• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    SUMMARY The present invention relates to a saw blade comprising a first edge (1) with teeth (2) and a second edge (3) substantially opposite the first edge (1), which second edge (3) extends in a first main direction of propagation along a first part (4) of its main extent and in a second main direction of propagation along a second part (5) of its main extent, neither said first nor said second main direction of propagation being parallel to a main direction of propagation of said first edge (1); . Said second edge (3) extends substantially parallel to said first edge (1) along a third part (6) of its main extent, said third part (6) connecting said first part (4) to said second part (5). The present invention also relates to a method of forming a trailing edge of a saw blade.
    公开号:SE1250754A1
    申请号:SE1250754
    申请日:2012-07-03
    公开日:2014-01-04
    发明作者:Tomas Ivner
    申请人:Kapman Ab；
    IPC主号:
    专利说明:

    The present invention relates to a saw blade comprising a first edge with teeth and a second edge substantially opposite the first edge, the second edge extending in a first main direction of propagation along a first part of its main part. propagation and in a second main direction of propagation along a second part of its main propagation, wherein neither said first nor said second main direction of propagation is parallel to a main direction of propagation of said first edge. The present invention also relates to a method of forming a trailing edge of a saw blade.
    Canadian technology US, A, 4 160 397 discloses a construction for a saw blade and a method for manufacturing the same. The blade has a series of teeth shaped along an edge to define a cutting edge. The blade has a trailing edge that is increasingly inclined or conical in opposite directions from an adjacent point on the trailing edge. In the manufacture of the blade, the trailing edge is ground. A disadvantage of the described construction is that during operation it is exposed to unnecessarily large fatigue seals, partly due to the geometry of the rear edge and partly due to the fact that the rear edge is ground.
    SUMMARY OF THE INVENTION A first object of the present invention is to provide a saw blade which, during operation, is subjected to lower fatigue seals and can be applied to corresponding saw blades. A second object of the present invention is to provide a method of forming a trailing edge of a saw blade. The invention thus comprises a saw blade comprising a first edge with teeth and a second edge, substantially opposite to the first edge, which second edge extends in a first main direction of propagation along a first part of its main distribution and in a second main direction of propagation along a second part of its principal extent, neither said first nor said second principal direction of propagation being parallel to a principal direction of propagation of said first edge. Said second edge extends substantially parallel to said first edge along a third part of its main extent, said third part connecting said first part with said second part.
    Said second part may be longer than said first part in the main spreading direction of the saw blade. Said second part may be in front of said first part on the saw blade, meaning that said second part may pass the existing workpiece in front of said first part when sawing.
    Said second edge may extend in said first main direction of propagation along a fourth part of its main extent. Said second edge may extend substantially parallel to said first edge along a fifth part of its main extent, said fifth part being able to connect said second part to said fourth part. Said fifth part may be at a shorter substantially perpendicular distance from the first edge than said third part Or.
    The third part may be shorter than the first part in the main direction of propagation of the saw blade. Said third part may be shorter than said second part in the main spreading direction of the saw blade. Said third part may be longer than said first part in the main spreading direction of the saw blade.
    Said fifth part may be shorter than said second part in the main spreading direction of the saw blade. Said fifth part may be shorter than said fourth part in the main spreading direction of the saw blade. Said fifth part may be longer than said fourth part in the main spreading direction of the saw blade.
    Said third part may have a length of about 5-150 mm in the main spreading direction of the saw blade. Said third part may have a length of about 10-50 mm in the main spreading direction of the saw blade. Said fifth part may have a length of about 5-150 mm in the main spreading direction of the saw blade. Said fifth part may have a length of about 10-50 mm in the main direction of propagation of the saw blade.
    The saw blade can be made of a band saw blade.
    The invention thus also comprises a method of forming a trailing edge of a saw blade, the saw blade comprising a first edge with teeth and a second edge, substantially opposite to the first edge, corresponding to the trailing edge, which second edge extends in a first main direction of propagation along a first part of its main extent and in a second major direction of propagation along a second part of its main extent, neither said first 3 nor said second major direction of propagation being parallel to a major direction of propagation of said first edge. The trailing edge is formed by milling.
    The milling can consist of high-speed milling. The milling can take place in the main longitudinal direction of the saw blade.
    List of figures Figure 1 shows, in sectioned side view, a part of a saw blade according to the invention.
