Investigates the realization of DC electrical-closed loading technology and designs the QR512 MT gearbox test bench.
研究了直流电封闭加载技术的实现，设计QR 512系列手动变速箱交检加载试验台。
2
Through comparison, a scheme of "ac generating, DC energy feedback" electr IC clo sed loop transmission loading test bench is suggested and the hardware diagrams and work principle are presented.
By arranging a working bench with guiding rails and a small cart used for loading the molding frame, mechanized production of the new light wall slab can be realized with high efficiency.