Bronze casting parts are widely used in machinery manufacturing, construction, automobiles, ships and other industrial sectors. At present, the commonly used bronze castings are tin bronze, manganese bronze, aluminum bronze and lead bronze, etc. These bronze castings generally have high mechanical properties, corrosion resistance, wear resistance and so on. We can also add aluminum, iron, nickel, manganese and other elements to the bronze material to improve the corrosion resistance, heat resistance and strength of bronze castings. There are also difficulties in the casting process of bronze, which is mainly reflected in the wide crystallization temperature range of bronze, mushy solidification, poor fluidity, difficulty in feeding, dendritic segregation and scattered shrinkage holes, and it is difficult to obtain a dense Investment Casting Parts. SCZY has a unique way of dealing with these difficulties, which can achieve better results.
In addition to the production of investment castings, SCZY also provides follow-up secondary CNC machining and other follow-up services.
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1, the water bath thermostat oscillator heating is normal, the oscillation speed becomes slower.
Solution: Open the side panel of the control cabinet, turn on the power, set the temperature control to 0 degrees (that is, no heating state), turn on the oscillation switch, adjust the speed to the highest, and find the two adjustable resistances on the speed control board. Adjust the right side counterclockwise to solve.
2, the water bath thermostat oscillator does not heat, oscillation is normal.
Solution: First determine whether the heating pipe is damaged. If it is damaged, it needs to be replaced. Then it is judged whether the temperature control part is damaged, and if it is damaged, it needs to be replaced.
3, water bath thermostat oscillator heating normal, oscillation can not work.
Solution: Open the side panel of the control cabinet, turn on the power, set the temperature control to 0 degrees (that is, no heating state), turn on the oscillation switch, adjust the speed to the highest, and use the multimeter to exchange 250 files to measure whether the transformer has 220V voltage input If it is not, then the switch is broken. Conversely, if there is no 12V voltage output (with AC 50V), then the transformer is bad if it is not available. Do not replace the transformer easily. In this case, there is usually a short circuit fault in the rectified part of the circuit board or the motor. (In this case, the appearance of the transformer is charred.) To eliminate the above situation, replace it. 12V voltage is normal, check whether there is DC 12 voltage (DC 50V file), if not, the rectifier bridge is disconnected and replaced. If yes, check whether the voltage is output to the motor (5-8V or so). If the motor is bad, or if the instrument is not used for a long time, the mechanical part will rust. If it is not, the high power tube in the control board will be damaged. The above method can basically solve the problem of no oscillation.
Water bath thermostat oscillator common fault solution
Water bath thermostat oscillator is our very common experimental instrument, its operation is very simple, easy to use, but often encounter some problems in use, let me give you some points in the work often encountered several problems How to deal with it.