Inspection square boxes
Inspection square boxes
Usage: Inspection square boxes are usually suitable for the inspection and marking of machinery parts?? parallelism and verticality. They are usually cubes or cuboids with same side-length.
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Details
Inspection square boxes
Usage: Inspection square boxes are usually suitable for the inspection and marking of machinery parts’ parallelism and verticality. They are usually cubes or cuboids with same side-length.
Material: HT200-300
Standard: JB/T3411.56-99
Specification: 100x100x100-500x500x500mm or customize
Surface: flat, V-slots, T-slots or tapped holes
Hardness of the working surface: HB160-240
Surface treatment: hand-scraped or ground finish
Foundry process: sand casting or centrifugal castings
Molding type: resin sand molding
Painting: primer and face painting
Surface coating: pickling oil and plastic-lined or covered with anticorrosion paint
Working temperature: (20±5)°C
Precision grade: 1-3
Packaging: wooden box
| specification (mm) | Flatness of working surface |
Perpendicularity, parallelism of working surface and parallelism between V-slot with bottom and side |
||||
|---|---|---|---|---|---|---|
| Precision grade (um) | ||||||
| 1 | 2 | 3 | 1 | 2 | 3 | |
| 100*100*100 | 3.5 | 7 | 15 | 7 | 15 | 30 |
| 150*150*150 | 4 | 9 | 17 | 8 | 18 | 35 |
| 200*200*200 | 4.5 | 10 | 20 | 9 | 20 | 40 |
| 250*250*250 | 5 | 11 | 22 | 10 | 22 | 45 |
| 300*300*300 | 5.5 | 12 | 25 | 11 | 25 | 50 |
| 350*350*350 | 6 | 13 | 27 | 12 | 27 | 55 |
| 400*400*400 | 6.5 | 15 | 30 | 13 | 30 | 60 |
| 500*500*500 | 8 | 17 | 35 | 15 | 35 | 70 |
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Address: 168#, Xinhua Street, Jiaohe Town, Botou City, Cangzhou City, Hebei Province, P.R.China.
