List of Spring products

We provide comprehensive support from design to manufacturing and maintenance!

• Contract manufacturing

It won't break even after 1 million repetitions! A mat switch with reliable operation, high durability, and low price. Suitable for options in machine tools as well. Please consult us about delivery t...

• Sensors

[Reproduction Private Spring Preparatory School Lecture 28] We are explaining using a diagram that shows the carbon content and the proportion of organizational components in steel!

• Spring

[Reprint Private Spring Preparatory School Lecture 27] Explanation of the load and elongation diagram in the tensile test of steel!

• Spring

[Reproduction Private Spring Preparatory School Lecture 26] As the amount of carbon increases, both tensile strength and yield point increase!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 25] The relationship between the transition of cultures such as stone tools, bronze tools, and iron tools and spring materials!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 24] An explanation of the miracle cure for improving fatigue resistance, shot peening, and other important considerations!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 23] Explanation of methods to prevent the decline of fatigue strength and surface treatments aimed at corrosion protection!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 22] Explanation of the relationship between oxides that form on metal surfaces, namely rust, and fatigue strength!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 21] Yielding and fatigue destruction are related not only to the maximum surface stress but also to the stress at a certain depth from the su...

• Spring

Gas reaction is proportional to the piston rod diameter and cylinder diameter! Introducing Hahn's gas springs!

• Pneumatic Equipment
• Spring
• Other machine elements

The longevity of gas springs has been achieved! The production line has not stopped for several years, contributing to increased productivity!

• Pneumatic Equipment
• Spring
• Other machine elements

Providing experienced technology! European craftsmanship to Japanese makers.

• Pneumatic Equipment
• Spring
• Other machine elements

Maintenance-free! Composed of piston rods, pistons, cylinders, and more.

• Pneumatic Equipment
• Spring
• Other machine elements

The piston rod diameter is Φ4mm and made of stainless V2a! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The gas change rate is approximately 17%! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The piston rod diameter is Φ8mm! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The cylinder diameter is Φ23mm! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The piston rod diameter is Φ14mm! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The gas reaction setting range is 300-5000N! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The gas change rate is approximately 43%! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The mounting brackets are made of galvanized steel! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

Due to the small spring constant, a nearly constant spring force can be obtained over a wide range of strokes!

• Pneumatic Equipment
• Spring
• Other machine elements

The gas reaction setting range is 10-100N! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The gas change rate is approximately 20%! Introducing the gas springs handled by our company.

• Pneumatic Equipment
• Spring
• Other machine elements

The gas reaction setting range is 30-450N! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The mounting brackets are made of zinc-plated steel! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The gas reaction setting range is 80-1250N! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The gas change rate is approximately 8%! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The cylinder diameter is Φ40mm! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

The piston rod is made of hard chrome-plated steel! Introducing the gas springs we handle.

• Pneumatic Equipment
• Spring
• Other machine elements

Always necessary to implement in compliance with accident prevention regulations! Introducing technical instructions for gas springs.

• Spring

"Please tell me about the installation angle of the gas spring." Common questions answered.

• Spring

[Reproduction Private Spring Preparatory School Lecture 20] Not only does fatigue strength decrease, but the thickness of the material and wire diameter also decrease: Gama skin, shark skin, and Zenit...

• Spring

[Reproduction of Private Spring Preparatory School Lecture 19] Notches reduce both static strength and fatigue strength! The scary part is the notches that are like bacteria, which are hard to see.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 18] Study of Fatigue Limit Estimation Method! Estimating fatigue limits from tensile strength and hardness test results.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 17] Metals also change when they are fatigued! An explanation of how the results of fatigue tests are organized and utilized in design.

• Spring

[Reprint Private Spring Preparatory School Lecture 16] What is a fatigue test? An explanation of its purposes and how it is conducted.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 15] Explanation of ductile fracture and brittle fracture! Also explains the smooth and rough surfaces of fatigue fracture.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 14] Characteristics of stress on springs! Used under significantly larger static and dynamic stresses.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 13] Explanation of the repeated bending test! It also explains the differences from the repeated bending fatigue test.

• Spring

[Reproduction Private Spring Preparatory School Lecture 12] The hardness of each railway plate spring is measured! Brinell hardness testing machines are installed simultaneously in all factories.

• Spring

[Reissue Private Spring Preparatory School Lecture 11] Explanation of single and double quenching methods! Discussion of new materials and technologies as well.

• Spring

[Reissue Private Spring Preparatory School Lecture 10] About the spring industry during the Showa period! Establishment of various standards and specifications, from JES to JIS.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 9] Explaining the transition of the automotive and aerospace industries! Also discusses war and the spring industry.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 8] Explanation of two new hardness testing machines! Inventions of Rockwell and Vickers.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 7] The Emergence of Automobile Springs, the Great Earthquake, and the Major Advancement of Automobiles! The late Taisho period was an era whe...

• Spring