| 摘要 |
<p>Apparatus and method for spooling strips of photographic web has various secondary drive systems for advancing stations and a main ceramic drive system, cooperating with the secondary drive systems, which includes highly efficient, light weight, durable, and wear and abrasion resistant sliding components. In particular, the chain (24) and the sprockets (14,20) are manufactured using high precision tetragonal zirconia polycrystal (TZP) ceramic or alternatively zirconia-alumina ceramic composite. <IMAGE></p> |
