A power supply takes alternating currents voltage and turns it to direct DC voltage, to provide power to the servo drive that transforms that servo motor into a servo loop. A power supply needs to be maintained as any servo electronics like the Fanuc power supply.
The most popular fix-up on a Fanuc power supply is changing the fans. Problems with the fan in the Fanuc power suppliers happen to something harmful such as dust tampers with air flux on the fan and the heat sink. The procedure required to change the fan in a power supply is similar to any other process done to repair a power supply.
When a power supply is shown to a technician to fix it, the first thing they do is test it to discover if something is missing or if the damage is found. Later we put the power supply on what is called the test cart to know if the procedure is going well and test if we can experience the same issues twice.
After applying the test, we release the power supply to wash it in a very clean area to take out all the wastes that might be causing the issue. While washing, we watch by eye the component of the power supply to ensure there are no physical or heat-related issues. As discovering such issues will help the technician a lot later on when fixing the machine. Later, the water is pushed outside the power supply elements.
Then, the released power supply elements are put in an oven to let dry for many hours to ensure all of the water is removed.
After the power supply is taken out of the oven, the expert starts the repair procedure. At that moment, we change the fan in the power supply, which we change with each Fanuc power supply repair. Plus, we will change any elements that might look old or we determined as a problem during the test that the technician did or when applying the washing operation. Usually, electrolytic capacitors are elements determined as a problem and are changed.
And after they fix it, the technician gathers the power supply and takes it to the testing phase. They try to emulate as many machine tasks as possible, including operating a motor with a fixed power supply.
Once the technician is sure that the power supply is okay and succeeded in all the tests, the company will usually package it and send it to you.
We mentioned the AC voltage and the DC voltage. If you do not know the difference between the two terms, we will explain them to you.
Most of us must have heard of the conflict between the most important scholars of the twentieth century Nikola Tesla and Thomas Edison. This struggle over what kind of currents are the most important in the future.
Electricity flows in two forms: alternating current and constant current. Where electricity or current is nothing but the movement of electrons through a conductor (for example, a wire). The difference between alternating and direct current is the direction of electron flow. In the direct current, the electrons flow steadily and in one direction; or forward. In alternating current, the electrons remain in a state of change of direction. Sometimes forward and sometimes backward. Alternating current is the best way to transmit electricity over long distances and at a lower cost than direct current.
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