JPS6241357A - Knitting needle - Google Patents
Knitting needleInfo
- Publication number
- JPS6241357A JPS6241357A JP17995885A JP17995885A JPS6241357A JP S6241357 A JPS6241357 A JP S6241357A JP 17995885 A JP17995885 A JP 17995885A JP 17995885 A JP17995885 A JP 17995885A JP S6241357 A JPS6241357 A JP S6241357A
- Authority
- JP
- Japan
- Prior art keywords
- knitting
- coating layer
- needle
- knitting needle
- base
- 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
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- Knitting Machines (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 工 発明の背景 技術分野 本発明は、自動編機用の編針に関する。[Detailed description of the invention] Background of the invention Technical field The present invention relates to knitting needles for automatic knitting machines.
先行技術とその問題点
従来、例えばメリヤス編の自動編機用の編針は、編機稼
動中絶えず針床と摺動するため、摩耗を生じ、編針の折
れ発生率、交換率が高く、生産性向上の障害となってい
た。Prior art and its problems Traditionally, knitting needles for automatic stockinette knitting machines, for example, constantly slide against the needle bed during the operation of the knitting machine, causing wear, resulting in a high rate of breakage and replacement of knitting needles, leading to poor productivity. This was an obstacle to improvement.
このため、熱処理を施し耐摩耗性を高くしたSK材(炭
素↓具鋼)、SKS材(合金工具鋼)等が編針用材質と
して用いられるようなっている。For this reason, SK materials (carbon ↓ tool steel), SKS materials (alloy tool steel), etc., which have been heat-treated to have increased wear resistance, are being used as materials for knitting needles.
しかし、近年メリヤス編糸に合成繊維が多く使用され、
また自動編機のスピード向上とともに、編針のフックに
かかる張力はより大きいものとなっている。However, in recent years, synthetic fibers have been increasingly used in stockinette knitting yarns,
Additionally, as the speed of automatic knitting machines increases, the tension applied to the hooks of knitting needles becomes greater.
このため、編針と針床の慴動面との摺動圧も大となり、
編針、針床の摺動面、編針の駆動用の突部の特に根本部
分および編針の編糸接触面の摩耗量が大きくなっている
。For this reason, the sliding pressure between the knitting needles and the sliding surface of the needle bed increases,
The amount of wear on the knitting needles, the sliding surfaces of the needle beds, especially the base portions of the protrusions for driving the knitting needles, and the knitting yarn contact surfaces of the knitting needles is large.
この問題を解決するために、編針の材質として耐摩耗性
の高い超硬合金が使用されている。To solve this problem, cemented carbide, which has high wear resistance, is used as the material for knitting needles.
しかし、超硬合金は耐摩耗性を高くした場合、抗折力が
減少するとの問題があり、耐摩耗性、抗折力ともにすぐ
れた編針が望まれている。However, when cemented carbide has high abrasion resistance, there is a problem in that transverse rupture strength decreases, and knitting needles with excellent abrasion resistance and transverse rupture strength are desired.
■ 発明の目的
本発明の目的は、加工が容易でかつ耐摩耗性、抗折力が
きわめて高い自動編機用の編針を提供することにある。■Object of the Invention An object of the present invention is to provide a knitting needle for an automatic knitting machine that is easy to process and has extremely high wear resistance and transverse rupture strength.
■ 発明の開示 このような目的は、下記の本発明によって達成される。■Disclosure of invention Such objects are achieved by the invention described below.
すなわち、本発明は自動編機に使用する編針において、
基材上にリンおよびホウ素を含有する被覆層を有するこ
とを特徴とする編針である。That is, the present invention provides knitting needles for use in automatic knitting machines.
A knitting needle characterized by having a coating layer containing phosphorus and boron on a base material.
■ 発明の具体的構成 以下、本発明の具体的構成について詳細に説明する。■Specific structure of the invention Hereinafter, a specific configuration of the present invention will be explained in detail.
本発明の編針1は、リンおよびホウ素を含有する所定の
被覆層を基材上に有するものである。The knitting needle 1 of the present invention has a predetermined coating layer containing phosphorus and boron on a base material.
編針1は第1図〜第3図に示されるように、基部2の先
端に、編糸をかけるためのフック3および編糸がフック
3よりはずれるのを防止するタング4を存している。As shown in FIGS. 1 to 3, the knitting needle 1 has a hook 3 at the tip of a base 2 for hanging the knitting yarn and a tongue 4 for preventing the knitting yarn from coming off the hook 3.
また、基部2の上面には、駆動用の突部5を有している
。Further, the upper surface of the base 2 has a protrusion 5 for driving.
