
Due to the Coronavirus, NBK America is closing its office and they will begin working from home. Furthermore, it has announced that it is closing its online shop as well. It currently cannot ship from its Pennsylvania office. However, dropshipping products from Japan is still possible with an extra shipping fee. NBK stated that anyone wishing […]
NBK Bolt Set for FCL / FCLS
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 […]
Servomotor couplings: Stiffness, damping, hunting, and stabilization considerations
Here we address considerations when specifying a servomotor coupling to satisfy servo requirements — ever-evolving specifications that become more demanding all the time. Tetsuya Niwa • Director of product planning and development Kei Yamada • Product Manager — Product planning and development Hiroki Goto • engineering specialist Paulo Castelo • Technical solutions supervisor Edited by […]
MJC-BL jaw-type, flexible coupling from NBK
The MJC-BL is a jaw type flexible coupling. A tight tit enables transmission with zero backlash at low torque. The easy fit allows users to assemble and partition the hub and sleeve smoothly. The coupling’s flexibility allows eccentricity, angular misalignment and twisting vibration to be accepted. It has electrical insulation and a resistance value: Not […]
Basics: What is a clamping screw
Clamping screws are machine elements which use screw thrust for workpiece fixing and positioning. Point contact by the full ball securely fixes the workpiece. Advantages of using Clamping Screws By replacing hex socket head cap screws and hex socket set screws with clamping bolts when clamping (fixing) workpieces, point contact with workpieces can be achieved. […]