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Brand:aa
Product detail:
Feature:
1.Manudacturing according to Standard GB/T24760-2009
2.Material:HT200-250
3.Working surface made by scraping or grinding.
4.Used for testing the workpiece straightness and flatness,and equipment installation.
5.Working environment temperature is (20 ± 5) °C
Usage:
a.It is used to test the straightness and flatness of workpiece and equipment installing.
b.straight edges are also used for blue matching during hand scrapping operations&have wide and parallel working surface for application of spirit level.
Specification:200mm-8000mm. ( special specifications can be made as your requirement.)
Made according to standard GB/T24760-2009 ,
working surface made by skiving or precise rubbing.
Working environment temperature is (20 ± 5) °C.
Specification(mm) | Straightness and flatness | Parallelism between working surfaces | |||||
Precision Grade(μm) | |||||||
Grade 0 | Grade 1 | Grade 2 | Grade 0 | Grade 1 | Grade 2 | ||
200 | 2 | 4 | 8 | 3 | 6 | 12 | |
500 | 3 | 6 | 12 | 4 | 8 | 15 | |
750 | 4 | 8 | 15 | 6 | 12 | 25 | |
1000 | 5 | 10 | 20 | 8 | 15 | 30 | |
1500 | - | 15 | 30 | - | 20 | 40 | |
2000 | - | 20 | 40 | - | 25 | 50 | |
2500 | - | 25 | 50 | - | 32 | 65 | |
3000 | - | 30 | 60 | - | 40 | 80 | |
4000 | - | 40 | 80 | - | 50 | 100 | |
5000 | - | 50 | 100 | - | - | 120 | |
6000 | - | - | 120 | - | - | 140 | |
