JPS5815705A - Method of manufacturing tappet - Google Patents

Method of manufacturing tappet

Info

Publication number
JPS5815705A
JPS5815705A JP11363281A JP11363281A JPS5815705A JP S5815705 A JPS5815705 A JP S5815705A JP 11363281 A JP11363281 A JP 11363281A JP 11363281 A JP11363281 A JP 11363281A JP S5815705 A JPS5815705 A JP S5815705A
Authority
JP
Japan
Prior art keywords
tappet
tappet body
ceramic
quenching
thin plate
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
Application number
JP11363281A
Other languages
Japanese (ja)
Inventor
Akihiko Katamine
片峰　昭彦
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to JP11363281A priority Critical patent/JPS5815705A/en
Publication of JPS5815705A publication Critical patent/JPS5815705A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/12—Transmitting gear between valve drive and valve
    • F01L1/14—Tappets; Push rods

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

PURPOSE:To easily and surely bond a ceramic to a tappet body, by using a thin sheet to be molten for the bonding. CONSTITUTION:The bottom of a tappet body 1 is processed so that a bonding part 2 having a recessed surface is provided. A ceramic 4 and a thin sheet 3 of a metal whose melting point is lower than the quenching temperature of the tappet body 1 are tightly fitted in the bonding part 2. Quenching is then effected to melt the thin sheet 3 to bond the ceramic 4 to the part 2. According to this method, the ceramic 4 is easily and surely bonded to the sliding part 2 of the tappet body 1, which would wear drastically.

Description

【発明の詳細な説明】 本発明はタペットの製造法に関するものであるＯ 通常のタペットは（ＦＣチル＋焼入れ焼もどし）行程に
よｐ製造しているが高面圧下使用時では異常摩耗が発生
するという問題が残されている。Detailed Description of the Invention The present invention relates to a tappet manufacturing method. Normal tappets are manufactured through a process (FC chill + quenching and tempering), but abnormal wear occurs when used under high surface pressure. The problem of doing so remains.

本発明は上記の事情に鑑みなされたものであって、その
目的とするところはタペット本体の摩耗のはげしい摺動
部にセラミックスを容易にかつ確実に装着できるタペッ
トの製造法を提供するととにある。The present invention has been made in view of the above circumstances, and its purpose is to provide a tappet manufacturing method that allows ceramics to be easily and reliably attached to the frequently worn sliding parts of the tappet body. .

以下、本発明を図面を参照、して説明する。Hereinafter, the present invention will be explained with reference to the drawings.

図面中１はタペット本体であり、タペット本体１はＰＣ
チル材が使用されている。タペット本体１の下面に丸形
、角形、台形などの形状の装着部２’を加工する。1 in the drawing is the tappet body, and the tappet body 1 is a PC
Chilled material is used. A mounting portion 2' having a round, square, or trapezoidal shape is formed on the bottom surface of the tappet body 1.

この装着部２の面部は凹凸面になされる。The surface of this mounting portion 2 is made into an uneven surface.

図面中３は融点が８００℃以下の薄板であり、この薄板
３はＡｔ板、ｚｎ板、ｑａ−２ｎ合金板Ｏいずれかを使
用する。3 in the drawing is a thin plate having a melting point of 800° C. or less, and this thin plate 3 is made of an At plate, a ZN plate, or a qa-2n alloy plate O.

図面中４はセラミックスであり、このセラミックス４は
前記装着部２に相似した形状である。4 in the drawings is a ceramic, and this ceramic 4 has a shape similar to the mounting part 2.

こｏ＊ｙ電ツタックス４１ｓＮ４　＊　　８　ｉ　ＣＺ
　ｒ　０１　Ｂ入１．０．等いずれでもよい。Ko*y Electric Tsutax 41sN4 * 8 i CZ
r 01 B included 1.0. etc. Any one is fine.

前記タペット本体ｌの装着部２に薄板３とセラミックス
４とを圧入する。圧入時には薄板３が左イドにな〕セラ
ミックス４の圧力が円滑になる。A thin plate 3 and ceramics 4 are press-fitted into the mounting portion 2 of the tappet body 1. When press-fitting, the thin plate 3 becomes the left side, and the pressure on the ceramics 4 becomes smooth.

圧入後焼入れする・ 焼入温度は８００℃１１１［である。Harden after press-fitting. The quenching temperature is 800°C and 111°C.

