Are you searching for an economical way to brighten and passivate your stainless steel fasteners, springs or other small parts?
In the early 1990s, Able Electropolishing developed a bulk electropolishing process that was designed specifically to provide a bright and passive surface on stainless steel fasteners. Responding to our customer requests, we were able to add a service that gave the fastener industry an economical means of improving the appearance and corrosion resistance on various fasteners that was superior to standard chemical passivation. Over time, the technology has been expanded to include pins, rivets, springs, wire forms and other stainless steel parts. An alternative to the standard “rack” electropolishing where you have to make electrical contact with each part, “bulk” electropolishing is performed by placing parts in a basket.
When contemplating the use of our bulk electropolishing process versus rack electropolishing it is important to keep in mind the differences.
First of all, the bulk process is designed for parts that don’t have close tolerances. Since we are not making individual contact with each part as with the rack process, you will see a wide range of material removal within each lot. As a result of the material removal variation, you will see a variation in the finish quality as well. In addition, the bulk process works best on parts that are cylindrical and don’t nest. Even though the parts are agitated during processing, parts that nest will shield surfaces and result in areas that are not polished. Lastly, the bulk process is best suited for 300 and 400 series stainless steel.
Bulk electropolishing at Able Electropolishing meets the following industry specifications:
Please contact our sales department to discuss your application. We are always willing to process sample lots at no charge for evaluation. (For bulk electropolishing, please plan on sending a minimum of 250 pieces to sample).
Our tightly controlled quality process and ISO 9001 and ISO 13485 certifications make us the preferred partner for many medical device manufacturers across the globe. From implantable devices to surgical instruments, electropolishing is a single-process treatment that results in biocompatible, safe and ultra clean parts.Learn More
We offer aerospace vendors and original equipment manufacturers our signature metal finishing services to increase fatigue-resistance for their metal parts, rendering them capable of withstanding the stress and corrosion that comes with long-term use. Surface abnormalities lead to part failure, but with electropolishing, parts become more reliable and long lasting.Learn More
Our strict adherence to industry standards ensures that pharmaceutical components are electropolished in accordance with ASTM B912 and ASME BPE specifications. These products are clean and smooth, corrosion resistant and contaminant free.Learn More
Corrosion resistance and microfinish improvement are essential for critical automotive parts, making electropolishing an increasingly beneficial option for automakers. Electropolishing both interior and exterior auto parts ensures they will resist premature failure and function at an optimal level.Learn More
Notable examples of appliance parts we electropolish are 400-series stainless steel alloys used in many consumer appliances. Our metal finishing services help increase corrosion resistance for these parts, and by removing the outermost layer of metal withelectropolishing the durability and longevityof these appliance components is increased.Learn More
We have a long history of working with the food and beverage industry. Electropolishing materials for this industry eliminates the buildup of bacterial biofilms, as well as keeping the equipment free of contaminants like Salmonella. When it comes to food and beverage processing equipment, safety and cleanliness are of the upmost importance and electropolishing delivers the level of sanitation required by a number of regulatory agencies.Learn More
From robotics to heavy mobile equipment, the uses of electropolishing in the hydraulics and pneumatics industry are many. By helping prevent premature part failure, electropolishing reduces the amount of downtime and increases the life cycle of these components. Proper surface finish and cleanliness is key in this industry, and electropolishing attains the finishour customers require.Learn More
Improving conductivity and performance is just one benefit electropolishing offers for electronics parts. The surface finish is improved by as much as 50 percent, removing imperfections from the material without removing a lot of material removal from the component.Learn More
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