JPH0430907A - Saw - Google Patents
SawInfo
- Publication number
- JPH0430907A JPH0430907A JP13603090A JP13603090A JPH0430907A JP H0430907 A JPH0430907 A JP H0430907A JP 13603090 A JP13603090 A JP 13603090A JP 13603090 A JP13603090 A JP 13603090A JP H0430907 A JPH0430907 A JP H0430907A
- Authority
- JP
- Japan
- Prior art keywords
- saw
- hard material
- sawtooth
- blade
- teeth
- 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
Links
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000000203 mixture Substances 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 13
- 238000000151 deposition Methods 0.000 abstract 2
- 230000008021 deposition Effects 0.000 abstract 1
- 241001646071 Prioneris Species 0.000 description 46
- 230000006698 induction Effects 0.000 description 4
- 239000002023 wood Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910001347 Stellite Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- AHICWQREWHDHHF-UHFFFAOYSA-N chromium;cobalt;iron;manganese;methane;molybdenum;nickel;silicon;tungsten Chemical compound C.[Si].[Cr].[Mn].[Fe].[Co].[Ni].[Mo].[W] AHICWQREWHDHHF-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- B23D61/02—Circular saw blades
- B23D61/04—Circular saw blades with inserted saw teeth, i.e. the teeth being individually inserted
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
Description
【発明の詳細な説明】 〈産業上の利用分野〉 この発明は、鋸歯の構造の改良に関するものである。[Detailed description of the invention] <Industrial application field> This invention relates to improvements in the structure of sawtooths.
〈従来の技術〉
たとえば、従来の手引き鋸において、鋸歯の硬さを増す
ための処理として、鋸歯の先端部分に対して高周波焼入
加工が施されているものかある。<Prior Art> For example, in some conventional manual saws, the tip portions of the saw teeth are subjected to induction hardening in order to increase the hardness of the saw teeth.
高周波焼入加工は、刃付けした後の鋸歯に対して行なう
もので、比較的簡単に行なえ、しかも鋸歯の硬さが十分
に増すという優れた効果の加工法である。Induction hardening is performed on the sawtooth after it has been sharpened, and is relatively easy to perform and is an excellent processing method that sufficiently increases the hardness of the sawtooth.
〈発明が解決しようとする課題〉
ところか、高周波焼入加工は、上述のように刃付けした
後の鋸歯に対して行なうため、焼入加工時に、鋸歯の先
端（天）かごくわずかに溶けて、刃先の鋭利さか若干損
われるおそれがあるという欠点があった。<Problem to be solved by the invention> However, since induction hardening is performed on the sawtooth after it has been sharpened as described above, the tip (top) of the sawtooth may melt slightly during hardening. However, there was a drawback that the sharpness of the cutting edge could be slightly impaired.
この発明は、上述のような高周波焼入加工における欠点
のない鋸歯の製造を着眼点としてなされたもので、新規
な構造で切れ味の良い鋸歯を有する鋸を提供することを
目的とする。The present invention was made with an eye toward manufacturing a sawtooth that is free from the defects in induction hardening as described above, and an object of the present invention is to provide a saw having a novel structure and sharp sawtooth.
く課題を解決するための手段〉
この発明は、一連の鋸歯に対し、交互に異なる片面の少
なくとも先端部に硬質物を結着して該硬質物をもってア
サリの機能が果たされるようにされている鋸であって、
その鋸歯の何目か毎に前記硬質物の結着を施さない鋸歯
を混在させたことを特徴とする鋸である。Means for Solving the Problems> The present invention is characterized in that a hard material is bound to at least the tips of alternately different sides of a series of saw teeth, so that the hard material functions as a clam. It is a saw,
This saw is characterized in that every number of the saw teeth are mixed with saw teeth that are not bonded with the hard material.
また、この発明は、前記鋸において、一連の鋸歯を縦方
向に透視したとき、前記硬質物の結着を施さない鋸歯先
端は結着を施した鋸歯先端の内側に位置することを特徴
とするものである。Further, the present invention is characterized in that, in the saw, when the series of saw teeth is seen through in the longitudinal direction, the tips of the saw teeth to which the hard material is not bound are located inside the tips of the saw teeth to which the hard material is bound. It is something.
〈作用〉
硬質物によってアサリの機能が持たされた鋸歯が主とし
て鋸断の作用をなし、所定の目数ごとに混在された硬質
物が結着されていない鋸歯は、アサリの機能がないので
、アサリの機能を有する鋸歯の内側に位置し、切条の底
面中央部の切除および切り屑排除の作用をなす。<Function> Sawtooths that have the function of cutting with a hard material primarily perform the sawing function, and sawtooths that are mixed with a predetermined number of stitches and are not bound together do not have the function of setting. It is located inside the sawtooth, which has the function of a clam, and functions to cut the center part of the bottom surface of the cutting strip and remove chips.