さらに、基部2は、針床8.9との摺動を生じる基部背
面摺動部21および基部側面摺動部25を有している。Furthermore, the base 2 has a base rear sliding portion 21 and a base side sliding portion 25 that slide against the needle bed 8.9.
この場合、被覆層は編針lの摺動部の必要箇所に設けら
れていればよい。In this case, the coating layer may be provided at necessary locations on the sliding portion of the knitting needle 1.
すなわち、針床8,9との摺動部である基部背面摺動部
21、基部側面摺動部25、編糸とフック3、タング4
との接触面および編機駆動部との摺動部である駆動用の
突部5の特に根本部分等のうちの必要箇所に被覆層を設
ければよい。That is, the base rear sliding part 21 which is the sliding part with the needle beds 8 and 9, the base side sliding part 25, the knitting yarn and the hook 3, and the tongue 4.
A coating layer may be provided at necessary locations, particularly at the root portion of the drive protrusion 5, which is the contact surface with the knitting machine drive section and the sliding section with the knitting machine drive section.
また、基部側面慴動部25の片側に、編針1を針床の所
定位置で正確に駆動させるための板バネ(図示せず)等
が設けられている場合は、その板バネの摺動部に被覆層
を設けてもよい。In addition, if a leaf spring (not shown) or the like is provided on one side of the base side sliding part 25 to accurately drive the knitting needle 1 at a predetermined position on the needle bed, the sliding part of the leaf spring A coating layer may be provided on the surface.
通常は、上述の各摺動部を含む編針1の全面に被覆層を
設ければよい。Normally, a coating layer may be provided over the entire surface of the knitting needle 1, including each of the above-mentioned sliding parts.
このような編針1の基材材質としては、編針としての形
状加工適正および必要な硬度、抗折度を存するものであ
ればよく、SK材(炭素工具鋼)、SKS材(合金工具
鋼)、超硬合金等であってよい。The base material of such a knitting needle 1 may be any material as long as it has suitable shape processing and necessary hardness and bending strength as a knitting needle, such as SK material (carbon tool steel), SKS material (alloy tool steel), It may be made of cemented carbide or the like.
編針1に設ける被覆層は、ホウ酸およびリンを含有する
。The coating layer provided on the knitting needle 1 contains boric acid and phosphorus.
被覆層中のリン含有量は、被覆層の硬度、耐摩耗性、面
品質の点から、1〜10at%のものが好適である。The phosphorus content in the coating layer is preferably 1 to 10 at% from the viewpoint of hardness, wear resistance, and surface quality of the coating layer.
また、リンおよびホウ素に加え、Siが10〜フOat
%含有されてもよい。In addition to phosphorus and boron, Si
% may be contained.
さらに、C,H,O,N等が5at%以下含有されても
よい。Furthermore, C, H, O, N, etc. may be contained at 5 at% or less.
このような被覆層を編針1の基材上に形成するには、プ
ラズマCVD法によって行うことが好ましい。In order to form such a coating layer on the base material of the knitting needle 1, it is preferable to use a plasma CVD method.
プラズマCVDは、高周波法によっても、またマイクロ
波法によってもよい。Plasma CVD may be performed using a high frequency method or a microwave method.
高周波法に従うときには、1〜30MHz、100W〜
数百にW程度の電力を投入すればよい。When following the high frequency method, 1~30MHz, 100W~
It is sufficient to input several hundred watts of power.
また、マイクロ波法に従うときには、
IGHz 〜10GHz、100〜500W程度の電力
を投入すればよい。Moreover, when following the microwave method, it is sufficient to input power of about 100 to 500 W at IGHz to 10 GHz.
用いる原料ガスとしては必要に応じ種々の成分ガスを用
いるが、BP被覆の場合、82 H6等の水素化ホウ素
、PH3の水素化リンを用い、SiBPwLliの場合
これらに加えてSiH4のシラン系ガスを用いる。Various component gases are used as raw material gases as needed, but in the case of BP coating, boron hydride such as 82H6 and phosphorus hydride of PH3 are used, and in the case of SiBPwLli, in addition to these, silane gas of SiH4 is used. use
そしてキャリヤーとしては、水素、アルゴン、ヘリウム
等、特に水素を用い、原料ガスが所定の量比となるよう
に、反応系内に流入させればよい。As the carrier, hydrogen, argon, helium, or the like, particularly hydrogen, may be used and the raw material gases may be introduced into the reaction system in a predetermined quantitative ratio.
なお、作動圧力はO,l〜1.5Torr程度、基材温
度はBP被覆の場合200〜400℃程度とすればよい
。Note that the operating pressure may be approximately 0.1 to 1.5 Torr, and the substrate temperature may be approximately 200 to 400°C in the case of BP coating.
