NZ618435A - A timber-working device and method of operation - Google Patents

A timber-working device and method of operation

Info

Publication number
NZ618435A
NZ618435A NZ618435A NZ61843513A NZ618435A NZ 618435 A NZ618435 A NZ 618435A NZ 618435 A NZ618435 A NZ 618435A NZ 61843513 A NZ61843513 A NZ 61843513A NZ 618435 A NZ618435 A NZ 618435A
Authority
NZ
New Zealand
Prior art keywords
feed axis
stem
sensing region
head
stems
Prior art date
Application number
NZ618435A
Inventor
Craig Swinyard Douglas
Original Assignee
Waratah Nz 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 Waratah Nz Ltd filed Critical Waratah Nz Ltd
Priority to NZ618435A priority Critical patent/NZ618435A/en
Priority to CA2904241A priority patent/CA2904241C/en
Priority to PCT/NZ2014/000239 priority patent/WO2015084183A2/en
Publication of NZ618435A publication Critical patent/NZ618435A/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • A01G23/083—Feller-delimbers
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G23/00—Forestry
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • A01G23/093—Combinations of shearing, sawing or milling apparatus specially adapted for felling trees
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D59/00—Accessories specially designed for sawing machines or sawing devices
    • B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B25/00—Feeding devices for timber in saw mills or sawing machines; Feeding devices for trees

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Operation Control Of Excavators (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)

Abstract

A forestry tree felling head (4) is disclosed. The head is configured for processing multiple stems (50, 51) at a time, in which stems may be fed through the head independently from each other, to automatically align them before bucking. The head has a frame with a feed axis and a drive system (11a-b, 12a-b) configured to position a first stem on a first side of the feed axis and a second stem on a second side of the feed axis. A first end sensor (17a) having a first sensing region (52a) extending into the first side of the feed axis is configured to output a signal indicative of the presence of an end of the first stem within the first sensing region. A second end sensor (17b) having a second sensing region (52b) extending into the second side of the feed axis is configured to output a signal indicative of the presence of an end of the second stem within the second sensing region. A controller is fed these signals and independently operated feed rollers of the drive system adjust the stems such that their ends substantially align to be cut by the cutter (15).
NZ618435A 2013-12-02 2013-12-02 A timber-working device and method of operation NZ618435A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
NZ618435A NZ618435A (en) 2013-12-02 2013-12-02 A timber-working device and method of operation
CA2904241A CA2904241C (en) 2013-12-02 2014-12-02 A timber-working device and method of operation
PCT/NZ2014/000239 WO2015084183A2 (en) 2013-12-02 2014-12-02 A timber-working device and method of operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NZ618435A NZ618435A (en) 2013-12-02 2013-12-02 A timber-working device and method of operation

Publications (1)

Publication Number Publication Date
NZ618435A true NZ618435A (en) 2015-06-26

Family

ID=52347377

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ618435A NZ618435A (en) 2013-12-02 2013-12-02 A timber-working device and method of operation

Country Status (3)

Country Link
CA (1) CA2904241C (en)
NZ (1) NZ618435A (en)
WO (1) WO2015084183A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ629666A (en) * 2014-08-29 2016-03-31 Waratah Nz Ltd A timber-working device and method of operation
FI20175449A (en) 2016-09-21 2018-03-22 Deere & Co Saw machine with chain clip
WO2018056842A1 (en) * 2016-09-21 2018-03-29 Deere & Company Saw apparatus with chain retention

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2550127C (en) * 2005-06-13 2009-05-12 Tigercat Industries Inc. Tree feeding control for a tree handling device
US7997309B2 (en) * 2006-11-30 2011-08-16 Risley Enterprises Ltd. System and method for measuring trees during processing
FI121259B (en) * 2007-05-30 2010-09-15 Ponsse Oyj Arrangement and procedure for the realization of pulping
US8499803B2 (en) * 2009-06-12 2013-08-06 Waratah Nz Limited Protective routing of delimb cylinder hosing
US8002004B2 (en) * 2009-06-12 2011-08-23 Waratah Nz Limited Delimb arm cam stop
US7938154B2 (en) * 2009-06-12 2011-05-10 Waratah Nz Limited Timber-working head with feed wheel adaptor plate

Also Published As

Publication number Publication date
WO2015084183A2 (en) 2015-06-11
CA2904241C (en) 2022-05-03
CA2904241A1 (en) 2015-06-11
WO2015084183A3 (en) 2015-07-23

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Legal Events

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