鋸断の作用をなす鋸歯の天は硬質物によって形成されて
いるとともに、アサリの機能も硬質物によって果たされ
ているので、鋸歯は切れ味が劣化することなく長期にわ
たって使用可能である。The top of the sawtooth, which performs the sawing action, is made of a hard material, and the clamming function is also performed by a hard material, so the sawtooth can be used for a long time without deteriorating its sharpness.
〈実施例〉
以下には、図面を参照して、この発明の一実施例につい
て詳細に説明をする。<Embodiment> Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
第１図は、この発明の一実施例にがかる鋸歯の構造を表
わす側面図であり、第２図は、第１図の線■−■に沿う
断面図（縦方向に見たときの図）である。FIG. 1 is a side view showing the structure of a sawtooth according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along the line ■-■ in FIG. 1 (view when viewed in the vertical direction). It is.
第１図および第２図を参照して説明すると、連の鋸歯１
ａ、ｌａ、ｌａ、・・・には、交互に異なる片面の先端
部に硬質物２が結着されている。硬質物２は、たとえば
ステライト、イソライト、タンガロイなどの合金で構成
されている。また、連の鋸歯１ａ、ｌａ、・・・の中に
所定目数ごとに混在する鋸歯１ｂは、硬質物２が結着さ
れない構成となっている。Referring to FIGS. 1 and 2, the series of saw teeth 1
A, la, la, . . . have hard substances 2 bound to the tips of alternately different sides. The hard material 2 is made of an alloy such as stellite, isolite, or tangaloy. Further, the saw teeth 1b that are mixed at a predetermined number of teeth among the series of saw teeth 1a, la, . . . are configured such that the hard material 2 is not bound thereto.
硬質物２は、第２図に明確に示されるように、鋸歯１ａ
の先端側面に結着されているので、硬質物２をもって鋸
歯１ａにおけるアサリの機能が果たされている。つまり
、一般に鋸歯は、先端が交互に左右両側へ振分けられて
先端幅が広められ、アサリ付けかされることにより、切
削時における摩擦抵抗の軽減が図られているか、この実
施例の鋸歯においては、鋸歯１ａの側面先端部に硬質物
２を結着することにより、鋸歯１ａを左右両側へ振分け
ることなく、アサリの機能か付与されているのである。The hard object 2 has sawtooth 1a, as clearly shown in FIG.
Since the hard material 2 is attached to the side surface of the tip of the sawtooth 1a, the hard material 2 functions as a set for the sawtooth 1a. In other words, in general, the tips of sawtooths are alternately distributed to the left and right sides to widen the tip width, and are also set to reduce the frictional resistance during cutting.In the sawtooth of this example, By bonding the hard material 2 to the tip of the side surface of the sawtooth 1a, the sawtooth 1a is given the function of a clam without having to be distributed to the left and right sides.
また、鋸歯１ａの中に所定目数ごと、図示では４目ごと
、に点在する鋸歯１ｂには硬質物２の結着かされておら
ず、したがって、これら鋸歯１ｂにはアサリの機能が付
与されていない。Furthermore, the sawteeth 1b dotted at every predetermined number of stitches in the sawtooth 1a (every fourth stitch in the figure) are not bound with the hard material 2, and therefore these sawtooths 1b have a clam function. It has not been.
このため、一連の鋸歯１ａ、ｌｂを縦方向に透視したと
き、硬質物が結着されていない鋸歯１ｂの先端は硬質物
か結着された鋸歯１ａの先端内側に位置しており、縦方
向に透視したとき、鋸歯１ａの天１４ａおよび鋸歯１ｂ
の天１４ｂか横に４列に並ぶことになる。Therefore, when the series of sawteeth 1a and lb are seen through in the vertical direction, the tip of the sawtooth 1b to which no hard material is bound is located inside the tip of the sawtooth 1a to which the hard material is bound; When seen through, the top 14a of the sawtooth 1a and the sawtooth 1b
They will be lined up in 4 rows horizontally at 14b.
このとき、鋸歯１ａおよび１ｂに等しい刃付は加工を施
した場合には、硬質物が結着された鋸歯１ａの天１４ａ
に比べて硬質物が結着されていない鋸歯１ｂの天１４ｂ
は、その高さが低くなる。At this time, if the saw teeth 1a and 1b are machined, the top 14a of the saw teeth 1a to which a hard material is bonded
The top 14b of the sawtooth 1b has no hard material bonded to it compared to
, its height will be lower.
もっとも、鋸歯１ｂに刃付は加工を施す際に、鋸歯１ｂ
の天１４ｂか第３図に示すように、鋸歯１ａの天１４ａ
と等しい高さになるようにしてもよい。However, when machining the sawtooth 1b, the sawtooth 1b
As shown in FIG. 3, the top 14a of the sawtooth 1a
It may be set to have a height equal to .
