- 链条介绍
- 链条参数
双节距加长销链条，带有一端或者两端外伸的销轴，此种型式的销轴称之为D式销轴，是用来安装一些特殊附件用的。
D式销轴可以使用在每一节连接上，或者是用在给定的间隔上。
它们往往是在直径和长度方面为了某些特殊的目的而制造。
| DIN/ISO链号 | ANSI链号 | P | b1 | d2 | L3 | L | Lc |
| mm | mm | mm | mm | mm | mm | ||
| C208A | C2040 | 25.40 | 7.85 | 3.96 | 9.5 | 25.1 | 26.2 |
| C208AL | C2042 | 25.40 | 7.85 | 3.96 | 9.5 | 25.1 | 26.2 |
| C210A | C2050 | 31.75 | 9.40 | 5.08 | 11.9 | 31.3 | 33.1 |
| C210AL | C2052 | 31.75 | 9.40 | 5.08 | 11.9 | 31.3 | 33.1 |
| C212A | C2060 | 38.10 | 12.57 | 5.94 | 14.3 | 38.6 | 40.6 |
| C212AL | C2062 | 38.10 | 12.57 | 5.94 | 14.3 | 38.6 | 40.6 |
| C212AH | C2060H | 38.10 | 12.57 | 5.94 | 14.3 | 42.0 | 43.8 |
| C212AHL | C2062H | 38.10 | 12.57 | 5.94 | 14.3 | 42.0 | 43.8 |
| C216A | C2080 | 50.80 | 15.75 | 7.92 | 19.1 | 50.3 | 53.3 |
| C216AL | C2082 | 50.80 | 15.75 | 7.92 | 19.1 | 50.3 | 53.3 |
| C216AH | C2080H | 50.80 | 15.75 | 7.92 | 19.1 | 53.5 | 55.0 |
| C216AHL | C2082H | 50.80 | 15.75 | 7.92 | 19.1 | 53.5 | 55.0 |
| C220A | C2100 | 63.50 | 18.90 | 9.53 | 23.8 | 61.8 | 66.1 |
| C220AL | C2102 | 63.50 | 18.90 | 9.53 | 23.8 | 61.8 | 66.1 |
| C220AH | C2100H | 63.50 | 18.90 | 9.53 | 23.8 | 65.0 | 68.3 |
| C220AHL | C2102H | 63.50 | 18.90 | 9.53 | 23.8 | 65.0 | 68.3 |
| C224AH | C2120H | 76.20 | 25.22 | 11.10 | 28.6 | 79.6 | 83.6 |
| C224AHL | C2122H | 76.20 | 25.22 | 11.10 | 28.6 | 79.6 | 83.6 |
| C232AH | C2160H | 101.60 | 31.75 | 14.27 | 38.1 | 103.0 | 107.8 |
| C232AHL | C2162H | 101.60 | 31.75 | 14.27 | 38.1 | 103.0 | 107.8 |
