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Calcimator

Progressive Die Strip Layout Calculator

Calculate strip width, pitch, station design, and material utilization for progressive die stamping.

Inputs

mm
mm
mm
mm
mm
mm

Results

Strip Width

50 mm

Station Pitch53 mm
Total Die Length397.5 mm
Material Utilization56.6%
Waste43.4%
Parts per 1000 ft Coil5,750
Estimated Strokes/min75 SPM
Parts per Hour4,500
Recommended Coil Width50 mm
How to Use This Calculator
  1. Enter part length (feed direction), part width (across strip), material thickness, and number of stations.
  2. Set pilot hole diameter and minimum strip edge margin.
  3. Review step pitch, strip width, parts per strip, and estimated strip length.
  4. Add one idle station between complex forming stations to allow the strip to stabilize.
  5. Verify strip width fits your press feed capacity and coil width before finalizing the layout.

How the result changes with Part Width (Across Strip)

Part Width (Across Strip)Strip Width
101121 mm
351371 mm
650670 mm
900920 mm

What each input means

Part Length (Feed Direction)
Part dimension in the strip feed direction.
Part Width (Across Strip)
Part dimension perpendicular to feed direction.
Material Thickness
Strip material thickness.
Number of Stations
Number of progressive die stations (pierce, form, blank, etc.).
Pilot Hole Diameter
Diameter of the pilot (registration) holes.
Carrier Strip Width
Width of the carrier strip on each side (holds parts during feed).
Gap Between Parts
Minimum web between adjacent parts in the feed direction.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Part Length (Feed Direction) = 50, Part Width (Across Strip) = 30, Material Thickness = 1, Number of Stations = 6 = 7 input(s) provided
  2. Calculate Strip Width
    Strip Width
    50 = 50
  3. Calculate Station Pitch
    Station Pitch
    53 = 53
  4. Calculate Total Die Length
    Total Die Length
    397.5 = 397.5

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