ABSTRACT

The bionic non-smooth surface morphologies provide a feasible way to improve the wear resistant performance of the friction pair.

The surface characteristics, such as reducing adhesion and wear resistance, have a great relationship with their non-smooth surface morphologies. The typical non-smooth surface morphologies, including synapses, pits and scales etc., are mainly from natural creatures. Some typical bionic microscopic non-smooth surface morphologies are shown in Figure 1. These bionic surface misconstructions have been successfully applied to

1 INTRODUCTION

As an effective method for soft starting, overload protection as well as multi-driver power balance, Controlled Start Transmission (CST) equipment has been increasingly applied to heavy duty scraper conveyors. The largest type of heavy duty scraper conveyor has reached to 3 ×  1600 kW until now. The Hydro-viscous Drive unit (HDU) is the core component of CST. It consists of multiple sets of friction pairs, which are the decisive factors for the performance and reliability of the equipment.