    Description of embodiments Figure 1 shows what a part of a saw blade according to the invention looks like. The part consists of a part of a band saw blade which comprises a first edge 1 with teeth 2 and a second, edge opposite the first edge 1 substantially opposite, son 3 constitutes the rear edge 3 of the band saw blade. The first edge 1 extends straight and thus horizontally in figure 1 and parallel to the main longitudinal direction of extension of the blade sonn the main longitudinal direction of the blade, below different parts of the trailing edge 3 extending in different main extending directions relative to the first edge 1. A first part 4 of the trailing edge 3 thus extends in a first main direction of propagation relative to the first edge 1. Correspondingly, a second part 5 of the trailing edge 3 extends in a second main direction of propagation relative to the first edge 1. Neither the first nor the second main direction of propagation is parallel to the main edge the direction of propagation of the first edge 1. However, a third part 6 of the trailing edge 3 extends parallel to the first edge 1 and the third part 6 connects the first part 4 to the second part 5. The parts merge into one another.
    The second part 5 is longer than the first part 4 in the main spreading direction of the saw blade and the second part 5 lies in front of the first part 4 on the saw blade, meaning that the second part 5 passes the existing workpiece in front of the first part 4 when sawing.
    Furthermore, a fourth part 7 of the trailing edge 3 extends in said first main direction of propagation relative to the first edge 1. A fifth part 8 of the trailing edge 3 extends parallel to the first edge 1 and the fifth part 8 connects the second part 5 to the fourth part 7. The parts softly merge into 4 each other. The fifth part 8 is located closer to the first edge 1 than the third part 6 Or, i.e. at a shorter perpendicular distance from the first edge 1 to the third edge 6 Or. The said parts 4-8 occur periodically on the trailing edge 3 in such a way that the first part 4, the second part 5, the third part 6 and the fifth part 8 together form a first group with parts followed by one or more identical groups on the trailing edge 3. The fourth part 7 is identical to and consists of the first part of the trailing edge 3 in a group of parts adjacent to the first group.
    When the belt according to the invention is used in a band saw, the trailing edge 3 rests against a pair of trailing edge guides (not shown) which are coated on 6 different sides of the workpiece being sawn. The presence of the "flat" parts 6, 8, i.e. the third part 6 and the fifth part 8, helps to reduce the contact pressure between the trailing edge guides and the blade at the points on the blade where the packings otherwise become largest when sawing, ie in the areas of changes of direction for the trailing edge 3 relative to the first edge 1. This is particularly important at the top of the curve formed by the contour line of the trailing edge 3 in Figure 1, i.e. at the third part 6. The reduced contact pressure leads to considerably improved fatigue properties. When sawing, the blade in Figure 1 moves from the left to Niger in the figure.
    In the embodiment according to Figure 1, the third part 6 of the trailing edge 3 is longer than the first part 4 but shorter than the second part 5 shaved in the main direction of propagation of the blade. Correspondingly, the fifth part 8 of the trailing edge 3 is longer than the first part 4, shorter than the second part 5 and longer than the fourth part 7 (which is identical to the first part 4) straight in the main direction of propagation of the blade. However, other relative longitudinal conditions are fully conceivable.
    As previously mentioned, the first part 4 and the second part 5 are of different lengths. Analogously, it follows that the second part 5 and the fourth part 7 are also of different lengths and that the second part 5 is longer than the fourth part 7 in the main direction of propagation of the saw blade. The second part 5 lies after the fourth part 7 on the saw blade, meaning that the second part 5 passes the workpiece which occurs after the fourth part 7 during sawing.
    The wavy trailing edge 3 according to the invention is formed by milling, it being conceivable to use high-speed milling. The milling takes place in the longitudinal direction of the saw blade. The horns on the trailing edge and which normally run the entire length of the blade can be chamfered or rounded, it being conceivable to chamfer or round only one horn or the horns. The above-mentioned shaping of the trailing edge 3 and the chamfering of at least one corner extending in the entire length or part of the length of the blade can take place by milling in one and the same moment, it also being conceivable in this case to use high-speed milling.
    The invention is not limited to the embodiments shown but can be varied within the scope of the appended claims. 6
    权利要求:
    Claims (20)
    [1]
    A saw blade comprising a first edge (1) with teeth (2) and a second edge (3) substantially opposite the first edge (1), said second edge (3) extending in a first main direction of propagation along a first part (4) of its main extent and in a second major direction of propagation along a second part (5) of its principal extent, neither said first nor said second major direction of propagation being parallel to a major direction of propagation of said first edge (1), said second edge (3) extending substantially parallel to said first edge (1) along a third part (6) of its main extent, said third part (6) connecting said first part (4) to said second part (5) .
    [2]
    A saw blade according to claim 1, wherein said second part (5) is longer than said first part (4) in the main direction of propagation of the saw blade.
