JP2003211441A - Molding processing apparatus - Google Patents
Molding processing apparatusInfo
- Publication number
- JP2003211441A JP2003211441A JP2002008149A JP2002008149A JP2003211441A JP 2003211441 A JP2003211441 A JP 2003211441A JP 2002008149 A JP2002008149 A JP 2002008149A JP 2002008149 A JP2002008149 A JP 2002008149A JP 2003211441 A JP2003211441 A JP 2003211441A
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- alloy
- resin
- screw
- corrosion
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/505—Screws
- B29C48/507—Screws characterised by the material or their manufacturing process
- B29C48/509—Materials, coating or lining therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、腐食性を有する樹
脂を成形加工する装置に関するものである。更に詳しく
は、スクリュまたはこれに加えてシリンダを備え、該シ
リンダを通して腐食性樹脂を射出または押出して成形加
工する装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for molding a corrosive resin. More specifically, the present invention relates to an apparatus that includes a screw or a cylinder in addition to the screw, and injects or extrudes a corrosive resin through the cylinder to perform a molding process.
【０００２】[0002]
【従来の技術】一般に射出成形機や押出機のシリンダ
は、シリンダに内蔵されたスクリュと接触による摩耗、
触媒の残渣や有機系添加剤等の分解による腐食成分の生
成による腐食を受ける。特に、フッ素樹脂は融点以上の
高温では若干分解して、ＨＦなど活性なガスを発生す
る。このガスは金属に対して腐食性が高く、溶融状態に
て成型あるいは溶融混練する射出成形機や押出機におい
ては、シリンダやスクリュが通常の鋼の場合には容易に
腐食して金属スケールが生成され、これが表面から剥離
して異物として樹脂中に混入して樹脂の品質を低下させ
る問題がある。そこで、シリンダ材には耐食性の高いハ
ステロイ（商標）のようなＮｉ基耐食材料が用いられて
いる。2. Description of the Related Art Generally, a cylinder of an injection molding machine or an extruder has wear due to contact with a screw incorporated in the cylinder,
Corrosion occurs due to the generation of corrosive components due to decomposition of catalyst residues and organic additives. In particular, the fluororesin slightly decomposes at a temperature higher than the melting point to generate an active gas such as HF. This gas is highly corrosive to metals, and in injection molding machines and extruders that are molded or melt-kneaded in the molten state, if the cylinder and screw are ordinary steel, they easily corrode and form metal scale. However, there is a problem in that this peels off from the surface and mixes into the resin as foreign matter, degrading the quality of the resin. Therefore, a Ni-based corrosion resistant material such as Hastelloy (trademark) having high corrosion resistance is used for the cylinder material.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、樹脂材
料が高機能化するにつれて、フッ素樹脂の中でも光ファ
イバのような発塵の濃度（数百ｐｐｂ以下）および発塵
サイズ（数百ｎｍ以下）が非常に厳しい種類のフッ素樹
脂成形に使用された場合には、たとえ溶融樹脂を供給し
ていても、従来用いられていたＮｉ基耐食合金ではスク
リュとシリンダの接触により発生する摩耗粉や腐食スケ
ールがコンタミネーションになり、発塵の許容値を満足
できなかった。一方、腐食や摩耗に極めて強いセラミッ
クをシリンダとして使用することも可能であるが、強度
的に問題がある。However, as the resin material is highly functionalized, the concentration of dust generation (several hundreds of ppb or less) and the dust generation size (several hundreds nm or less) of the fluororesin, among the fluororesins, are increased. When used in the extremely strict type of fluororesin molding, even if molten resin is supplied, the Ni-based corrosion-resistant alloy that has been used in the past does not generate wear powder or corrosion scale generated by the contact between the screw and cylinder. Contamination occurred and the permissible value of dust generation was not satisfied. On the other hand, it is possible to use a ceramic that is extremely resistant to corrosion and wear as a cylinder, but there is a problem in strength.
【０００４】本発明は、このような従来技術課題に鑑み
てなされたものであり、腐食性樹脂を成形加工する際の
コンタミネーションを軽減して、発塵に対する厳しい要
求に応えることができる成形加工装置を提供することを
目的とする。The present invention has been made in view of such conventional technical problems, and it is possible to reduce the contamination at the time of molding and processing a corrosive resin and to meet a strict requirement for dust generation. The purpose is to provide a device.
