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Information × Registration Number 0200U001517, 0198U001963 , R & D reports Title To investigate and to test for efficiency and stability of activity over-chisel at drilling of slits chisels in diameter 215,9 mm popup.stage_title Head Svitalka P.I., Registration Date 17-10-2000 Organization Research institute of technology of drilling popup.description2 Over-chise increases mechanical speed of drilling in 1,09-2.56 times, cutting on chisel in 1,19-2,80 times in intervals of drilling from 2151m up to 14962m. The mean stability over-chisel 258,5 hours, and efficiency over-chisel makes 37214 grvn. Product Description popup.authors popup.nrat_date 2020-04-03 Close
R & D report
To investigate and to test for efficiency and stability of activity over-chisel at drilling of slits chisels in diameter 215,9 mm
Head: Svitalka P.I.. To investigate and to test for efficiency and stability of activity over-chisel at drilling of slits chisels in diameter 215,9 mm. (popup.stage: ). Research institute of technology of drilling. № 0200U001517
1 documents found

Updated: 2026-03-23


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