It is the process of deep hole drilling which unlike gundrilling leaves the core of the material intact and eligible for reuse.
Trepanning sheet metal.
A small diameter hole is drilled in center for drilling large diameter hole.
Circle cutter trepanning tools.
Instead of chipping away useful metal we leave a solid core which can be reused for other applications thereby producing significant cost savings.
Trepanning is the process for making large holes in sheet metal.
Air powered sheet metal cutters for thin metal also known a scissor blade shears the bottom blade remains stationary while the upper blade moves up and down to cut metal up to 1 64 thick with minimal material loss and edge distortion.
Trepanning our precision trepanning equipment are designed to drill deep holes in a way that keeps metal wastage to the bare minimum.
Holes up to a diameter of 350 mm can be cut by this arrangement.
The pilot of trepanning tool is fitted into this hole and the length of the adjustable arm is set to the radius of the hole to be cut.
Circle cutter trepanning tools 23 items returned list catalog refine results 23 items returned compare 1 3 4 to 7 7 8 cutting diam circle cutter tool.