マタ、パワー密度ハ0. 1〜10 Vl/crr?、
成膜速度は1〜20人/sec程度とすればよい。Mata, power density is 0. 1~10 Vl/crr? ,
The film forming rate may be approximately 1 to 20 people/sec.
このようにして形成された被覆層は、通常非晶質である
。The coating layer thus formed is usually amorphous.
また、形成された被覆層の厚さは3〜7μm程度、より
好ましくは3〜5μm程度である。Further, the thickness of the formed coating layer is about 3 to 7 μm, more preferably about 3 to 5 μm.
被覆層の厚さが3μm未満では本発明の効果が現われず
、また7μmをこえると被覆層の面品質が悪化し、クラ
ック、はがれが発生し易くなる。If the thickness of the coating layer is less than 3 μm, the effect of the present invention will not be achieved, and if it exceeds 7 μm, the surface quality of the coating layer will deteriorate and cracks and peeling will occur easily.
このようにして基材上に形成された被覆層は、耐摩耗性
がきわめて高く、編針1の摺動部を摩耗劣化から保護す
るとともに、編針1の基材金属のもつ形状加工適正、硬
度および抗折度を損なうことがなく、きわめて優れた編
針が可能となる。The coating layer formed on the base material in this way has extremely high wear resistance, protects the sliding part of the knitting needle 1 from wear and deterioration, and also improves the shape processing suitability, hardness, and hardness of the base metal of the knitting needle 1. Extremely excellent knitting needles can be made without impairing the bending strength.
さらに、本発明の編針1と摺動する針床8゜9および駆
動用の突部5と摺動する編機駆動部の慴動面にも、本発
明と同様にリンおよびホウ素を含有する所定の被覆層を
設けることにより、本発明の編針は、その効果をより一
層発揮することができる。Furthermore, the needle bed 8°9 that slides on the knitting needles 1 of the present invention and the sliding surface of the knitting machine drive section that slides on the driving protrusion 5 are also coated with a predetermined material containing phosphorus and boron, as in the present invention. By providing the coating layer, the knitting needle of the present invention can exhibit its effects even more.
■ 発明の具体的作用効果
本発明の自動編機用の編3Fは針床との慴動部、編糸と
の接触面および駆動用の突部等の必要箇所に、耐摩耗性
に優れたリンおよびホウ素を含有する被覆層を有してい
る。■ Specific effects of the invention The knitting 3F for automatic knitting machines of the present invention has excellent abrasion resistance in the necessary parts such as the sliding part with the needle bed, the contact surface with the knitting yarn, and the protrusion for driving. It has a coating layer containing phosphorus and boron.
このため、本発明の自動編機用の編針は、その摺動面の
摩耗劣化がきわめて少ないものとなる。Therefore, the knitting needle for an automatic knitting machine of the present invention has extremely little wear and deterioration of its sliding surface.
また、被覆層の形成は、プラズマCVD法によるため、
基材である編針に過度の高温がかかることもなく、基材
金属のもつ形状加工適正、硬度および抗折度を損なうこ
とがない。In addition, since the coating layer is formed by plasma CVD method,
Excessive high temperatures are not applied to the knitting needles, which are the base material, and the suitability for shape processing, hardness, and bending strength of the base metal are not impaired.
すなわち、本発明の編針は、耐摩耗性と抗折力とを合せ
持った、きわめて優れた編針である。That is, the knitting needle of the present invention is an extremely excellent knitting needle that has both abrasion resistance and transverse rupture strength.
さらに、被覆層と基材金属との密着はきわめて強く、ま
た被覆層の表面性も良好であるため、被覆層の剥れ5編
糸の損傷等はみられない。Further, since the adhesion between the coating layer and the base metal is extremely strong, and the surface property of the coating layer is also good, no peeling of the coating layer or damage to the 5 knitting yarns is observed.
従って、メリヤス丸編機等の自動編機の編針としてきわ
めて有用である。Therefore, it is extremely useful as a knitting needle for automatic knitting machines such as stockinette circular knitting machines.
■ 発明の具体的実施例
以下、本発明の具体的実施例を示し、本発明をさらに詳
細に説明する。(2) Specific Examples of the Invention Hereinafter, specific examples of the present invention will be shown and the present invention will be explained in more detail.
実施例
第1図に示されるような形状のSK材を用いた編針に、
表1に示される条件にてプラズマCVDにより、BP、
5iBPの被覆層を全面に形成したサンプルA、Bを生
成した。Example: A knitting needle made of SK material with a shape as shown in FIG.
