JPS58151402A - Method for spheroidizing abrasion resistant alloy - Google Patents
Method for spheroidizing abrasion resistant alloyInfo
- Publication number
- JPS58151402A JPS58151402A JP56170005A JP17000581A JPS58151402A JP S58151402 A JPS58151402 A JP S58151402A JP 56170005 A JP56170005 A JP 56170005A JP 17000581 A JP17000581 A JP 17000581A JP S58151402 A JPS58151402 A JP S58151402A
- Authority
- JP
- Japan
- Prior art keywords
- arc
- abrasion resistant
- powder
- wear
- spheroidizing
- 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.)
- Granted
Links
- 239000000956 alloy Substances 0.000 title claims abstract description 11
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000005299 abrasion Methods 0.000 title abstract 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims abstract description 17
- 239000000843 powder Substances 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims description 3
- 150000002739 metals Chemical class 0.000 abstract description 5
- 229910052707 ruthenium Inorganic materials 0.000 abstract description 5
- 239000012298 atmosphere Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 229910052763 palladium Inorganic materials 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 229910052762 osmium Inorganic materials 0.000 abstract description 3
- 229910052697 platinum Inorganic materials 0.000 abstract description 3
- 229910052721 tungsten Inorganic materials 0.000 abstract description 3
- 229910052741 iridium Inorganic materials 0.000 abstract description 2
- 238000007796 conventional method Methods 0.000 abstract 1
- 230000001678 irradiating effect Effects 0.000 abstract 1
- 239000012300 argon atmosphere Substances 0.000 description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- 238000005773 Enders reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/06—Metallic powder characterised by the shape of the particles
- B22F1/065—Spherical particles
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は耐摩耗性金属の粉末をレーザ光線により球状に
制球する制球方法に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a ball control method for controlling wear-resistant metal powder into a spherical shape using a laser beam.
従業、たとえばべ/の先端に溶接される球状の耐摩耗性
合金の製造方法は、耐摩耗性合金の粉末をアークにより
加熱溶解して制球するもので、電極の消耗が著しく、電
極を頻繁に交換するこ、とを要し、制球工程を自動化す
るのに支障とな帛ていた。The manufacturing method for the spherical wear-resistant alloy that is welded to the tip of a ball, for example, involves heating and melting wear-resistant alloy powder with an arc to control the ball, which results in significant electrode wear and requires frequent use. This required replacement, which was a hindrance to automating the ball control process.
本発明はこの欠点を改良するものである。すなわち1本
発明は
(リ 耐摩耗性金属の粉末をアークにより仮制球し1次
いでレーザ光線を照射して球体にする。The present invention ameliorates this drawback. That is, one aspect of the present invention is to temporarily control wear-resistant metal powder using an arc and then irradiate it with a laser beam to make it into a sphere.
耐摩耗性合金の制球方法(以下、「第一の発明」という
)
お上び
(2)耐摩耗性金属の粉末をバインダーにより製錠し2
次いでレーザ光線を照射して球体にする。耐摩耗性合金
の制球方法(以下、「第二の発明」という)
である。A ball control method using a wear-resistant alloy (hereinafter referred to as the "first invention").
It is then irradiated with a laser beam to form a sphere. This is a ball control method using a wear-resistant alloy (hereinafter referred to as the "second invention").
第一の発明では、耐摩耗性金属の粉末をまず不活性ガス
雰囲気中でアークによシ加熱溶解させて焼結させ仮制球
する。このアークの発生は短時間であるので電極の消耗
は従来の制球に比べて著しく減小し、電極の交換頻度は
著しく減小する。In the first invention, a wear-resistant metal powder is first melted by heating with an arc in an inert gas atmosphere and sintered to temporarily control the ball. Since this arc occurs for a short time, the wear of the electrode is significantly reduced compared to conventional ball control, and the frequency of electrode replacement is significantly reduced.
