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KR940010303B1 - Powdery lubricant for aluminum alloy forging - Google Patents

Powdery lubricant for aluminum alloy forging Download PDF

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Publication number
KR940010303B1
KR940010303B1 KR1019910023475A KR910023475A KR940010303B1 KR 940010303 B1 KR940010303 B1 KR 940010303B1 KR 1019910023475 A KR1019910023475 A KR 1019910023475A KR 910023475 A KR910023475 A KR 910023475A KR 940010303 B1 KR940010303 B1 KR 940010303B1
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KR
South Korea
Prior art keywords
compound
lubricant
aluminum alloy
resin
powder
Prior art date
Application number
KR1019910023475A
Other languages
Korean (ko)
Other versions
KR930002489A (en
Inventor
다까시 하나노
Original Assignee
하나노 쇼오지 가부시기가이샤
하나노 히로시
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Publication of KR930002489A publication Critical patent/KR930002489A/en
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Publication of KR940010303B1 publication Critical patent/KR940010303B1/en

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    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
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    • C10M3/00—Liquid compositions essentially based on lubricating components other than mineral lubricating oils or fatty oils and their use as lubricants; Use as lubricants of single liquid substances
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    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
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  • Forging (AREA)

Abstract

내용 없음.No content.

Description

알루미늄 합금 단조용 분말 윤활제Powder lubricant for aluminum alloy forging

본 발명은 알루미늄 합금의 냉간(冷間), 온간(溫間) 또는 열간(熱間)에서의 작업에 있어서 통상의 본무법이나 정전식(靜電式) 분무법으로 금형에 취부(吹付)하거나 알루미늄 합금에 취부하여 사용하는 알루미늄 합금 단조용(鍛造用) 분말 윤활제에 관한 것이다.In the present invention, in the cold, warm or hot work of an aluminum alloy, it is attached to a mold by a normal main method or an electrostatic spraying method, or an aluminum alloy The present invention relates to a powder lubricant for aluminum alloy forging used in the forging.

단조품은 항공기, 자동차, 전기기기등의 각종 부품으로서 많이 이용되고 있으나, 이 부품의 재료는 경량화의 요청에 따라 철로부터 경합금으로 이행해가지고 있는데, 예를 들자면 알루미늄 합금이 사용되고 있는 형편이다. 단조작업에 있어서는 금형과 재료와의 사이에 윤활제 또는 윤활유를 개재시킴으로써 양자가 용착(熔着)을 방지하여 단조품이 금형으로부터 잘 이형(離形) 되도록하고 있다.Forged products are widely used in various parts such as aircraft, automobiles, and electrical equipment, but the materials of these parts have been shifted from iron to light alloys upon request for weight reduction. For example, aluminum alloys are used. In the forging operation, a lubricant or lubricating oil is interposed between the mold and the material to prevent welding of both, so that the forged product is easily released from the mold.

알루미늄 합금 단조용 윤활제로서는 일반적으로 흑연이 첨가된 유용성(油溶性)윤활제와 합성 에스테르, 시리콘 오일, 흑연, 극압부가제(極壓付加劑) 및 계면 활성제로 된 수용성 윤활제가 사용되고 있다.As lubricants for forging aluminum alloys, oil-soluble lubricants containing graphite and water-soluble lubricants made of synthetic esters, silicone oils, graphite, extreme pressure additives, and surfactants are generally used.

그러나, 근래에 와서 각종 부품의 경량화가 추진되어 알루뮤님 합금 단조 기술의 진보에 부응하면서부터 고품질의 제품을 보다 양호한 작업성으로 제조하기 위한 윤활제가 요망되게 되었다. 그리고, 종래의 윤활제에서는 이와 같은 요망을 만족시킬 수가 없었다. 즉, 유용성 윤활제는 발연(發煙), 작업장의 오염, 인화성의 위험 등의 문제가 있고, 수용성 윤활제에서는 사용후의 수질 오탁 방지를 위한 폐수처리를 필요로 하며, 그 설비투자 등의 여러 가지 경비를 필요로 한다는 문제가 있었다. 따라서 새로운 형태의 알루미늄 합금 단조용 윤활제가 강력히 요망되게 되었다.However, in recent years, the weight reduction of various parts has been promoted, and in order to meet the advances in the aluminum alloy forging technology, a lubricant for manufacturing high quality products with better workability has been desired. And the conventional lubricant could not satisfy such a request. In other words, oil-soluble lubricants have problems such as fuming, workplace contamination, and flammability, and water-soluble lubricants require wastewater treatment to prevent water pollution after use, and various expenses such as equipment investment are required. There was a problem. Thus, a new type of forging lubricant for aluminum alloys is strongly desired.

