JPH042370B2 - - Google Patents
Info
- Publication number
- JPH042370B2 JPH042370B2 JP12854785A JP12854785A JPH042370B2 JP H042370 B2 JPH042370 B2 JP H042370B2 JP 12854785 A JP12854785 A JP 12854785A JP 12854785 A JP12854785 A JP 12854785A JP H042370 B2 JPH042370 B2 JP H042370B2
- Authority
- JP
- Japan
- Prior art keywords
- blade
- coating layer
- masking member
- cutting edge
- blade surface
- 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.)
- Expired
Links
- 239000011247 coating layer Substances 0.000 claims description 53
- 230000000873 masking effect Effects 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000005524 ceramic coating Methods 0.000 claims description 2
- 239000010410 layer Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Other Surface Treatments For Metallic Materials (AREA)
Description
本発明は、ナイフ、ハサミ、カミソリ、芝刈り
機や草刈り機等の刃の製造技術に関する。
The present invention relates to a technology for manufacturing blades for knives, scissors, razors, lawn mowers, mowers, etc.
従来より、刃面がすくい面と逃げ面とで構成さ
れている刃物本体に、刃の切れ味と寿命を向上さ
せるために高硬度で耐摩耗性の高いセラミツク素
材を刃先にコーテイングする技術が行なわれてい
る。
このコーテイング方法は、第６図のように、ま
ず刃物本体３の第二刃面７（逃げ面又はすくい
面）にコーテイング層８をコーテイングし、この
次に第一刃面５（すくい面又は逃げ面）にコーテ
イング層９をコーテイングしてていた。しかしな
がら、このような方法であると、第二刃面７の端
の刃先１０位置ではコーテイング剤の表面張力の
ためのコーテイング層８の端がその厚み分だけ丸
くなり、また第一刃面５のコーテイング層９も刃
先１０位置で丸くなり、結局刃物本体３の刃先１
０位置ではコーテイング層８，９にその厚み分程
度の丸味が生じ、刃先１０の切れ味が悪いという
欠点があつた。また、コーテイング後にコーテイ
ング層８，９の刃先１０をシヤープにするために
は両面のコーテイング層８，９を夫々研削及び研
摩しなければならず、コストが高くなるという欠
点があつた。
Traditionally, a technology has been used to coat the cutting edge of a knife body, which consists of a rake face and a flank face, with a ceramic material that is highly hard and wear-resistant, in order to improve the sharpness and lifespan of the blade. ing. In this coating method, as shown in FIG. A coating layer 9 was coated on the surface). However, with such a method, at the position of the cutting edge 10 at the end of the second cutting surface 7, the edge of the coating layer 8 due to the surface tension of the coating agent is rounded by the thickness thereof, and the edge of the coating layer 8 is rounded by the thickness of the coating layer 8 due to the surface tension of the coating agent. The coating layer 9 also becomes rounded at the cutting edge 10 position, and eventually the cutting edge 1 of the knife body 3
At the 0 position, the coating layers 8 and 9 had a roundness corresponding to their thickness, and the cutting edge 10 had a disadvantage of poor sharpness. Furthermore, in order to sharpen the cutting edge 10 of the coating layers 8 and 9 after coating, it is necessary to grind and polish the coating layers 8 and 9 on both sides, respectively, resulting in an increase in cost.
本発明は叙上のような技術的背景に鑑みて為さ
れたものであり、その目的とするところは刃先の
切れ味と寿命を向上させるために高硬度で耐摩耗
性の高いセラミツク素材をコーテイングされた刃
の製造方法であつて、簡素な工程で鋭利な刃先を
有する刃を製造できるようにすることにある。
The present invention was made in view of the above-mentioned technical background, and its purpose is to coat the cutting edge with a ceramic material that is highly hard and highly wear resistant in order to improve the sharpness and lifespan of the cutting edge. The purpose of the present invention is to provide a method for manufacturing a blade having a sharp cutting edge through a simple process.
