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Spiral (Welded Formed Product, U-Type)

スパイラー / Spring net (Official website)

Stainless steel welded formed spiral. Handles outer diameters of 90 to 240 mm.

Last verified: (date the content was verified against the source document)

Specifications

Material SUS304
Outer diameter D 90〜240 mm
Plate thickness t 3.0 mm
Standard length 1500 mm
Unit price 63800〜83050 円

スパイラー model comparison

Compare 8 models in the same series by specification.

Model Outer diameter D Material Inner diameter Plate thickness t Standard length Unit price
スパイラー（溶接成形品・B型） 90〜425 mm SPHC — 4.5〜6.0 mm 1500〜2000 mm 30800〜95450 円
スパイラー（溶接成形品・U型） This product 90〜240 mm SUS304 — 3.0 mm 1500 mm 63800〜83050 円
スパイラー（連続成形品・G型ステンレス） 50〜75 mm Stainless steel 20 mm 1.5〜2.0 mm 1500 mm 40000 円
スパイラー（連続成形品・G型鋼板） 97〜250 mm SS400 (6.0t), SPCC (2.3t, 3.2t) — 2.3〜6.0 mm 1500 mm 18500〜35500 円
スパイラー（連続成形品・L型） 123〜314 mm SPCC — 3.2 mm 1500 mm 18000〜25500 円
スパイラー（連続成形品・M型） 13〜17 mm SUS304 6.0〜8.0 mm 1.0 mm 1000 mm 3800 円
スパイラー（連続成形品・S型SPCC） 48〜95 mm SPCC — 1.6 mm 1000 mm 4800〜7900 円
スパイラー（連続成形品・S型チタン） 48〜74 mm TP340 (Titanium) — 2 mm 250〜550 mm 16800〜21600 円

How to choose Springs

Points to check when selecting, with the values for this product (Spiral (Welded Formed Product, U-Type)).

  1. 1. Select the Spring Rate from the Required Force

    The spring rate k is the load required to deflect the spring by 1 mm. Multiply it by the deflection at installation and at operation to confirm that the required force can be obtained. Listed products range widely from 0.007 to 9.91 N/mm, and a margin should be allowed for variation, including the spring rate tolerance (for example, ±10%).

  2. 2. Keep Within the Maximum Load and Deflection Limits

    Using the spring beyond its maximum load or maximum deflection causes set (permanent deformation) or breakage. Confirm that the load at the maximum point of the operating stroke is within the maximum load, and for compression springs, that the solid height is not reached.

  3. 3. Installation Space, Outside Diameter, and Free Length

    This product: Outer diameter D 90〜240 mm

    Check that the outside diameter fits the hole or housing, and that the inside diameter does not interfere with the shaft it passes over (applicable shaft diameter). The free length is the length under no load; the difference from the installed length is the initial deflection. Because the coil diameter changes under load, allow sufficient clearance.

  4. 4. Select a Material Suited to the Operating Environment

    This product: Material SUS304

    Piano wire SWP-A has high strength but is prone to rust, and many versions are supplied with rust-preventive oil treatment. For humid environments or environments subject to washing, stainless steel such as SUS304-WPB is a candidate. For strongly corrosive environments such as seawater, titanium is a candidate.

  5. 5. Extension Springs: Initial Tension and Hook Shape

    Close-wound extension springs have initial tension, the load required before the spring begins to extend. For applications requiring movement with a small force, check the initial tension value. Also check that the hook shape, such as reverse loop, 90-degree, or 180-degree, matches how the mating part is engaged.

  6. 6. Torsion Springs: Angle and Arm Direction

    For torsion springs, check the torque at the operating angle (torsion spring rate × angle) and the arm length. The winding direction should match the direction of twist, and it is common to use the spring in the direction that winds it up. For free-size products, also specify the bending direction.

This guide was written by AI based on the listed products' documents and specification items.

About Springs and all products

Description

Continuous winding with weld joints at every pitch. Price is for the blade only.

Features

  • Continuous winding with weld joints

Applications

  • Conveying

FAQ

Q. What are the material and outer diameter range of the Spiral (Welded Formed Product, U-Type)?
A. The material is SUS304 and the outer diameter D is 90 to 240 mm.
Q. What are the plate thickness and standard length of the Spiral (Welded Formed Product, U-Type)?
A. The plate thickness t is 3.0 mm and the standard length is 1500 mm.
Q. What is the structure of the Spiral (Welded Formed Product, U-Type), and what is its application?
A. It is a welded formed product with continuous winding and weld joints at every pitch, and it is used for conveying. It is made of stainless steel.

Written by AI based on the content of the source documents.

Source documents

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