Bores are sealed with ‘O’ rings' sited in grooves, (figure 1). The ‘O’ rings' are usually of toroidal shape (i.e. circular cross section) and are regulated by BS 1806 and BS 4518. Figure 1. ‘O’ Ring ...
• Clutches typically transfer torque via in-line or parallel shafts. • Most single revolution clutches can stop only about 10% of their load capacity. • The torque capacity of a wrap-spring clutch or ...