角度平尺、燕尾尺 |
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| 按JB/T7977-99标准制造,
材料HT250，工作面采用刮研工艺，用于测量工件的直线度和平面度及导轨的检验和修理，产品分凸、凹两种形式，按角度分为45°、55°、60°、90°、120°。 |
规格
mm |
工作面直线度
或平面度 μm |
两工作面夹角α精度
( ')
|
精度等级 μm |
1 |
2 |
1 |
2 |
凸45°55°60°90°120° ×500 |
6 |
12 |
±1 |
±1.5 |
凹45°55°60°90°120° ×500 |
6 |
12 |
±1 |
±1.5 |
凸45°55°60°90°120°×750 |
8 |
15 |
±1 |
±1.5 |
凹45°55°60°90°120° ×750 |
8 |
15 |
±1 |
±1.5 |
凸45°55°60°90°120° ×1000 |
9 |
18 |
±1 |
±1.5 |
凹45°55°60°90°120° ×1000 |
9 |
18 |
±1 |
±1.5 |
凸45°55°60°90°120° ×1500 |
15 |
30 |
±1 |
±1.5 |
凹45°55°60°90°120° ×1500 |
15 |
30 |
±1 |
±1.5 |
凸45°55°60°90°120° ×2000 |
18 |
36 |
±1 |
±1.5 |
凹45°55°60°90°120° ×2000 |
18 |
36 |
±1 |
±1.5 |
凸45°55°60°90°120° ×3000 |
26 |
52 |
±1 |
±1.5 |
凹45°55°60°90°120° ×3000 |
26 |
52 |
±1 |
±1.5 |
凸45°55°60°90°120° ×4000 |
34 |
68 |
±1 |
±1.5 |
凹45°55°60°90°120° ×4000 |
34 |
68 |
±1 |
±1.5 |
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