{"id":2305,"date":"2019-08-20T09:36:08","date_gmt":"2019-08-20T07:36:08","guid":{"rendered":"https:\/\/dev.botek.de\/?page_id=2305"},"modified":"2023-02-17T08:37:42","modified_gmt":"2023-02-17T07:37:42","slug":"gundrilling-process","status":"publish","type":"page","link":"https:\/\/dev.botek.de\/en\/deep-hole-drilling\/gundrilling-process\/","title":{"rendered":"Gundrilling process"},"content":{"rendered":"
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Gundrilling process<\/strong><\/h1>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
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The characteristic of the single flute gundrilling process is that coolant is fed through the coolant hole in the tool and exits along with the chips in the V-shaped groove (flute) on the drill tube from the drilled hole. The coolant also provides lubrication to the drill periphery.<\/p>\n

This is possible if coolant, i.e. deep-hole drilling oil or emulsion (min. 10 \u2013 12% concentration, with additives), is provided in sufficient quantity and pressure.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>

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With drill bushing (deep hole drilling machine)<\/strong><\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>