第二の発明では、耐摩耗性金属の粉末をまずノやイーン
ダーとともに円板状1円柱状などに製錠する。この製錠
にはアークの発生は不要である。In the second invention, a wear-resistant metal powder is first made into a disk-shaped, one-column-shaped, etc. tablet together with a binder and an ender. This tablet making does not require arcing.
次いで、仮制球又は製錠した耐摩耗性合金の粉末に、不
活性ガス雰囲気中でレーザ光線を照射すると加熱溶解し
た耐摩耗性合金は表面張力で球状となる。Next, when the powder of the wear-resistant alloy that has been made into temporary balls or tablets is irradiated with a laser beam in an inert gas atmosphere, the heated and melted wear-resistant alloy becomes spherical due to surface tension.
本発明における耐摩耗性金属は、たとえば次のものであ
る。Examples of wear-resistant metals in the present invention include the following.
Os、IrおよびRu、又はPt、Pd、Ruの1つ又
は2つ以上を添加したもの
Re、RuおよびW、又はそれらにPt、 Pd。Os, Ir, and Ru, or one or more of Pt, Pd, and Ru added. Re, Ru, and W, or Pt, Pd.
Coの1つ又は2つ以上を添加したものRe、 Ru、
OsおよびW、又はそれらにpt。Added one or more of Co, Re, Ru,
Os and W or pt to them.
Pd、Coの1つ又は2つ以上を添加したもの第二の発
明におけるバインダはポリビニルアルコール、コバルト
などが使用できる。As the binder in the second invention, which contains one or more of Pd and Co, polyvinyl alcohol, cobalt, etc. can be used.
レーザ光線l1Nd : YAGレーザ、 Nd”+レ
ーザ。Laser beam l1Nd: YAG laser, Nd''+ laser.
YAGレーザ、近赤外線レーザなどが使用できる。
。YAG laser, near-infrared laser, etc. can be used.
.
次に1本発明の詳細な説明する。Next, one aspect of the present invention will be explained in detail.
実施例1
Os45重量%、Ir35重量%、RulO重1%、P
t 5重量%の耐摩耗性金属の粉末を充分混合し、真
径1m+の半円球状にして耐熱性金属の基台に置き粉末
の上方に電極を位置させた。アルゴン雰囲気中でアーク
電圧250V。Example 1 45% by weight of Os, 35% by weight of Ir, 1% by weight of RulO, P
t 5% by weight of wear-resistant metal powder was thoroughly mixed, formed into a semicircular sphere with a diameter of 1 m+, and placed on a heat-resistant metal base with an electrode positioned above the powder. Arc voltage 250V in argon atmosphere.
アーク電流10Aで、1回目0.6〜0,8秒および約
1’ 0秒後、第2回目0.45秒で耐摩耗性金属の粉
末をアークにより焼結させ仮制球した。At an arc current of 10 A, the wear-resistant metal powder was sintered by the arc at 0.6 to 0.8 seconds and about 1'0 seconds after the first time, and 0.45 seconds during the second time to temporarily control the ball.
次いで、アルゴン雰囲気中で、仮制球した耐摩耗性金属
に出力エネルギー150WのNd:YAGンーザ光#!
(発振器電源および加工光学系ユニットは日本電気■製
のレーザシーム溶接機5L−444を使用した。)を2
.5秒照射して直径0、7 mの球体とした。Next, in an argon atmosphere, a Nd:YAG Nuzza light #! with an output energy of 150W was applied to the temporarily controlled wear-resistant metal.
(The oscillator power supply and processing optical system unit used a laser seam welding machine 5L-444 manufactured by NEC ■.)
.. It was irradiated for 5 seconds to form a sphere with a diameter of 0.7 m.
実施例2 実施例1の耐摩耗性金属の粉末を充分混合し。Example 2 Thoroughly mix the wear-resistant metal powder of Example 1.
