What is bright nickel plating used for? . Nickel anode / electrode / sheet metal (8 x 5 cm) for nickel plating solution. Carbon treat solution to reduce foaming or reduce air agitation to minimize foam. And our engineering staff is ready to find the solution to your coating problem, no matter how unique. Your supplier should have given you a data sheet showing concentrations, pH and other operating parameters of the solution. The nickel sulfamate plating experts at Electro-Coatings manage every step in the coating process. Modern It is frequently used in food processing to prevent contamination with iron. Concentrations of 90 to 135 g/L (12 to 18 oz/gal) of nickel metal are used in most cases for high-speed plating, when coupled with very high solution agitation. 1) Check the part, it is roughness or pit. Electroless nickel plating is also known as chemical or autocatalytic nickel plating. Parts to be plated must be clean and free of dirt, corrosion, and defects before plating can begin. An ongoing discussion from 2001 through 2016 . Inspect microporous Nickel and/or chromium and correct. (NOTE: the anodes are NOT in solution when not plating) using nickel S rounds and shot Nickel Plating Problem. A common problem when working with aluminum and aluminum alloys is their tendency to form an oxide that can prevent proper adhesion of the coating. Without warning, the electroplate can begin to show roughness or cloudiness, to say nothing of pitting, adhesion problems, dullness and misses in low-current-density areas. Electroless nickel plating is a process in which a nickel alloy is deposited on a metal surface via chemical reaction. You get 2 dry oz. Total Ni: 85 gr/lt Boric acid: 40 g/lt Nickel chloride:59 gr/lt All the brightener concentrations are at the optimum value. In the early years, platers encountered many problems with electroless nickel because of poor formulations, inferior equipment, misapplications and a general misunderstanding of the process and the deposit. . Metallic contamination (e.g., Cu, Zn, Pb, Cd), 4. Have you experience of this? Are parts properly activated before reaching the nickel station? Stripping plating is much harder than plating. Nickel Plating Problem. These kits make it practical to restore and protect the myriad of smaller parts that are often left unloved during a restoration project because of the expense involved. After burning the lamp for some time we observe the NPS wire has changed in color to slightly bluish tint. DESCRIPTION OF THE ARTICLE. Low-current-density (2-5 asf) plating on corrugated iron cathodes should remove zinc, cadmium, copper, lead and even some organic contaminants. China’s electroplating process is mainly zinc, copper, nickel, chromium plating, with50% of the zinc painting and 30%of copper, chromium and nickel painting, respectively. Overview. Century offers Bright Nickel plating of the highest quality, we have the experience and techniques that allow us to overcome difficult jobs in order to maintain this high quality even where other fail! Remember that too many samples plated in the same test solution may in and of themselves have a purifying effect. Metallic contamination (e.g., Pb, Zn, Cd, Cr+6), 1. Organics can be introduced by improperly cured rack coatings, wetting agents, maskants, lubricating oil on conveyors, buffing compounds, and paint spray drifting from adjacent areas.  2021, The Voice of the Finishing Industry since 1936, Learn What’s Coming for Finishing Technology, Trends in Automotive Manufacturing Knowledge Center, Troubleshooting Powder Coating Issues with SIRE Methodology, How to Reduce Waste for Two-Component Coatings. H 2 O, 11 have been used to prepare nickel coatings, and these costly and hazardous reducing agents usually lead to decreased stability of the plating baths. The process involves dipping the substrate in a water solution containing nickel salt and a phosphorus-containing reducing agent, usually a hypophosphite salt. If that seems to help, verify your results by starting over, with a fresh sample. Contamination of semibright nickel solution with sulfur containing material, 3. Try dummying. In fact, a host of problems are possible such as edge pullback, pitting, roughness, white-out, slow deposition and dullness. It is beyond the scope of this article to delve into all the concentrations, the use of sulfur and low-sulfur deposits for multi-layer nickel plating, etc. The nickel plating kit is essential if you are restoring cars or motorbikes or any tool or machinery component that has been subjected to the elements. 