Cast Iron Straight Edge
Bridge type straight edge standard JB/T7977-99 manufacturing, material HT250.Face using the process of scraping,be used to measure the straightness and flatness of the workpiece,use temperature(20 plus and minus 5 degrees),for machine tool guide,inspecting precision for workface,geometry measure precision,precision component measurement,scraping processing technology and so on.Is the benchmark of precision measurement.
Product name:Bridge Cast Iron Straight Edge
Material:HT250
Precision Grade:0.1.2
Size:500x50mm-5000x110mm
As a manufacturer,we will supply you the most favourable price and top-quality service.Your inquiry is highly appreciated.Welcome to order.
Type(mm) | Flatness & straightness of measuring surface | ||
Precision Grade (µm) | |||
0 | 1 | 2 | |
500×50 | 3 | 6 | 12 |
750×50 | 4 | 8 | 15 |
1000×50 | 10 | 20 | |
1500×70 | 15 | 30 | |
2000×80 | 18 | 36 | |
2500×90 | 22 | 44 | |
3000×100 | 52 | ||
3500×100 | 60 | ||
4000×100 | 68 | ||
5000×110 | 84 | ||
