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Precision Angle Testing Prism 36 Sides Regular Polyhedron Prism

Polyhedral Prism
June 17, 2025
Category Connection: Polyhedral Prism
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Tags:
#regular polyhedron prism #angle measuring prism #metal regular polyhedron
Brief: Discover the GCr15 Steel 7 Sides Regular Polyhedron Prism, a high-precision angle measurement standard instrument with a polished surface finish. Ideal for verifying indexing errors in circular indexing instruments, this prism ensures accuracy in machining and precision measurement.
Related Product Features:
  • Made from GCr15 high-carbon chromium bearing steel for durability and high hardness.
  • Features a polished surface finish with surface roughness Ra ≤ 0.025um.
  • Precision working angle deviation of ±1″ for Grade 0 and ±2″ for Grade I.
  • Flatness of working surface ≤ 0.03μm for Grade 0 and ≤ 0.05μm for Grade I.
  • Verticality between working surface and positioning surface ±10″ for Grade 0 and ±15″ for Grade I.
  • Circumscribed circle diameter ranges from Φ80mm to Φ150mm.
  • Used with autocollimators for verifying circular dividing instruments.
  • Available in multiple specifications including 8, 12, 17, 23, 24, and 36 sides.
Faqs:
  • What is the material of the 7 Sides Regular Polyhedron Prism?
    The prism is made of GCr15 high-carbon chromium bearing steel, known for its high hardness, uniform structure, and excellent wear resistance.
  • What are the precision levels available for this prism?
    The prism is available in Grade 0 (Level II) with a working angle deviation of ±1″ and Grade I (Level III) with a deviation of ±2″.
  • How is the prism used in precision measurement?
    The prism is used with autocollimators to verify the indexing error of circular dividing instruments, ensuring accuracy in machining and measurement processes.
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