본 발명은 위와 같은 점을 감안하여 예의 연구하여 여러 가지 계통적 실험을 한 결과 완성된 것으로서 알루미늄 합금단조작업에 있어서 환경을 악화시킴이 없이 보다 고품질의 단조품을 보다 양호한 작업성으로 제조하는데 사용할 수 있는 알루미늄 합금 단조용 윤활제를 제공함을 목적으로 한다.The present invention has been completed as a result of a number of systematic experiments in earnest research in view of the above points, aluminum that can be used to produce a higher quality forging with better workability without deteriorating the environment in aluminum alloy forging work It is an object to provide a lubricant for forging alloys.

본 발명의 알루미늄 합금 단조용 분말 윤활제는 고체 상태에서 윤활제로서 사용되는 무기 화합물로 된 분말상 또는 과립상 윤활제 기재와 윤활재 기재에 부착성을 부여하는 유기 화합물을 혼합해서 되는 윤활제로서 이들 두가지 모두가 분말상 또는 과립상의 형태를 가지거나 윤활제 기재가 유기 화합물로 피복된 형태를 가짐을 특징으로 하는 것이다.The powdered lubricant for aluminum alloy forging of the present invention is a lubricant obtained by mixing a powdered or granular lubricant base material of an inorganic compound used as a lubricant in a solid state with an organic compound imparting adhesion to the lubricant base material, both of which are powdered or It is characterized in that it has a granular form or the lubricant base material is coated with an organic compound.

본 발명의 최대의 특징은 윤활제의 기재가 분말상 또는 과립상의 형태를 가진다는 것이다.The biggest feature of the present invention is that the base of the lubricant has a powder or granular form.

그리고, 유기화합물의 무기 화합물에 대한 함유 비율은 0.1∼50중량%의 범위내에서 선택하는 것이 유효하다. 0.1중량%보다 적으면 무기 화합물의 금형내면에 대한 부착효과가 충분히 나타나지 않고, 50중량%이상이면 발연, 빌드 업(build-up)이 발생하여 단조품을 금형에서 끄집어 내기 어렵게 되어, 즉 윤활효과가 나빠지거나 제품의 칫수 정밀도가 불량하게 되거나 한다.And it is effective to select the content rate of an organic compound with respect to the inorganic compound in 0.1-50 weight%. If less than 0.1% by weight, the adhesion effect of the inorganic compound to the mold inner surface is not sufficiently exhibited. If it is more than 50% by weight, smoke and build-up occur, making it difficult to pull the forged product out of the mold. It may deteriorate or the dimensions of the product may be poor.

본 발명에서 사용할 수 있는 윤활제 기재는 고체로서 윤활제로 사용되는 무기 화합물이면 제한은 없다. 일반적으로, 질화붕소 플루오르화물, 탈크, 운모, 금속 산화물, 질화 규소, 붕소 화합물, 황 화합물, 인 화합물이 바람직하게 사용할 수 있는데 그 밖에 종래부터 윤활제로서 사용되고 있는 공지의 고체 윤활제, 예를들자면, 흑연, 이황화 몰리브덴 등도 사용할 수가 있다. 그리고, 이들 무기 화합물은 분말상 또는 과립상의 형태로서 한가지만 사용하거나 두가지 이상을 조합하여 사용한다.The lubricant base material that can be used in the present invention is not limited as long as it is an inorganic compound used as a lubricant as a solid. In general, boron nitride fluoride, talc, mica, metal oxide, silicon nitride, boron compound, sulfur compound, phosphorus compound may be preferably used, and other known solid lubricants conventionally used as lubricants, for example, graphite, Molybdenum disulfide etc. can also be used. In addition, these inorganic compounds are used either alone or in combination of two or more in powder or granular form.