なお図示では、左側から順に、硬質物２が鈷着かされて
いない鋸歯１ｂ、硬質物２か結着された鋸歯１ａ、ｌａ
、ｌａ、ｌａｓ硬質物２か結着されていない鋸歯１ｂ、
硬質物２か結着された鋸歯ｌａ、 ・が示されている
が、硬質物２が結着されていない鋸歯１ｂが２目連続し
て配置されていてもよい。つまり、硬質物２か結着され
ていない１対の鋸歯１ｂ、ｌｂ、硬質物２が結着された
鋸歯１ａか所定対、たとえば２対または３対（４目また
は６目）、硬質物２が結着されていない１対の鋸歯１ｂ
、ｌｂ、硬質物２が結着された所定対の鋸歯１ａ、・と
いうように、鋸歯１ａおよび１ｂか配列されていてもよ
い。In the illustration, from the left side, sawtooth 1b to which the hard material 2 is not attached, sawtooth 1a to which the hard material 2 is attached, 1a and la.
, la, las hard material 2 or unbonded sawtooth 1b,
Although the sawteeth la, * to which the hard material 2 is bound are shown, two sawtooths 1b to which the hard material 2 is not bound may be consecutively arranged. That is, a pair of sawteeth 1b, lb to which the hard material 2 is not bonded, a predetermined pair of sawtooths 1a to which the hard material 2 is bonded, for example 2 pairs or 3 pairs (4th or 6th), a hard material 2 A pair of saw teeth 1b to which are not bonded
, lb, a predetermined pair of saw teeth 1a to which the hard material 2 is bonded, etc. The saw teeth 1a and 1b may be arranged.
つまり、硬質物２を結着しない鋸歯１ｂをどのように混
在させるかは、換言すれば鋸歯１ｂを何目ごとに点在さ
せるか、また、鋸歯１ｂを何目連続して設けるか等は全
く自由に設定すればよい。In other words, it does not matter how the sawteeth 1b that do not bind the hard material 2 are mixed, in other words, how many sawteeth 1b should be interspersed, or how many consecutive sawteeth 1b should be provided. You can set it freely.
次に、この発明の一実施例にかかる鋸歯の作用効果につ
いて、第４図を参照して説明する。Next, the effects of the sawteeth according to an embodiment of the present invention will be explained with reference to FIG. 4.
第４図は、この発明の一実施例にかかる鋸歯で木材２１
を横引き切断するときの様子を描いた図解的な断面図で
ある。第４図に示すように、木材２１の切断時において
は、アサリの機能を有する鋸歯１ａによって鋸断作用が
行われ、一定幅の切条２２が形成されていく。また、ア
サリの機能を有さない鋸歯１ｂによって切条２２の底面
２３が切除される。FIG. 4 shows a piece of wood 21 with a saw blade according to an embodiment of the present invention.
FIG. 3 is a schematic cross-sectional view depicting the state of cross-cutting. As shown in FIG. 4, when cutting the wood 21, the sawtooth 1a having a clam function performs a sawing action, and a cutting strip 22 of a constant width is formed. In addition, the bottom surface 23 of the cutting strip 22 is cut off by the saw teeth 1b which do not have the function of setting.
ところで、第１図に示すような横引き用の鋸歯ｌａ、ｌ
ｂには、それぞれ、のこ引き方向に存在する表刃１１と
、のこ送り方向に存在する裏刃１２と、先端部に存在す
る人力１３とが含まれており、表刃１１と人力１３とで
作られる先端１４が鋸歯１ａ、ｌｂの天になっている。By the way, the saw teeth la, l for horizontal pulling as shown in FIG.
b includes a front blade 11 that exists in the sawing direction, a back blade 12 that exists in the sawing direction, and a human power 13 that exists at the tip, and the front blade 11 and the human power 13 The tip 14 formed by the above is the top of the sawtooth 1a, lb.
そして、アサリの機能を有し、鋸断作用をなす鋸歯１ａ
は、表刃１１、裏刃１２、人力１３および歯の天１４が
、いずれも硬質物２によって作られている。したがって
、木材２１を切断する場合に切断に作用する部分は、硬
質物２であるため、長期間使用しても摩耗等が少なく、
切れ味が持続する鋸歯１ａとなっている。The sawtooth 1a has the function of a clam and performs a sawing action.
In this case, the front blade 11, the back blade 12, the manpower 13, and the crown 14 of the teeth are all made of the hard material 2. Therefore, when cutting the wood 21, the part that acts on the cutting is the hard material 2, so even if used for a long period of time, there is little wear and tear.
It has serrated teeth 1a that maintain its sharpness.