【０００５】[0005]
【課題を解決するための手段】上記課題を解決するた
め、本発明の請求項１記載の成形加工装置は、加工時に
腐食性ガスを発生する腐食性樹脂をシリンダを通して成
形加工する装置において、前記シリンダが耐腐食性金属
材料からなり、該シリンダの内面にセラミック製ライナ
を挿設した構造であることを特徴とする。In order to solve the above-mentioned problems, a molding apparatus according to claim 1 of the present invention is an apparatus for molding a corrosive resin which generates a corrosive gas during processing through a cylinder. It is characterized in that the cylinder is made of a corrosion-resistant metal material and a ceramic liner is inserted into the inner surface of the cylinder.
【０００６】請求項２記載の成形加工装置は、請求項１
記載の発明において、前記シリンダが、Ｎｉ−Ｍｏ合
金、Ｎｉ−Ｃｒ−Ｍｏ系合金、Ｎｉ−Ｃｒ系合金、Ｎｉ
−Ｃｒ−Ｍｏ−Ｆｅ系のいずれかの合金からなることを
特徴とする。A molding processing apparatus according to a second aspect is the first aspect.
In the invention described above, the cylinder is a Ni-Mo alloy, a Ni-Cr-Mo alloy, a Ni-Cr alloy, or a Ni alloy.
It is characterized by being made of any of the alloys of -Cr-Mo-Fe system.
【０００７】請求項３記載の成形加工装置は、請求項１
または２に記載の発明において、前記セラミック製ライ
ナの材質が、アルミナ、ジルコニア、酸化珪素、窒化珪
素、炭化珪素のうちいずれかの１種類あるいはこれらの
内から選択される２以上の混合物であることを特徴とす
る。The molding apparatus according to claim 3 is the same as that of claim 1.
Alternatively, in the invention described in Item 2, the material of the ceramic liner is one of alumina, zirconia, silicon oxide, silicon nitride, and silicon carbide, or a mixture of two or more selected from these. Is characterized by.
【０００８】請求項４記載の成形加工装置は、請求項１
〜３のいずれかに記載の発明において、前記シリンダ内
にスクリュが内蔵されており、該スクリュが耐腐食性金
属材料からなることを特徴とする。A molding processing apparatus according to a fourth aspect is the first aspect.
The invention according to any one of claims 1 to 3 is characterized in that a screw is built in the cylinder, and the screw is made of a corrosion-resistant metal material.
【０００９】請求項５記載の成形加工装置は、請求項４
記載の発明において、前記スクリュが、Ｎｉ−Ｍｏ系合
金、Ｎｉ−Ｃｒ−Ｍｏ系合金、Ｎｉ−Ｃｒ系合金、Ｎｉ
−Ｃｒ−Ｍｏ−Ｆｅ系合金のいずれかの合金からなるこ
とを特徴とする。According to a fifth aspect of the present invention, there is provided the molding apparatus according to the fourth aspect.
In the invention described above, the screw is a Ni-Mo alloy, a Ni-Cr-Mo alloy, a Ni-Cr alloy, or a Ni alloy.
It is characterized by being made of any one of the --Cr--Mo--Fe alloys.
【００１０】すなわち、本発明によれば、シリンダにセ
ラミック製ライナを挿設したので、シリンダ内周面側の
腐食および磨耗を防止して樹脂中へのコンタミネーショ
ンを極力阻止し、したがって厳しい発塵基準を満たし、
品質に優れた樹脂成形品を得ることができる。また、シ
リンダの外周側が金属材料からなるのでシリンダとして
充分な強度を得ることができる。さらにいえば、該金属
材料が耐腐食性材料からなるので、樹脂から発生した腐
食性ガスがシリンダとセラミック製ライナとの間に拡散
して金属材料からなるシリンダを腐食するのを防止す
る。該シリンダの腐食が発生し、これが進行すると、シ
リンダ内周側への異物の混入を招き、樹脂中へのコンタ
ミネーションの原因となり、さらに光ファイバにおいて
は伝送性能を低下させる主要な伝送損失である散乱損失
を招く結果、所望の伝送性能を発揮できないという問題
が生じるが、本発明では掛かる問題点を回避することが
できる。That is, according to the present invention, since the ceramic liner is inserted in the cylinder, the inner peripheral surface of the cylinder is prevented from being corroded and worn to prevent contamination into the resin as much as possible, and therefore severe dust is generated. Meet the criteria,
A resin molded product with excellent quality can be obtained. Further, since the outer peripheral side of the cylinder is made of a metal material, sufficient strength can be obtained as the cylinder. Further, since the metal material is made of a corrosion resistant material, it prevents the corrosive gas generated from the resin from diffusing between the cylinder and the ceramic liner and corroding the cylinder made of the metal material. Corrosion of the cylinder occurs, and when this progresses, foreign matter is mixed into the inner peripheral side of the cylinder, which causes contamination in the resin, and is a major transmission loss that reduces the transmission performance of the optical fiber. As a result of causing the scattering loss, there is a problem that desired transmission performance cannot be exhibited, but the present invention can avoid the problem.
