JPS5820413A - 摩擦材の成形方法 - Google Patents

摩擦材の成形方法

Info

Publication number
JPS5820413A
JPS5820413A JP11893981A JP11893981A JPS5820413A JP S5820413 A JPS5820413 A JP S5820413A JP 11893981 A JP11893981 A JP 11893981A JP 11893981 A JP11893981 A JP 11893981A JP S5820413 A JPS5820413 A JP S5820413A
Authority
JP
Japan
Prior art keywords
mold
friction material
pressurizing
ultrasonic
friction
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
Application number
JP11893981A
Other languages
English (en)
Other versions
JPH0246368B2 (ja
Inventor
Naoichi Sato
佐藤　直一
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Akebono Brake Industry Co Ltd
Original Assignee
Akebono Brake Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Akebono Brake Industry Co Ltd filed Critical Akebono Brake Industry Co Ltd
Priority to JP11893981A priority Critical patent/JPS5820413A/ja
Priority to AU86289/82A priority patent/AU555178B2/en
Publication of JPS5820413A publication Critical patent/JPS5820413A/ja
Publication of JPH0246368B2 publication Critical patent/JPH0246368B2/ja
Granted legal-status Critical Current

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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/006—Pressing and sintering powders, granules or fibres
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0261—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using ultrasonic or sonic vibrations
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/14—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles in several steps
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
    • B29C43/18—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles incorporating preformed parts or layers, e.g. compression moulding around inserts or for coating articles
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C2043/3205—Particular pressure exerting means for making definite articles
    • B29C2043/3266—Particular pressure exerting means for making definite articles vibrating tool means
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • B29C43/361—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons
    • B29C2043/3636—Moulds for making articles of definite length, i.e. discrete articles with pressing members independently movable of the parts for opening or closing the mould, e.g. movable pistons ultrasonically or sonically vibrating, e.g. sonotrodes
    • 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
    • B29C2791/00—Shaping characteristics in general
    • B29C2791/004—Shaping under special conditions
    • B29C2791/008—Using vibrations during moulding
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/52—Heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/25—Solid
    • B29K2105/251—Particles, powder or granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/16—Frictional elements, e.g. brake or clutch linings

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。

Description

【発明の詳細な説明】 本発明は摩擦材の超音波成形方法、更に詳しくは粉末状
の摩擦材料に超音波振動による加振と油圧プレスによる
加圧とを順次行うようにしｆｃ摩擦材の成□形方法に関
するものである。
従来広く採用されている摩擦材成形法は金型を必要温度
に加熱後、予備成形された摩擦材原料を熱成形用金型に
投入し加圧成形する方法である〇この成形方法の場合、
摩擦材製品の硬化が外側から始まるため、反応ガスを抜
く処理が必要であり、又熱伝導の悪い摩擦材料を外部よ
り加熱するため成形に長い時＋ｉｊ＋がか＼り、しかも
金型を加熱するため余分なエネルギーを必要とする等の
欠点がある。
このような欠点を吹音するものとして超音波成形は超音
波の摩（懸材料への加振と該摩擦材の加圧成形とを同時
に行っている。
か＼る方法の場合、摩擦拐の加圧成形時にｔよその加圧
力は必然的に大きくするため、加振と加圧とを同時に行
うと加振が失速するという欠点があり、摩擦材成形上の
能力の点で問題がある。
本発明はこのような欠点を解消するためになされたもの
で、摩擦材料への超ｆ波の加振後、これとは別工程で摩
擦材の加圧を引続いて速や刀・に行うことを％徴として
いる。
即ち本発明の要旨とする所ｉ１１、粉末状の単捺拐料全
成形金型に投入した後、超音波の印加により急速な内部
発熱をさせ速や〃・に油圧プレスにて＾圧を加える摩擦
材の成形方法にある。
以下に本発明を図＋ｆｎに示す実施例によって説明する
Ｏ 第１図は摩擦側材に超行波を印加してこれを急速に内部
光熱させる加熱工程を示している〇先ず金４ν（１）と
受台（２）とに表金（３）をセツトシた後、金型（１）
内に＃搾相粉杯（４）を装填した後、超首沢発信機（７
）を作り１せしめた超石ρシ振動子（８）を矢印（Ａ）
力量に押し一１州すて摩振材（４）にＩＩ（４首波振動
を印加セ１．める。
この超音波振動の印加により犀振材（４）に所望の内部
発熱を巧える力旧へ発熱を行なった仮、厚、振材（４）
及び表金（３）を内蔵する金ｕ２（ＩＩ及び受台（２）
を第２の加圧］′程に林動する。
この加圧工程では加圧用／ｌＩＩ圧ブレズブレスに収句
けられた加圧用七パンチ（５）で加圧成形される。（６
）は加圧ブレス後、金型より収出したＮ、振材製品で）
蓼振材（・Ｉ）とｉ斂Ｇ（＋とは加圧力により接層され
”Ｃいる。
以上、本発明方法による作用効果を要約して示１パと次
の〕由りである。
（１）金型は常ｌ昌で済みエネルギー面でイ］利である
。
（２）厚振材を短時間で成形することができる。
（，３１ｍＥ　４祭４Ａ粉末が流動性の悪い場合でも摩
擦祠利の成りしか川有しである。
（４）ｌ＃擦し配合においてあらゆる種類の混合が自１
」１−（あり、ム・δＪ祭拐成形上極めて力利である□
（！ｊ）摩（（、ｉ旧の製Ｊ貨工４呈がｒｔｉ４年にな
り、−］二４呈的にも時間的にも短縮１゛き工え的に竹
利゛テ：める。
４、図ｔｉ＊ｉ　（Ｄ面ｊ４主な祝明 第１図は本５１いＶ（の実施例ｉｃおける加熱工程を示
す説り１図、第２図は同上＆Ｃ表・りる加土工４Ｍを示
す雌兄明図である。
１−・・−・・・・・霊型 ２　　・・・・・受台 ３・・・・・・・・・・以遠 ４．４′・・・・・　離」祭（」 ５・・・・・・・・・・・・加圧用」−パンチ６・・・
・・・・・・・・縁際Ｉ製品 ７・・・・・・・・・・・・超音波発信機８・・・・・
・・・・・・超■波振動子９・・・・・・・・・・加圧
用油圧プレス第１図 第２図