또한, 본 발명에서 사용할 수 있는 유기 화합물은 위에 나온 무기 화합물에 부착성, 전착성(轉着性)을 부여하는 성질을 가진 것이면 특히 제한은 없다. 일반적으로, 금속비누, 고분자 화합물 및 액상 또는 페이스트상의 화합물을 사이클록덱스트린 화합물에 의하여 분말상 또는 과립상으로 한 것이 바람직하게 사용된다. 금속 비누로서는 카르복실산 골격에 나트륨, 칼슘, 알루미늄, 바륨, 리튬, 칼륨, 마그네슘 또는 아연을 부가해서 된 것이고, 또한 고분자 화합물로서는 폴리에틸렌, 폴리프로필렌, 에폭시 수지, 규소 수지, 천연 왁스류, 페놀 수지, 아크릴 수지, 알키드 수지, 우레탄 수지, 스티렌 수지 또는 불소 수지가 사용되고, 또한 액상 또는 페이스트상 화합물로서는 합성 에스테르류, 천연 유지류, 광물유류, 실리콘 오일, 폴리페닐에테르, 폴리알킬렌 글리콜, 또는 에틸렌-플로필렌 공중합체가 특히 바람직하게 사용된다. 그리고, 이들 유기화합물은 분말상 또는 과립상의 형태로서 윤활제 기재와 혼합되거나 가열 용융된 상태에서 윤활제 기재와 혼합된다. 따라서, 본 발명의 윤활제는 윤활제 기재와 유기 화합물에 양쪽이 분말상 또는 과립상의 형태를 가지거나 분말상 또는 과립상의 윤활제 기재가 유기 화합물에 의하여 피복된 형태를 가진 것으로 된다. 그런데 유기 화합물은 위에 나온 화합물의 한가지만 또는 두가지 이상을 조합하여 사용하게 된다. 금속 비누와 고분자 화합물과 분말화된 액상 또는 페이스트상 화합물을 조합하여 사용해도 좋다.In addition, the organic compound which can be used in the present invention is not particularly limited as long as it has a property of imparting adhesion and electrodeposition properties to the inorganic compound described above. Generally, a metal soap, a high molecular compound and a liquid or paste-like compound are preferably used in the form of powder or granules by the cyclodextrin compound. As the metal soap, sodium, calcium, aluminum, barium, lithium, potassium, magnesium, or zinc was added to the carboxylic acid skeleton, and as the polymer compound, polyethylene, polypropylene, epoxy resin, silicon resin, natural waxes, phenol resins , Acrylic resins, alkyd resins, urethane resins, styrene resins or fluorine resins are used, and as liquid or paste-like compounds, synthetic esters, natural fats and oils, mineral oils, silicone oils, polyphenyl ethers, polyalkylene glycols, or ethylene- Plopropylene copolymers are particularly preferably used. In addition, these organic compounds are mixed with the lubricant substrate in the form of powder or granules or mixed with the lubricant substrate in a heat-melted state. Therefore, the lubricant of the present invention has a form in which both the lubricant substrate and the organic compound have a powder or granular form, or the powder or granular lubricant substrate is coated by the organic compound. However, the organic compound may be used alone or in combination of two or more of the above compounds. You may use combining metal soap, a high molecular compound, and the powdered liquid or paste form compound.

본 발명의 알루미늄 합금 단조용 분말 윤활제는 적어도 윤활제 기재가 분말상 또는 과립상의 형태를 가지고 있기 때문에 단조 작업중 열이 가해지더라도 분해하기 어렵고 금형으로부터 단조품을 끄집어 내기가 용이하게 되며 단조품 내부의 가스 함입이 방지되어 칫수 정밀도나 제품 품질이 향상된다.The powdered lubricant for aluminum alloy forging of the present invention is difficult to disassemble even when heat is applied during the forging operation because the lubricant base material has a powder or granular form, and it is easy to pull out the forging from the mold and prevent the gas intrusion inside the forging. Dimension accuracy and product quality are improved.

또한, 본 발명의 윤활제는 분말상 또는 과립상의 형태를 가지고 있어 수분을 함유하고 있지 않고 때문에 수용성 윤활제와 같이 사용후에 수질을 오염시킬 일은 없으며, 또한 유용성 윤활제와 같이 작업 환경을 오염시키는 일도 없다. 따라서, 폐수 처리를 위한 설비와 환경 악화 방지를 위한 경비는 필요없게 된다. 더욱이 본 발명의 윤활제는 유성(油性)의 것을 함유하고 있지 않기 때문에 발연, 화재 등의 위험성은 없고 안정성도 문제없다.In addition, since the lubricant of the present invention has a powder or granular form and does not contain water, it does not contaminate water quality after use like water-soluble lubricants, nor does it contaminate the working environment like oil-soluble lubricants. Thus, there is no need for equipment for wastewater treatment and expenses for preventing environmental degradation. Furthermore, since the lubricant of the present invention does not contain oily substances, there is no risk of smoke, fire, or the like, and stability is also not a problem.

