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Couplings

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

Steel

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

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

Geometrical Tolerancing

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

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

International System of Units

This page describes JIS Z 8203 "International System of Units (SI)".

Jun. 18. 2015

Unit Symbols and Volume Fomula

This page describes "Unit Symbol and Volume Calculation".

Jun. 18. 2015

GD²

This page describes the moment of inertia "GD2".

Jun. 18. 2015

General Tolerances

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

Jun. 18. 2015

Key and Their Corresponding Keyways

This page describes JIS B 1301 "Keys and their corresponding keyways".

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".

Jun. 18. 2015

Deviations of Holes to be Used in Commonly Used Fits

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

NEW！Wireless Positioning Units

Four advantages Wireless Positioning Units

The Wireless Positioning Unit dramatically improves setup work

A new generation of disk couplings

The Key to Increased Productivity! Understand the Secret of Reduced Stabilization Time in 2 Minutes

Designs and Examples of What NBK Can Create

Custom made

Special specifications

Customization & Environmental Report

Plungers : Related Information

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Shaft radial load must be suppressed 【Automation / robots / motorization】

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

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Vol. 11 Back to Basics Series! Introducing Various Types of Screws

Vol.4 What are washers used for?

Vol.2 Explaining the Vocabulary of Screws

Titanium Property

Hints for correctly using NBK products: Set Collars

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

Hints for correctly using NBK products: Scale Plate (Half scale)

Only takes two minutes to understand! Wireless Positioning Unit (EPU-100・ EPC-100) Connection/Operating Method

Only takes two minutes to understand!Wireless Positioning Units (EPU-200 EPC-200) Installation/Connection Method

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection

Procedure of Selection (Actuator)

Procedure of Selection

How to Check the Screw Tightening Torque

How to Adjust the Alignment

Shaft Insertion Amount When Assembling the Coupling and Single-axis Actuator

Mounting and Maintenance

Rotation shaft vibration must be suppressed 【Productivity increase】

Servomotor hunting must be suppressed 【Productivity increase】

Screws in places unreachable by hand need to be tightened 【Workability / maintenance】

Stainless steel screws must be prevented from galling / seizing 【Workability / maintenance】

Removing stripped screws 【Workability / maintenance】

Countermeasures for screw loosening are required 【Safety / precautionary measures】

Theft / tampering countermeasures are required 【Safety / precautionary measures】

Improvement points for FA Devices【Drive Design】

Disturbances / vibrations must be suppressed 【Safety / precautionary measures】

Improvement points for FA Devices【Control Design】

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

Screws must be protected from chemicals 【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】

Improvement points for FA Devices【Drive Design】

Improvement points for FA Devices【Control Design】

Solving common issues with Medical Equipment（CT scan / MRI）

Solving common issues with Machine Tools（Machining Center）

Solving common issues with Medical Equipment（Biochemical Analyzer）

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

350% instantaneous maximum torque needs to be handled 【Compact / lightweight】

Improvement points for FA Devices【Control Design】

Improved coupling insulation properties are required 【Compact / lightweight】

NBK SPECIAL SCREWS

Designs and Examples of What NBK Can Create

Custom made

Special specifications

Customization & Environmental Report

Improved reproducibility of the main column / reference position is required 【High rigidity / high accuracy】

Solving common issues with Machine Tools（Machining Center）

Stable speed control of the raising / lowering shaft is required 【High rigidity / high accuracy】

Solving common issues with Semiconductor Manufacturing Equipment（Post-Process）

Improvement points for FA Devices【Unit Design】

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Shaft radial load must be suppressed 【Automation / robots / motorization】

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

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Shaft radial load must be suppressed 【Automation / robots / motorization】

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

Rotation shaft vibration must be suppressed 【Productivity increase】

Vol.4　What are washers used for?

Vol.2　Explaining the Vocabulary of Screws

Vol. 9　Sudden Bolt "Delayed Fracture"