iron plate performance
cast iron plate material HT200-300,usded to test the perpendicularity and parallelism , and can be used a verfication standard of 90°.
We have standard size in stock, and for special size we can manfacture as your drawings or requirements
iron plate specification
Type(mm) | Perpendicularity between adjacent measuring surface | Flatness and strightness of measuring surface | Flatness and straightness of datum surface | ||||||
Precision Grade(μm) | |||||||||
1 | 2 | 3 | 1 | 2 | 3 | 1 | 2 | 3 | |
200*200 | 8 | 16 | 30 | 4 | 8 | 16 | 6 | 12 | 24 |
300*200 | 10 | 20 | 40 | 5 | 10 | 20 | 8 | 16 | 30 |
300*300 | 10 | 20 | 40 | 5 | 10 | 20 | 8 | 16 | 30 |
400*300 | 12 | 24 | 45 | 6 | 12 | 24 | 10 | 20 | 40 |
400*400 | 12 | 24 | 45 | 6 | 12 | 24 | 10 | 20 | 40 |
500*400 |
| 28 | 50 |
| 14 | 28 |
| 24 | 48 |
500*500 |
| 28 | 50 |
| 14 | 28 |
| 24 | 48 |
800*600 |
| 35 | 60 |
| 18 | 35 |
| 28 | 55 |