Details that need to be paid attention to when using the testing machine
Details that need to be paid attention to when using the testing machine
In order to prevent accidents, safety protection devices are installed in the design of the testing machine. Then what problems should we pay attention to when using the testing machine? With this question, let us look at the following content together . 1. If the oil pump suddenly stops working during the test, the load should be removed at this time to reduce the oil pressure, and the oil pump should be restarted after inspection for the test. The oil pump should not be started under high pressure or the cause of the accident should not be checked. 2 、If the electrical appliance fails when the testing machine is working, and the start or stop button does not work, the power should be cut off immediately to stop the testing machine. Third, it is forbidden to operate on the machine without operating the machine. All parts of the testing machine should be frequently Wipe clean, wipe clean without spray paint, wipe it with cotton yarn and a small amount of oil to prevent rust, and pay attention to wiping during the rainy season, and cover with a dust cover when not in use to prevent dust from intruding. Four, each test After the test bench is lowered, the piston does not fall to the bottom of the cylinder, and a little distance is left to facilitate the next use. All valves on the dynamometer should not be opened and placed, so as to prevent dust from entering the interior and affecting the sensitive performance of the measuring mechanism. When the test is suspended. The oil pump motor should be turned off.
Hydraulic universal testing machines have very high accuracy requirements.
The hydraulic system is the power drive mechanism of the tensile testing machine.
The specific application of the electronic universal testing machine in the automobile manufacturing process: The electronic universal testing machine needs to be used for automobile parts.
Wave soldering refers to the molten solder (lead-tin alloy), sprayed by electric pump or electromagnetic pump into the solder wave required by the design, can also be formed by injecting nitrogen into the solder pool, so that it is pre-loaded The printed board of the component realizes the soft soldering of the mechanical and electrical connection between the solder end or the pin of the component and the pad of the printed board through the solder wave.
The frequency converter is a power control equipment that uses frequency conversion technology and microelectronics technology to control AC motors by changing the frequency of the motor's working power supply.
Electronic universal testing machine is a necessary equipment to control the quality of products.
The calibration operation of the electronic universal testing machine is still relatively unfamiliar to friends who use it for the first time.
Selective wave soldering defects and their prevention.
Testing machine, broadly speaking, is an instrument that verifies the quality or performance of a product or material according to the design requirements before it is put into use.
The tensile force is not an accurate value after being measured by the testing machine, and subsequent calculations are required to get the desired value.
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