本発明刃の製造方法は、刃面が互いに鋭角をな
すすくい面１と逃げ面２とで構成された鋼製の刃
物本体３の両刃面にセラミツク製のコーテイング
層８，９を形成された刃の製造方法であつて、刃
物本体３のすくい面１と逃げ面２との内いずれか
一方の第一刃面５にマスキング部材６を面接させ
てマスキング部材６をすくい面１と逃げ面２との
間の角よりも突出させ、刃物本体３のすくい面１
と逃げ面２との内いずれか他方の第二刃面７から
マスキング部材６の飛び出した部分にかけて略く
の字状に屈曲させてコーテイング層８を形成し、
次に第一刃面５からマスキング部材６を除去して
第一刃面５から前記コーテイング層８の第一刃面
５と平行になつた部分にかけてコーテイング層９
を形成し、この後前記両コーテイング層８，９の
突出した部分を第二刃面７とほぼ平行に除去して
鋭角の刃先１０を形成することを特徴とするもの
であり、コーテイング時のコーテイング層８，９
の端が刃物本体３の刃先１０位置にならないので
コーテイング層８，９が刃先１０の位置で丸味を
帯びることがなく、しかも刃物本体３にコーテイ
ング層８，９を形成した後、片面だけを研摩して
突出したコーテイング層８，９を除去するだけの
一研摩工程でコーテイング層８，９に鋭利な刃先
１０を付与でき、簡素な工程で鋭利な刃先１０を
形成できるものである。以下本発明の実施例を添
付図に基いて詳述する。刃物本体３は刃物鋼やス
テンレス鋼などの鋼材により形成されており、互
いに鋭角をなすすくい面１と逃げ面２とを有して
いる。以下の図示例では、逃げ面２を先にコーテ
イング層８を形成される第二刃面７とし、すくい
面１を後からコーテイング層９を形成される第一
刃面５として説明するが、すくい面１を先にコー
テイングされる第二刃面７とし、逃げ面２を後か
らコーテイングされる第一刃面５としてもよいの
は勿論である。
まず、刃物本体３のすくい面１（第一刃面５）
にシート状の金属箱や樹脂シート等のマスキング
部材６の平面を面接させてすくい面１の全面を覆
うと共にマスキング部材６をすくい面１と逃げ面
２との間の角よりも突出させる。この状態で、第
１図ａに示すように、刃物本体３の逃げ面２（第
二刃面７）からマスキング部材６のはみ出し部分
１１にかけて略くの字状に屈曲させてコーテイン
グ層８を形成する。コーテイング層８はセラミツ
ク素材（TiN，Cr2O3，Al2O3，ZrO2，SiO2等）
により調製されている。次に、コーテイング層８
の突出部分８ａを残したままですくい面１からマ
スキング部材６を剥離除去し、すくい面１から前
記コーテイング層８の突出部分８ａの裏面にかけ
てコーテイング層９を形成する。こうして、第１
図ｂに示すように両コーテイング層８，９の突出
部分８ａ，９ａ同士が重なるように形成され、両
突出部分８ａ，９ａは逃げ面２側へ斜めに突出し
ている。このすくい面１のコーテイング層９も逃
げ面２のコーテイング層８と同じセラミツク素材
である。この後前記両コーテイング層８，９の突
出部分８ａ，９ａを第１図ｃのように逃げ面２と
ほぼ平行に研削などで除去してコーテイング層
８，９の角にシヤープな刃先１０を形成するので
ある。
図示例では、逃げ面２側に先にコーテイングし
て第２図に示すようにすくい面１側のコーテイン
グ層９が逃げ面２側のコーテイング層８に被さつ
ており、こうすると被切断物１２の切断時にすく
い面１には押し下げるような力Ｆが加わるが、す
くい面１のコーテイング層９は圧縮力を受けるだ
けであるので、コーテイング層８及び９の接合面
４が剥がれにくく、刃先１０の強度が向上する。
また、第３図に示すごとく、ハサミ、カミソリ、
芝刈り機や刈込み機などのように固定刃１３に対
して可動刃１４が摺動する刃物類の場合には、す
くい面１側を後からコーテイングするようにすれ
ば、シヤープな刃先エツジを出すために突出部分
８ａ，９ａを研削する面が刃の摺動面となるた
め、摺動面の平坦度や刃先の隙間などの精度を高
めることができ、安価で切れ味の良い刃を得るこ
とができる。
更に、第４図のようなＶ状の刃溝１５を有する
トリマー刃などにおいて、第５図のように摺動面
（逃げ面２）を後からコーテイングするようにす
れば、一枚の平坦なマスキング部材６を全摺動面
に同時に当接させることができ、又突出部分８
ａ，９ａを研削する際も刃溝１５の研削と同様に
して突出部分８ａ，９ａを研削でき、シヤープな
刃先エツジを簡単に安価に製造できるのである。
The manufacturing method of the blade of the present invention is a blade in which ceramic coating layers 8 and 9 are formed on both blade surfaces of a steel blade main body 3, which is composed of a rake face 1 and a flank face 2 that form an acute angle to each other. In this manufacturing method, a masking member 6 is brought into contact with the first blade surface 5 of either the rake surface 1 or the flank surface 2 of the cutter body 3, and the masking member 6 is attached to the rake surface 1 or the flank surface 2. The rake surface 1 of the cutter body 3 is made to protrude beyond the corner between
forming a coating layer 8 by bending it in a substantially dogleg shape from the second blade surface 7 of the other of the masking member 6 and the flank surface 2 to the protruding portion of the masking member 6;
Next, the masking member 6 is removed from the first blade surface 5, and a coating layer 9 is formed from the first blade surface 5 to the portion of the coating layer 8 that is parallel to the first blade surface 5.
