详细说明
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单口铁按JB/T8047----95 标准制造，I型V型架采用优质工具钢制造，Ⅱ、Ⅲ、Ⅳ型Ⅴ型采用HT200材料，Ⅰ、Ⅱ、Ⅲ、Ⅴ型架一般成对供应，Ⅳ型Ⅴ型架一般成套供应，每套五对。用于精密轴类零件的检测、划线、定位及机械加工中的装夹。
角度（α）分别为60°、72°、90°、108°、120°、单口铁、三口铁成对供应，角度（α）为90°。
| 规格mm | 工作面平面度 | V型槽对底面平行度 | V型槽对侧面平行度 | V型槽对两侧面对称度 | V型槽对端面的垂直度 | 一套V型架对底面的高度差 |
| 精度等级μm |
| 0 | 1 | 2 | 0 | 1 | 2 | 0 | 1 | 2 | 0 | 1 | 2 | 0 | 1 | 2 | 0 | 1 | 2 |
| Ⅰ型 | 35×35×30 | 1 | 2 | 3 | 2.5 | 5 | 10 | 2.5 | 5 | 10 | 5 | 10 | 20 | 5 | 5 | 10 | 4 | 6 | 12 |
| 60×60×50 | 1 | 2 | 3 | 2.5 | 5 | 10 | 2.5 | 5 | 10 | 5 | 10 | 20 | 5 | 5 | 10 | 4 | 6 | 12 |
| 105×105×80 | 1.5 | 3 | 5 | 4 | 8 | 15 | 4 | 8 | 15 | 8 | 16 | 30 | 8 | 8 | 15 | 5 | 10 | 20 |
| 100×150×100 | 1.5 | 3 | 5 | 4 | 8 | 15 | 4 | 8 | 15 | 8 | 16 | 30 | 8 | 8 | 15 | 5 | 10 | 20 |
| Ⅱ型 | 100×100×60 | | | | | 10 | 20 | | 10 | 20 | | 20 | 40 | | | | | 12 | 25 |
| 150×150×80 | | | | | 15 | 25 | | 15 | 25 | | 30 | 50 | | | | | 20 | 30 |
| 200×200×100 | | | | | 15 | 25 | | 15 | 25 | | 30 | 50 | | | | | 20 | 30 |
| 300×300×120 | | | | | 20 | 30 | | 20 | 30 | | 40 | 60 | | | | | 25 | 35 |
| Ⅲ型 | 200×125×100 | 2 | 4 | 6 | 4 | 8 | 15 | 4 | 8 | 15 | 8 | 16 | 30 | 8 | 8 | 15 | 5 | 10 | 20 |
| 300×180×125 | 2.5 | 5 | 8 | 5 | 10 | 20 | 5 | 10 | 20 | 10 | 20 | 40 | 10 | 10 | 20 | 6 | 12 | 25 |
| Ⅳ型 | 40×30×30 | 0.8 | 1.5 | | 2 | 4 | | | | | | | | | | | 3 | 5 | |
| 60×60×60 | 1 | 2 | | 3 | 6 | | | | | | | | | | | 4 | 8 | |
| 100×100×100 | 1.2 | 2.5 | | 4 | 8 | | | | | | | | | | | 10 | | |
| 单口铁 | 100×65×40 | | | | | 10 | 20 | | 10 | 20 | | 20 | 40 | | | | | 12 | 25 |
| 150×85×60 | | | | | 15 | 25 | | 15 | 25 | | 30 | 50 | | | | | 20 | 30 |
| 200×140×100 | | | | | 15 | 25 | | 15 | 25 | | 30 | 50 | | | | | 20 | 30 |
| 250×165×125 | | | | | 18 | 28 | | 18 | 28 | | 35 | 60 | | | | | 25 | 35 |
| 320×200×150 | | | | | 20 | 30 | | 20 | 30 | | 40 | 60 | | | | | 25 | 30 |
| 460×200×180 | | | | | 20 | 30 | | 20 | 30 | | 40 | 60 | | | | | 25 | 30 |
| 800×400×300 | | | | | 25 | 40 | | 25 | 40 | | 50 | 70 | | | | | 30 | 45 |
| 1000×500×400 | | | | | 30 | 50 | | 30 | 50 | | 60 | 80 | | | | | 35 | 55 |
| 三口铁 | 100×50×35 | | | | | 10 | 20 | | 10 | 20 | | 20 | 40 | | | | | 12 | 25 |
| 125×70×45 | | | | | 10 | 20 | | 10 | 20 | | 20 | 40 | | | | | 12 | 25 |
| 160×80×50 | | | | | 15 | 25 | | 15 | 25 | | 30 | 50 | | | | | 20 | 30 |
| 200×100×70 | | | | | 15 | 25 | | 15 | 25 | | 30 | 50 | | | | | 20 | 30 |
| 250×120×100 | | | | | 18 | 28 | | 18 | 28 | | 35 | 60 | | | | | 25 | 35 |
| 300×150×120 | | | | | 20 | 30 | | 20 | 30 | | 40 | 60 | | | | | 25 | 30 |