I need a very precious parameter (length, breadth) for mechanical testing of my composite, so how can I cut my composite sample accurately to carry out the mechanical test (water jet cutting is very costly ).
In general, students/researchers used to cut polymer matrix composites using switch board cutting machine.
You can try this method.
I used a hex-saw once for the same. We can use milling machines if we have them around... Angle grinders can also be used for cutting the composites. If not we can also use a tiles cutting machine or Plywood cutting machines used in hard ware stores. Depending upon thickness one could also use a Rim cutter (paper cutting machine usually found in offices as a stationary)
If you are cutting rectangular specimens with only straight sides, then a circular saw with an abrasive blade and a cooling water supply is probably your cheapest option. With an epoxy matrix, you don't have to worry too much about clogging the abrasive part of the blade. If you keep the feed speed low, and the coolant flow high, you avoid any problems with overheating the matrix material.
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