is formed, and then the protruding portions of both coating layers 8 and 9 are removed substantially parallel to the second blade surface 7 to form an acute-angled cutting edge 10, and the coating at the time of coating is layer 8,9
Since the edge of the blade is not at the cutting edge 10 position of the cutter body 3, the coating layers 8 and 9 will not be rounded at the cutting edge 10. Moreover, after forming the coating layers 8 and 9 on the cutter body 3, only one side is polished. A sharp cutting edge 10 can be imparted to the coating layers 8 and 9 by a single polishing process in which the protruding coating layers 8 and 9 are removed, and the sharp cutting edge 10 can be formed in a simple process. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The cutter body 3 is made of a steel material such as cutter steel or stainless steel, and has a rake face 1 and a flank face 2 that form an acute angle with each other. In the illustrated example below, the flank surface 2 will be described as the second blade surface 7 on which the coating layer 8 will be formed first, and the rake surface 1 will be described as the first blade surface 5 on which the coating layer 9 will be formed later. Of course, the surface 1 may be the second blade surface 7 that is coated first, and the flank surface 2 may be the first blade surface 5 that is coated later. First, the rake surface 1 (first blade surface 5) of the knife body 3
The plane of a masking member 6 such as a sheet-shaped metal box or a resin sheet is brought into contact with the masking member 6 to cover the entire surface of the rake face 1, and the masking member 6 is made to protrude beyond the corner between the rake face 1 and the flank face 2. In this state, as shown in FIG. 1a, the coating layer 8 is formed by bending the masking member 6 from the flank 2 (second blade surface 7) of the cutter main body 3 to the protruding portion 11 of the masking member 6 in a substantially dogleg shape. do. The coating layer 8 is made of ceramic material (TiN, Cr 2 O 3 , Al 2 O 3 , ZrO 2 , SiO 2 etc.)
Prepared by. Next, coating layer 8
The masking member 6 is peeled off from the rake face 1 while leaving the protruding portion 8a of the coating layer 8, and a coating layer 9 is formed from the rake face 1 to the back surface of the protruding portion 8a of the coating layer 8. Thus, the first
As shown in FIG. b, the protruding portions 8a, 9a of both coating layers 8, 9 are formed so as to overlap each other, and both protruding portions 8a, 9a protrude diagonally toward the flank 2 side. The coating layer 9 on the rake face 1 is also made of the same ceramic material as the coating layer 8 on the flank face 2. After that, the protruding portions 8a, 9a of both the coating layers 8, 9 are removed by grinding or the like in a direction substantially parallel to the flank 2, as shown in FIG. 1c, to form a sharp cutting edge 10 at the corner of the coating layers 8, 9. That's what I do. In the illustrated example, the flank surface 2 side is coated first, and as shown in FIG. 2, the coating layer 9 on the rake surface 1 side covers the coating layer 8 on the flank surface 2 side. When cutting, a downward force F is applied to the rake face 1, but the coating layer 9 on the rake face 1 only receives compressive force, so the joint surface 4 of the coating layers 8 and 9 is difficult to peel off, and the cutting edge 10 Strength is improved.