그리고, 본 발명의 윤활제는 적어도 윤활제 기재가 분말상 또는 과립상의 형태를 가지고 있기 때문에 윤활제가 부착된 금형내면의 부분에서는 재료(알루비늄 합금)와 금형내면이 확실히 적어도 윤활제 기재의 분말 또는 과립의 입자 크기 만큼 사이를 가지게 된다. 따라서, 윤활제가 금형 내면에 구석구석까지 부착됨으로써 재료와 금형 내면과의 집접 접촉이 방지되고, 소성 변형(塑性變形) 시에 있어서 용착(熔着)이 방지되며, 더욱이 금형의 마찰이 방지되어 작업성이 향상된다.In addition, since the lubricant of the present invention has at least a lubricant or powdery or granular form, the material (alubinium alloy) and the mold inner surface of the mold inner surface with the lubricant are sure to have at least the particles of the powder or granules of the lubricant substrate. It will have a size between. Therefore, the lubricant is attached to the inner surface of the mold to every corner to prevent intimate contact between the material and the inner surface of the mold, to prevent welding during plastic deformation, and to prevent the friction of the mold. Sex is improved.

본 발명에 의하면 무기 화합물로 된 윤활제 기재와 유기 화합물과의 혼합물로된 알루미늄 합금 단조용 윤활제를 적어도 윤활제 기재가 분말상 또는 과립상의 형태를 가지는 것으로 하였기 때문에 소성 변형시에 있어서의 알루미늄 합금의 변형율을 저하시킬 수 있고 용착을 방지할 수 있으며 고품질의 단조품을 얻을 수가 있고, 더욱이 사용중과 사용후에 있어서의 환경의 악화를 충분히 방지할 수가 있다.According to the present invention, since the lubricant base material has at least a powdery or granular form of a lubricant for forging an aluminum alloy comprising a mixture of a lubricant base material of an inorganic compound and an organic compound, the strain rate of the aluminum alloy during plastic deformation is reduced. It is possible to make it possible to prevent welding, to obtain a forged product of high quality, and to further prevent the deterioration of the environment during use and after use.

특히, 유기 화합물의 무기 화합물에 대한 함유 비율을 0.1∼50중량% 범위로 함으로써 제조되는 단조품의 품질을 보다 양호한 것으로 할 수가 있다. 더욱이, 무기 화합물로서는 질화붕소, 플루오르화물, 탈크, 운모, 금속 산화물, 질화 규소, 붕소 화합물, 황 화합물, 인 화합물을, 그리고 유기 화합물로서는 카르복실산 골격에 나트륨, 칼슘, 알루미늄, 바륨, 리튬, 칼륨, 마그네슘 또는 아연을 부가하여서 된 금속 비누나, 폴리에틸렌, 폴리프로필렌, 에폭시 수지, 규소 수지, 천연 왁스류, 페놀 수지, 아크릴 수지, 알키드 수지, 우레탄 수지, 스티렌 수지 또는 불소 수지인 고분자 화합물이나, 합성 에테르류, 천연 유지류, 광물유류, 실리콘 오일, 폴리페닐에테르, 폴리알킬렌글리콜 또는 에틸렌-프로필렌 공중합체인 액상 또는 페이스트상의 화합물을 사이클로덱스트린 화합물에 의해 분말상 또는 과립상으로 한 것을 사용함으로써 상기 효과를 보다 양호하게 발휘할 수 있다. 그리고, 위에 나온 무기 화합물과 유기 화합물 중에서 각각 두가지 이상의 것을 조합하여 사용함으로써 단조 작업에 있어서 보다 가장 적절하게 사용할 수 있는 윤활제를 제조할 수가 있다.In particular, the quality of the forged product produced can be made better by setting the content ratio of the organic compound to the inorganic compound in the range of 0.1 to 50% by weight. Furthermore, as the inorganic compound, boron nitride, fluoride, talc, mica, metal oxide, silicon nitride, boron compound, sulfur compound, phosphorus compound, and organic compound are sodium, calcium, aluminum, barium, lithium, potassium in the carboxylic acid skeleton. Metal soaps by adding magnesium, zinc, polyethylene, polypropylene, epoxy resins, silicon resins, natural waxes, phenol resins, acrylic resins, alkyd resins, urethane resins, styrene resins, or fluorine resins; The above-mentioned effects are obtained by using a liquid or paste compound, which is an ether, a natural fat, a mineral oil, a silicone oil, a polyphenylether, a polyalkylene glycol, or an ethylene-propylene copolymer, in the form of powder or granules by a cyclodextrin compound. It can be exhibited favorably. And by using two or more of each of the above-mentioned inorganic compounds and organic compounds in combination, it is possible to produce a lubricant that can be used most appropriately in forging operations.

