Incredible DIY Industrial Powder Coating Convection Oven & Tracking system Alloy Wheel Refurbishment

Описание: Jeffrey Henderson | Industrial Powder Coating Convection Oven & Tracking system | Alloy Wheel Refurb


This industrial powder coating convection oven & tracking system was designed to cure mainly alloy wheels up to 21-22”. It is a two-part system that is linked to a powder coating booth for easy application of epoxy/polyester/nylon powder. All other metals and alloys can be placed in the oven if they meet the unit’s internal size. It is the culmination of many years of experience in designing and building projects as seen in my channel.

I initially searched for a professional alloy wheel powder coating service as my alloys were destroyed with a chemical (Tar remover) made in Northern Ireland. Sadly, the wheels came back in a defected state where the service would not stand over their terrible work (Pictures at the end of video). I already had huge experience when using powder coating systems, but I was always limited to oven size.

So, I decided to do the wheels myself, but a typical house oven was too small. From this point I decided to build a temporary oven to get my project car on its wheels again. The issue with this was, when I start something, it must be done to the best of my ability. That meant my car being of the road 5/6 months more than needed. No company I phoned good guarantee the finish I wanted even further afield. This ‘temporary oven’ turned out to be another state-of-the-art DIY project of mines.

The oven can be set to stay on for seconds, weeks or months. The temperature range can also be adjusted in 1-degree increments all the way up to 250 degrees Celsius. Anything higher, I’m not interested as its not required. Once the oven is at the set operating temperature, it is highly efficient due to its thick insulated walls. The system gets much easier on electric once at the pre-set temperate. A clock timer is used to set the cure time. The user can then walk away from the oven, as it stops automatically. This period is alerted by a loud irritating beeping noise (reversing beeper). At this stage the oven holds the fan on for 9 minutes using a long on delay timer keeping the hot air recirculating whilst also cooling the heating elements. (Note: multiple 2 pole 12 dc relays are also used in this circuit.

The system can run for months if you can afford the electric bill. The power output of the heating elements alone is (2 x 5kw) whilst the light bulbs is (2 x 40w). The fan itself is a fraction of that maybe 5w.

The oven is a convection oven where a specially designed motor-shaft/ back deflecting plates circulate the hot air around the oven. The whole insulation wall of the oven is 75mm wide on the 6 sides except the window/ glass obviously. All the parts are handmade and folded requiring no specialise machines or equipment.

The oven is quite heavy due to its physical structure. The tracking system within the oven can easily hold over 200kg due to the supportive bridge/frame. All components of the tracking system are all stainless steel to allow easy cleaning using chemicals to remove cured powder If needed.

The systems frame is built out of mild steel, however the 90percent of the oven uses aluminium and stainless to reduce corrosion in the future. The entire frame is sprayed in a durable enamel paint (colour Kubota orange).

The door is hung on a sturdy/well designed structure frame where no sag or drop exists once opened or even if you hang on it. The handle is also uniquely designed to be different and having creative features. The oven rolls on four small 50mm castors.

The oven is linked to the booth using a unique tracking/runner/pulley system where any awkward items can be slide directly to and from the oven multiple times. An alloy can be slide in and degassed, slide back to the booth for primer coat, then slide back to the oven for half cure, then back to the both for colour base coat, then back to the oven for a half cure, then back to the booth for a final lacquer coat, then to the oven for a full cure (20 minutes). At this stage the wheel is hot, benefitting the adhesion process of thickly coated powders/3 stage (hot flocking).

Please see the (2 part/other system in this video) powder coating spray booth (video before this) that was designed to capture excess powder during application. That project was mainly designed to reduce contamination during powder applications of all my other projects and future projects.

I hope everyone enjoys.

Thank you, Jeffrey