It is the more important one and the most sophisticated tool.
A diamond wheel has 3 main parts:
-The fasten system on the spindle or a cone
-The wheel body
-The diamond wheel active part
On this diamond wheel drawing you can see the 3 parts:
-White : the hole allowing to fasten the wheel on the glass processing machine
-Grey : the wheel body
-Black : the diamond active part
There are 2 mains diamond wheels type:
-The peripheral wheels ( like on the drawing ). The shape of the diamond wheel gives the shape for the edge on the glass.
These wheels are used to edge, to engrave…
-The cup wheels
These diamond wheels are flat.
They are used to edge ( but for only one shape, flat edge with arises), to bevel..
Cup wheel used to bevel
Differences between peripheral wheels and cup wheels in glass and stone processing
The peripheral wheels
Pencil edge diamond wheel.
For exemple on the drawing it is easy to understand the shape you can obtain on glass or stone ( pencil edge)using this wheel.
45° diamond wheel
The same for this other tool.
The second advantage is the speed.
With peripheral wheels you can process on glass or stone on average 20%faster than with cup wheels.
Firstly the cost, because you have to buy a set of wheels for every edge shape and for every glass or stone thickness.
For exemple to process on granite 3 cm you need minimum ( diamond and polishing) six different wheels.
Secondly a productivity losing. The time need to install the set of wheels on the machines and to adjust i.
The dressing : the wearing is not the same on all the active part of the wheels. So after a certain time the wheel lose its original shape and you have to dress or very often to send to the supplier to dress the wheel. So you have a cost and you must also to have an other set of wheels to be able to work when the wheels are sent to the supplier for this operation.
The quality: The quality is good but not perfect because you can see lines on the edge
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with a glass or stone machines secondhand list ( around 200 machines )