Plate / Tape
Check that plate caliper plus mounting tape matches the cylinder undercut, so the image prints on the gear pitch line.
Plate / Tape
Pull this from the rack
Cylinder to pullStamped .164 U/C.082" per side (radial)
Recommended tape0.015" (0.38 mm) Cushion Stickyback
Total print package0.082"Runs true to gear pitch
Using 0.020" tape? Pull a .174 U/C cylinder (.087" per side).
Quick reference matrixStandard plate and tape packages and the cylinder each one matches.
0.030" Plate0.76 mm
.090 U/C- Tape
- 0.015" (0.38 mm)
- Total package
- 0.045" rad
0.045" Plate1.14 mm
.120 U/C- Tape
- 0.015" (0.38 mm)
- Total package
- 0.060" rad
0.045" Plate1.14 mm
.130 U/C- Tape
- 0.020" (0.51 mm)
- Total package
- 0.065" rad
0.067" Plate1.70 mm
.164 U/C- Tape
- 0.015" (0.38 mm)
- Total package
- 0.082" rad
0.067" Plate1.70 mm
.174 U/C- Tape
- 0.020" (0.51 mm)
- Total package
- 0.087" rad
Tooling suppliers (RotoMetrics, Wilson, etc.) engrave the diametral undercut on cylinder bearers (e.g., ".164 U/C").
Gear pitch & repeat
Print repeat
12.0000"
- Labels around
- 3
- Actual even gap
- 1.0000"
- Unused repeat
- 2.6250"
- Repeat left after labels at target gap
96T × 0.125" = 12.0000"
Plate distortion
Scale image around cylinder to
96.10%
- Distortion
- 3.90%
- K factor
- 0.3896"
- Assumes .005" backing
K = 2π × (0.067 − 0.005) = 0.3896" · ((10 − K) ÷ 10) × 100