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Circular Graduations

Overview

Incremental graduated discs and reticles

Available diameters

  • Ø27 mm
  • Ø42 mm

Material

  • Selected floatglass
  • Coefficient of expansion: (α≈8.5×10-6/K)
  • Glass thickness: 1.0 ±0.1 mm
  • Reticles scribed and broken
  • Length resp. width tolerance: ±0.1 mm
  • Outbreaks on edges: ≤ 0.1 mm

Graduation

  • Sputtered chrome on glass
  • Line width ratio 1 : 1
  • Graduation accuracy: ≤ ±2"
  • Coaxiality graduation to outside diameter: 0.2 mm

Special versions

  • Other glass types
  • Other glass dimensions
  • Antireflective coats
  • Chamfered discs
  • Possible impulses at Ø27 mm:
    4, 9, 10, 15, 20, 25, 30, 40, 50, 60, 90, 100, 120, 125, 150, 160, 180, 200, 235, 250, 300, 314, 318, 360, 400, 500, 600, 625, 635, 720, 900, 1000, 1021, 1024, 1080, 1200, 1250, 1440, 1500, 1800, 2000, 2048, 2500, 3600, 4096, 5000 (other impulses on request)
  • Possible impulses at Ø42 mm:
    50, 60, 100, 120, 125, 127, 150, 180, 200, 216, 240, 250, 254, 256, 300, 314, 360, 400, 500, 512, 600, 625, 720, 750, 768, 800, 810, 900, 1000, 1024, 1200, 1250, 1270, 1280, 1440, 1500, 1800, 2000, 2048, 2400, 2500, 2600, 2700, 3000, 3500, 3600, 4000, 4096, 4302, 4685, 5000, 5400, 6000, 6350, 7200, 8192, 9000, 9144, 10000 (other impulses on request)
Request of Quotation
Contact
Circular Graduations

Downloads

Product Sheets
Graduated Discs Diameter 27 mm
262.98 kb
Graduated Discs Diameter 42 mm
262.72 kb