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Tension testing machine maintenance and maintenance is very important The working status and accuracy of the tensioning machine are directly related to the quality of maintenance. Therefore, we should pay attention to the following points in the daily maintenance of the tenter:
(1) Non-testing machine operators should not start the engine at will to avoid accidents.
(2) During use, it is necessary to study and study the instrument's instruction manual.
(3) The partsTensile testing machine parts should be kept clean, and after cleaning, wipe the unpainted surface with gauze slightly dipped in engine oil to prevent rusting, especially during the rainy season. When not in use, it must be covered with a cloth to prevent dust from entering, especially the rack guide wheel, oil, etc. Pay special attention to dust protection.
(4) During the experiment, no irrelevant objects should be placed on the tractor to avoid personal injury and property damage from vibration.
(5) All parts of the testing machine (such as jaws, pressure head, pendulum, etc.) apply anti-rust oil when not in use and store in a dry place.
(6) Check that the blade on the swivel bar is on the clingen holder is seated and the force measuring piston Whether the tip can be supported in the steel shell, whether the small strap on the force measuring piston can normal.
(7) When oil leaks, check where the oil leaks on the testing machine, whether the screw caps of each part, especially the nuts on the oil pipe connections, can be tightened.
(8) After each experiment, do not let the task piston leave the bottom of the cylinder, the clearance of 20mm is convenient for the next use, and can prevent air from entering the oil circuit.
(9) The oil used in the test machine varies depending on the region and climate, the oil is not enough, add a sufficient amount of oil according to the instructions.
(10) Check the lower jaw lift limit switch and the load overload protection on the force rod Whether the switch is effective
(11) The testing machine should be checked regularly by a technical institute approved by the legal institution annually Check once, must not be used out of date.