この焼入れによって薄板３が溶け、タペット本体ｌの装
着部２の凹凸面およびセラきツクス４０表面層ボア部に
しみこみかつタペット本体１とセラミックス４０空ｌＩ
ｔ埋め強力な結合剤として作用する。Through this hardening, the thin plate 3 is melted and seeps into the uneven surface of the mounting portion 2 of the tappet body 1 and the bore portion of the surface layer of the ceramics 40.
Acts as a strong binder.

焼入後焼戻しく２００℃前後）を行い、その後表面仕上
げを行う。After quenching, tempering is performed (around 200°C), and then surface finishing is performed.

本発明は以上詳述したようになり、タペット本体ｌの下
面に凹凸面を有する装着部２を加工し、この装着部２に
融点が焼入温度より低い金属親の薄板３とセラミックス
４とを圧入し、圧入後焼入れを行い薄板３を溶融させて
装着部２にセラミックス４を装着するようにしたから、
タペット°本体ｌの摩耗のはげしい摺動部にセクィック
スを容易にかつ確実に装着することができる。The present invention has been described in detail above, in which a mounting portion 2 having an uneven surface is formed on the lower surface of the tappet main body l, and a thin metal plate 3 and ceramics 4 having a melting point lower than the quenching temperature are attached to the mounting portion 2. Since the ceramics 4 are press-fitted into the mounting portion 2 by quenching after the press-fitting and melting the thin plate 3,
Sequix can be easily and reliably attached to the sliding part of the tappet body l which is subject to heavy wear.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本発明方法により製造されたタペットの縦断面
図、第２図は第１図厘方向からの矢視図、第３図および
第４図は本発明方法の説明図である。 ｌはタペット本体、２は装着部、３＃′ｉ薄板、４はセ
ツζツクス。 出願人　獣会社小松製作所 代理人　弁理士米　原　正　章 弁理士浜　本　　忠 １１１図 第 ＠３図 ４図FIG. 1 is a longitudinal sectional view of a tappet manufactured by the method of the present invention, FIG. 2 is a view taken from the direction of the arrow in FIG. 1, and FIGS. 3 and 4 are illustrations of the method of the present invention. 1 is the tappet body, 2 is the mounting part, 3 is the thin plate, and 4 is the set. Applicant: Beast Company Komatsu Ltd. Agent: Patent Attorney: Masaaki Yonehara Patent Attorney: Tadashi Hamamoto Figure 111 @ Figure 3 Figure 4

Claims (1)

【特許請求の範囲】[Claims] タペット本体１の下面に凹凸面を有する装着部２を加工
し、この装着部２に融点が焼入温度よ〕低い金属性の薄
板３とセラミックス４とを圧入し、圧入後焼入れを行い
薄板３を溶融させて装着部２にセラミックス４１に装着
するようにしたこと１に特徴とするタペットの製造法。A mounting part 2 having an uneven surface is machined on the lower surface of the tappet body 1, and a metal thin plate 3 and ceramics 4 whose melting point is lower than the quenching temperature are press-fitted into the mounting part 2, and after press-fitting, quenching is performed to form the thin plate 3. 1. A method for manufacturing a tappet characterized in that 1) the tappet is melted and attached to the ceramic 41 in the attachment part 2.
JP11363281A 1981-07-22 1981-07-22 Method of manufacturing tappet Pending JPS5815705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11363281A JPS5815705A (en) 1981-07-22 1981-07-22 Method of manufacturing tappet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11363281A JPS5815705A (en) 1981-07-22 1981-07-22 Method of manufacturing tappet

Publications (1)

Publication Number Publication Date
JPS5815705A true JPS5815705A (en) 1983-01-29

Family

ID=14617148

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11363281A Pending JPS5815705A (en) 1981-07-22 1981-07-22 Method of manufacturing tappet

Country Status (1)

Country Link
JP (1) JPS5815705A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60110605U (en) * 1983-12-29 1985-07-26 京セラ株式会社 Internal combustion engine tappet
US4643144A (en) * 1984-08-08 1987-02-17 Feldmuele Aktiengesellschaft Operating element for operating the valves of an internal combustion engine
JPS6357302U (en) * 1986-10-01 1988-04-16

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60110605U (en) * 1983-12-29 1985-07-26 京セラ株式会社 Internal combustion engine tappet
US4643144A (en) * 1984-08-08 1987-02-17 Feldmuele Aktiengesellschaft Operating element for operating the valves of an internal combustion engine
JPS6357302U (en) * 1986-10-01 1988-04-16

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