【００１１】なお、シリンダを構成する耐腐食性金属材
料としてはＮｉ基合金を挙げることができ、例えば、請
求項２に記載するＮｉ−Ｍｏ系合金、Ｎｉ−Ｃｒ−Ｍｏ
系合金、Ｎｉ−Ｃｒ系合金、Ｎｉ−Ｃｒ−Ｍｏ−Ｆｅ系
合金を例示することができる。これら合金は、表記した
成分を基本成分として含み、さらに、他の合金を含有可
能なものである。これら合金においては、樹脂から発生
する腐食性ガスに対し、充分な耐腐食性を発揮する。As the corrosion-resistant metallic material forming the cylinder, a Ni-based alloy can be cited. For example, the Ni-Mo alloy and Ni-Cr-Mo described in claim 2 can be cited.
Examples thereof include a system alloy, a Ni-Cr system alloy, and a Ni-Cr-Mo-Fe system alloy. These alloys contain the indicated components as basic components and can further contain other alloys. These alloys exhibit sufficient corrosion resistance against the corrosive gas generated from the resin.
【００１２】また、シリンダ内に内蔵されるスクリュ
は、成形、強度の点を考慮して、セラミックよりは耐腐
食性金属材料で構成するのが望ましく、該材料として
は、シリンダを構成する耐腐食性金属材料と同様の選定
基準によって材料を選定することができる。該スクリュ
は、耐腐食性金属材料で構成すれば、若干腐食や摩耗が
発生して樹脂中に異物として混入しても、その大きさや
量は著しく小さく、樹脂中へのコンタミネーションは無
視できる程度である。なお、所望によりスクリュの表面
にセラミックのコーティング等を行うことは可能であ
る。Further, in consideration of molding and strength, the screw incorporated in the cylinder is preferably made of a corrosion-resistant metal material rather than ceramic, and as the material, the corrosion-resistant metal constituting the cylinder is used. The material can be selected according to the same selection criteria as for the metallic material. If the screw is made of a corrosion-resistant metal material, even if it slightly corrodes or wears and mixes into the resin as a foreign substance, its size and amount are remarkably small, and contamination to the resin is negligible. Is. If desired, it is possible to coat the surface of the screw with a ceramic or the like.
【００１３】[0013]
【発明の実施の形態】以下、本発明の実施の一形態につ
いて図面を参照して説明するが、本発明はこれに限定さ
れるものではない。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, one embodiment of the present invention will be described with reference to the drawings, but the present invention is not limited to this.
【００１４】図１は本発明に係る腐食性樹脂の成形加工
装置の構成を示したものである。成形加工装置は、耐腐
食性金属材料からなるシリンダ５の内周側に、セラミッ
ク製のライナ６が挿設されており、該シリンダ５の前端
側（図示右方側）にダイス８が設けられている。なお、
セラミック製ライナ６をシリンダ５内に挿設する方法
は、本願発明としては特定のものに限定されないが、例
えば焼きばめ法や接着法の方法により行うことができ
る。FIG. 1 shows the construction of a corrosive resin molding apparatus according to the present invention. In the molding apparatus, a ceramic liner 6 is inserted on the inner peripheral side of a cylinder 5 made of a corrosion resistant metal material, and a die 8 is provided on the front end side (right side in the drawing) of the cylinder 5. ing. In addition,
The method of inserting the ceramic liner 6 into the cylinder 5 is not limited to a specific one as the invention of the present application, but it can be performed by, for example, a shrink fitting method or a bonding method.
