JP4527683B2 - Masking in coating surface treatment on bearing components - Google Patents

Masking in coating surface treatment on bearing components Download PDF

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JP4527683B2
JP4527683B2 JP2006136389A JP2006136389A JP4527683B2 JP 4527683 B2 JP4527683 B2 JP 4527683B2 JP 2006136389 A JP2006136389 A JP 2006136389A JP 2006136389 A JP2006136389 A JP 2006136389A JP 4527683 B2 JP4527683 B2 JP 4527683B2
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masking
surface treatment
coating
bearing
film
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JP2007309348A (en
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保彦 清水
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NTN Corp
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NTN Corp
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/64—Special methods of manufacture
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
    • F16C19/386—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/10—Railway vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/583—Details of specific parts of races
    • F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Chemical Treatment Of Metals (AREA)

Description

この発明は、鉄道車両等に用いられる軸受構成部材への被膜形成表面処理において、その表面処理が不要な箇所を被覆保護するためのマスキング方法とそのマスキング剤に関する。   The present invention relates to a masking method and a masking agent for coating and protecting a portion where the surface treatment is unnecessary in a coating-forming surface treatment for a bearing component used in a railway vehicle or the like.

例えば、鉄道車両の車軸支持用の軸受装置は、図３に示すように、車輪が取付けられた車軸１の端部（ジャーナル部）２を回転自在に支持固定するものであり、転がり軸受１０をジャーナル部２に嵌めてその前後を蓋３、４により密閉した構造である。   For example, as shown in FIG. 3, a bearing device for supporting an axle of a railway vehicle is configured to rotatably support and fix an end (journal portion) 2 of an axle 1 to which a wheel is attached. It is a structure in which the front and rear of the journal portion 2 are sealed with lids 3 and 4.

その転がり軸受１０は、鋼鉄製であって、車軸１の軸方向左右に配置された内輪１１と、その両内輪１１、１１の外側に配置された単一の外輪１２と、その両輪１１、１２の間に保持器１３を介して設けた円錐ころ１４とからなり、前記外輪１２は車体等に固定され、両内輪１１、１１は間座１５を介して前蓋３と後蓋４とで車軸１にその軸方向不動に固定される（特許文献１ 段落００２２〜同００２７、図１参照）。
特開２００３−２５４３４０号公報 The rolling bearing 10 is made of steel, and includes an inner ring 11 arranged on the left and right in the axial direction of the axle 1, a single outer ring 12 arranged on the outer sides of the inner rings 11, 11, and both wheels 11, 12. The outer ring 12 is fixed to a vehicle body or the like, and both inner rings 11 and 11 are connected to the front lid 3 and the rear lid 4 via a spacer 15 to form an axle. 1 is fixed in the axial direction (see Patent Document 1, paragraphs 0022 to 0027, FIG. 1).
JP 2003-254340 A

この軸受装置において、当然なこととして、長期間の使用に耐え得るに十分な耐摩耗性および耐食性が要求される。このため、従来から、その内外輪１１、１２の表面に耐摩耗・耐食性の被膜を形成することが行われている。   Naturally, this bearing device is required to have sufficient wear resistance and corrosion resistance to withstand long-term use. For this reason, conventionally, a wear-resistant and corrosion-resistant film is formed on the surfaces of the inner and outer rings 11 and 12.

その被膜形成表面処理として、化学反応、例えば薬液中への浸漬により、被処理表面にリン酸塩被膜を形成する方法、所謂、パーカー処理や、被処理表面にリン酸マンガン被膜を形成する方法などがある。   As the film formation surface treatment, a chemical reaction, for example, a method of forming a phosphate film on the surface to be treated by immersion in a chemical solution, a so-called Parker treatment, a method of forming a manganese phosphate film on the surface to be treated, etc. There is.

これらの被膜形成表面処理において、通常、図４に示すように、例えば、内輪１１の全表面にその被膜５を形成する。全表面への被膜形成は、内輪１１全体を処理槽に浸ける等だけで良いため、作業性がよい。   In these film forming surface treatments, the film 5 is usually formed on the entire surface of the inner ring 11, for example, as shown in FIG. The formation of the coating on the entire surface only requires the entire inner ring 11 to be immersed in the treatment tank, and therefore the workability is good.