    [3]
    Saw blade according to claim 2, wherein said second part (5) lies in front of said first part (4) of the saw blade, meaning that said second part (5) passes the workpiece in front of said first part (4) during sawing.
    [4]
    A saw blade according to claim 1, wherein said second edge (3) extends in said first main direction of propagation along a fourth part (7) of its main extent.
    [5]
    A saw blade according to claim 4, wherein said second edge (3) extends substantially parallel to said first edge (1) along a fifth part (8) of its main extent, said fifth part (8) connecting said second part (5) with the said fourth part (7).
    [6]
    A saw blade according to claim 5, wherein said fifth part (8) is at a shorter substantially perpendicular distance from the first edge (1) of said third part (6). 7
    [7]
    A saw blade according to claim 1, wherein said third part (6) is shorter than said first part (4) in the main direction of propagation of the saw blade.
    [8]
    A saw blade according to claim 1, wherein said third part (6) is shorter than said second part (5) in the main direction of propagation of the saw blade.
    [9]
    A saw blade according to claim 1, wherein said third part (6) is longer than said first part (4) in the main direction of propagation of the saw blade.
    [10]
    A saw blade according to claim 5, wherein said fifth part (8) is shorter than said second part (5) in the main direction of propagation of the saw blade.
    [11]
    A saw blade according to claim 5, wherein said fifth part (8) is shorter than said fourth part (7) in the main direction of propagation of the saw blade.
    [12]
    A saw blade according to claim 5, wherein said fifth part (8) is longer than said fourth part (7) in the main direction of propagation of the saw blade.
    [13]
    The saw blade according to claim 1, wherein said third part (6) has a length of about 5-150 mm in the main direction of propagation of the saw blade.
    [14]
    A saw blade according to claim 1, wherein said third part (6) has a length of about 10 mm in the main spreading direction of the saw blade.
    [15]
    A saw blade according to claim 5, wherein said fifth part (8) has a length of about 5- 150 mm in the main spreading direction of the saw blade.
    [16]
    A saw blade according to claim 5, wherein said fifth part (8) has a length of about 10 mm in the main spreading direction of the saw blade.
    [17]
    A saw blade according to claim 1, wherein the saw blade is constituted by a band saw blade.
    [18]
    A set to form a trailing edge on a saw blade, the saw blade comprising a first edge (1) with teeth (2) and a second edge (3) substantially opposite the first edge (1) 8 corresponding to the trailing edge, which second edge ( 3) propagates in a first main direction of propagation along a first part (4) of its main distribution and in a second main direction of propagation along a second part (5) of its main distribution, neither said first nor said second main direction of propagation being parallel to a main direction of propagation of said first edge (1), characterized in that the trailing edge is formed by milling.
    [19]
    Set according to claim 18, wherein the milling consists of high-speed milling.
    [20]
    Set according to claim 18, wherein the milling takes place in the main longitudinal direction of the saw blade. Cutting direction
    类似技术:
    公开号 | 公开日 | 专利标题
    SE1250754A1|2014-01-04|Saw blades and ways to design a trailing edge on a saw blade
    WO2014011242A3|2014-03-27|Hybrid airfoil for a gas turbine engine
    WO2013175478A3|2014-04-17|Method for designing a cutting edge of a cutting tool, cutting tools comprising the same, and cutting elements with multiple such cutting portions
    KR20160133419A|2016-11-22|Cutting insert
    CN105358296B|2020-01-10|Integrated multiple razor blade and method of making same
    WO2017001752A9|2017-02-23|Unit for moulding a turbomachine blade, comprising a raised portion with a large cross-section
    JP6551400B2|2019-07-31|OLED substrate cutting apparatus and OLED substrate manufacturing method
    CN202180127U|2012-04-04|Tendon-cutting forming cutter for semiconductor packaging
    JP6045960B2|2016-12-14|Band saw
    CN204977571U|2016-01-20|Last necking tool of corrugated box
    RU2015103731A|2016-08-27|FILE DIP GRINDING PATTERN FOR SAWING CHAINS DEPTH
    JP2011211244A5|2012-12-20|
    CN101745939A|2010-06-23|Wooden floor sawing method for saving resources
    CN103691848B|2016-01-13|Wire rod cutter
    CN103920920A|2014-07-16|Disc milling cutter
    CN106180482A|2016-12-07|A kind of electric automatization bar cutter
    EP2635412B1|2014-07-09|Slidable blade to be mounted on a drum of tobacco cutter
    RU2468912C2|2012-12-10|Miter box
    CN110211927B|2021-08-24|Chip cutting method
    US20150143971A1|2015-05-28|Bread-Knife Blade and a Method for Its Manufacture
    MX2015013574A|2016-02-05|Method for manufacturing a windshield wiper blade.
