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Constant force spring - no house

Technical drawing - Constant force springs
This type of constant force spring is made from strips of stainless steel (type 301), and the spring will maintain a constant force over its whole extension. The force differs, depending on whether it is measured on the strip’s outward movement or inward movement. It is recommended that there should be a minimum of 1 1/2 turns of the spring remaining on the mandrel at full extension.
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Items 41-49 of 49

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View prices - Add to Cart Di
Internal diameter (mm)		 De
External diameter (mm)		 Fn
Maximum load at Ln (N)		 t
Material thickness (mm)		 W
Band width (mm)		 S1
Extraction (mm)		 Service life cyclus
(Pcs.)		 hm
Hole for fitting (mm)		 Material SKU Stock Tech Drawing Read More 3D CAD
51.50 57.50 19.50 0.38 31.75 946.00 25,000.00 5.00 Stainless steel 301 CF048-0438 CF048-0438
52.50 57.50 18.30 0.40 25.40 904.00 25,000.00 5.00 Stainless steel 301 CF046-0411 CF046-0411
59.50 63.50 4.98 0.30 20.57 610.00 40,000.00 4.70 Stainless steel 301 CF042-0112 CF042-0112
60.00 73.00 182.00 0.79 50.80 1,161.00 4,000.00 6.70 Stainless steel 301 CF060-4089 CF060-4089
64.00 71.00 26.00 0.50 31.75 1,058.00 25,000.00 5.00 Stainless steel 301 CF055-0584 CF055-0584
69.00 74.00 7.21 0.36 25.40 686.00 40,000.00 4.70 Stainless steel 301 CF048-0162 CF048-0162
82.00 90.00 37.50 0.64 38.00 1,081.00 25,000.00 6.70 Stainless steel 301 CF060-0843 CF060-0843
85.50 93.00 52.30 0.64 50.80 1,083.00 25,000.00 6.70 Stainless steel 301 CF060-1175 CF060-1175
109.00 117.00 64.30 0.79 50.80 1,210.00 25,000.00 6.70 Stainless steel 301 CF070-1445 CF070-1445
  1. CF048-0438
    In stock: 66
    CF048-0438
    Di - Internal diameter (mm) 51.50
    De - External diameter (mm) 57.50
    Fn - Maximum load at Ln (N) 19.50
    t - Material thickness (mm) 0.38
    W - Band width (mm) 31.75
    S1 - Extraction (mm) 946.00
    Service life cyclus - (Pcs.) 25,000.00
    hm - Hole for fitting (mm) 5.00
    Material Stainless steel 301
  2. CF046-0411
    In stock: 36
    CF046-0411
    Di - Internal diameter (mm) 52.50
    De - External diameter (mm) 57.50
    Fn - Maximum load at Ln (N) 18.30
    t - Material thickness (mm) 0.40
    W - Band width (mm) 25.40
    S1 - Extraction (mm) 904.00
    Service life cyclus - (Pcs.) 25,000.00
    hm - Hole for fitting (mm) 5.00
    Material Stainless steel 301
  3. CF042-0112
    In stock: 45
    CF042-0112
    Di - Internal diameter (mm) 59.50
    De - External diameter (mm) 63.50
    Fn - Maximum load at Ln (N) 4.98
    t - Material thickness (mm) 0.30
    W - Band width (mm) 20.57
    S1 - Extraction (mm) 610.00
    Service life cyclus - (Pcs.) 40,000.00
    hm - Hole for fitting (mm) 4.70
    Material Stainless steel 301
  4. CF060-4089
    In stock: 33
    CF060-4089
    Di - Internal diameter (mm) 60.00
    De - External diameter (mm) 73.00
    Fn - Maximum load at Ln (N) 182.00
    t - Material thickness (mm) 0.79
    W - Band width (mm) 50.80
    S1 - Extraction (mm) 1,161.00
    Service life cyclus - (Pcs.) 4,000.00
    hm - Hole for fitting (mm) 6.70
    Material Stainless steel 301
  5. CF055-0584
    In stock: 15
    CF055-0584
    Di - Internal diameter (mm) 64.00
    De - External diameter (mm) 71.00
    Fn - Maximum load at Ln (N) 26.00
    t - Material thickness (mm) 0.50
    W - Band width (mm) 31.75
    S1 - Extraction (mm) 1,058.00
    Service life cyclus - (Pcs.) 25,000.00
    hm - Hole for fitting (mm) 5.00
    Material Stainless steel 301
  6. CF048-0162
    In stock: 25
    CF048-0162
    Di - Internal diameter (mm) 69.00
    De - External diameter (mm) 74.00
    Fn - Maximum load at Ln (N) 7.21
    t - Material thickness (mm) 0.36
    W - Band width (mm) 25.40
    S1 - Extraction (mm) 686.00
    Service life cyclus - (Pcs.) 40,000.00
    hm - Hole for fitting (mm) 4.70
    Material Stainless steel 301
  7. CF060-0843
    In stock: 37
    CF060-0843
    Di - Internal diameter (mm) 82.00
    De - External diameter (mm) 90.00
    Fn - Maximum load at Ln (N) 37.50
    t - Material thickness (mm) 0.64
    W - Band width (mm) 38.00
    S1 - Extraction (mm) 1,081.00
    Service life cyclus - (Pcs.) 25,000.00
    hm - Hole for fitting (mm) 6.70
    Material Stainless steel 301
  8. CF060-1175
    In stock: 13
    CF060-1175
    Di - Internal diameter (mm) 85.50
    De - External diameter (mm) 93.00
    Fn - Maximum load at Ln (N) 52.30
    t - Material thickness (mm) 0.64
    W - Band width (mm) 50.80
    S1 - Extraction (mm) 1,083.00
    Service life cyclus - (Pcs.) 25,000.00
    hm - Hole for fitting (mm) 6.70
    Material Stainless steel 301
  9. CF070-1445
    In stock: 18
    CF070-1445
    Di - Internal diameter (mm) 109.00
    De - External diameter (mm) 117.00
    Fn - Maximum load at Ln (N) 64.30
    t - Material thickness (mm) 0.79
    W - Band width (mm) 50.80
    S1 - Extraction (mm) 1,210.00
    Service life cyclus - (Pcs.) 25,000.00
    hm - Hole for fitting (mm) 6.70
    Material Stainless steel 301
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Material

Stainless band Type 301
Working temperature -200 ºC - +200 ºC

Tolerances

Di internal diameter: +/- 15%
De external diameter: +/- 15%
Fn max force: +/- 20% measured during outward movement.

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