| 摘要 |
<p>Plastics/metal laminated textile thread stretching roller. GG-. Has an annular core made of aluminium, aluminium alloy, copper, brass or steel onto which is bonded an expendable, extruded plastics sleeve. The i. dia of the core is selected such that it is fitted with a press or interference fit on the outer race of a ball bearing and the resultant tensile stress in the core is disposed well below the elastic stress limit of the metal.</p> |
