DE2725874C2 - - Google Patents

Info

Publication number
DE2725874C2
DE2725874C2 DE19772725874 DE2725874A DE2725874C2 DE 2725874 C2 DE2725874 C2 DE 2725874C2 DE 19772725874 DE19772725874 DE 19772725874 DE 2725874 A DE2725874 A DE 2725874A DE 2725874 C2 DE2725874 C2 DE 2725874C2
Authority
DE
Germany
Prior art keywords
silicon nitride
hot
pressed
tip
cutting
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.)
Expired - Lifetime
Application number
DE19772725874
Other languages
German (de)
English (en)
Other versions
DE2725874A1 (de
Inventor
Roland Malcolm Hollywood Birmingham Gb Thomas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF International UK Ltd
Original Assignee
Lucas Industries Ltd
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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Publication of DE2725874A1 publication Critical patent/DE2725874A1/de
Application granted granted Critical
Publication of DE2725874C2 publication Critical patent/DE2725874C2/de
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/58—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides
    • C04B35/597—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on borides, nitrides, i.e. nitrides, oxynitrides, carbonitrides or oxycarbonitrides or silicides based on silicon oxynitride, e.g. SIALONS
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/148—Composition of the cutting inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Products (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
DE19772725874 1976-06-16 1977-06-08 Spitze fuer einpunkt-drehwerkzeug sowie verfahren zum einpunktdrehen Granted DE2725874A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2491876A GB1578729A (en) 1976-06-16 1976-06-16 Tip in a single point turning tool

Publications (2)

Publication Number Publication Date
DE2725874A1 DE2725874A1 (de) 1977-12-29
DE2725874C2 true DE2725874C2 (fr) 1990-11-29

Family

ID=10219324

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772725874 Granted DE2725874A1 (de) 1976-06-16 1977-06-08 Spitze fuer einpunkt-drehwerkzeug sowie verfahren zum einpunktdrehen

Country Status (5)

Country Link
JP (1) JPS6010842B2 (fr)
CA (1) CA1056585A (fr)
DE (1) DE2725874A1 (fr)
FR (1) FR2354839A1 (fr)
GB (1) GB1578729A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1600602A (en) * 1977-03-17 1981-10-21 Lucas Industries Ltd Tool tip for a machine tool
DE3823199A1 (de) * 1988-07-08 1990-01-11 Feldmuehle Ag Schneidplatte fuer spanabhebende bearbeitung
JP7380632B2 (ja) * 2021-03-31 2023-11-15 株式会社プロテリアル 加工方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1259575A (fr) * 1970-04-15 1972-01-05
SE357984B (fr) * 1971-11-12 1973-07-16 Sandvik Ab
DE2346586A1 (de) * 1973-09-15 1975-03-27 Schmidt Gmbh Karl Verwendung von siliziumnitrid
SE367217B (fr) * 1973-09-17 1974-05-20 Sandvik Ab
CA1036185A (fr) * 1973-12-29 1978-08-08 Roland J. Lumby Methode pour le formage d'un produit ceramique fritte
US3960581A (en) * 1974-04-29 1976-06-01 The University Of Utah Process for producing a solid solution of aluminum oxide in silicon nitride
AT328254B (de) * 1974-06-25 1976-03-10 Plansee Metallwerk Abwalzfraser
CH590338A5 (fr) * 1975-03-14 1977-08-15 Battelle Memorial Institute

Also Published As

Publication number Publication date
JPS6010842B2 (ja) 1985-03-20
GB1578729A (en) 1980-11-05
FR2354839B1 (fr) 1982-04-16
CA1056585A (fr) 1979-06-19
JPS52154194A (en) 1977-12-21
FR2354839A1 (fr) 1978-01-13
DE2725874A1 (de) 1977-12-29

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: DERZEIT KEIN VERTRETER BESTELLT