105 W Peddie St, Newark, NJ 07112 | maraplater105@verizon.net To complement the Nickel Plating Primer article in this month’s issue, the web exclusive is a troubleshooting guide for nickel plating. - It can allow you to solder to difficult metals. Q. Hi everybody, We use a bright nickel plating bath with the concentrations below and we have pitting problem in some parts (brass). Our expert, Art Kushner, says yes, you can color stainless steel, but it is not a process that is typically performed in a plating shop. Electroless nickel plating is an immersion-based autocatalytic plating method that, unlike many similar techniques, does not require an electrical current. Lower nickel content (below 75 g/L) requires higher boric acid. Drying of Semibright Nickel solution during part transfer. #plating. Established 1921. It could also be anode polarization (see above). First, nickel plate the cathodes at normal current densities to avoid iron contamination from the dummy cathodes. 2) The cell moves to the nickel position. Taking steps to reduce or eliminate these sources is well worth the effort. Complete the treatment at higher current density. Nickel plating a golf ball using Spa Plating's Nickel Plating Solution. 2001. Q. Dear sir, We are using nickel plated steel wires inside our metal halide lamps. Analyze the bath for presence of copper, cadmium, zinc, lead and other inorganics. 2. Nickel allergy is a condition in which contact with items containing nickel causes an itchy rash and possibly blisters at the site of contact. > Zinc Nickel Plating (Alkaline & Acid) Zinc-Nickel (Zi-Ni) is the go-to, auto-industry solution for corrosion resistance. Nickel plating problem: Rabbitweir: 3: 16/10/19 by George: Crazing and lines in the plating: RobD: 4: 25/06/19 by George: Restoring Motorbike petrol tank: rowan.bradley: 5: 25/09/18 by George: Items being plated coming out black - please help ! Bumpers, rims, exhaust pipes and trims for bikes, cars and motorcycles are submitted to the bright nickel plating process to improve their appearance, corrosion protection and wear resistance. It’s a temptation to search for these problems in the nickel-solution chemistry. Good Luck, Nol4154 The zinc nickel plating kit gives professional results for the DIY enthusiast. With different solutions and multiple applications, it is easy enough to vary the thickness of the metal plating in this way. Hot plating techniques lay nickel at the rate of 10 to 20 μm/h, but produce a coarse-grained porous surface. 2. In any metal finishing operation, the potential for problems will exist. A low pH, below pH 3.5 reduces the cathode efficiency, slows plating rate slightly, but does not change the deposit. Electroless Plating – Unlike electroplating (as the name suggests), electroless plating does not use an electric current. Sometimes a treatment will appear to be helpful because it is removing a combination of impurities and brightener, only to reappear when brightener concentration is re-established. Generally, it is best to maintain an hourly flow rate through the filter media of at least three times the volume of solution in the tank. The bath can contain PTFE. Pits present in either Semibright Nickel or Bright Nickel solutions. High nickel content. The processes, chemicals and equipment, plus control and troubleshooting. I HAVE HAD SEVERAL NICKEEL REVVOLVERS OVER THE YEARS. It’s tempting to rush into analysis for impurities or even into solution treatment, but too often the problem is simply that solution composition is out of whack. Current densi-ties of 43 to 430 A/dm 2 (400 to 4000 A/ft ) have been used. Is it your solution? In fact, a host of problems are possible such as edge pullback, pitting, roughness, white-out, slow deposition and dullness. Electroless Nickel is applied by heating the nickel bath to 195°F, and then immersing the part to be plated into the bath for 15-60 minutes, depending on the desired thickness. It is an additive process in which nickel is deposited on the aluminum product. A common problem when working with aluminum and aluminum alloys is their tendency to form an oxide that can prevent proper adhesion of the coating. Rather than having to treat for removal of impurities, you may reduce the need for treatment by excluding contaminants. With care, and advice where needed, any DIY enthusiast or restorer using one of our kits with the comprehensive instruction manual, can produce quality results. A Closer Look at the Various Processes for Plating on Aluminum . Potential Problems That Can Occur. The nickel sheet electrodes are ideally suited for electroplating purposes. Also, we can only leave the parts in for about 1 to 3 min or they will start to turn black and smoky-looking. Unlike chrome plating, which utilizes electricity as a driver, our nickel plating uses a chemical reduction. The