【００１５】また、シリンダ５の後方側には、シリンダ
５内に樹脂材料を供給するホッパ３が取り付けられてお
り、該シリンダ５の周囲には、該シリンダ５を高温に保
持するためのヒーター４が配置されている。さらに、シ
リンダ５内には、耐腐食性金属材料からなるスクリュ７
が内蔵されている。該スクリュ７は、減速機２を介して
モータ１が連結されており、該モータ１の動作によりシ
リンダ５内で回転して樹脂材料を前方に押し出すように
構成されている。A hopper 3 for supplying a resin material into the cylinder 5 is attached to the rear side of the cylinder 5, and a heater 4 for keeping the cylinder 5 at a high temperature is provided around the cylinder 5. Are arranged. Further, in the cylinder 5, a screw 7 made of a corrosion-resistant metal material is used.
Is built in. The screw 7 is connected to the motor 1 via the speed reducer 2, and is configured to rotate in the cylinder 5 by the operation of the motor 1 to push the resin material forward.
【００１６】次に、上記成形加工装置を用いた樹脂成形
工程について説明する。図１において、溶融状態の腐食
性樹脂（Ｐ）はホッパ３を通じて成形加工装置のシリン
ダ５内に供給される。腐食性樹脂としては、例えばフッ
素樹脂、ＰＰＳ、ＰＶＤＣなどがある。腐食性樹脂
（Ｐ）はシリンダ５を通じて、スクリュ７により前方に
輸送され、ダイス８を通じて所定の形状に成形される。
このとき、シリンダ５は、ヒータ４により適温に加熱さ
れている。Next, a resin molding process using the above molding processing apparatus will be described. In FIG. 1, a corrosive resin (P) in a molten state is supplied into a cylinder 5 of a molding apparatus through a hopper 3. Examples of the corrosive resin include fluororesin, PPS, PVDC and the like. The corrosive resin (P) is transported forward by the screw 7 through the cylinder 5 and is molded into a predetermined shape through the die 8.
At this time, the cylinder 5 is heated to an appropriate temperature by the heater 4.
【００１７】このとき、腐食性樹脂（Ｐ）は加熱によ
り、また混合混練により部分的に分解して腐食性のガス
を発生する。例えば、フッ素樹脂の場合、分解によりフ
ッ化水素ガスが発生する。腐食性の樹脂がＰＰＳの場合
は、フッ素や塩素、二硫化酸素（ＳＯ２）ガスが発生す
る。At this time, the corrosive resin (P) is partially decomposed by heating and mixing and kneading to generate a corrosive gas. For example, in the case of fluororesin, hydrogen fluoride gas is generated by decomposition. When the corrosive resin is PPS, fluorine, chlorine, and oxygen disulfide (SO 2 ) gas are generated.
【００１８】係るフッ化水素や塩化水素などの腐食性ガ
スによりシリンダ５やスクリュ７が通常の鋼の場合には
容易に腐食して、腐食生成物が表面から剥離して異物と
して樹脂中に混入するが、本願発明では、耐腐食性シリ
ンダ５の内周側にセラミック製ライナ６が挿設された構
造とすることにより、上記問題を完全に解決している。When the cylinder 5 and the screw 7 are ordinary steel due to the corrosive gas such as hydrogen fluoride or hydrogen chloride, the corrosion products are easily corroded and the corrosion products are separated from the surface and mixed into the resin as foreign matter. However, in the present invention, the above problem is completely solved by adopting a structure in which the ceramic liner 6 is inserted on the inner peripheral side of the corrosion resistant cylinder 5.
【００１９】シリンダを構成する耐腐食性の材料として
は、前記したようにＮｉ−Ｍｏ系合金、Ｎｉ−Ｃｒ−Ｍ
ｏ系合金、Ｎｉ−Ｃｒ系合金、Ｎｉ−Ｃｒ−Ｍｏ−Ｆｅ
系合金のいずれか１の合金であることが望ましい。ま
た、セラミック製ライナの材質は、アルミナ、ジルコニ
ア、酸化珪素、窒化珪素、炭化珪素のうちいずれかの１
種類あるいはこれらの内から選択される２以上の混合物
であることが望ましい。As the corrosion-resistant material forming the cylinder, as described above, Ni-Mo alloys and Ni-Cr-M are used.
o-based alloy, Ni-Cr-based alloy, Ni-Cr-Mo-Fe
It is desirable that the alloy is any one of the series alloys. The material of the ceramic liner is one of alumina, zirconia, silicon oxide, silicon nitride, and silicon carbide.
