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Process: Drilling, Deep Hole

Overview

 

Deep hole drilling is a method which is used to drill holes with a high ratio between the holes' depth and diameter.
It is not about the depth of the hole, but the correlation to the diameter. Sandvik Coromant's definition of deep hole drilling is when the depth is 10 to 150 times greater than the diameter.

Deep hole drilling is generally a good method of drilling holes, but it requires a skilled operator and good equipment. Advanced systems monitor the process and measure the drill's force, torque, acoustics and vibrations. The drill breaks easily if something goes wrong, and it may even damage the component. In addition, the tolerances are affected if drilling incorrectly. The cooling is also a bigger issue compared to conventional drilling.

Deep hole drills are quite uncommon in workshops. However, some that do large components have deep hole drills.
 

 

Post project to suppliers with Drilling, Deep Hole capabilities

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Drilling, Deep Hole projects for quote

Machining-Drilling, Deep Hole

This manufacturer of industrial valves and instruments, who spends £40,000 per year on all outsourced services, seeks a supplier who holds ISO 9000 to assist with the deep hole drilling and chamfering of the attached valve spindle.

Machining-Drilling, Deep Hole

This industrial heating company that subcontracts machining work to the tune of £100,000 a year, is seeking assistance from a supplier who is able to carry out drilling up to 500mm depth on free issue aluminium extrusions, needed for the production of prototype heaters.