YAW-15000J microcomputer-controlled electro-hydraulic servo press-shear testing machine adopts oil-cylinder  under-mounted, four-column structure, high rigidity and strength of the frame, small deformation, and meets the testing requirements of highway, railway bridge plate, basin, and spherical bearings, and the test space Stepless adjustable, convenient for dif ferent height test requirements. Adopt self-developed and proprietary multi-channel closed-loop coordinated loading electro-hydraulic servo control system, microcomputer control and coordinate multi-level hydraulic loading, continuous loading smoothly, multi-level test force maintenance, automatic load retention, automatic collection and storage of data, drawing curves, automatic Print the test report, the computer controls the test process in time, displays the test force and test curve, and the operation is simple and reliable.