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

Tabbed lithium coin battery that can be mounted vertically and directly soldered on a circuit board.

• Lithium-ion battery
• Secondary Cells/Batteries
• Spring

Tabbed lithium coin cell battery that can be mounted horizontally and directly soldered on a PCB

• Secondary Cells/Batteries
• Lithium-ion battery
• Spring

We have a variety of sizes for spring-loaded battery terminals compatible with D, C, AA, and AAA batteries!

• Secondary Cells/Batteries
• Spring
• Lithium-ion battery

Consistent production from part processing to assembly! We have a production system that can accommodate a wide range of needs.

• Processing Contract
• Spring

We specialize in single items and small lots, delivering unique products in collaboration with professionals!

• gear
• Spring
• Other machine elements

We will manufacture heat-resistant and corrosion-resistant springs that can withstand harsh environments with difficult specifications, utilizing our unique know-how accumulated over many years.

• Spring

We will take on the challenge of difficult-to-process special springs used in power generation equipment!

• Spring

Air spring (air actuator)

• Spring

Despite being small, it achieves a large initial load with a small spring constant!

• Spring
• Other machine elements

To device and equipment designers! The selection of difficult gas springs is completed with just three input items!

• Other machine elements
• Spring

[Reprint Private Spring Preparatory School Lecture 63] An explanation of changes in mechanical properties due to re-burning and the effects of time!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 62] By using the press hardening method, it is possible to suppress the amount of distortion!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 61] Explanation of quenching distortion! A method of quenching with less distortion is also explained.

• Spring

Reproduction of Private Spring Preparatory School Lecture 60: Sometimes the spring surface may soften due to grinding heat, leading to breakage!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 59] Explanation of reversion! Also explaining martensite structure and changes in structure.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 58] As the grain size increases, the resistance to impact decreases, and the fatigue strength also diminishes!

• Spring

[Reprint Private Spring Preparatory School Lecture 57] Burn marks can occur due to uneven quenching temperatures, uneven cooling, and the presence of scale!

• Spring

[Reproduction Private Spring Preparatory School Lecture 56] There are also restrictions on the components of special elements! The composition of JIS spring steel is also determined by this.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 55] The harder the quenching, the greater the hardness! It also explains that there are differences in hardenability depending on the type of...

• Spring

[Reproduction of Private Spring Preparatory School Lecture 54] Changes When Hardening is Done! Explanation of Carbon Content and Hardness from Hardening.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 53] Study of heat treatment that creates spring hardness! Explanation of carbon that strengthens steel.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 52] Exploring specific examples of spring stiffness! We will also explain the limitations of using a spring scale.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 51] There are two main methods to give spring strength! Explanation of JIS spring steel.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 50] Studying metal materials for springs! I will explain the types of steel most commonly used for springs.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 49] Fishing rods are similar to springs in that they utilize the elasticity of bamboo, that is, the force of rebound!

• Spring

[Reprint Private Spring Preparatory School Lecture 48] Introducing a short poem consisting of three lines of 5-7-5 syllables, primarily focusing on humor and satire!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 47] The inseparable relationship between bamboo and springs! An explanation of how it utilizes elasticity.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 46] Introducing songs about mainsprings, songs that encourage quality control, and songs related to painting and spring surfaces!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 45] The usable temperatures of various steel wires and JIS related to wire springs are also included in the table!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 44] Shot peening is a surface treatment! Explanation of the final process setting as well.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 43] Fine matte texture on airplane parts! Explanation of shot peening.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 42] Thin wire springs, thick wire springs! An explanation of the issues of end face grinding and shot peening for both.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 41] Low-temperature annealing is commonly referred to as bluing! The blue color is the color of the iron oxide film formed on the surface of ...

• Spring

[Reproduction of Private Spring Preparatory School Lecture 40] Explanation of the changes in mechanical properties due to low-temperature annealing of piano wire and oil-tempered wire!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 39] An explanation of how the tensile strength of spring steel wire significantly affects coiling!

• Spring

[Reproduction Private Spring Preparatory School Lecture 38] Make sure to check that there are differences in price depending on the type of line and the line diameter!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 37] Introduction to unique heat treatments such as patenting, acid pickling, wire drawing, and oil tempering!

• Spring

[Reprint Private Spring Preparatory School Lecture 36] An explanation of the differences between the brothers of spring steel wire and their growth processes!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 35] Introduction to the JIS numbers, symbols, and chemical components (only carbon and manganese content) of three types of wire materials!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 34] Introduction to soft steel wire, hard steel wire, piano wire, and welding rod core wire!

• Spring

[Reprint Private Spring Preparatory School Lecture 33] What you need to be careful about is overheating! An introduction to defects that are likely to occur during heat treatment.

• Spring

[Reproduction of Private Spring Preparatory School Lecture 32] Explanation of the relationship between temperature and elongation when heated slowly and cooled slowly!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 31] Explaining how tempered martensite changes through tempering!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 30] Explaining what happens when the cooling speed from high temperatures is changed!

• Spring

[Reproduction of Private Spring Preparatory School Lecture 29] Pure iron at room temperature undergoes a sudden transformation into gamma iron when the temperature rises to 910 degrees!

• Spring