ES403785A1 - Part of steel of an elastic nature especially a clutch diaphragm and a method of its manufacture - Google Patents

Part of steel of an elastic nature especially a clutch diaphragm and a method of its manufacture

Info

Publication number
ES403785A1
ES403785A1 ES403785A ES403785A ES403785A1 ES 403785 A1 ES403785 A1 ES 403785A1 ES 403785 A ES403785 A ES 403785A ES 403785 A ES403785 A ES 403785A ES 403785 A1 ES403785 A1 ES 403785A1
Authority
ES
Spain
Prior art keywords
steel
carbon
low
elastic nature
manufacture
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
Application number
ES403785A
Other languages
Spanish (es)
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.)
Valeo SE
Original Assignee
Francaise du Ferodo SA
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 Francaise du Ferodo SA filed Critical Francaise du Ferodo SA
Publication of ES403785A1 publication Critical patent/ES403785A1/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/32—Belleville-type springs
    • F16F1/324—Belleville-type springs characterised by having tongues or arms directed in a generally radial direction, i.e. diaphragm-type springs
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D13/00—Friction clutches
    • F16D13/58—Details
    • F16D13/583—Diaphragm-springs, e.g. Belleville

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Operated Clutches (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

Procedure for obtaining a piece of steel of an elastic nature, in particular in the form of a washer with or without fingers, mainly a clutch disc, whose constituent steel, from the center or core, containing from 7 to 18% 00 of carbon, towards the outermost zone, it is first of low carbon content and then it has a higher carbon content and it has a sorbitic or bainitic structure, and this following at least one direction, the thickness of the sorbite or bainite being, in this direction, at least 10% of the thickness of the low-carbon steel, characterized by starting from a homogeneous roughing of low-carbon steel, and this roughing is subjected, at least superficially, to a cementing treatment. (Machine-translation by Google Translate, not legally binding)
ES403785A 1971-06-15 1972-06-13 Part of steel of an elastic nature especially a clutch diaphragm and a method of its manufacture Expired ES403785A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7121609A FR2142158A5 (en) 1971-06-15 1971-06-15

Publications (1)

Publication Number Publication Date
ES403785A1 true ES403785A1 (en) 1975-05-01

Family

ID=9078652

Family Applications (1)

Application Number Title Priority Date Filing Date
ES403785A Expired ES403785A1 (en) 1971-06-15 1972-06-13 Part of steel of an elastic nature especially a clutch diaphragm and a method of its manufacture

Country Status (5)

Country Link
DE (1) DE2229028A1 (en)
ES (1) ES403785A1 (en)
FR (1) FR2142158A5 (en)
GB (1) GB1402144A (en)
IT (1) IT960594B (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3235807A1 (en) * 1981-10-01 1983-04-21 Kabushiki Kaisha Komatsu Seisakusho, Tokyo SURFACE TREATMENT OF STEEL THROUGH HEAT TREATMENT
MX158127A (en) * 1983-03-12 1989-01-09 Luk Lamellen & Kupplungsbau FRICTIONAL COUPLING
GB8507230D0 (en) * 1985-03-20 1985-04-24 Lucas Ind Plc Thin flat article with hardened surfaces
GB2186290B (en) * 1986-02-11 1989-11-22 Avdel Ltd Pin for a fastener, and method of making same
FR2671022B1 (en) * 1990-12-26 1995-01-06 Valeo METHOD FOR MANUFACTURING A DIAPHRAGM, ESPECIALLY FOR CLUTCHES OF MOTOR VEHICLES.
FR2765291B1 (en) * 1997-06-27 2001-03-30 Luk Lamellen & Kupplungsbau METHOD FOR ADJUSTING A MEMBRANE SPRING
DE19830660A1 (en) * 1998-07-09 2000-01-20 Sachs Race Eng Gmbh Friction clutch, especially for vehicle transmissions, has a nickel-containing spring especially of a nickel-chromium alloy with a boride surface
FR2812575B1 (en) * 2000-08-01 2002-10-11 Valeo METHOD FOR MANUFACTURING A METAL PART COMPRISING AT LEAST ONE ELASTICALLY DEFORMABLE PART, AND METAL PART OBTAINED BY EXECUTING THE METHOD
DE10334470A1 (en) 2003-07-29 2005-03-03 Muhr Und Bender Kg Disc spring with improved setting behavior
CN102791890B (en) * 2010-03-18 2014-05-28 日本发条株式会社 Spring steel and surface treatment method for steel material
DE102015207111B3 (en) * 2015-04-20 2016-08-18 Schaeffler Technologies AG & Co. KG Process for the thermochemical-thermal treatment of carbon-reduced steels
CN105937571A (en) * 2016-07-13 2016-09-14 苏州市虎丘区浒墅关弹簧厂 High-quality medium-carbon wavy spring
US11458791B2 (en) 2018-03-08 2022-10-04 Volvo Truck Corporation Spring assembly for a vehicle bogie suspension arrangement

Also Published As

Publication number Publication date
DE2229028A1 (en) 1973-01-04
FR2142158A5 (en) 1973-01-26
GB1402144A (en) 1975-08-06
IT960594B (en) 1973-11-30

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