しかし、その処理作業が容易及び安価などの理由から、表面粗さの劣る被膜５、例えば、リン酸マンガン被膜５とすると、その表面粗さが劣ることに起因して、経年により、被膜剥離が生じる。特に、図１および図２に示す内外輪１１、１２の円錐ころ１４の転がり面・すべり面等の摺動面１１ａ、１２ａのリン酸マンガン被膜５は、その円錐ころ１４の摺動により剥離し易く、その被膜剥離が生じると、潤滑材の汚染を招く等の問題が生じる。   However, when the coating 5 has a poor surface roughness, for example, the manganese phosphate coating 5 because the processing operation is easy and inexpensive, the coating peels off due to the deterioration of the surface roughness. Arise. In particular, the manganese phosphate coating 5 on the sliding surfaces 11 a and 12 a of the tapered rollers 14 of the inner and outer rings 11 and 12 shown in FIGS. 1 and 2 is peeled off by the sliding of the tapered rollers 14. When the coating film is peeled off, problems such as contamination of the lubricant occur.

このため、その被膜５を生じさせないように、その摺動面１１ａ、１２ａにマスキングをして被膜形成表面処理を行い、その摺動面１１ａ、１２ａには被膜５を形成しないようにしている。   For this reason, in order not to produce the coating 5, the sliding surfaces 11a and 12a are masked to perform a coating-forming surface treatment, and the coating 5 is not formed on the sliding surfaces 11a and 12a.

そのマスキングは、一般的には、テープを用いたテーピング法、マスキング剤を刷毛やスキージ等で塗布する方法が採用されている。また、セラミック溶射によるマスキング法も提案されている（特許文献２参照）。
特開２００４−８４７９２号公報 For the masking, a taping method using a tape and a method of applying a masking agent with a brush or a squeegee are generally employed. A masking method using ceramic spraying has also been proposed (see Patent Document 2).
JP 2004-84792 A

そのマスキングにおいて、例えば、この種の軸受装置の内輪１１では、図５、図６に示すように、摺動面１１ａを弾性体パッキン７を介してテープ状マスキング材６で被い、そのマスキング材６の両端縁を締め付けバンド８により水密に固定している。その際、図５に示すように、一方の内輪１１のみでマスキングしたり、図６に示すように、両内輪１１、１１を対にしてマスキングしたりする。   In the masking, for example, in the inner ring 11 of this type of bearing device, as shown in FIGS. 5 and 6, the sliding surface 11 a is covered with the tape-shaped masking material 6 via the elastic packing 7, and the masking material is used. Both end edges of 6 are fixed in a watertight manner by fastening bands 8. At that time, as shown in FIG. 5, masking is performed with only one inner ring 11, or as shown in FIG. 6, both inner rings 11, 11 are masked in pairs.

図５、図６に示すテーピングによるマスキングは、内輪１１、外輪１２が複雑な形状であることにより、そのマスキング材（テープ）６の切り貼り等に多くの時間を要するため、コスト面で問題がある。   The masking by taping shown in FIG. 5 and FIG. 6 has a problem in terms of cost because the inner ring 11 and the outer ring 12 have complicated shapes, and it takes a lot of time to cut and paste the masking material (tape) 6. .

また、弾性体パッキン７、マスキング材６、締め付けバンド８の取り付け作業が複雑なために多大な工数を要していた。さらに、マスキング材６と弾性体パッキン７の隙間から、被膜形成表面処理時に処理液が滲入したりする。処理液が滲入すれば、摺動面１１ａにその処理液が付着して被膜５が形成されることとなり、上記の被膜剥離による潤滑材の汚染を招く等の問題が生じる。   Further, since the mounting work of the elastic packing 7, the masking material 6, and the fastening band 8 is complicated, a great number of man-hours are required. Further, the treatment liquid permeates through the gap between the masking material 6 and the elastic packing 7 during the film formation surface treatment. If the treatment liquid permeates, the treatment liquid adheres to the sliding surface 11a and the coating 5 is formed, which causes problems such as contamination of the lubricant due to the above-mentioned peeling of the coating.

マスキング剤の塗布によるマスキングは、従来のマスキング剤は粘度が高く、塗布時における流動性が悪いため、マスキング剤を刷毛等で塗布する際に、厚さむらが発生し、マスキングの厚さが極端に薄かったり、全く未着であったりする部分が発生する。   Masking by applying a masking agent has a high viscosity and poor fluidity during application. Therefore, when the masking agent is applied with a brush or the like, uneven thickness occurs and the masking thickness is extremely large. There are parts that are very thin or have not arrived at all.

また、そのマスキング剤の流動性が悪いことにより、マスキング剤が内輪１１、外輪１２の摺動面１１ａ、１２ａの細部まで行き渡らず、その細部がマスキングされなかったり、マスキング層が薄かったりする場合が多い。   Further, due to the poor flowability of the masking agent, the masking agent may not reach the details of the sliding surfaces 11a and 12a of the inner ring 11 and the outer ring 12, and the details may not be masked or the masking layer may be thin. Many.

