Plating on the surface of the piston ring has always been a more used technology. The high-frequency switching power supply and the stepped thyristor phase-shifting trigger produced by our factory are widely used in electroplating in various industries across the country. Several technical issues are discussed. Points to note.
1 About power factor issues
The SCR phase-shift trigger classifier is a 9-stage $11 type. This rectifier transformer is graded to greatly increase the power factor, and the power factor reaches over 0.93. In 2002, our factory successfully developed the S11 type thyristor constant voltage constant current rectifier KHB3. The no-load current is 1.5A. This type of thyristor constant voltage constant current rectifier KHB3 is characterized by low temperature rise. , Low noise, high power factor, ripple factor of 2%. The high-frequency switching power supply is a power supply made of IGBT ferrite, inverter circuit. As early as 1997, our factory provided a switching power supply for Guangxi Zhonghuan Company with a current of 2500A and a voltage of 0-12V. At the time of actual use, the switching power supply was increased to 2300A. The voltage is 10.5V. At the same time, Guangxi Zhonghuan Company also has 4 ZDDKF-2500A0-12V SCR phase-shift triggers.
The current voltage and switching power supply under the same conditions, in the actual use of nearly 5 hours, the results were clearly found. The high-frequency switching power supply can save 5% electricity compared to 4 sets of 2500A thyristor phase-shifting triggers, but the deposition speed of the switching power supply is slow, and the hardness of the piston ring surface is also not as high as the thyristor phase-shift trigger. The switching power supply hardness is 800-900 HB. . The ZDDKF2500A thyristor phase-shift trigger ring surface hardness of up to 11o0HB. Later, Guangxi Zhonghuan chose ZDDKF with a step-by-step energy-saving thyristor constant-voltage constant-current rectifier KHB3.
Switching power supply and classifying thyristor constant voltage constant current rectifier KHB3 contrast, switching power supply in 2000A12V its total power and SCR phase shift trigger 2000A current is basically the same. The power factor is not much worse, and the power consumption is also equal.
2 Selection and comparison
Under the same conditions, the high-frequency switching power supply saves 5% power compared to the thyristor-class thyristor constant-voltage constant-current rectifier KHB3. However, the power supply deposition rate of the switching power supply is slow, and the surface hardness of the piston ring is also not as high as that of the thyristor phase shift trigger. Domestic authorities recommend the use of thyristor phase-shift triggers. Taiwan's Chuanglin company's piston ring manufacturers also use thyristor phase-shift triggers. German piston ring manufacturers also use thyristor commutated thyristors for constant voltage and constant current. Rectifier KHB3. German experts say that the use of switching power supply plating process is generally used in imitation gold technology, precious metals, watch industry plating. It can be seen that for the piston ring plating, thyristor phase-shift triggers should be used.
3 Using Commutated Thyristor Constant Voltage Constant Current Rectifier KHB3
In order to do a good job on the surface of the piston ring, a commutated thyristor constant voltage constant current rectifier KHB3 should be selected. The operation process is as follows: Initially, the workpiece is placed in the electroplating bath, and the reverse current is used first. In a matter of seconds, with a high-current impact, the impurities on the surface of the piston ring are peeled off. After 15 to 20 seconds of high-current impact, the surface layer quality of the piston ring is improved, and the reverse current is returned to a certain rated value. After a few seconds, the reverse current returns to zero and the forward current is applied after 10-20 seconds through the soft start. This process works well. In power supply rectification, our factory has rich experience and is equipped with various products. We can help users scientific design according to the needs of the industry's production, rational use of rectifier power, make it efficient, energy-saving, economical play a role in production.
1 About power factor issues
The SCR phase-shift trigger classifier is a 9-stage $11 type. This rectifier transformer is graded to greatly increase the power factor, and the power factor reaches over 0.93. In 2002, our factory successfully developed the S11 type thyristor constant voltage constant current rectifier KHB3. The no-load current is 1.5A. This type of thyristor constant voltage constant current rectifier KHB3 is characterized by low temperature rise. , Low noise, high power factor, ripple factor of 2%. The high-frequency switching power supply is a power supply made of IGBT ferrite, inverter circuit. As early as 1997, our factory provided a switching power supply for Guangxi Zhonghuan Company with a current of 2500A and a voltage of 0-12V. At the time of actual use, the switching power supply was increased to 2300A. The voltage is 10.5V. At the same time, Guangxi Zhonghuan Company also has 4 ZDDKF-2500A0-12V SCR phase-shift triggers.
The current voltage and switching power supply under the same conditions, in the actual use of nearly 5 hours, the results were clearly found. The high-frequency switching power supply can save 5% electricity compared to 4 sets of 2500A thyristor phase-shifting triggers, but the deposition speed of the switching power supply is slow, and the hardness of the piston ring surface is also not as high as the thyristor phase-shift trigger. The switching power supply hardness is 800-900 HB. . The ZDDKF2500A thyristor phase-shift trigger ring surface hardness of up to 11o0HB. Later, Guangxi Zhonghuan chose ZDDKF with a step-by-step energy-saving thyristor constant-voltage constant-current rectifier KHB3.
Switching power supply and classifying thyristor constant voltage constant current rectifier KHB3 contrast, switching power supply in 2000A12V its total power and SCR phase shift trigger 2000A current is basically the same. The power factor is not much worse, and the power consumption is also equal.
2 Selection and comparison
Under the same conditions, the high-frequency switching power supply saves 5% power compared to the thyristor-class thyristor constant-voltage constant-current rectifier KHB3. However, the power supply deposition rate of the switching power supply is slow, and the surface hardness of the piston ring is also not as high as that of the thyristor phase shift trigger. Domestic authorities recommend the use of thyristor phase-shift triggers. Taiwan's Chuanglin company's piston ring manufacturers also use thyristor phase-shift triggers. German piston ring manufacturers also use thyristor commutated thyristors for constant voltage and constant current. Rectifier KHB3. German experts say that the use of switching power supply plating process is generally used in imitation gold technology, precious metals, watch industry plating. It can be seen that for the piston ring plating, thyristor phase-shift triggers should be used.
3 Using Commutated Thyristor Constant Voltage Constant Current Rectifier KHB3
In order to do a good job on the surface of the piston ring, a commutated thyristor constant voltage constant current rectifier KHB3 should be selected. The operation process is as follows: Initially, the workpiece is placed in the electroplating bath, and the reverse current is used first. In a matter of seconds, with a high-current impact, the impurities on the surface of the piston ring are peeled off. After 15 to 20 seconds of high-current impact, the surface layer quality of the piston ring is improved, and the reverse current is returned to a certain rated value. After a few seconds, the reverse current returns to zero and the forward current is applied after 10-20 seconds through the soft start. This process works well. In power supply rectification, our factory has rich experience and is equipped with various products. We can help users scientific design according to the needs of the industry's production, rational use of rectifier power, make it efficient, energy-saving, economical play a role in production.
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