electroformed nickel mold produced by hot plating has about half the toughness of the cold plated electroformed nickel mold. The guide, provided by Plating Process Systems, provides a generic listing of some symptoms encountered with most nickel-plating processes and possible corrective actions… #plating. To an electroless nickel plating solution comprising a water-soluble nickel salt, a reducing agent, and a complexing agent is added a polythionate or dithionite. Inadequate rinsing between Ni and Cr solutions, 1. Nickel plating aluminum is a finishing technique that is applied to aluminum to enhance its properties. Nickel sulfamate is the source of the nickel metal. One frustrating defect is a dull or hazy spot on the plating. Electro nickel plating is a process that uses an electrical current to coat a conductive material, typically made of metal, with a thin layer of nickel. I hung the bezel from a copper wire into the solution and clipped the lead to the wire. Low leveler: 1. A primer on this inexpensive and highly efficient process. I recommend Caswell nickel strippers because they are proven product. Nickel generally tends to have a yellow tinge while chrome tends to bluish. Drying of foam from Semibright Nickel solution. 4. 1. Add STEP Additive to semibright nickel, 3. We have a problem with our acid nickel bath. Williams Ltd. has been supplying a nickel plating service for over 90 years. We utilise a chemical reducing agent (often sodium hydrosphite) to reduce the nickel ions in a metal deposit. Though today’s automobiles don’t feature as much nickel-chromium trim as they once did, bright work is experiencing something of a resurgence, especially on wheels and bumpers of passenger trucks. If you have any worries or problems about working with nickel or its compounds, ask your supervisor or safety representative to discuss them with your employer, or . This layer not only provides a decorative look to the object, but also gives it corrosion and wear resistance. Too much current during exit from Semibright Nickel and/or entry to Bright Nickel solutions. An electrical problem at the nickel station? This happens only in the hottest zone of the lamp. It’s obvious that filtration is a starting point if the problem is plate roughness. Nickel plating of Steel Wire Problems & Solutions. Nickel plating isn’t always free of problems, as every plater knows. Need to know more? The reasons for installing an in-house cold blackening system are many and varied. Solution stratification can occur, resulting in … The surface of plastic tanks, filter pumps, and the like will be rougher, and there are places for deposit growth. Are rinses so contaminated that they allow dragin from cleaning and pretreatment stations to the plating tank? Metallic contamination (e.g., Zn, Cd, Pb), 2. High STEP Additive: 4. All Topics | Latest Posts. If any one of the critical pretreatment chemistries looses its effective strength due to age on the line, poor adhesion of the end deposit can occur. The bags may have become clogged and may be in need of replacement, or nickel anodes may be “hung up,” so that voids beneath the hang-up reduce the anode-to-cathode ratio. Unplug the power source and remove the piece of nickel on the negative side (the really bubbly side if you don't know) and attach whatever you want to plate. When we set the rectifier to the correct amperage for the load, the parts appear to burn. For nickel plating, the electrolyte contains soluble nickel salts along with other constituents which will be discussed in the section on ‘Chemistry of Nickel Plating Solutions.’ When dissolved, the nickel salts dissociate into divalent, positively charged nickel ions (Ni++) … Or might it be something else? Rough surfaces. Just add warm distilled water. To clean and protect the part during the plating process, a combination of heat treating, cleaning, masking, pickling, and etching may be used. Inspection of piping on a regular basis is a good idea. Fe, Al, Si), 3. 2. For nickel plating, the electrolyte contains soluble nickel salts along with other constituents which will be discussed in the section on ‘Chemistry of Nickel Plating Solutions.’ When dissolved, the nickel salts dissociate into divalent, positively charged nickel ions (Ni++) … Inferior appearance. No cyanides. Are the problems occurring on every rack or might some racks be making poor contact? If consistent, insert rinse operation between Semibright and Bright Nickel solutions. Mara Polishing and Plating specializes in finishing metal items including car parts. 4. The nickel sulfamate plating experts at Electro-Coatings manage every step in the coating process. 