そのような薄い・未着部分は、内外輪１１、１２が処理液に浸漬されると、その処理液が至って被膜形成表面処理が行われることとなり、その被膜５の形成により、上記の被膜剥離による潤滑材の汚染を招く等の問題が生じる。   When the inner and outer rings 11 and 12 are immersed in the treatment liquid, the thin and unattached portions are subjected to the treatment liquid surface treatment and the film formation surface treatment is performed. This causes problems such as causing contamination of the lubricant.

そのような厚さむら等をなくすには、そのむらを目視により検査して塗り直す、又は、複数回のマスキング剤の塗り工程を繰り返す等が必要であり、コストアップにつながる。   In order to eliminate such uneven thickness, it is necessary to visually inspect the unevenness and repaint, or to repeat the coating process of the masking agent a plurality of times, leading to an increase in cost.

セラミック溶射によるマスキングは、溶射部先端から見て陰になる部分にはそのセラミック溶射材が至らずにマスキングができず、その部分には、被処理材が処理液に浸ることによって被膜形成表面処理が行われることとなって、同様に、上記の被膜剥離による潤滑材の汚染を招く等の問題が生じる。   Masking by ceramic spraying is not possible because the ceramic sprayed material does not reach the part that is shaded when viewed from the tip of the sprayed part, and the part to be treated is immersed in the treatment liquid to treat the surface of the coating. In the same manner, there arises a problem that the lubricant is contaminated by the above-mentioned film peeling.

ところで、被膜形成表面処理後には、そのマスキング層６を除去する必要がある。このため、例えば、テーピングの場合は、手作業にて順次それらを剥離して除去していた。この手作業による剥離は煩雑であり、コスト的にも高いものであって、改善が望まれている。   By the way, after the film formation surface treatment, it is necessary to remove the masking layer 6. For this reason, for example, in the case of taping, they are sequentially peeled and removed manually. This manual peeling is complicated and expensive, and improvement is desired.

また、セラミックは、物理的及び化学的な安定性が高いため、被膜形成表面処理後、そのマスキング層６の剥離が困難である。   Moreover, since the ceramic has high physical and chemical stability, it is difficult to peel off the masking layer 6 after the film formation surface treatment.

この発明は、このような現状に鑑み、安価にして被膜形成表面処理を行うことを第１の課題とし、その被膜形成表面処理後のマスキング層６の除去を簡単にすることを第２の課題とする。   In view of such a current situation, the present invention has a first problem of performing a film formation surface treatment at a low cost, and a second problem of simplifying the removal of the masking layer 6 after the film formation surface treatment. And

上記第１、第２の課題を解決するため、この発明は、マスキング剤として油性インキを用いることとしたのである。   In order to solve the first and second problems, the present invention uses oil-based ink as a masking agent.

油性インキは、３５０ＣＰＳ程度の低粘度であるため、流動性が高く、刷毛等で塗布した際に、厚さが均一な良好なマスキング層を得ることができる。また、複雑な形状を有する場合、例えば、細部に対しても、低粘度で流動性が高いことから、刷毛等で容易に塗布することができるため、同様に、良好なマスキング層を得ることができる。また、油性インキは、通常、有機溶剤により溶けて、容易に剥離し易い。   Since oil-based ink has a low viscosity of about 350 CPS, it has high fluidity, and when applied with a brush or the like, a good masking layer having a uniform thickness can be obtained. In addition, when it has a complicated shape, for example, it can be easily applied with a brush or the like because it has low viscosity and high fluidity, so that a good masking layer can be obtained similarly. it can. In addition, oil-based inks are usually easily dissolved by being dissolved in an organic solvent.

この発明は、以上のように、マスキング剤として油性インキを用いたので、厚さが均一の良好なマスキングを施すことが可能であって、そのマスキング作業も容易である。また、その油性インキからなるマスキング層は剥離させ易いため、安価にして被膜形成表面処理を行うことができる。   As described above, since the oil-based ink is used as the masking agent in the present invention, it is possible to perform good masking with a uniform thickness, and the masking operation is easy. In addition, since the masking layer made of the oil-based ink is easy to peel off, the film-forming surface treatment can be performed at a low cost.

この発明の実施形態としては、軸受構成部材への被膜形成表面処理におけるマスキング方法において、そのマスキングを油性インキの塗布により行う構成を採用することができる。   As an embodiment of the present invention, it is possible to employ a configuration in which masking is performed by applying an oil-based ink in a masking method in a film-forming surface treatment on a bearing constituent member.

