Rated input voltage: Three-phase AC415V±10% 50Hz Complies with National Power Quality Standards
Output voltage: DC 0～15V adjustment
Output current: DC 0～500A adjustment
Cooling method: Air Cooling
Power supply type: Synchronous rectifier power source
Application Industry: Surface treatment, metal finishing, and precision manufacturing across medical, semiconductor, aerospace, automotive, and high-end hardware sectors.
Electropolishing is an electrochemical method for smoothing metal. You put the part into a special electrolyte and run DC current through it. The high spots on the surface dissolve first, and gradually the whole surface becomes smooth and reflective. There is no grinding, no abrasive belts, no mechanical cutting involved. The electropolishing rectifier is what makes it all happen—it drives the reaction and sets the limit on how good the finish can be.
An electropolishing rectifier is not a standard DC power supply. It is built specifically for this job. The part goes into the electrolyte, and the electropolishing rectifier supplies the current. The microscopic peaks dissolve faster than the rest. Over time, the surface evens out to a mirror finish. But you need clean, stable, low-ripple DC power from the electropolishing rectifier to get there.
» Product Applications
Medical Devices:Orthopedic implants, surgical tools, and catheters all need surfaces that are clean and free of stress. Electropolishing takes burrs off and leaves a passive layer that resists corrosion. A steady rectifier output keeps the results consistent from batch to batch.
Semiconductor and Electronics:Parts like lead frames and vacuum chambers have to be flat at the microscopic level and clean down near atomic scale. That keeps contact resistance low and stops particles from causing problems. These applications are tough on ripple and control precision.
Aerospace and Automotive: Turbine blades, hydraulic spools, and seals get electropolished to remove microcracks and fatigued surface material. That extends their life and improves heat resistance. The rectifier's regulation has a direct effect on how well these parts come out.
High-End Hardware and Decorative Products:Good sanitary ware, cookware, eyewear, and jewelry get a super-mirror finish through electropolishing—Ra ≤ 0.02μm. The process gives them a premium look and surfaces that resist fingerprints and clean up easy.
Application examples of electropolishing rectifiers in Malaysia
» Technical Parameters
Type of characteristics
Parameters
Technical Requirements
Input characteristics
Rated input voltage
3-phase AC415V±10% 50Hz Complies with National Power Quality Standards
Rated input current
AC 12.1A
Rated input power
8.7KVA
Rated input power Ffactor
COSΦ≥0.95
Output characteristics
Output voltage
DC 0～15V adjustment
Output current
DC 0～500A adjustment
Precision of steady current
≤1%
Precision of stable voltage
≤1%
Displayed precision
1A, 0.01V
Rated output power
≥ 91%
Insulation characteristic
Insulation resistance
Input - Output: ≥5MΩ
Input - Cabinet: ≥5MΩ
Output - Cabinet: ≥5MΩ
Protective characteristics
With self-protection function under non-normal cases such as over-voltage, over-current, overload, short circuit and overheating
Other characteristics
Noise
≤50dB
Running state
Continuous full load run of product
Load level
Level II
Insulation grade of the transformer
Grade B
Weight
50kg
*Ok to customize as per requirements*
» How the Electropolishing Rectifier Works
Electropolishing removes material. It is an anodic dissolution process, and the rectifier provides the power.
The workpiece goes into the electrolyte and hooks up to the positive side of the rectifier. A separate electrode goes to the negative side. Turn on the power, and current density is higher at the microscopic peaks. Those peaks dissolve faster. The valleys see lower current density, so they dissolve slower. That difference evens the whole surface out.
You cannot do any of this without stable, low-ripple DC power from the rectifier. That is Liyuan Haina's strong suit. Without a good rectifier, you are not going to get precision results.
» What the Electropolishing Rectifier Does
The rectifier takes care of a few critical things:
Powering the reaction: It converts AC to usable DC and keeps the energy flowing. How well the rectifier does its job determines whether the reaction runs right.
