JPS5565024A - Fret saw teeth - Google Patents

Fret saw teeth

Info

Publication number
JPS5565024A
JPS5565024A JP13651878A JP13651878A JPS5565024A JP S5565024 A JPS5565024 A JP S5565024A JP 13651878 A JP13651878 A JP 13651878A JP 13651878 A JP13651878 A JP 13651878A JP S5565024 A JPS5565024 A JP S5565024A
Authority
JP
Japan
Prior art keywords
teeth
workpiece
return
fret
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.)
Pending
Application number
JP13651878A
Other languages
Japanese (ja)
Inventor
Hideo Kawakami
Masami Endo
Fumio Yamazaki
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.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine Co 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 Toshiba Machine Co Ltd filed Critical Toshiba Machine Co Ltd
Priority to JP13651878A priority Critical patent/JPS5565024A/en
Publication of JPS5565024A publication Critical patent/JPS5565024A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/12—Straight saw blades; Strap saw blades
    • B23D61/123—Details of saw blade body
    • 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
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/12—Straight saw blades; Strap saw blades
    • 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
    • B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
    • B23D61/12—Straight saw blades; Strap saw blades
    • B23D61/121—Types of set; Variable teeth, e.g. variable in height or gullet depth; Varying pitch; Details of gullet

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sawing (AREA)

Abstract

PURPOSE:To reduce the quantity of burrs produced on the back surface of a plate workpiece to be sawn by a fret saw teeth by setting height of the cutting teethlower by VF/2NS than the return teeth of a fret saw. CONSTITUTION:A fret sawing machine elevationally moves from the bottom dead point to the top dead point thereof, and a workpiece 1 to be sawn moves in the meantime in the distance of VF/2NS. Since the return teeth D is higher by VF/2NS than the cutting teeth C, the workpiece 1 is cut in the distance of VF/NS as the sum of the moved amount of the workpiece 1 by the return teeth D and the amount of the return teeth D preceded from the cutting teeth C (VF/2NS), where VF: the feeding speed (mm/min.) of the workpiece, NS: the reciprocating speed (strokes/min.) of the saw teeth. Thus, there occurs a zone Y1' having no burr no the back surface of the workpiece 1.
JP13651878A 1978-11-06 1978-11-06 Fret saw teeth Pending JPS5565024A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13651878A JPS5565024A (en) 1978-11-06 1978-11-06 Fret saw teeth

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13651878A JPS5565024A (en) 1978-11-06 1978-11-06 Fret saw teeth

Publications (1)

Publication Number Publication Date
JPS5565024A true JPS5565024A (en) 1980-05-16

Family

ID=15177041

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13651878A Pending JPS5565024A (en) 1978-11-06 1978-11-06 Fret saw teeth

Country Status (1)

Country Link
JP (1) JPS5565024A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6450368U (en) * 1987-09-25 1989-03-28
EP0313545A1 (en) * 1987-10-22 1989-04-26 Sandor Janos Rozsa Sabre saw blade
JP2011131317A (en) * 2009-12-24 2011-07-07 Hitachi Koki Co Ltd Saw blade and reciprocating saw

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6450368U (en) * 1987-09-25 1989-03-28
EP0313545A1 (en) * 1987-10-22 1989-04-26 Sandor Janos Rozsa Sabre saw blade
JP2011131317A (en) * 2009-12-24 2011-07-07 Hitachi Koki Co Ltd Saw blade and reciprocating saw

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