Method of drilling intersecting holes.
When diamond wire saw cutting, the surrounding surface has horizontal, vertical, and inclined surface in special cases. The diamond wire saw can only be cut through the intersection hole. When sawing the vertical cutting surface, it is necessary to drill the intersection of two vertical holes. When sawing the horizontal cutting surface, it is necessary to drill the intersection of two horizontal holes and one vertical hole and three holes.
The sequence of intersection hole drilling is related to its number and depth. Usually horizontal holes are drilled before vertical holes are drilled. This is because horizontal holes are slow and difficult to locate. Vertical holes are relatively easy to drill and if the holes do not meet, the cost and difficulty of redrilling vertical holes are low. Or drill a deep hole first, then a shallow hole, because if you need to drill a shallow hole, the cost and difficulty of drilling a shallow hole is less and less. If three holes are drilled together, the shallowest hole should be selected as the last hole, no matter whether the last hole is vertical or horizontal, also to reduce the cost and difficulty of filling holes.
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