    CN105312669B|2018-02-16|A kind of buck saw
    CN205291071U|2016-06-08|Type strip cutting device in car seat
    CN205439126U|2016-08-10|Remove useless cutter
    WO2019037895A3|2019-05-02|Longitudinal cutting device
    同族专利:
    公开号 | 公开日
    EP2869959B1|2020-04-08|
    CN104428091A|2015-03-18|
    US20160167143A1|2016-06-16|
    US9731366B2|2017-08-15|
    EP2869959A4|2016-03-09|
    CN104428091B|2015-12-02|
    JP2015521961A|2015-08-03|
    JP5837722B2|2015-12-24|
    WO2014007743A1|2014-01-09|
    SE538438C2|2016-06-28|
    EP2869959A1|2015-05-13|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US1850478A|1930-11-06|1932-03-22|Atlantic Service Company Inc|Saw|
    US4023448A|1975-08-13|1977-05-17|Milo Bertini|Method of making a saw blade construction|
    SE7712285L|1976-11-01|1978-05-01|Wallace Murray Corp|BAND SAW SHEET|
    US4195543A|1976-11-12|1980-04-01|Wallace Murray Canada Limited|Band saw|
    DE2703948C3|1977-01-31|1981-06-04|Richard Felde Gmbh & Co Kg, 5630 Remscheid|Gang saw blade serrated on one side|
    US4160397A|1977-10-17|1979-07-10|Milo Bertini|Saw blade construction and method of making same|
    US4205571A|1977-10-17|1980-06-03|Millo Bertini|Saw blade construction|
    US4423653A|1982-10-15|1984-01-03|American Saw & Mfg. Company|Band saw blade construction|
    DE3432894A1|1984-09-07|1986-03-20|Gust. Paffenhoff GmbH & Co KG, 5630 Remscheid|Process and apparatus for milling saw teeth with a positive angle of rake in a metal strip, in particular in a bimetallic strip|
    SE462523B|1988-11-30|1990-07-09|Sandvik Ab|SEAT AND DEVICE FOR GRINDING SAWS|
    DE19521247C2|1995-06-10|2003-06-26|Scintilla Ag|Jigsaw with saw blade with corrugated back|
    EP0795369B1|1996-03-11|2002-12-11|Amada Company Limited|Band saw blade|
    JP4102817B2|2004-08-19|2008-06-18|株式会社アマダ|Band saw blade|
    CN100566900C|2004-08-19|2009-12-09|株式会社阿玛达|Bands for band and cutting process|
    AU2011242551B2|2010-04-22|2014-09-04|Milwaukee Electric Tool Corporation|Saw blade|DE102013110120A1|2013-09-13|2015-03-19|WIKUS-Sägenfabrik Wilhelm H. Kullmann GmbH & Co. KG|Saw band with profiled strap back|
    JP2016083767A|2014-10-24|2016-05-19|アーウィン インダストリアル トゥール カンパニー|Band saw blade with repeating back edge pattern and related method|
    IT201600109228A1|2016-10-28|2018-04-28|Francesco Arrighi|MACHINE SAW WITH CONFORMED TAPE BLADE|
    CN106392641B|2016-12-18|2018-08-10|泉州台商投资区秋鑫茶业有限公司|A kind of saw blade machining robot|
    US10814413B2|2017-09-05|2020-10-27|Simonds Saw Llc|Saw blade having ramp elements with a variable curve geometry|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1250754A|SE538438C2|2012-07-03|2012-07-03|Saw blades and ways to design a trailing edge on a saw blade|SE1250754A| SE538438C2|2012-07-03|2012-07-03|Saw blades and ways to design a trailing edge on a saw blade|
    EP13813047.1A| EP2869959B1|2012-07-03|2013-07-02|Saw blade|
    PCT/SE2013/050848| WO2014007743A1|2012-07-03|2013-07-02|Saw blade and method of shaping a back edge of a saw blade|
    JP2015520126A| JP5837722B2|2012-07-03|2013-07-02|Saw blade and method for forming back edge of saw blade|
    US14/411,808| US9731366B2|2012-07-03|2013-07-02|Saw blade and method of shaping a back edge of a saw blade|
    CN201380035259.3A| CN104428091B|2012-07-03|2013-07-02|The forming method on the back of the body limit of saw blade and saw blade|
    [返回顶部]