CA2342481A1 - Improved grinding apparatus - Google Patents

Improved grinding apparatus Download PDF

Info

Publication number
CA2342481A1
CA2342481A1 CA 2342481 CA2342481A CA2342481A1 CA 2342481 A1 CA2342481 A1 CA 2342481A1 CA 2342481 CA2342481 CA 2342481 CA 2342481 A CA2342481 A CA 2342481A CA 2342481 A1 CA2342481 A1 CA 2342481A1
Authority
CA
Canada
Prior art keywords
grinding
machine
bits
grinding apparatus
ground
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
CA 2342481
Other languages
French (fr)
Other versions
CA2342481C (en
Inventor
Robert Sjolander
Bjorn Sjolander
Bo Thomas Sjolander
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.)
CME Blasting and Mining Equipment Ltd
Original Assignee
CME Blasting and Mining Equipment 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
Priority to CA 2342481 priority Critical patent/CA2342481C/en
Application filed by CME Blasting and Mining Equipment Ltd filed Critical CME Blasting and Mining Equipment Ltd
Priority to PCT/CA2001/000991 priority patent/WO2002004169A2/en
Priority to RU2003103774/02A priority patent/RU2250815C2/en
Priority to AU2001272260A priority patent/AU2001272260B2/en
Priority to BRPI0112441-2A priority patent/BR0112441B1/en
Priority to US10/332,629 priority patent/US7198556B2/en
Priority to CN01814766A priority patent/CN1449321A/en
Priority to JP2002508607A priority patent/JP4129559B2/en
Priority to CA002414145A priority patent/CA2414145C/en
Priority to GB0300496A priority patent/GB2381768B/en
Priority to KR1020037000259A priority patent/KR100928749B1/en
Publication of CA2342481A1 publication Critical patent/CA2342481A1/en
Priority to SE0300016A priority patent/SE525559C2/en
Priority to NO20030095A priority patent/NO321027B1/en
Priority to FI20030029A priority patent/FI125440B/en
Application granted granted Critical
Publication of CA2342481C publication Critical patent/CA2342481C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/24—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills
    • B24B3/33—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of drills of drills for stone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/001—Arrangements compensating weight or flexion on parts of the machine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • B24B27/04—Grinding machines or devices in which the grinding tool is supported on a swinging arm

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Grinding Of Cylindrical And Plane Surfaces (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)

Abstract

A grinding apparatus for grinding the hard metal inserts or working tips of drill bits (percussive or rotary), tunnel boring machine cutters (TBM) and raised bore machine cutters (RBM), said grinding apparatus consisting of a frame supporting a table for holding one or more bits to be ground, a grinding machine carried by an arm or lever system journaled on a rod attached to a frame, said grinding machine being mounted wherein means are provided to preferably provide a biased load, optionally adjustable, to said grinding machine when said table is preferably tilted and wherein the table is provided with one or more apertures to hold one or more bits to be ground.
CA 2342481 2000-07-10 2001-03-30 Improved grinding apparatus Expired - Lifetime CA2342481C (en)

Priority Applications (14)

Application Number Priority Date Filing Date Title
CA 2342481 CA2342481C (en) 2001-03-30 2001-03-30 Improved grinding apparatus
KR1020037000259A KR100928749B1 (en) 2000-07-10 2001-07-10 Improved Polishing Device
AU2001272260A AU2001272260B2 (en) 2000-07-10 2001-07-10 Grinding apparatus with articulated arm
BRPI0112441-2A BR0112441B1 (en) 2000-07-10 2001-07-10 grinding apparatus.
US10/332,629 US7198556B2 (en) 2000-07-10 2001-07-10 Grinding apparatus
CN01814766A CN1449321A (en) 2000-07-10 2001-07-10 Improved grinding apparatus
JP2002508607A JP4129559B2 (en) 2000-07-10 2001-07-10 Improved polishing equipment
CA002414145A CA2414145C (en) 2000-07-10 2001-07-10 Grinding apparatus with articulated arm
PCT/CA2001/000991 WO2002004169A2 (en) 2000-07-10 2001-07-10 Grinding apparatus with articulated arm
RU2003103774/02A RU2250815C2 (en) 2000-07-10 2001-07-10 Improved sharpening device
GB0300496A GB2381768B (en) 2000-07-10 2001-07-10 Improved grinding apparatus
SE0300016A SE525559C2 (en) 2000-07-10 2003-01-09 Grinding device for grinding tunnel boring machine inserts, step drilling machine inserts or pins of rock drill bits
NO20030095A NO321027B1 (en) 2000-07-10 2003-01-09 grinder
FI20030029A FI125440B (en) 2000-07-10 2003-01-09 Grinding machine with an articulated shaft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2342481 CA2342481C (en) 2001-03-30 2001-03-30 Improved grinding apparatus

Publications (2)

Publication Number Publication Date
CA2342481A1 true CA2342481A1 (en) 2002-09-30
CA2342481C CA2342481C (en) 2006-09-12

Family

ID=4168732

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2342481 Expired - Lifetime CA2342481C (en) 2000-07-10 2001-03-30 Improved grinding apparatus

Country Status (1)

Country Link
CA (1) CA2342481C (en)

Also Published As

Publication number Publication date
CA2342481C (en) 2006-09-12

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20210330