JPS6185307U - - Google Patents

Info

Publication number
JPS6185307U
JPS6185307U JP16842784U JP16842784U JPS6185307U JP S6185307 U JPS6185307 U JP S6185307U JP 16842784 U JP16842784 U JP 16842784U JP 16842784 U JP16842784 U JP 16842784U JP S6185307 U JPS6185307 U JP S6185307U
Authority
JP
Japan
Prior art keywords
steel
around
shank
carburizing
relaxation
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP16842784U
Other languages
Japanese (ja)
Other versions
JPH0243622Y2 (en
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 filed Critical
Priority to JP1984168427U priority Critical patent/JPH0243622Y2/ja
Publication of JPS6185307U publication Critical patent/JPS6185307U/ja
Application granted granted Critical
Publication of JPH0243622Y2 publication Critical patent/JPH0243622Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案のドリルの一実施例の側面図、
第２図はその刃先端面図である。 １…ドリル、２…刃部、３…ねじれ溝、４…切
れ刃、５…マージン部、６…二番取り面、７…チ
ゼルエツジ、８…シヤンク部、９…タング、１０
…首、１１…溶接部。 FIG. 1 is a side view of an embodiment of the drill of the present invention.
FIG. 2 is a front view of the tip of the blade. DESCRIPTION OF SYMBOLS 1... Drill, 2... Blade part, 3... Helix groove, 4... Cutting edge, 5... Margin part, 6... Double chamfer, 7... Chisel edge, 8... Shank part, 9... Tang, 10
...Neck, 11...Welding part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 高速度鋼製の刃部と、構造用合金鋼、構造用炭
素鋼または熱間ダイス鋼製のシヤンク部から成る
モールス・テーパーシヤンク、ドリルにおいて、
高速度鋼棒材を溝切り加工および二番取り加工後
７５０°Ｃ前後の温度で表面Ｃが１．１％前後に
なるような緩和浸炭を施し、ひきつづいて焼入・
焼もどしを施し、溝研摩、ホモ処理後外径研削お
よび刃つけを行ない、２２０°Ｃ前後の大気雰囲
気中で約２時間加熱して黄金色の酸化皮膜を形成
したマージン部およびシヤンク部を有することを
特徴とする緩和浸炭モールス・テーパーシヤンク
ドリル。 In Morse taper shank drills, which consist of a blade made of high-speed steel and a shank made of structural alloy steel, structural carbon steel, or hot die steel,
After grooving and second-cutting high-speed steel bars, they are subjected to relaxation carburizing at a temperature of around 750°C to a surface C of around 1.1%, followed by quenching and
It has margins and shank parts that have been tempered, grooved, homogenized, outer diameter ground and edged, and heated in an air atmosphere around 220°C for about 2 hours to form a golden oxide film. A relaxation carburizing Morse taper shank drill.
JP1984168427U 1984-11-06 1984-11-06 Expired JPH0243622Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984168427U JPH0243622Y2 (en) 1984-11-06 1984-11-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984168427U JPH0243622Y2 (en) 1984-11-06 1984-11-06

Publications (2)

Publication Number Publication Date
JPS6185307U true JPS6185307U (en) 1986-06-05
JPH0243622Y2 JPH0243622Y2 (en) 1990-11-20

Family

ID=30726195

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984168427U Expired JPH0243622Y2 (en) 1984-11-06 1984-11-06

Country Status (1)

Country Link
JP (1) JPH0243622Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010162644A (en) * 2009-01-15 2010-07-29 Tungaloy Corp Drill and grinding method of the drill

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826430A (en) * 1981-08-11 1983-02-16 三菱電機株式会社 Circuit breaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826430A (en) * 1981-08-11 1983-02-16 三菱電機株式会社 Circuit breaker

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010162644A (en) * 2009-01-15 2010-07-29 Tungaloy Corp Drill and grinding method of the drill

Also Published As

Publication number Publication date
JPH0243622Y2 (en) 1990-11-20

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