CS395490A3 - Method for determining sharpness of cutting blades - Google Patents

Method for determining sharpness of cutting blades

Info

Publication number
CS395490A3
CS395490A3 CS903954A CS395490A CS395490A3 CS 395490 A3 CS395490 A3 CS 395490A3 CS 903954 A CS903954 A CS 903954A CS 395490 A CS395490 A CS 395490A CS 395490 A3 CS395490 A3 CS 395490A3
Authority
CS
Czechoslovakia
Prior art keywords
cutting blades
determining sharpness
sharpness
determining
blades
Prior art date
Application number
CS903954A
Other languages
Czech (cs)
Inventor
Gerd Ing Friese
Uwe Dipl Ing Hofgen
Klaus Dipl Ing Schulze
Burkhard Dipl Ing Weiss
Original Assignee
Agritechnik Ing Betrieb
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 Agritechnik Ing Betrieb filed Critical Agritechnik Ing Betrieb
Publication of CS395490A3 publication Critical patent/CS395490A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/09—Details
    • A01F29/22—Arrangement of knife sharpening devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/22—Safety devices specially adapted for cutting machines
    • B26D7/24—Safety devices specially adapted for cutting machines arranged to disable the operating means for the cutting member

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental Sciences (AREA)
  • Threshing Machine Elements (AREA)
  • Harvester Elements (AREA)
  • Crushing And Pulverization Processes (AREA)
CS903954A 1989-08-11 1990-08-10 Method for determining sharpness of cutting blades CS395490A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD33168689A DD286735A5 (en) 1989-08-11 1989-08-11 METHOD FOR DETERMINING THE SHARPNESS OF HAECKSELMESSERN

Publications (1)

Publication Number Publication Date
CS395490A3 true CS395490A3 (en) 1992-01-15

Family

ID=5611556

Family Applications (1)

Application Number Title Priority Date Filing Date
CS903954A CS395490A3 (en) 1989-08-11 1990-08-10 Method for determining sharpness of cutting blades

Country Status (5)

Country Link
CS (1) CS395490A3 (en)
DD (1) DD286735A5 (en)
DE (1) DE4023113A1 (en)
FR (1) FR2650723A1 (en)
GB (1) GB2235118A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4441573A1 (en) * 1993-11-23 1995-05-24 Ranpak Corp Cutting arrangement with a circuit for detecting a false cut
DE19903153C1 (en) 1999-01-27 2000-03-16 Case Harvesting Sys Gmbh Method of determining the sharpness of agricultural chopping blades involves comparing reference load quotient on counter blade with varying quotient measured during operation
DE10051553C2 (en) * 2000-10-18 2002-09-26 Case Harvesting Sys Gmbh Setting device for the cutting gap on choppers
DE10235919B4 (en) * 2002-07-30 2006-02-09 Deere & Company, Moline Method and arrangement for determining the sharpness of chopping knives
DE10346412A1 (en) 2003-10-07 2005-05-25 Deere & Company, Moline Harvesting machine with a monitoring device for monitoring the sharpness of cutting blades and / or their distance from a counter-blade
DE102006025224A1 (en) * 2006-05-29 2007-12-20 Claas Selbstfahrende Erntemaschinen Gmbh Agricultural harvester
DE102009033717B4 (en) 2009-07-13 2014-04-03 Hochschule für Technik und Wirtschaft Dresden Apparatus and method for determining the sharpness of a cutting edge of cutting tools
DE102010021746B4 (en) * 2010-05-20 2012-10-31 Hochschule für Technik und Wirtschaft Dresden Apparatus and method for determining the wear on cutting blades of choppers
DE102011005317B4 (en) 2011-03-09 2017-08-17 John Deere GmbH & Co. KG Measuring system for determining the state of wear of chopping knives
DE102011055851A1 (en) 2011-05-21 2012-11-22 Claas Saulgau Gmbh Method for detecting the sharpness of cutting edges of chopping knives
DE102014218408A1 (en) 2013-10-31 2015-04-30 Deere & Company Arrangement for detecting the sharpness of chopping knives

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4198006A (en) * 1978-10-30 1980-04-15 Sperry Corporation Magnetic clearance sensor
US4205797A (en) * 1978-10-30 1980-06-03 Sperry Corporation Magnetic clearance sensor
US4412212A (en) * 1981-08-10 1983-10-25 Deere & Company Shearbar clearance detector

Also Published As

Publication number Publication date
FR2650723A1 (en) 1991-02-15
DE4023113A1 (en) 1991-06-13
GB9017628D0 (en) 1990-09-26
DD286735A5 (en) 1991-02-07
GB2235118A (en) 1991-02-27

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