Controlling quality: The operator dials in voltage, current density, and time through the rectifier. That sets how much material comes off and how smooth the surface gets. The process takes off about 3 to 5 microns—enough to clean out embedded particles and oxides. Stable rectifier output keeps that removal amount the same across every part.
Removing stress: Mechanical polishing leaves stress in the surface. Electropolishing does not. It actually takes out stress from earlier operations. That helps part fatigue life, and it only happens because the rectifier gives you precise control.
Keeping batches consistent: When the rectifier stays steady, parts from the same batch all look the same. Gloss does not vary. That drives the yield rate up.
» Features of the Electropolishing Rectifier
High-Precision Output
› Ripple ≤ 3% — eliminates orange-peel and fogging
› Regulation precision ≤ 1% for current and voltage
› Constant-voltage / constant-current modes
› Compatible with stainless, copper, aluminum, titanium
› External sensor inputs for electrolyte level and temperature — automatic power cut and alarm on fault
» How the Electropolishing System Works
AC comes into the rectifier. After rectification and inversion, stable DC comes out. The positive output goes to the workpiece, the negative to the auxiliary electrode. Both sit in the electrolyte, completing the circuit. The rectifier handles conversion and keeps everything regulated.
At the microscopic level, peaks dissolve faster, valleys slower. As the process runs, the surface gets flatter until it reflects. The final result depends on the rectifier's output—lower ripple and tighter precision give you better results.
» Solution
Liyuan will keep up with the world’s latest technology closely, and uphold the concept of providing customers with high-quality power supplies and professional integrated services.
With advanced design and rich experience in rectifier manufacturing, we will provide the best power solutions as well as the most stable and efficient power supply for users both at home and abroad.
» Technical Capability
LIYUAN rectifier is the most competitive brand in China
Company relies on strong technology research and development cooperation basis, created a number of advanced technology, in recent 3 years amounted to more than 30 to apply for a patent, which has nearly 10 patents of invention.
Equipped with the national electric power transformation and control engineering technology research center (branch), and has set up a loan enterprise academician workstation.
Strict implementation of ISO quality management system, and through the CE safety certification, has been implementing ERP management for many years, to achieve the network, systematic computer control, the formation of a standard, efficient modern management system.
» Qualification certification
Liyuan adhere to innovation and the continuous improvement of power conversion efficiency and product quality.
The increasing R&D investment every year, and cooperation with China’s well-known universities, we has established the research center of national electric power conversion and control engineering technology.
Especially the related core patents of high-power synchronous rectifier power supply, stay ahead of the whole industry in China.
The ISO 9001 quality management system has been fully implemented in Liyuan, including quality inspection of components in warehouse, production process inspection, and final product inspection.
We adopt advanced scientific quality management system and the most stringent testing methods in the whole process to ensure the stability and reliability of products.
» Service
› Packing
1.Small size rectifier packing in carton box separately.
2.Large size rectifier will be packed in wooden case.
3.We guarantee that all the packing is intact when it reaches its destination.
› Shipping
1.30-45 Days after payment.
2.Transport: DHL, FEDEX, UPS, Air shipping, Boat shipping
3.You may choose our shipping partner or your own partner.
› Maintenance
We are pleasant to share our theory and experience on equipment maintenance with users.
We are pleasant to interact with users to collect their tips and know-hows on equipment maintenance.
The module “Maintenance” here is intended to help users solve various problems they possibly encounter during equipment maintenance…
If you require an electropolishing rectifier in other specifications, we can customize the design to match your exact needs. Please contact us for more details.
Looking for the factory price of a 500A 15V electropolishing rectifier? Liyuan Haina Rectifier is one of the professional manufacturers and suppliers in this field. With over 27 years of focus on R&D, design, production, sales, and technical services for industrial rectifiers, we have already exported our products to the United States, Canada, Britain, Italy, Spain, South Africa, Russia, the UAE, Japan, South Korea, Malaysia, and other parts of the world. Equipped with a productive factory, we warmly welcome you to purchase our high-quality, Made-in-China products at competitive prices or try our customized service.
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