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Couplings

The Anti-Vibration Coupling with High Rigidity

High rigidity disk couplings with vibration absorption function.

Jul. 31. 2020

Advancements in Servomotor Coupling Technology

Various flexible coupling types have been developed based on application demands.

Jul. 31. 2020

Steel

This page describes "Steels" such as SS400, SPCC, SPHC, SUJ2 and FC200.

May. 10. 2016

Plastic and Rubber

This page describes "Plastics and Rubbers" such as ABS, FRP, polycarbonate, polypropylene, silicone rubber and butyl rubber.

May. 10. 2016

Surface Treatment

This page describes "Surface Treatments" such as thermal spraying, induction hardening, nitriding, electroplating, chemical conversion treatment and anodic oxidation.

May. 10. 2016

Aluminum Alloy

This page describes "Aluminum Alloys" such as A5052, A2017, A6063 and A7075.

May. 10. 2016

Stainless Steel

This page describes "Stainless Steels" such as SUS304, SUS316, SUS430, SUS316L, SUS303, SUS440C and SUS403.

May. 10. 2016

Comparison Table of Material

This page describes "Comparison table of material".

May. 10. 2016

System of Limits and Fits

This page describes JIS B 0401 "System of limits and fits".

Jun. 18. 2015

Geometrical Tolerancing

This page describes JIS B 0021 "Geometrical tolerancing−Tolerancing of form, orientation, location and run-out".

Jun. 18. 2015

General Tolerances

This page describes JIS B 0405 / JIS B 0419 "General tolerances".

Jun. 18. 2015

Second Moment of Area, Section Modulus, and Turning Radius of Cross Section

This page describes "Cross Section's Area Second Moment, Section Modulus, Rotation Radius".

Jun. 18. 2015

Deviations of Shafts to be Used in Commonly Used Fits

This page describes JIS B 0401 "Deviations of shafts to be used in commonly used fits".

Jun. 18. 2015

GD²

This page describes the moment of inertia "GD2".

Jun. 18. 2015

Conversion Table of Hardness

This page describes SAE J 417 "Conversion Table of Hardness".

Jun. 18. 2015

ISO General Purpose Metric Screw Threads

This page describes JIS B 0205-2/4 / JIS B 0205 (old standard) / JIS B 0207 (old standard) "General purpose metric screw threads".

About Couplings

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

Special specifications

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Screw combination service

Solving common issues with Food Machinery（Food Packaging Machine）

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Select the best screws for your needs

No. 7: SEMI Standards

No. 6: Thermal Cycling

Property of Special Material Screws

Hexalobular Internal Driving Feature for Bolts and Screws

Plastic Screw Property

The Anti-Vibration Coupling with High Rigidity

Advancements in Servomotor Coupling Technology

Hints for correctly using NBK products: Quick Positioning Brackets

Auto-Positioning Units Frequently Asked Questions (FAQ)

Hints for correctly using NBK products: Retractable revolving grip

Hints for correctly using NBK products: Set Collars

Hints for correctly using NBK products: Captive Series (relief-cut thread)

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

Procedure of Selection

About Couplings

Solving common issues with Food Machinery（Food Packaging Machine）

Use the NBK Captive Screw Series to be comply with CE

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

Solving common issues with Food Machinery（Food Packaging Machine）

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Use the NBK Captive Screw Series to be comply with CE

What are Captive Screws? Introduction of the NBK Captive Series

No. 7: SEMI Standards

Machining marks must be prevented 【Energy-saving / reduced work-hours】

Improvement points for FA Devices【Control Design】

Solving common issues with Machine Tools（Machining Center）

Improvement points for FA Devices【Unit Design】

Screws must be protected from chemicals 【Energy-saving / reduced work-hours】

About Couplings

Collaboration Webinar: The Best Solutions for Shortening a Positioning Time by Using NBK's Couplings and SANYO DENKI's Servo Motors

The Optimized Coupling ”XG Family"（Teaser ver.）

Raising/lowering shaft vibration must be suppressed 【Improved Productivity】

Webinar: How can we speed up and reduce the cost of the Motion Control System with Shaft Couplings?

Small Diameter Screws: M0.6 (S0.6) to M2.6 Lineup

What are low profile screws? Find advantages, disadvantages, and usage examples explained here!

What are clamp levers? Here we explain the characteristics and usage methods that help streamline screw tightening!

No. ９: Increasing Throughput

No. 6: Thermal Cycling

Flexus【Muilti-Functional Machined Slotted Springs】

NBK SPECIAL SCREWS

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

Collaboration Webinar: The Best Solutions for Shortening a Positioning Time by Using NBK's Couplings and SANYO DENKI's Servo Motors

The Optimized Coupling ”XG Family"（Teaser ver.）

Webinar: How can we speed up and reduce the cost of the Motion Control System with Shaft Couplings?

About Couplings

What are Hex Socket Head Cap Screws (cap bolts)?

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Select the best screws for your needs

All you need to know about the roles and types of washers!

About Couplings

What are Hex Socket Head Cap Screws (cap bolts)?

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Select the best screws for your needs

No. 8: Preventing Part Fall-out

Vol.1　Thinking about "Galling and Seizing"

Vol.2　Explaining the Vocabulary of Screws

Vol.3　Functional Screw Surface Treatments Are Not Just for Corrosion Resistance

Vol.4　What are washers used for?

Vol.5　Varieties of SUS Screws