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What is a Coupling? Explanation of Types and Features

What is a Coupling? Explanation of Types and Features

A coupling is a mechanical component used to connect a drive shaft to a driven part, such as a motor shaft and a ball screw, to transmit torque.

Galling and Seizing

Galling and Seizing

This is a phenomenon that occurs while tightening, where the surface of the screw thread melts or welds due to frictional heat and the screw stops moving. To resolve galling, NBK's special surface treatment screws, such as those with fluorine coating, are recommended.

What are Hex Nuts?

What are Hex Nuts?

Here we offer a clear introduction to hex nuts.

What makes our custom screws special

What makes our custom screws special

The machine parts manufacturer Nabeya Bi-tech Kaisha (NBK) at e-nedzi.com manufactures special screws to the customer's specifications, such as tip machining and surface treatment. Special material screws, resin screws and loosening prevention are also available.

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

Have you ever been surprised by rust suddenly appearing on rust-resistant aluminum?
If this happens, the reduced strength resulting from the corrosion brings fears of possible damage.
This phenomenon is known as "galvanic corrosion". Today, I will explain this principle and how it can be handled.


No. 8: Preventing Part Fall-out

No. 8: Preventing Part Fall-out

Are you struggling with screw or washer fall-out during equipment assembly or maintenance?
Here we introduce products that can be used to prevent part fall-out.

What are Captive Screws? Introduction of the NBK Captive Series

What are Captive Screws? Introduction of the NBK Captive Series

NBK has standardized products for fall prevention of parts in the knob, pull and e-nedzi.com (special screw) categories. Use NBK's Captive Series for food machinery, packaging machinery and chemical manufacturing equipment that require CE Marking compatibility and measures against contamination.

Select the best screws for your needs

Select the best screws for your needs

This page helps to select a Product based on application needs. Vacuum, Low Outgas, Clean, Chemical Resistance, High Strength, Heat Resistance, etc

Surface-mount technology (SMT) line width changeover automation cuts workload by about 130 minutes per month.

Surface-mount technology (SMT) line width changeover automation cuts workload by about 130 minutes per month.

We bring you customer feedback on the handle automation unit they have implemented.

What is a Linear Guide Stopper? Introduction to Types and Features!

What is a Linear Guide Stopper? Introduction to Types and Features!

It is a component used to prevent slip-out, falling, and to act as a stopper in case of uncontrolled movement for linear guideways (linear ways, linear guides, slide rails).

Line adjustment time for different bottle sizes was reduced by about half.<br>Automation Achieved for Over 20 Manual Adjustments.

Line adjustment time for different bottle sizes was reduced by about half.
Automation Achieved for Over 20 Manual Adjustments.

Customer Testimonials on the Implementation of Auto-Positioning Units

Vol.6　Varieties of Screws "Beyond" SUS

Vol.6　Varieties of Screws "Beyond" SUS

Probably most of the screws you use are made of either iron or stainless steel. However, there are also screws made from various other materials that possess very interesting characteristics. Perhaps these may be able to resolve some of your problems that you have encountered with iron and stainless steel screws. Today, Nedzigon is here to introduce you to the different types and features of screws made of special materials.

No. ９: Increasing Throughput

No. ９: Increasing Throughput

Here we introduce products that help improve conveying speed and downsize equipment in order to increase throughput.

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

NBK offers a wide-ranging lineup of small-diameter screws in various shapes and materials.
Various head diameters and heights are available for the same screw diameters, contributing to saving space.

No. 4: Electron beam and ion

No. 4: Electron beam and ion

Semiconductor manufacturing equipment includes equipment using electron beams and ions.
In Part 4, we introduce non-magnetic products that are ideal for use around such electron beams and ions!

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

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

This section introduces countermeasures for the special environments necessary for semiconductor manufacturing equipment (pre-process), and measures to improve productivity.