It is desirable that it is a kind or a mixture of two or more selected from these.
【００２０】また、スクリュの材質としては、Ｎｉ−Ｍ
ｏ合金、Ｎｉ−Ｃｒ−Ｍｏ系合金、Ｎｉ−Ｃｒ系合金、
Ｎｉ−Ｃｒ−Ｍｏ−Ｆｅ系のいずれか１の合金であるこ
とが望ましい。The material of the screw is Ni-M
o alloy, Ni-Cr-Mo alloy, Ni-Cr alloy,
It is desirable that the alloy be any one of Ni-Cr-Mo-Fe.
【００２１】上記構成によって、成形される樹脂におい
て、異物の量が極めて少なく、その大きさも極めて小さ
くなり、良好な品質の成形品を極めて安定的に製造する
ことが可能となる。With the above construction, the amount of foreign matter in the resin to be molded is extremely small and the size thereof is extremely small, and it becomes possible to manufacture a molded product of good quality very stably.
【００２２】[0022]
【実施例】（実施例）上記図１の成形加工装置におい
て、外径８０ｍｍ、内径４０ｍｍ、長さ３００ｍｍのＮ
ｉ−Ｃｒ−Ｍｏ系合金製シリンダ５の内面に、外径４０
ｍｍ、内径２０ｍｍ、長さ３００ｍｍのアルミナ製ライ
ナ６を挿設し、直径２０ｍｍ、フライト３ｍｍ、ピッチ
１０ｍｍのＮｉ−Ｃｒ−Ｍｏ製スクリュ７を有した装置
を製作した。供給するフッ素樹脂（Ｐ）は、あらかじめ
溶融させておき、ホッパ３より成形加工機に供給した。
運転時、シリンダ５の温度は１８０〜２６０℃、スクリ
ュ７の回転数は１〜４０ｒｐｍ、吐出量は０．５〜１５
ｇ／分に設定して成形処理を行った。処理後の樹脂に含
まれる異物の大きさを測定し、さらにシリンダおよびス
クリュの腐食状況を観察し、これらの結果を表１に示し
た。(Example) In the molding apparatus of FIG. 1, the N having an outer diameter of 80 mm, an inner diameter of 40 mm and a length of 300 mm was used.
On the inner surface of the i-Cr-Mo alloy cylinder 5, the outer diameter 40
A device having an Ni-Cr-Mo screw 7 having a diameter of 20 mm, a flight of 3 mm, and a pitch of 10 mm was manufactured by inserting an alumina liner 6 having a diameter of 20 mm, an inner diameter of 20 mm, and a length of 300 mm. The fluororesin (P) to be supplied was melted in advance and supplied from the hopper 3 to the molding machine.
During operation, the temperature of the cylinder 5 is 180 to 260 ° C., the rotation speed of the screw 7 is 1 to 40 rpm, and the discharge amount is 0.5 to 15
The molding process was carried out at a setting of g / min. The size of foreign matter contained in the treated resin was measured, and the corrosion state of the cylinder and the screw was observed. The results are shown in Table 1.
【００２３】（比較例１）図１と同型の成形加工機にお
いて、シリンダをＮｉ−Ｃｒ−Ｍｏ合金、スクリュを同
じくＮｉ−Ｃｒ−Ｍｏ合金とし、上記実施例と同様の条
件でフッ素樹脂を成形処理した。処理後の樹脂に含まれ
る異物の大きさ、シリンダおよびスクリュの腐食状況を
同じく表１に示した。(Comparative Example 1) In a molding machine of the same type as that shown in FIG. 1, a cylinder was made of a Ni-Cr-Mo alloy and a screw was made of a Ni-Cr-Mo alloy, and a fluororesin was molded under the same conditions as in the above-mentioned embodiment. Processed. Table 1 also shows the size of foreign matter contained in the resin after the treatment and the corrosion state of the cylinder and the screw.