10% of normal rack current). Lack of agitation of the plating solution can also cause problems. Electroless Nickel Plating (ENP) is the deposit of a nickel-alloy coating by chemical reduction – without the electric current that’s used in electroplating processes. And our engineering staff is ready to find the solution to your coating problem, no matter how unique. This … Electroless nickel deposits are extremely uniform, corrosion and erosion resistant and provide excellent lubricity. We have a problem with our acid nickel bath. Use a nickel anode (small one included) and plate at about 3 volts D.C. With brighteners that will article to shine up with very little buffing Ships dry to avoid spillage. E.C. Low STEP Additive in semibright nickel, 1. Dorsetware provide a range of metal finishing services such as gold electroplating, zinc plating and chrome plating. With the included nickel anode and your battery pack and plastic vat, you will be up and plating in no time! Nickel plating is widely used in electronic components, such as connectors, contacts, microprocessors and integrated circuits, where it helps ensure functionality and reliability. Check the whole line before you decide to tamp… Nickel plating is another popular electroplating service used in the engineering, automobile, and electronics industries.The uses of nickel plating vary depending on the type of nickel. It’s better to look for problems in the equipment and accessories on the plating line before beginning to search for what’s wrong in the nickel plating solution. Effectively Problem Solving an Electroless Nickel Plating Operation Brad Durkin MacDermid, Inc. New Hudson, Michigan Electroless deposition has been commercially viable and successfully utilized since the 1950's. Often you’ll save time and correct the problem without meddling in the nickel solution. Dull and Hazy Deposits in Plating. Search for: in Thread Title in . All of the pretreatment systems listed above have a finite life within a plating line based upon the level and severity of usage as a function of the plating load and condition of plated product. Applying smaller amounts of activated carbon at intervals keeps solution exposed to fresh carbon and minimizes the effects of “channeling” as the filter becomes loaded. Parts are bipolar exiting from Bright Nickel solution, Install live current exit from Bright Nickel (Use approx. Their expertise allows them to maintain quality, cost effectiveness, and precise conformity to your specifications from one component to the next. Bright nickel plating is mostly used for automotive reasons. In general, the metal is valuable for its hardness, lubricity, resistance to wear, and magnetic attributes. We submerge the item in an aqueous solution that contains an agent, which reduces the nickel ions and encourages deposition. Maybe. Reduce current density at these points (consider removal of some anode material at these points), 2. I have nickel plated directly onto steel and there was still a yellowish tinge. Low pH: 2.  2021, The Voice of the Finishing Industry since 1936, Learn What’s Coming for Finishing Technology, Trends in Automotive Manufacturing Knowledge Center, Dialing in Chemistries for a New Washer System, Plating with Zinc-Nickel: Benefits and Challenges, December Issue: Agricultural, Industrial Markets, Wireless Carrier Fleet Provides Modular Overhead Conveyance, Choosing and Troubleshooting Copper Electroplating Processes. It was recently approved by Boeing as a cadmium replacement. One quart of nickel plating solution, ready to plate from the bottle. Filtration of the plating solution removes unwanted solid particles, keeping the solution clear and free of roughness-causing particles. Unlike ... One key problem is that this bath creates a moderate level of tensile stress as deposited onto steel. - It creates a corrosion resistant coating that will protect the base metal from oxidizing and rusting. So use a Hull cell or other methods of qualitative testing. It is normal for pH to rise during operation of a nickel-plating bath, and thus, acid should be added to keep pH within prescribed limits. Copyright © Call 973-242-0800 for a service estimate. Nickel plating is widely used in electronic components, such as connectors, contacts, microprocessors and integrated circuits, where it helps ensure functionality and reliability. Nickel thickness follows the low current density- lowest nickel thickness, etc.. Inaddition, you need to remove all nickel deposit before replating. 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Or hazy spot on the commercial electroplating system we use for our own restoration projects at. The formation of an oxide layer on the surface of plastic tanks, filter and then determine oxidation.