摘要:The latest requests for transport are based on cost, energy and material saving and also a very important request is an environmentally friendly transport system. One of these systems is presented by pipe conveyor and its modification - variable pipe conveyor. The paper presents the results of the part of a realized case study which includes the design of a variable pipe conveyor and associated calculations for the design of material conveying. The paper presents the selected part of the calculation, namely calculation of tensions in the conveyor belt, the spacing of idler rollers and solution of the dump.