【００２４】（比較例２）図１と同型の成形加工機にお
いて、シリンダをＣｒ−Ｍｏ鋼として該シリンダ内に実
施例と同様のアルミナ製ライナを挿設した。また、スク
リュをＮｉ−Ｃｒ−Ｍｏ合金とし、前記実施例と同様の
条件でフッ素樹脂を成形処理した。処理後の樹脂に含ま
れる異物の大きさ、シリンダおよびスクリュの腐食状況
を同じく表１に示した。(Comparative Example 2) In a molding machine of the same type as that shown in FIG. 1, the cylinder was made of Cr-Mo steel and the same alumina liner as that of the embodiment was inserted into the cylinder. Further, the screw was made of Ni-Cr-Mo alloy, and the fluororesin was molded under the same conditions as those in the above-mentioned examples. Table 1 also shows the size of foreign matter contained in the resin after the treatment and the corrosion state of the cylinder and the screw.
【００２５】（比較例３）図１と同形状の成形加工機に
おいて、シリンダをＮｉ−Ｃｒ−Ｍｏ合金、スクリュを
ＳＣＭ４４０とし、実施例と同様の条件でフッ素樹脂を
成形処理した。処理後の樹脂に含まれる異物の大きさ、
シリンダおよびスクリュの腐食状況を同じく表１に示し
た。(Comparative Example 3) In a molding machine having the same shape as that shown in Fig. 1, a cylinder was made of Ni-Cr-Mo alloy, a screw was SCM440, and a fluororesin was molded under the same conditions as in Example. Size of foreign matter contained in the resin after treatment,
Table 1 also shows the corrosion conditions of the cylinder and the screw.
【００２６】[0026]
【表１】 [Table 1]
【００２７】表１より、フッ素樹脂を処理した場合、本
発明の実施例では異物の大きさが非常に小さく、シリン
ダおよびスクリュの腐食や摩耗も抑えられているのに対
して、比較例１ではシリンダとスクリュの摩耗が発生し
ていた。さらに、比較例２ではスクリュの変化は見られ
ないものの、シリンダ外面に腐食が発生していた。比較
例３ではスクリュの腐食や摩耗が大きく発生していた。
すなわち、比較例１〜３の場合には樹脂の品質は満足で
きなかった。From Table 1, when the fluororesin is treated, in the embodiment of the present invention, the size of the foreign matter is very small and the corrosion and wear of the cylinder and the screw are suppressed, while in Comparative Example 1, Cylinder and screw were worn. Further, in Comparative Example 2, although no change in the screw was observed, corrosion occurred on the outer surface of the cylinder. In Comparative Example 3, the screw was largely corroded and worn.
That is, in the cases of Comparative Examples 1 to 3, the resin quality was not satisfactory.
【００２８】[0028]
【発明の効果】以上説明したように、本発明に係る成形
加工する装置によれば、フッ素樹脂やＰＰＳなどの腐食
性ガスを発生する樹脂でも、シリンダが腐食することが
ないので、腐食生成物に起因した異物の混入が極めて少
なく、その大きさも極めて小さくなり、良好な品質の成
形品を極めて安定的に製造することが可能となった。As described above, according to the apparatus for molding according to the present invention, even if a resin that generates a corrosive gas such as fluororesin or PPS does not corrode the cylinder, the corrosion product As a result, the contamination of foreign matter due to the above was extremely small, and the size thereof was also extremely small, and it became possible to manufacture a molded product of good quality extremely stably.
【図１】 本発明に係る腐食性樹脂の成形加工装置の構
成を示したものである。FIG. 1 shows the configuration of a corrosive resin molding processing apparatus according to the present invention.
１ モータ ３ ホッパ ５ シリンダ ６ セラミック製ライナ ７ スクリュ 1 motor 3 hoppers 5 cylinders 6 Ceramic liner 7 screws
フロントページの続き (51)Int.Cl.7 識別記号 ＦＩ テーマコート゛(参考） // Ｂ２９Ｋ 27:12 Ｂ２９Ｋ 27:12 Ｆターム(参考） 4F201 AJ02 AJ06 BA01 BK33 BK40 BK80 4F206 AJ02 AJ15 JA07 JD01 JL02 JQ07 JQ11 JQ41 4F207 AA16 AH77 AJ02 AJ06 KA01 KL02 KL32 Front page continuation (51) Int.Cl. 7 Identification code FI theme code (reference) // B29K 27:12 B29K 27:12 F term (reference) 4F201 AJ02 AJ06 BA01 BK33 BK40 BK80 4F206 AJ02 AJ15 JA07 JD01 JL02 JQ07 JQ11 JQ41 4F207 AA16 AH77 AJ02 AJ06 KA01 KL02 KL32
Claims (5)
脂をシリンダを通して成形加工する装置において、前記
シリンダが耐腐食性金属材料からなり、該シリンダの内
面にセラミック製ライナを挿設した構造であることを特
徴とする成形加工装置。1. An apparatus for forming a corrosive resin that generates a corrosive gas during processing through a cylinder, wherein the cylinder is made of a corrosion-resistant metal material, and a ceramic liner is inserted on the inner surface of the cylinder. A molding processing device characterized by being present.
