36 Sides Regular Polyhedron Prism
Technical Indicators
1. Excircle diameter: φ 80-φ 150mm;
2. Prism thickness: 17-20mm;
3. Rotating center aperture: φ25mm; Material: GCr15;
5. Hardness: HRC62-65;
6. Flatness of working face: Grade 0 (Grade II): ≤ 0.03um; Grade 1
(Grade III): ≤ 0.05um; Grade 2 (Grade 4): ≤ 0.1 um; [Customized
class 00 (first class): ≤ 0.02 um;]
7,Flatness of datum plane: Grade 0 (Grade II): ≤ 1um; Grade 1
(Grade III): ≤ 1.5 um; Grade 2 (Grade 4): ≤ 1.5 um; [Customized
Grade 00 (Grade I): ≤ 1um;]
8,Verticality of working surface to datum plane: Grade 0 (Grade
II): ≤ ± 10 ″; Grade 1 (Grade III): ≤ ± 15 ″; Grade 2 (Grade 4): ≤
± 20 ″; [Customized Grade 00 (Grade I): ≤ ± 5 ″;]
9. Surface roughness of working face: Ra ≤ 0.025um;
10. Surface roughness of datum plane: Ra ≤ 0.05 um;
11. Parallelism between the upper surface and the datum plane: 2
um;
12. Working angle deviation: Grade 0 (Grade II): ≤ ± 1 ″; Grade 1
(Grade 3): ≤ ± 2 ″; Grade 2 (Grade 4): ≤ ± 5 ″; [Customized Grade
00 (Grade I): ≤ ± 0.5 ″;]
13. Measurement uncertainty of working angle: Class 0 (Class II): ≤
0.3 ″; Grade 1 (Grade III): ≤ 0.5 ″; Grade 2 (Grade 4): ≤ 1.0 ″;
[Customized level 00 (first class): ≤ 0.2 ″;]
14,Effective working area of working face: circular area with S ≥
φ15mm (or 15mm * 15mm or D15mm);
parameters
Name | Model | Specification | Precision | Manufacturing deviation of working angle | Circumscribed circle diameter | Flatness of working surface | Verticality between working surface and positioning surface | Surface roughness of working surface Ra |
8-sided prism | LT-8 | 8 sides | Level 0 | ±1″ | Φ80mm | 0.03μm | ±10″ | ≤0.025 |
Level I | ±2″ | 0.05μm | ±15″ |
12-sided prism | LT-12 | 12 sides | Level 0 | ±1″ | Φ100mm | 0.03μm | ±10″ | ≤0.025 |
Level I | ±2″ | 0.05μm | ±15″ |
17-sided prism | LT-17 | 17 sides | Level 0 | ±1″ | Φ100mm | 0.03μm | ±10″ | ≤0.025 |
Level I | ±2″ | 0.05μm | ±15″ |
23-sided prism | LT-23 | 23 sides | Level 0 | ±1″ | Φ120mm | 0.03μm | ±10″ | ≤0.025 |
Level I | ±2″ | 0.05μm | ±15″ |
24-sided prism | LT-24 | 24 sides | Level 0 | ±1″ | Φ120mm | 0.03μm | ±10″ | ≤0.025 |
Level I | ±2″ | 0.05μm | ±15″ |
36-sided prism | LT-36 | 36 sides | Level 0 | ±1″ | Φ150mm | 0.03μm | ±10″ | ≤0.025 |
Level I | ±2″ | 0.05μm | ±15″ |