その油性インキには、例えば、トルエン、キシレン、酢酸エチル、酢酸ｎ−プロピル、メチルエチルケトン、４−メチル−２−ペンタノン、イソプロピルアルコール、エタノール、ｎ−プロパノールの一群から選択される１種あるいは数種の成分を有機溶剤として含有するものを採用できる。   Examples of the oil-based ink include one or several kinds selected from the group consisting of toluene, xylene, ethyl acetate, n-propyl acetate, methyl ethyl ketone, 4-methyl-2-pentanone, isopropyl alcohol, ethanol, and n-propanol. What contains a component as an organic solvent is employable.

この油性インキによりマスキングを施した軸受構成部材に被膜形成表面処理を行えば、その処理後、マスキング層を有機溶剤に浸すことにより一括して剥離することが可能である。   If a bearing forming member subjected to masking with this oil-based ink is subjected to a film-forming surface treatment, the masking layer can be peeled off at once by immersing the masking layer in an organic solvent.

この実施例は、図３に示した鉄道車両の車軸支持用の軸受装置の内外輪１１、１２に被膜形成表面処理を行う場合であり、図１に示す内輪１１の摺動面１１ａを除く全表面、及び図２に示す外輪１２の摺動面１２ａを除く全表面にリン酸マンガン被膜５を形成する。   In this embodiment, the inner and outer rings 11 and 12 of the bearing device for supporting the axle of the railway vehicle shown in FIG. 3 are subjected to a coating forming surface treatment, and all of the inner ring 11 except the sliding surface 11a shown in FIG. The manganese phosphate coating 5 is formed on the entire surface except the surface and the sliding surface 12a of the outer ring 12 shown in FIG.

この際のマスキング剤１６は、トルエン、キシレン、酢酸エチル、酢酸ｎ−プロピル、メチルエチルケトン、４−メチル−２−ペンタノン、イソプロピルアルコール、エタノール、ｎ−プロパノールを有機溶剤として含有するマーカーインキであり、例えば、「エスダインプラコートＳＭ−５（積水化学工業（株） 商品名）」を使用する。   The masking agent 16 at this time is a marker ink containing toluene, xylene, ethyl acetate, n-propyl acetate, methyl ethyl ketone, 4-methyl-2-pentanone, isopropyl alcohol, ethanol, n-propanol as an organic solvent, for example, , "Sdyne Placoat SM-5 (Sekisui Chemical Co., Ltd., trade name)" is used.

この油性インキ１６を、図１、図２に示すように、内輪１１の摺動面１１ａ及び外輪１２の摺動面１２ａに刷毛により塗布してマスキングを行う。このとき、この油性インキ１６は、３５０ＣＰＳの低粘度であるため、流動性が高く、その刷毛による塗布は、均一な厚さに行うことができるとともに、細部まで満遍なく行うことができる。このため、摺動面１１ａ、１２ａはその全面が容易かつ確実にマスキングされる。   As shown in FIGS. 1 and 2, the oil-based ink 16 is applied to the sliding surface 11a of the inner ring 11 and the sliding surface 12a of the outer ring 12 with a brush to perform masking. At this time, since the oil-based ink 16 has a low viscosity of 350 CPS, the fluid ink has high fluidity, and the application with the brush can be performed to a uniform thickness and can be performed evenly to the details. Therefore, the entire sliding surfaces 11a and 12a are easily and reliably masked.

このマスキング１６の終了した内輪１１及び外輪１２は、従来と同様に、リン酸マンガン槽に浸漬させ、その内外輪１１、１２の摺動面１１ａ、１２ａを除く全表面にリン酸マンガン被膜５を形成する。   The inner ring 11 and the outer ring 12 after the masking 16 are immersed in a manganese phosphate bath, and the manganese phosphate coating 5 is formed on the entire surface of the inner and outer rings 11 and 12 except for the sliding surfaces 11a and 12a. Form.

その被膜５を水等で洗浄、乾燥した後、その内外輪１１、１２を、有機溶剤であるメタクレン蒸気中に暴露させ、マスキング層（油性インキ）１６の摺動面１１ａ、１２ａとの界面を溶かして、そのマスキング層１６を摺動面１１ａ、１２ａから一括して剥離し、内外輪１１、１２の表面被膜処理を終了する。   After the coating 5 is washed and dried with water or the like, the inner and outer rings 11 and 12 are exposed to an organic solvent, such as methacrylic vapor, so that the interface with the sliding surfaces 11a and 12a of the masking layer (oil-based ink) 16 is exposed. After melting, the masking layer 16 is peeled off collectively from the sliding surfaces 11a and 12a, and the surface coating treatment of the inner and outer rings 11 and 12 is completed.