Claims (1)

    【特許請求の範囲】
  1. （１）成形金型に投入された粉末状の卑擦″４４不−１
    に超音波振動を印加して該摩鯨材和１に急速な内部発熱
    を与えた後、油圧プレスにて該摩擦栃料に高圧を加える
    ことを％徴とする摩擦材の成形方法。
JP11893981A 1981-07-29 1981-07-29 摩擦材の成形方法 Granted JPS5820413A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP11893981A JPS5820413A (ja) 1981-07-29 1981-07-29 摩擦材の成形方法
AU86289/82A AU555178B2 (en) 1981-07-29 1982-07-22 Ultrasonic/pressure forming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11893981A JPS5820413A (ja) 1981-07-29 1981-07-29 摩擦材の成形方法

Publications (2)

Publication Number Publication Date
JPS5820413A true JPS5820413A (ja) 1983-02-05
JPH0246368B2 JPH0246368B2 (ja) 1990-10-15

Family

ID=14748964

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11893981A Granted JPS5820413A (ja) 1981-07-29 1981-07-29 摩擦材の成形方法

Country Status (2)

Country Link
JP (1) JPS5820413A (ja)
AU (1) AU555178B2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2664851A1 (fr) * 1990-07-20 1992-01-24 Oreal Procede de compactage d'un melange pulverulent permettant d'obtenir un produit compact absorbant ou partiellement delitable et produit obtenu par ce procede.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK220990D0 (da) * 1990-09-14 1990-09-14 Obtec As Artikler af harpiks-holdige pulveragtige materialer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925053A (ja) * 1972-06-27 1974-03-06
JPS4928655A (ja) * 1972-07-12 1974-03-14
JPS5689932A (en) * 1979-12-24 1981-07-21 Sumitomo Electric Ind Ltd Production of friction member for brake

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925053A (ja) * 1972-06-27 1974-03-06
JPS4928655A (ja) * 1972-07-12 1974-03-14
JPS5689932A (en) * 1979-12-24 1981-07-21 Sumitomo Electric Ind Ltd Production of friction member for brake

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2664851A1 (fr) * 1990-07-20 1992-01-24 Oreal Procede de compactage d'un melange pulverulent permettant d'obtenir un produit compact absorbant ou partiellement delitable et produit obtenu par ce procede.

Also Published As

Publication number Publication date
AU8628982A (en) 1983-02-03
JPH0246368B2 (ja) 1990-10-15
AU555178B2 (en) 1986-09-18

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