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What is Electroplating?
Electroplating is the deposition of a metal onto a conductive substrate via electrolysis. This chemical reaction is initiated with a direct electric current in an electrolyte. The cathode (article to be electroplated) is immersed negatively and the anodes are immersed positively. The cathode is placed in the solution and given a negative charge where positively charged ions e.g. Nickel is attracted to the cathode. Metallic deposition on the surface of the cathode takes place. The adhesion between the substrate and the metallic deposit is impeccable. Electroplating has many benefits which include, increased corrosion resistance, scratch resistance, aesthetic appeal and many decorative finishes. Ultimately, electroplating is a relatively inexpensive method to transform desired articles to functional or decorative environments.
Electroplating Racks
Dietsch Tattershall Products have been manufacturing for the
surface finishing industry for over 40 years. We understand
plating process capabilities and our rack
designs maximise plating quality, while simultaneously optimising space utilisation and
loading/unloading efficiencies.
For most electroplating applications, racks are
constructed of copper, brass and stainless steel. They are then
- depending on the application - plastisol coated in order to
protect the plating solutions from contamination and build-up. The
article spacing on the rack is critical to the quality and productivity
of any electroplating process. Determining factors in incorrect article
spacing is in the design of the article itself. Other influencing
factors may include, throwing power of the bath or current density.
Articles to be plated on one side can be placed back-to-back, however,
articles that are to be plated on all sides must be off-set.
For added versatility and economy in all applications
involving zinc, nickel, tin, cadmium, gold or silver, Dietsch Tattershall
Products can design
multi-use frame racks
with easily replaceable
cross-bars that facilitate different parts. With this feature, cross-bars
can be changed quickly and efficiently without replacing the fixture
frame.
Contact Tips
A key element in plating quality is the tip - the contact point between the part and the rack where the most wear and stress occurs. In addition to holding the part securely during the entire process, the contact tips must not only be correctly sized to carry ample current, but also correctly configured so there is no solution carry-over. Dietsch Tattershall Products have designed hundreds of thousands of custom contact tips for products, ranging from auto parts, shopping trolleys to medallions.
A contact tip designed and
manufactured by Dietsch Tattershall Products, is not only durable but will
eliminate the
distortion of parts, reduce shading and minimise
contact marks.
Plastisol Coating
Plastisol coating provides
protection for metals used in corrosive or high-temperature
environments, cushioning, rust protection and an aesthetic covering for
unfinished metals.
Effective surface preparation is
critical in achieving a quality coating application. Dietsch Tattershall
Products thoroughly sandblasts the surface before priming it
with a bonding agent and applying the coating. We can coat - in various
thicknesses - any metal product despite its size or shape.
Refurbished Plating Racks
When a rack is damaged, broken or has reached the end of its service life, it still has value! Dietsch Tattershall Products can rebuild that rack to a new like condition. The end result is a rack equal - or improved - in quality and performance to a new one, as an economical alternative.
Dietsch Tattershall Products Pty Ltd
11 Iraking Avenue Moorebank NSW 2170
Ph: (02) 9602 6755 Fax: (02) 9602 0935
Email: sales@dtpracks.com.au