In addition, as shown in Figure 3, scissors, razors,
In the case of cutlery such as lawn mowers and trimmers in which the movable blade 14 slides against the fixed blade 13, a sharp cutting edge can be obtained by coating the rake face 1 side later. Therefore, the surface on which the protruding portions 8a and 9a are ground becomes the sliding surface of the blade, so the flatness of the sliding surface and the precision of the gap between the cutting edges can be improved, making it possible to obtain an inexpensive and sharp blade. can. Furthermore, if the sliding surface (flank surface 2) of a trimmer blade having a V-shaped groove 15 as shown in FIG. 4 is later coated as shown in FIG. The masking member 6 can be brought into contact with all sliding surfaces at the same time, and the protruding portion 8
When grinding a, 9a, the protruding portions 8a, 9a can be ground in the same manner as the blade groove 15, and a sharp cutting edge can be easily manufactured at low cost.
本発明は叙述のごとく刃面が互いに鋭角をなす
すくい面と逃げ面とで構成された鋼製の刃物本体
の両刃面にセラミツク製のコーテイング層を形成
された刃の製造方法であつて、刃物本体のすくい
面と逃げ面との内いずれか一方の第一刃面にマス
キング部材を面接させてマスキング部材をすくい
面と逃げ面との間の角よりも突出させ、刃物本体
のすくい面と逃げ面との内いずれか他方の第二刃
面からマスキング部材の飛び出した部分にかけて
略くの字状に屈曲させてコーテイング層を形成
し、次に第一刃面からマスキング部材を除去して
第一刃面から前記コーテイング層の第一刃面と平
行になつた部分にかけてコーテイング層を形成し
ているから、刃物本体の刃先位置がコーテイング
層の端にならないので刃先位置でコーテイング層
が丸味を帯びることがないという利点があり、し
かもこの後前記両コーテイング層の突出した部分
を第二刃面とほぼ平行に除去して鋭角の刃先を形
成しているから、刃物本体にコーテイング層を形
成した後、片面だけを研摩して突出したコーテイ
ング層を除去するだけの一研摩工程でコーテイン
グ層に鋭利な刃先を付与でき、簡素な工程で鋭利
な刃先を形成できるという効果がある。
As described above, the present invention is a method for manufacturing a blade in which a coating layer made of ceramic is formed on both blade surfaces of a steel blade main body consisting of a rake face and a flank face that form an acute angle to each other. A masking member is brought into contact with the first cutting surface of either one of the rake face and the clearance face of the main body, so that the masking member protrudes beyond the corner between the rake face and the clearance face, and the rake face and the clearance face of the main body are A coating layer is formed by bending the masking member from the second blade surface on the other side to the protruding part of the masking member in a dogleg shape, and then removing the masking member from the first blade surface to form a coating layer. Since the coating layer is formed from the blade surface to the part parallel to the first blade surface of the coating layer, the position of the cutting edge of the knife body is not at the edge of the coating layer, so the coating layer becomes rounded at the cutting edge position. Moreover, since the protruding portions of both coating layers are then removed approximately parallel to the second blade surface to form an acute-angled cutting edge, after forming the coating layer on the blade body, A sharp cutting edge can be imparted to the coating layer with a single polishing process in which only one side is polished and the protruding coating layer is removed, and the effect is that a sharp cutting edge can be formed in a simple process.
第１図ａ，ｂ，ｃは本発明の一実施例の実施順
序を説明する断面図、第２図は同上の作用説明
図、第３図は同上の一実施態様を示す斜視図、第
４図は同上の他の実施態様を示す斜視図、第５図
は第４図の−断面図、第６図は従来例の断面
図であり、
１はすくい面、２は逃げ面、３は刃物本体、５
は第一刃面、６はマスキング部材、７は第二刃
面、８はコーテイング層、９はコーテイング層、
１０は刃先である。
Figures 1a, b, and c are sectional views explaining the order of implementation of one embodiment of the present invention, Figure 2 is an explanatory view of the same operation, Figure 3 is a perspective view showing one embodiment of the same, and Figure 4 The figure is a perspective view showing another embodiment same as the above, FIG. 5 is a cross-sectional view taken from FIG. 4, and FIG. 6 is a cross-sectional view of a conventional example. Main body, 5
is a first blade surface, 6 is a masking member, 7 is a second blade surface, 8 is a coating layer, 9 is a coating layer,
10 is the cutting edge.