この実施例は、リン酸マンガン被膜５の表面処理であったが、リン酸塩被膜を形成する表面処理等の他の各種の表面被覆処理において、この発明を採用し得ることは勿論である。   In this example, the surface treatment of the manganese phosphate coating 5 was performed, but the present invention can of course be employed in various other surface coating treatments such as a surface treatment for forming a phosphate coating.

油性インキの塗布は、刷毛によるものに限らず、スキージ、浸積等の周知の種々の手段を採用できる。 The application of the oil-based ink is not limited to a brush, and various known means such as squeegee and immersion can be employed.

また、有機溶剤は、油性インキを溶解するものであれば、特に限定されることなく適用できる。暴露に代えて、溶剤中に対象物（内外輪１１、１２）を直接浸漬することもできる。   The organic solvent is not particularly limited as long as it dissolves oil-based ink. Instead of exposure, the object (inner and outer rings 11, 12) can be directly immersed in a solvent.

この発明は、鉄道車両の車軸支持用の軸受装置に限らず、他の各種の軸受装置、例えば、自動車の車軸支持用の軸受装置等にも、採用できることは勿論である。   The present invention is not limited to a bearing device for supporting an axle of a railway vehicle, but can be applied to other various bearing devices such as a bearing device for supporting an axle of an automobile.

一実施例に係る軸受内輪の要部断面図Sectional drawing of the principal part of the bearing inner ring which concerns on one Example. 同実施例に係る軸受外輪の要部断面図Cross-sectional view of the main part of the bearing outer ring according to the embodiment 鉄道車両の車軸支持用の軸受装置の断面図Cross-sectional view of a bearing device for supporting an axle of a railway vehicle 軸受内輪への被膜形成表面処理の説明断面図Cross-sectional illustration of coating surface treatment on bearing inner ring 軸受内輪への被膜形成表面処理時のマスキング説明用断面図Cross-sectional view for explaining masking during coating surface treatment on bearing inner ring 軸受内輪への被膜形成表面処理時のマスキング説明用断面図Cross-sectional view for explaining masking during coating surface treatment on bearing inner ring

符号の説明Explanation of symbols

５ 表面処理被膜
６ マスキング層
１０ 軸受装置
１１ 軸受内輪
１１ａ 内輪摺動面
１２ 軸受外輪
１２ａ 外輪摺動面
１６ 油性インキ（マスキング層） 5 Surface treatment coating 6 Masking layer 10 Bearing device 11 Bearing inner ring 11a Inner ring sliding surface 12 Bearing outer ring 12a Outer ring sliding surface 16 Oil-based ink (masking layer)

Claims (1)

軸受構成部材（１１、１２）に、トルエン、キシレン、酢酸エチル、酢酸ｎ−プロピル、メチルエチルケトン、４−メチル−２−ペンタノン、イソプロピルアルコール、エタノール、ｎ−プロパノールの一群から選択される１種あるいは数種の成分を有機溶剤として含有する油性インキを塗布してマスキング（１６）を行い、このマスキングを施した上記軸受構成部材に被膜形成表面処理を行った後、前記マスキングを有機溶剤の蒸気中に暴露して一括剥離する、軸受構成部材への被膜形成表面処理方法。 One or more selected from the group consisting of toluene, xylene, ethyl acetate, n-propyl acetate, methyl ethyl ketone, 4-methyl-2-pentanone, isopropyl alcohol, ethanol, and n-propanol on the bearing component (11, 12) Masking (16) is performed by applying an oil-based ink containing a seed component as an organic solvent, and the film-forming surface treatment is applied to the bearing component subjected to the masking, and then the masking is performed in an organic solvent vapor. A film-forming surface treatment method for bearing constituent members that is exposed and peeled off at once .
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JPS61213379A (en) * 1985-03-18 1986-09-22 Tsukiboshi Art Kogyo Kk Formation of pattern on surface of metallic plate
JPH0524374A (en) * 1991-07-19 1993-02-02 Canon Inc Original plate for printing
JPH05312216A (en) * 1992-05-11 1993-11-22 Ntn Corp Manufacture of electrolytic corrosion preventing rolling bearing
JPH11256353A (en) * 1998-03-06 1999-09-21 Keeper Co Ltd Masking band
JP2001116048A (en) * 1999-10-20 2001-04-27 Seiko Instruments Inc Dynamic pressure generating groove-forming method
JP2001309808A (en) * 2000-04-28 2001-11-06 Aida Kagaku Kogyo Kk Decorating method of silver sintered body
JP2003326668A (en) * 2002-05-16 2003-11-19 Fuji Photo Film Co Ltd Plate making method and apparatus
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