Backing bearings are particularly thick outer ring of the rolling bearing, when used to form a group to be mounted on the shaft of a stationary support rollers. Pressure on the work roll through the intermediate roller and the support roller is passed to the system to the rack through the saddle. Generally used for multi-roll cold rolling mill equipment can also be used for other occasions, such as straightening machine.
2013年8月19日星期一
Germany Sincotec frequency fatigue testing machine Machine Descriptions and working environment
High-frequency fatigue testing machine is widely used to test a variety of metal materials and metal products, resist fatigue fracture properties, S - N, - and the curve, testing and pre-fracture toughness specimens (eg, JIC, etc.) fatigue cracks; matching the different clamps or environmental testing apparatus, is widely used to test a variety of materials and components (such as plates, gears, crankshaft, bolts, chains, linkages, compact tension etc.) of the fatigue life, to be completed symmetrical fatigue test, asymmetric fatigue test, one-way pulsating fatigue test, fatigue test block spectrum, modulation control fatigue test, high temperature fatigue test, three-point tapered bearing four-point bending, torsion fatigue test a wide variety of.
Frequency fatigue testing machine various types of fatigue testing machine, the structure is simple, no maintenance of the hydraulic source and a valve, pump or cooling system, easy to operate, high efficiency and low energy consumption, it is widely used in scientific research, aerospace, universities and industrial production and other departments.
Germany Sincotec frequency fatigue testing machine performs the following standards:GB / T 3075 Metal axial fatigue testing
ASTM E 467 Axial Fatigue Test System moderate amplitude dynamic force calibration method
ASTM E 739 fatigue data stress - life and strain - life linear or linear statistical analysis
ASTM E 1942 for cyclic fatigue and fracture mechanics testing guidelines calculation data acquisition system
GB / T 13816 welded joints pulsating tensile fatigue test methods
GB / T 15111 spot weld shear tensile fatigue test methods
GB / T 6395-2000 Metal fatigue crack growth rate test method
ASTM E606 standard, ASTM E647 standard, ASTM E399 standard,
ISO 12737-2005 Metallic materials plane strain fracture toughness test methods,
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