[실시예]EXAMPLE

이하, 본 발명에 실시예를 나타내지만 본 발명은 이 실시예에 한정되는 것은 아니다. 아래에 나오는 (A)-(G)의 윤활제를 개조하고, 이들 윤활제를 사용하여 단조법에 의한 알류미늄 합금의 단조를 실시하여 표 1에 있는 각 항목에 대하여 비교 검토하였다. 그리고, 사용된 합금은 JIS 2014 고력(高力)합금이었고, 단조 온도는 390℃이었으며, 윤활제는 정전(靜電) 스프레이법에 의하여 스프레이하였다. 본 발명의 실시예인 (A)-(D)의 혼합물로서는 사용하는 유기 화합물을 분말상 또는 과립상의 형태로 무기 화합물에 혼합한 것과 가열 용융한 상태에서 무기 화합물에 혼합한 것의 두가지를 제조하고 각각에 대하여 검토하였으나 결과는 양자 모두 같았다. 그리고 (D)의 유기 화합물로서는 천연 유지를 사이클로덱스트린 화합물을 사용하여 실험적 수법으로 분말화한 것을 사용하였는데 기타의 화합물은 시판품의 것이다.Hereinafter, although an Example is shown in this invention, this invention is not limited to this Example. The lubricant of (A)-(G) shown below was remodeled, the aluminum alloy by the forging method was forged using these lubricants, and each item of Table 1 was compared and examined. The alloy used was JIS 2014 high strength alloy, the forging temperature was 390 ° C, and the lubricant was sprayed by the electrostatic spray method. As the mixture of (A)-(D), which is an embodiment of the present invention, two kinds of organic compounds used are mixed with inorganic compounds in powder or granular form, and those mixed with inorganic compounds in a heat-melted state. The results were the same in both cases. As the organic compound of (D), one obtained by powdering a natural fat or oil by an experimental method using a cyclodextrin compound was used. Other compounds are commercially available products.

(A) 운모(평균 입도6μ) 90부와 폴리에틸렌 10부와 혼합물로 된 본 발명의 실시예1.(A) Example 1 of the present invention consisting of a mixture of 90 parts of mica (average particle size 6μ) and 10 parts of polyethylene.

(B) 질화 붕소 10부, 운모 60부, 스테아르산 칼슘 30부의 혼합물로 된 본 발명의 실시예 2.(B) Example 2 of the present invention consisting of a mixture of 10 parts of boron nitride, 60 parts of mica, and 30 parts of calcium stearate.

(C) 탈크 70부, 질화규소 10부, 천연 왁스 10부, 스테아르산 아연 10부의 혼합물로 된 본 발명의 실시예 3.(C) Example 3 of the present invention comprising a mixture of 70 parts of talc, 10 parts of silicon nitride, 10 parts of natural wax, and 10 parts of zinc stearate.

(D) 질화 붕소 20부, 탈크 60부, 붕산 나트륨 5부, 분말의 천연유지 15부의 혼합물로 된 본 발명의 실시예 4.(D) Example 4 of the present invention, which is a mixture of 20 parts of boron nitride, 60 parts of talc, 5 parts of sodium borate, and 15 parts of natural fat of powder.

(E) 질화붕소 단독(비교예 1).(E) Boron nitride alone (Comparative Example 1).

(F) 광물유, 천연유지, 흑연으로 된 시판품인 단조용 윤활제(비교예 2).(F) Forging lubricant which is a commercial item made of mineral oil, natural fats and oils (Comparative Example 2).