孔径1mmの型でプレスして外径1m+n、長さ2■の
円柱状にした。以下、実施例1と同様にして直径0.7
mの球体とした。It was pressed using a mold with a hole diameter of 1 mm to form a cylindrical shape with an outer diameter of 1 m+n and a length of 2 cm. Hereinafter, in the same manner as in Example 1, a diameter of 0.7
It was made into a sphere of m.
実施例3
実施例1の耐摩耗性金属の粉末にポリビニールアルコー
ル1%を添加し充分混合し、孔径0、5 mの型でプレ
スして外径0.5 m +長さ2mの円柱状に製錠した
。次いで、アルゴン雰囲気中で製錠した耐摩耗性金属に
実施例1と同様にレーザ光線を照射して直径0.7 m
の球体とした。Example 3 1% polyvinyl alcohol was added to the wear-resistant metal powder of Example 1, mixed thoroughly, and pressed in a mold with a hole diameter of 0.5 m to form a cylindrical shape with an outer diameter of 0.5 m + length of 2 m. It was made into tablets. Next, a wear-resistant metal tablet made in an argon atmosphere was irradiated with a laser beam in the same manner as in Example 1 to form a tablet with a diameter of 0.7 m.
It was made into a sphere.
本発明の方法は従来のアークによる方法に比べて電極を
使用せず、又は電極を使用してもその消耗が著しく減小
し、製法工程を自動化でき。Compared to conventional arc-based methods, the method of the present invention does not use electrodes, or even if electrodes are used, their consumption is significantly reduced, and the manufacturing process can be automated.
しかも本発明の方法で製造された球体はアークにより製
造された球体に比べて真球度を向上でき、ペン先におけ
る溶接を容易にすることができる。Moreover, the spheres manufactured by the method of the present invention can have improved sphericity compared to spheres manufactured by arcing, and can be easily welded at the pen tip.
Claims (2)
9次いでレーザ光線を照射して球体にする。 耐摩耗性合金の制球方法。(1) Powder of wear-resistant metal is temporarily controlled by an arc and then irradiated with a laser beam to form a sphere. Ball control method using wear-resistant alloys.
いでレーザ光線を照射して球体にする。 耐摩耗性合金の制球方法。(2) The powder of the wear-resistant alloy is made into a tablet using a binder and then irradiated with a laser beam to form a sphere. Ball control method using wear-resistant alloys.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56170005A JPS58151402A (en) | 1981-10-26 | 1981-10-26 | Method for spheroidizing abrasion resistant alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56170005A JPS58151402A (en) | 1981-10-26 | 1981-10-26 | Method for spheroidizing abrasion resistant alloy |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58151402A true JPS58151402A (en) | 1983-09-08 |
JPH0128081B2 JPH0128081B2 (en) | 1989-06-01 |
Family
ID=15896817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56170005A Granted JPS58151402A (en) | 1981-10-26 | 1981-10-26 | Method for spheroidizing abrasion resistant alloy |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58151402A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6333507A (en) * | 1986-07-24 | 1988-02-13 | Mitsubishi Metal Corp | Method and apparatus for producing fine spheroidal powder |
JPH0466603A (en) * | 1990-07-06 | 1992-03-03 | Nippon Steel Corp | Production of fine metal ball |
CN104889384A (en) * | 2015-06-10 | 2015-09-09 | 深圳市威勒达科技开发有限公司 | W-Re composite powder material and preparation method thereof |
-
1981
- 1981-10-26 JP JP56170005A patent/JPS58151402A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6333507A (en) * | 1986-07-24 | 1988-02-13 | Mitsubishi Metal Corp | Method and apparatus for producing fine spheroidal powder |
JPH0466603A (en) * | 1990-07-06 | 1992-03-03 | Nippon Steel Corp | Production of fine metal ball |
CN104889384A (en) * | 2015-06-10 | 2015-09-09 | 深圳市威勒达科技开发有限公司 | W-Re composite powder material and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
JPH0128081B2 (en) | 1989-06-01 |
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