Gradeall have developed a new 3-pronged solution to dealing with OTR (Off The Road) equipment tyres. The OTR Cutting range.
Identifying that affordable solutions for dealing with scrap OTR tyres such as those fitted to quarry and mining equipment are few and far between Gradeall developed an affordable range of machines for dealing with these tyres.
The 3 machines are
1: OTR Splitter
2: OTR Sidewall Cutter
3: OTR Shear
The current problem is that these huge tyres take up a lot of space and are very heavy at approximately 600Kg per tyre making them take up a lot of space, they are impossible to move by hand and costly to transport due to how few tyres will actually fit on a trailer.
Using the Gradeall OTR cutting range these large tyres can be cut down into easy to manage segments weighing under 25Kg which means they can be lifted and moved around by anyone. These segments can be baled, shredded, sent for pyrolysis or any of the further recycling methods that are available to conventional tyres.
The 3 machines work in sequence to deal with these tyres.
Firstly the tyre is brought to the OTR tyre splitter which cuts the tyre in half along its tread section, at this stage any water or debris inside the tyre will fall out of the tyre. The tyre is now in two halves.
The second stage is to bring the halves of the tyre to the OTR Sidewall cutter, this machine cuts the sidewalls out of the tyres, isolating the bead section ( It is the thick bead section which typically causes the most problems for shredders).
It is possible to cut the sidewalls twice to give a ring of sidewall without any bead and a small sidewall cut close to the bead itself.
The final stage is to use the OTR shear to cut the tyre down into smaller segments, the tread sections first which are the easiest to cut. This is followed by the sidewalls; the shear is sufficiently strong to cut through the bead of these tyres. Even when cut in half they are now much easier to handle.
It is entirely at the discretion of the operator how small to cut the segments of the OTR tyres, sub 25Kg pieces are optimal as this means that they can still be moved easily by hand.
Gradeall has had success in baling these OTR tyres, and in-house testing found that it was possible to deal with 6 OTR tyres per hour. While it is still a labour-intensive process it provides the market with a viable and affordable way to deal with these tyres. Gradeall as with the original sidewall cutter will continue to develop this system with the help of customer feedback to refine the process in order to make it as streamlined as possible.
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