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Tension Springs(Material:Hard Steel Wire)

Tension springs are springs used for applications that receive a tensile load. Close-wound springs are the standard type since they save space and make effective use of initial tension. Tension springs have a load-receiving hook on both ends. Some models designed for specific applications have plates with holes in them instead of hooks. Tension springs are typically made of materials such as hard drawn steel wire, spring steel, piano wire and stainless steel wire. Different materials are recommended for each tension spring application, so the application and operating environment should be considered when choosing the spring material. For example, general-purpose springs are made from materials such as hard drawn steel wire and piano wire, while heat-resistant springs are made from materials such as stainless steel wire.
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  • You can add up to 6 items per a category to the compare list.
    Tension Spring With Plate

    Tension Spring With Plate

    SAMINI

    Total 9 types of tension springs.
    [Features]
    · A tension spring and a mounting bracket are incorporated.
    · The maximum load is at the time of maximum expansion of the spring. The actual range of use is therefore more restricted.
    · Hook is on the plate.
    · The coil is pitch wound.
    [Applications]
    · Ideal for tension springs.
    From: ฿ 1,613.47
    Days to Ship: day to ship 3 Day(s)
    day to ship 3 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Extension Spring E Series
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Extension Spring E Series【1-3 Pieces Per Package】

    SHINSEI HATSUJHO

    Standard extension spring produced with its unique thorough quality control and technology.
    [Features]
    · Similar to the compression spring, used often for precision machines, home appliances and spring for chairs.
    · In particular, the initial tension control, which requires quality, strives to design and manufacture to maintain appropriate load conditions and durability.
    [Usage]
    · Applies to repairs and works of daily commodities and toys.
    · Can be processed and used as needed.
    · For trial of machine parts.
    From: ฿ 74.78
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Sale
    Extension Spring R Series
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Extension Spring R Series【1-2 Pieces Per Package】

    SHINSEI HATSUJHO

    Standard extension spring produced with its unique thorough quality control and technology.
    [Features]
    · Similar to the compression spring, used often for precision machines, home appliances and spring for chairs.
    · In particular, the initial tension control, which requires quality, strives to design and manufacture to maintain appropriate load conditions and durability.
    [Usage]
    · Applies to repairs and works of daily commodities and toys.
    · Can be processed and used as needed.
    · For trial of machine parts.
    From: ฿ 66.90
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
  • You can add up to 6 items per a category to the compare list.
    Pull Spring

    Pull Spring

    WAKISANGYO

    For electrical appliances, toys, plastic models, mobiles and craft projects.

    *Caution*
    · Do not subject the product to an excessive load.
    · Do not use this product for any purpose other than its intended purpose.
    · Stop using this product if it breaks or loses its shape.
    From: ฿ 134.49
    Days to Ship: day to ship 31 Day(s)
    day to ship 31 Day(s)
  • You can add up to 6 items per a category to the compare list.
    Sale
    Extension Spring BT Series
    Until 31/03/2025

    Sale
    Until 31/03/2025

    Extension Spring BT Series

    SHINSEI HATSUJHO

    Standard extension spring produced with its unique thorough quality control and technology.
    [Features]
    · Similar to the compression spring, used often for precision machines, home appliances and spring for chairs.
    · In particular, the initial tension control, which requires quality, strives to design and manufacture to maintain appropriate load conditions and durability.
    [Usage]
    · Applies to repairs and works of daily commodities and toys.
    · Can be processed and used as needed.
    · For trial of machine parts.
    From: ฿ 276.07
    Special Price
    Days to Ship: day to ship Same day
    day to ship Same day
Brand
Product Series
From
Days to Ship
Free Length Lf(mm)
Coil Outer Dia. OD(Ø)
Allowable Load (Configurable Range)(N)
Wire Dia. d(Ø)
Material
Length L2 at Allowable Load(mm)
Hook Opposing Angle
Spring Constant k(N/mm)
Type
Allowable Load P2(N)
Initial Tension Pi(N)
Total Number of Winding N
Max. Deflection(mm)
You can add up to 6 items per a category to the compare list.
Tension Spring With Plate
You can add up to 6 items per a category to the compare list.
Sale
Extension Spring E Series
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Sale
Extension Spring R Series
Until 31/03/2025
You can add up to 6 items per a category to the compare list.
Pull Spring
You can add up to 6 items per a category to the compare list.
Sale
Extension Spring BT Series
Until 31/03/2025
Brand

