ROLL-TO-ROLL (R2R) CONVERTING & FLEXIBLE ELECTRONICS

Roll-to-Roll Rotary Die-Cutting & Flexible Circuit Calculator

Compute cylinder repeat circumference distortion scaling, blade bevel geometries (60°/75°/90°), cavity air-ejection clearances, and web tension elongation for flexible printed circuits (FPC) and label converting.

1. Magnetic Cylinder & Repeat Sizing

Standard 15-inch / 120-tooth repeat cylinder = 381.0 mm.

2. Web Substrate & Blade Profile

Target finished component length in web direction.

Rotary Die Vector Pre-Distortion Output

Cylinder Stretch Factor
99.04 %
CAM scale in feed direction
Pre-Distorted Length
49.52 mm
Compensated CAD vector length
Min Cavity Ejection Gap
1.20 mm
Foam / air pin clearance
Blade Tip Height (h)
0.48 mm
Etched relief depth

Rotary CAM Toolpath Transformation:

L_CAM = 50.00 × 0.9904 = 49.52 mm (-0.48 mm compensation)

Pre-Compensated Rotary Vector Artwork

SpotItLive applies exact pitch-gear stretch formulas and kiss-cut / through-cut layer tags for magnetic cylinder tooling manufacturers.

Order Rotary Vector Pack (29 DKK)