また、アサリの機能が付与されていない鋸歯１ｂには硬
質物２は鎔着されていないが、これらアサリの機能が付
与されていない鋸歯１ｂは、切条２２の底面２３の切除
および切り屑排除の作用をなすため、アサリを有する鋸
歯１ａに比べてその摩耗が少ないので、硬質物２の結着
がなくてもさしたる問題はない。In addition, the hard material 2 is not attached to the sawtooth 1b that is not provided with a setting function, but these sawtooths 1b that are not provided with a setting function are capable of cutting the bottom surface 23 of the cutting line 22 and removing chips. Since the sawtooth 1a has less wear compared to the sawtooth 1a having a serration, there is no problem even if the hard material 2 is not bound.
以上の説明は、鋸歯が横引き用の歯を取上げたが、縦引
き用の鋸歯であってもこの発明を適用できる。また、手
引き鋸をはじめ、丸鋸等の鋸歯にもこの発明を適用でき
る。In the above explanation, the saw teeth are for horizontal pulling, but the present invention can also be applied to saw teeth for vertical pulling. Further, the present invention can be applied to saw blades such as hand saws and circular saws.
〈発明の効果〉
この発明は、以上のように構成されているので、切れ味
の良い鋸を提供することができるとともに、硬質物がア
サリの機能を果たすので、アサリ付は加工の必要がない
製造の容易な鋸を提供することができる。<Effects of the Invention> Since the present invention is configured as described above, it is possible to provide a saw with good sharpness, and since the hard material fulfills the function of the clam, it is possible to manufacture the saw with the clam without the need for machining. Can provide easy sawing.
第１図は、この発明の一実施例にがかる鋸歯の側面図で
あある。
第２図は、第１図の線■−■に沿う断面図である。
第３図は、この発明の他の構成にがかる鋸歯を表わす図
で、鋸歯を縦方向に透視したときの歯の並び具合を示す
図である。
第４図は、この発明の一実施例にかかる鋸による木材の
切断の様子を示す図解図である。
図において、１・・・鋸歯、２・・・硬質物、１４・・
・天、を示す。
特許出願人 株式会社ユーエム工業FIG. 1 is a side view of a saw tooth according to an embodiment of the present invention. FIG. 2 is a sectional view taken along the line ■--■ in FIG. 1. FIG. 3 is a diagram showing a saw tooth according to another configuration of the present invention, and is a diagram showing how the teeth are arranged when the saw tooth is seen through in the vertical direction. FIG. 4 is an illustrative view showing how wood is cut by a saw according to an embodiment of the present invention. In the figure, 1... sawtooth, 2... hard object, 14...
・Shows heaven. Patent applicant: U-M Industry Co., Ltd.
Claims (1)
先端部に硬質物を鎔着して該硬質物をもってアサリの機
能が果たされるようにされている鋸であって、 その鋸歯の何目か毎に前記硬質物の鎔着を 施さない鋸歯を混在させたことを特徴とする鋸。 ２、請求項第１項記載の鋸において、 一連の鋸歯を縦方向に透視したとき、前記 硬質物の鎔着を施さない鋸歯先端は鎔着を施した鋸歯先
端の内側に位置することを特徴とするものである。[Scope of Claims] 1. A saw in which a hard material is attached to at least the tips of alternately different sides of a series of saw teeth so that the hard material functions as a clam, A saw characterized in that each of the saw teeth has a mixture of saw teeth to which the hard material is not attached. 2. The saw according to claim 1, wherein when the series of saw teeth is seen through in the longitudinal direction, the tip of the saw tooth to which the hard material is not attached is located inside the tip of the saw tooth to which the hard material is attached. That is.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13603090A JPH0430907A (en) | 1990-05-25 | 1990-05-25 | Saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13603090A JPH0430907A (en) | 1990-05-25 | 1990-05-25 | Saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0430907A true JPH0430907A (en) | 1992-02-03 |
Family
ID=15165543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13603090A Pending JPH0430907A (en) | 1990-05-25 | 1990-05-25 | Saw |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0430907A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10272727B2 (en) | 2013-09-24 | 2019-04-30 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
| US10272625B2 (en) | 2013-09-24 | 2019-04-30 | The Yokohama Rubber Co., Ltd. | Pneumatic tire and method of manufacturing the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51130981A (en) * | 1975-04-30 | 1976-11-13 | Hekiken Kou | Method of adding steel to side surface of saw blade |
-
1990
- 1990-05-25 JP JP13603090A patent/JPH0430907A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51130981A (en) * | 1975-04-30 | 1976-11-13 | Hekiken Kou | Method of adding steel to side surface of saw blade |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10272727B2 (en) | 2013-09-24 | 2019-04-30 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
| US10272625B2 (en) | 2013-09-24 | 2019-04-30 | The Yokohama Rubber Co., Ltd. | Pneumatic tire and method of manufacturing the same |
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