(G) 카르복실산염, 합성왁스, 극압(極壓) 부가제, 계면 활성제로 된 시판품인 단조용 윤활제(비교예 3).(G) Forging lubricant which is a commercial item which consists of carboxylate, synthetic wax, extreme pressure addition agent, and surfactant (comparative example 3).

Claims (7)

고체 윤활제로 사용되는 무기 화합물로 된 분말상 또는 과립상의 윤활제 기재와 이 윤활제 기재에 부착성을 부여하는 유기화합물을 혼합해서 되는 윤활제로서 양자 모두 분말상 또는 과립상의 형태를 가지거나 윤활제 기재가 유기 화합물로 피복된 형태를 가지고 있음을 특징으로 하는 알루미늄 합금 단조용 분말 윤활제.A lubricant obtained by mixing a powdered or granular lubricant base material of an inorganic compound used as a solid lubricant with an organic compound which imparts adhesion to the lubricant base material, both of which have a powdery or granular form or the lubricant base material is coated with an organic compound. Lubricating powder for aluminum alloy, characterized in that it has a modified form. 제 1 항에 있어서, 유기 화합물을 무기 화합물에 대하여 0.1∼50중량%의 비율로 함유한 알루미늄 합금 단조용 분말 윤활제.The powder lubricant for aluminum alloy forging according to claim 1, wherein the organic compound is contained in an amount of 0.1 to 50% by weight relative to the inorganic compound. 제 1 항에 있어서, 무기 화합물로서는 질화 붕소, 플루오르화물, 탈크, 운모, 금속 산화물, 질화 규소, 붕소 화합물, 황 화합물, 인 화합물 중에서 한가지 이상을 사용하는 알루미늄 합금 단조용 분말 윤활제.The powder lubricant for aluminum alloy forging according to claim 1, wherein at least one of boron nitride, fluoride, talc, mica, metal oxide, silicon nitride, boron compound, sulfur compound, and phosphorus compound is used as the inorganic compound. 제 1 항에 있어서, 유기 화합물로서는 복수 종류의 금속비누, 복수 종류의 고분자 화합물, 액상 또는 페이스트상의 화합물로서 사이클로텍스트린 화합물에 의하여 분말상 또는 과립상으로 한 것들 중에서 한가지 이상을 사용하는 알루미늄 합금 단조용 분말 윤활제.The forging of an aluminum alloy according to claim 1, wherein the organic compound is one of a plurality of metal soaps, a plurality of high molecular compounds, a liquid or paste compound, and at least one of powdered or granulated ones by a cyclotextine compound. Powder lubricant. 제 4 항에 있어서, 금속 비누는 카르복실산 골격에 나트륨, 칼슘, 알루미늄, 바륨, 리튬, 칼륨, 마그네슘 또는 아연을 부가하여 된 것인 알루미늄 합금 단조용 분말 윤활제.The powder lubricant for aluminum alloy forging according to claim 4, wherein the metal soap is obtained by adding sodium, calcium, aluminum, barium, lithium, potassium, magnesium or zinc to the carboxylic acid skeleton. 제 4 항에 있어서, 고분자 화합물은 폴리에틸렌, 폴리프로필렌, 폴리알킬렌, 에폭시 수지, 규소 수지, 천연 왁스류, 페놀 수지, 아크릴 수지, 알키드 수지, 우레탄 수지, 스티렌 수지, 또는 불소 수지인 알루미늄 합금 단조용 분말 윤활제.The aluminum alloy of claim 4, wherein the polymer compound is polyethylene, polypropylene, polyalkylene, epoxy resin, silicon resin, natural wax, phenol resin, acrylic resin, alkyd resin, urethane resin, styrene resin, or fluorine resin. Quiet powder lubricant. 제 4 항에 있어서, 액상 또는 페이스트상의 화합물은 합성 에스테르류, 천연유지류, 광물유류, 실리콘 오일, 폴리페닐에테르, 폴리알킬렌 글리콜 또는 에틸렌-프로필렌 공중합체인 알루미늄 합금 단조용 분말 윤활제.The powder lubricant for aluminum alloy according to claim 4, wherein the liquid or paste-like compound is a synthetic ester, natural oils, minerals, silicone oils, polyphenylethers, polyalkylene glycols or ethylene-propylene copolymers.
KR1019910023475A 1991-07-17 1991-12-19 Powdery lubricant for aluminum alloy forging KR940010303B1 (en)

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