SU1103961A1 - Spiral single-flute drill - Google Patents

Spiral single-flute drill Download PDF

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Publication number
SU1103961A1
SU1103961A1 SU833638508A SU3638508A SU1103961A1 SU 1103961 A1 SU1103961 A1 SU 1103961A1 SU 833638508 A SU833638508 A SU 833638508A SU 3638508 A SU3638508 A SU 3638508A SU 1103961 A1 SU1103961 A1 SU 1103961A1
Authority
SU
USSR - Soviet Union
Prior art keywords
drill
cutting edge
cutting
edge
spiral
Prior art date
Application number
SU833638508A
Other languages
Russian (ru)
Inventor
Иван Илларионович Семагин
Original Assignee
Semagin Ivan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Semagin Ivan filed Critical Semagin Ivan
Priority to SU833638508A priority Critical patent/SU1103961A1/en
Application granted granted Critical
Publication of SU1103961A1 publication Critical patent/SU1103961A1/en

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Abstract

СПИРАЛЬНОЕ ОДНОКРО.МОЧНОЕ СВЕРЛО, содержащее режущую часть с одноп режущей кромкой и одной спиральной канавкой и двум  направл ющими ленточками , отличающеес  тем, что, с целью повыщени  производительности путем совмещени  центрировани  и сверлени , режуща  часть выполнена с совмещенными в центре сверла режущей кромкой, боковой и задними гран ми, причем бокова  грань на участке длиной 0,1-0,2 d где d - диаметр сверла, расположена под одинаковым углом в плане с режуи1ей кромкой, а оста.тьна  часть боковой грани занижена на 5-8 .A SPIRAL SINGLE-TERMINAL DRILL, containing a cutting part with a single cutting edge and one spiral groove and two guiding ribbons, characterized in that, in order to increase productivity by combining centering and drilling, the cutting part is made with the cutting edge aligned in the center of the drill, and back edges, with the side edge on the section with a length of 0.1-0.2 d where d is the diameter of the drill, is located at the same angle in plan with the cutting edge, and the rest is part of the side edge underestimated by 5-8.

Description

Фиг. 1FIG. one

Claims (1)

СПИРАЛЬНОЕ ОДНОКРОМОЧНОЕ СВЕРЛО, содержащее режущую часть с одной режущей кромкой и одной спиральной канавкой и двумя направляющими ленточками, отличающееся тем, что. с целью повышения производительности путем совмещения центрирования и сверления, режущая часть выполнена с совмещенными в центре сверла режущей кромкой, боковой и задними гранями, причем боковая грань на участке длиной 0,1—0,2 d где d — диаметр сверла, расположена под одинаковым углом в плане с режущей кромкой, а остальная часть боковой грани занижена на 5—8° .SPIRAL SINGLE-EDGE DRILL, containing a cutting part with one cutting edge and one spiral groove and two guide ribbons, characterized in that. in order to increase productivity by combining centering and drilling, the cutting part is made with the cutting edge, side and rear faces aligned in the center of the drill, and the side face in the area 0.1-0.2 d in length where d is the diameter of the drill, is located at the same angle in plan with a cutting edge, and the rest of the side face is underestimated by 5-8 °.
SU833638508A 1983-07-19 1983-07-19 Spiral single-flute drill SU1103961A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU833638508A SU1103961A1 (en) 1983-07-19 1983-07-19 Spiral single-flute drill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU833638508A SU1103961A1 (en) 1983-07-19 1983-07-19 Spiral single-flute drill

Publications (1)

Publication Number Publication Date
SU1103961A1 true SU1103961A1 (en) 1984-07-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU833638508A SU1103961A1 (en) 1983-07-19 1983-07-19 Spiral single-flute drill

Country Status (1)

Country Link
SU (1) SU1103961A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6976812B2 (en) * 2000-11-14 2005-12-20 Mitsubishi Materials Corporation Small drill

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
1. Мещер ков А. И. Твердосплавные резани с внутренсверла одностороннего ним подводом СОЖ дл обработки точны.х отверстий. Руковод щие материалы ВНИИ М., 1973, с. 13, рис. 6 (прототип). *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6976812B2 (en) * 2000-11-14 2005-12-20 Mitsubishi Materials Corporation Small drill

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