By plasma CVD under the conditions shown in Table 1, BP,
Samples A and B were produced in which a 5iBP coating layer was formed on the entire surface.
形成された被″M1層厚は、3μmであり、組成はBP
でP / B = 0.05.5iBPでP / S
i=0.1 、 P/B=0.1の非晶質である。The thickness of the formed M1 layer was 3 μm, and the composition was BP.
P/B = 0.05.5iBP P/S
It is amorphous with i=0.1 and P/B=0.1.
次にサンプルA、Bの作成に用いたものと同様°の編針
を超硬合金製としたものをサンプルまた、サンプルA、
B、Cの作成に用いたSK材製の編針をサンプルDとす
る。Next, samples were prepared using knitting needles made of cemented carbide, similar to those used to create samples A and B.
Sample D is the knitting needle made of SK material used to create B and C.
表 1
(BIJ!m) (siop!I)原料ガス
B2H6,50S(:(:M B2116.50S
C(:MPH3,ISC:CM PH3,2S
(:CMStH,s、11005cc
キャ!7ヤー H2,20O5(:CM 82
,200SC:CM圧 力 0.7
Torr O,7Torr基材
温度 400℃ 400℃パワー密度 0
.817mm2 0.817mm2ブラズ7
13.56MHz 13.58MHz周 波
数
プラズマ 30分間 30分間CVO時
間
サンプルA、B、C,Dを用い、自動編機を200時間
稼動させメリヤス編を行プた場合のサンプルA、B、C
,Dの摺動部(対針床)、フックの摩耗量を表2に示す
。Table 1 (BIJ!m) (siop!I) Raw material gas
B2H6,50S(:(:M B2116.50S
C(:MPH3,ISC:CM PH3,2S
(:CMStH,s, 11005cc Kya! 7 year H2,20O5(:CM 82
,200SC:CM pressure 0.7
Torr O, 7 Torr Base material temperature 400℃ 400℃ Power density 0
.. 817mm2 0.817mm2 Blaz 7
13.56MHz 13.58MHz frequency plasma 30 minutes 30 minutes CVO time Samples A, B, C using automatic knitting machine for 200 hours and stockinette knitting
Table 2 shows the amount of wear on the sliding parts (versus the needle bed) and hooks of , D.
なお、使用したメリヤス編糸はカタン糸である。Note that the stockinette knitting yarn used was Katan yarn.
表 2
A Ol 5±0.1 0.2±
0.1B 0.3±0.1 0.
4±0.IC(比較)1.5±O−21,7±0.4表
2の結果より本発明の効果は明らかである。Table 2 A Ol 5±0.1 0.2±
0.1B 0.3±0.1 0.
4±0. IC (comparison) 1.5±O-21.7±0.4 From the results in Table 2, the effect of the present invention is clear.
第1図および第2図は、本発明の編針の実施例を示す図
である。
第3図は本発明の編針を自動編機に使用した実施例の断
面図である。
符号の説明
1・・・編針、 2・−基部、
21・−基部背面慴動部、
25−基部側面摺動部、 3・−フック、4・−タング
、 5・−駆動用の突部、6・−シリンダー、 7・
−ダイアル、8.9・−針床
FIG、I
F I G、 2
FIG、3FIG. 1 and FIG. 2 are diagrams showing an embodiment of the knitting needle of the present invention. FIG. 3 is a sectional view of an embodiment in which the knitting needle of the present invention is used in an automatic knitting machine. Description of symbols 1...knitting needle, 2--base, 21--base back sliding part, 25--base side sliding part, 3--hook, 4--tang, 5--driving protrusion, 6.-cylinder, 7.
- Dial, 8.9 - Needle bed FIG, I F I G, 2 FIG, 3
Claims (1)
ホウ素を含有する被覆層を有することを特徴とする編針
。A knitting needle for use in an automatic knitting machine, characterized by having a coating layer containing phosphorus and boron on a base material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17995885A JPS6241357A (en) | 1985-08-15 | 1985-08-15 | Knitting needle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17995885A JPS6241357A (en) | 1985-08-15 | 1985-08-15 | Knitting needle |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6241357A true JPS6241357A (en) | 1987-02-23 |
Family
ID=16074937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17995885A Pending JPS6241357A (en) | 1985-08-15 | 1985-08-15 | Knitting needle |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6241357A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0551910U (en) * | 1991-12-10 | 1993-07-09 | 誠 広岡 | Work gloves |
-
1985
- 1985-08-15 JP JP17995885A patent/JPS6241357A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0551910U (en) * | 1991-12-10 | 1993-07-09 | 誠 広岡 | Work gloves |
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