Claims (1)
で構成された鋼製の刃物本体の両刃面にセラミツ
ク製のコーテイング層を形成された刃の製造方法
であつて、刃物本体のすくい面と逃げ面との内い
ずれか一方の第一刃面にマスキング部材を面接さ
せてマスキング部材をすくい面と逃げ面との間の
角よりも突出させ、刃物本体のすくい面と逃げ面
との内いずれか他方の第二刃面からマスキング部
材の飛び出した部分にかけて略くの字状に屈曲さ
せてコーテイング層を形成し、次に第一刃面から
マスキング部材を除去して第一刃面から前記コー
テイング層の第一刃面と平行になつた部分にかけ
てコーテイング層を形成し、この後前記両コーテ
イング層の突出した部分を第二刃面とほぼ平行に
除去して鋭角の刃先を形成することを特徴とする
刃面の製造方法。1. A method for manufacturing a blade in which a coating layer made of ceramic is formed on both blade surfaces of a steel blade main body consisting of a rake face and a flank face that form an acute angle to each other, the blade being formed with a ceramic coating layer on both blade faces, A masking member is brought into contact with either one of the first cutting surfaces between the rake face and the flank face, the masking member is made to protrude beyond the corner between the rake face and the flank face, and the masking member is made to protrude beyond the corner between the rake face and the flank face of the cutter body. The coating layer is formed by bending the masking member from the other second blade surface to the protruding part of the masking member in a substantially dogleg shape, and then removing the masking member from the first blade surface and applying the coating layer from the first blade surface. A coating layer is formed over a portion of the layer that is parallel to the first blade surface, and then the protruding portions of both coating layers are removed approximately parallel to the second blade surface to form an acute-angled cutting edge. A manufacturing method for the blade surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12854785A JPS61288942A (en) | 1985-06-13 | 1985-06-13 | Manufacture of cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12854785A JPS61288942A (en) | 1985-06-13 | 1985-06-13 | Manufacture of cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61288942A JPS61288942A (en) | 1986-12-19 |
| JPH042370B2 true JPH042370B2 (en) | 1992-01-17 |
Family
ID=14987453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12854785A Granted JPS61288942A (en) | 1985-06-13 | 1985-06-13 | Manufacture of cutter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61288942A (en) |
-
1985
- 1985-06-13 JP JP12854785A patent/JPS61288942A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61288942A (en) | 1986-12-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0753914Y2 (en) | Knife blade | |
| JP3512417B2 (en) | Safety razor | |
| JP2005509462A (en) | CVD diamond cutting insert | |
| JPH07500998A (en) | shaving device | |
| ES2118821T3 (en) | SHAVING BLADE AND PROCEDURE FOR MAKING A SHAVING BLADE. | |
| US20040226176A1 (en) | Razor blades having a non-linear cutting edge and a method for manufacture thereof | |
| US4279076A (en) | Scissors | |
| JPH11502449A (en) | Knife blade | |
| JP2002248278A (en) | Cutter | |
| WO1999034962A1 (en) | Milling cutter for slotting | |
| JPH06318B2 (en) | How to cut long foil | |
| JPH042370B2 (en) | ||
| JPH05172709A (en) | Diamond knife for microtome and manufacture thereof | |
| EP4324608A1 (en) | Razor blade | |
| US20060032060A1 (en) | Microprismatic shaving surface and shaving implements incorporating said surface | |
| WO1992006826A1 (en) | Double-curved razor blade | |
| JP2662699B2 (en) | Slitter knife | |
| JPH1066790A (en) | Manufacture of cutter | |
| JPS6248426A (en) | Manufacture of blade | |
| JPH05212695A (en) | Two-piece slitter knife with guider | |
| JPS5913224B2 (en) | Electric razor inner blade manufacturing method | |
| JP2003169974A (en) | Scissors for hair dressing | |
| JPS6152210A (en) | Blade | |
| JPH07690U (en) | Slitter knife | |
| CA2317235A1 (en) | Amorphous diamond coating of blades |