SAMINI

SHINSEI HATSUJHO

SHINSEI HATSUJHO

WAKISANGYO

SHINSEI HATSUJHO

Product Series

Tension Spring With Plate

Extension Spring E Series【1-3 Pieces Per Package】

Extension Spring R Series【1-2 Pieces Per Package】

Pull Spring

Extension Spring BT Series

From

฿ 1,613.47

฿ 74.78

Special Price

On Sale Until 31/03/2025

฿ 66.90

Special Price

On Sale Until 31/03/2025

฿ 134.49

฿ 276.07

Special Price

On Sale Until 31/03/2025

Days to Ship 3 Day(s) Same day Same day 31 Day(s) Same day
Free Length Lf(mm)235 ~ 52129.1 ~ 138.630 ~ 140150117 ~ 260
Coil Outer Dia. OD(Ø)32 ~ 485 ~ 209 ~ 271520 ~ 35
Allowable Load (Configurable Range)(N)110.01~----
Wire Dia. d(Ø)4 ~ 60.5 ~ 21.2 ~ 422.6 ~ 4
MaterialHard Steel WireHard Steel WireHard Steel WireHard Steel WireHard Steel Wire
Length L2 at Allowable Load(mm)-----
Hook Opposing Angle-180° (Standard)180° (Standard)180° (Standard)180° (Standard)
Spring Constant k(N/mm)2.84 ~ 8.53----
Type-Standard TypeStandard TypeStandard TypeStandard Type
Allowable Load P2(N)352 ~ 725----
Initial Tension Pi(N)-----
Total Number of Winding N20 ~ 40----
Max. Deflection(mm)62 ~ 170----

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Application example related to this category

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FAQ Tension Springs

Question: For what purpose are tension springs utilized?
Answer: Tension springs are widely utilized in factory automation for various purposes, including maintaining tension and control in conveyor systems, balancing robotic arms for precise movements, ensuring the proper functioning of safety devices, providing force in assembly and packaging equipment, and enabling secure gripping in industrial tools. These springs play a crucial role in ensuring smooth operation, precise movement, and reliable performance in automated systems and equipment used in factory automation processes.
Question: What distinguishes tension springs from torsion springs?
Answer: Tension springs are designed to resist stretching forces, whereas torsion springs resist twisting or rotational forces. Tension springs extend when a force is applied, while torsion springs exert torque when twisted. Their distinct designs enable them to serve different purposes in different mechanical systems.
Question: How do you measure the strength of a tension spring?
Answer: Measuring the strength of a tension spring involves using a force gauge or a load cell. These tools help in gradually applying weights or loads to the suspended spring while measuring its extension. The spring rate, which represents the spring's strength, is calculated by dividing the change in force by the change in length when the spring is extended.
Question: What are the common materials used to make tension springs?
Answer: Tension springs are commonly made from materials like stainless steel, music wire (high-carbon steel), or various alloys. Stainless steel offers corrosion resistance, while music wire provides high strength. Alloy materials offer specific properties like heat resistance or conductivity, depending on the application requirements.
Question: Can a tension spring be adjusted or calibrated for a specific application?
Answer: Yes, tension springs can be adjusted or calibrated for specific applications. By altering factors like the wire diameter, numbers of turns, or length, the spring's characteristics such as force, tension, or extension can be modified. This allows for customization to match the requirements of a particular application. However, adjusting tension springs should be done carefully, considering the intended function and safety considerations.