−Ｃｒ−Ｍｏ系合金、Ｎｉ−Ｃｒ系合金、Ｎｉ−Ｃｒ−
Ｍｏ−Ｆｅ系のいずれかの合金からなることを特徴とす
る請求項１記載の成形加工装置。2. The cylinder comprises a Ni--Mo alloy, Ni
-Cr-Mo alloy, Ni-Cr alloy, Ni-Cr-
The molding apparatus according to claim 1, wherein the molding apparatus is made of any one of Mo-Fe alloys.
ミナ、ジルコニア、酸化珪素、窒化珪素、炭化珪素のう
ちいずれかの１種類あるいはこれらの内から選択される
２以上の混合物であることを特徴とする請求項１または
２に記載の成形加工装置。3. The material of the ceramic liner is one of alumina, zirconia, silicon oxide, silicon nitride, and silicon carbide, or a mixture of two or more thereof. The molding processing apparatus according to claim 1 or 2.
おり、該スクリュが耐腐食性金属材料からなることを特
徴とする請求項１〜３のいずれかに記載の成形加工装
置。4. The molding apparatus according to claim 1, wherein a screw is built in the cylinder, and the screw is made of a corrosion resistant metal material.
ｉ−Ｃｒ−Ｍｏ系合金、Ｎｉ−Ｃｒ系合金、Ｎｉ−Ｃｒ
−Ｍｏ−Ｆｅ系合金のいずれかの合金からなることを特
徴とする請求項４記載の成形加工装置。5. The screw is a Ni--Mo alloy, N
i-Cr-Mo system alloy, Ni-Cr system alloy, Ni-Cr
The molding apparatus according to claim 4, wherein the molding apparatus is made of any one of the —Mo—Fe alloys.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002008149A JP2003211441A (en) | 2002-01-17 | 2002-01-17 | Molding processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002008149A JP2003211441A (en) | 2002-01-17 | 2002-01-17 | Molding processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003211441A true JP2003211441A (en) | 2003-07-29 |
Family
ID=27646491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002008149A Pending JP2003211441A (en) | 2002-01-17 | 2002-01-17 | Molding processing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003211441A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61241105A (en) * | 1985-04-18 | 1986-10-27 | 株式会社ノリタケカンパニーリミテド | Screw type extruding machine or kneading machine |
| JPS61248703A (en) * | 1985-04-26 | 1986-11-06 | Hitachi Metals Ltd | Corrosion-resistant and wear-resistant screw |
| JPS61272119A (en) * | 1985-05-27 | 1986-12-02 | Shinagawa Refract Co Ltd | Molding equipment for plastic material |
| JP2001335867A (en) * | 2000-05-26 | 2001-12-04 | Kubota Corp | CORROSION RESISTANT/WEAR RESISTANT Ni ALLOY FOR MEMBER OF PLASTIC KNEADING MACHINE AND MOLDING MACHINE, AND THE MEMBER |
-
2002
- 2002-01-17 JP JP2002008149A patent/JP2003211441A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61241105A (en) * | 1985-04-18 | 1986-10-27 | 株式会社ノリタケカンパニーリミテド | Screw type extruding machine or kneading machine |
| JPS61248703A (en) * | 1985-04-26 | 1986-11-06 | Hitachi Metals Ltd | Corrosion-resistant and wear-resistant screw |
| JPS61272119A (en) * | 1985-05-27 | 1986-12-02 | Shinagawa Refract Co Ltd | Molding equipment for plastic material |
| JP2001335867A (en) * | 2000-05-26 | 2001-12-04 | Kubota Corp | CORROSION RESISTANT/WEAR RESISTANT Ni ALLOY FOR MEMBER OF PLASTIC KNEADING MACHINE AND MOLDING MACHINE, AND THE MEMBER |
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