JPS5957765A - Manufacture of print head - Google Patents

Manufacture of print head

Info

Publication number
JPS5957765A
JPS5957765A JP16879982A JP16879982A JPS5957765A JP S5957765 A JPS5957765 A JP S5957765A JP 16879982 A JP16879982 A JP 16879982A JP 16879982 A JP16879982 A JP 16879982A JP S5957765 A JPS5957765 A JP S5957765A
Authority
JP
Japan
Prior art keywords
layer
print head
head member
print
printing
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
JP16879982A
Other languages
Japanese (ja)
Inventor
Masahiko Waki
脇　昌彦
Kunimitsu Harada
原田　邦光
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.)
Citizen Holdings Co Ltd
Citizen Watch Co Ltd
Original Assignee
Citizen Holdings Co Ltd
Citizen Watch 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 Citizen Holdings Co Ltd, Citizen Watch Co Ltd filed Critical Citizen Holdings Co Ltd
Priority to JP16879982A priority Critical patent/JPS5957765A/en
Publication of JPS5957765A publication Critical patent/JPS5957765A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/22—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material
    • B41J2/23—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of impact or pressure on a printing material or impression-transfer material using print wires
    • B41J2/235—Print head assemblies
    • B41J2/25—Print wires

Landscapes

  • Impact Printers (AREA)

Abstract

PURPOSE:To allow a print pin to be brazed to a head member and obtain a lightweight and durable dot printer, by forming an Mo-Mn layer on the outer periphery of a print pin body of a ceramic, and further forming a deposit layer on the outer periphery thereof covered with the Mo-Mn layer. CONSTITUTION:A print pin body 1 of a ceramic, such as Al2O3 or the like, is coated with an Mo-Mn mixed paint and is sintered to form an Mo-Mn layer 2, which is then subjected to electroless plating of nickel to form an Ni-P deposit layer 3. This print pin body 1 is inserted into a hole 5 in a print head member 4 of a metal, e.g., a steel, and is brazed to the print head member by preplaced brazing using an Ni brazing material.

Description

【発明の詳細な説明】 方法に関するものである。[Detailed description of the invention] It is about the method.

ドノトマトリノクスインパクトプリンタの印字ヘッドは
高速度で印字を繰り返すもので、優，ｌｔだ剛久性が要
求さ２”Ｌる。従って、印字ピンは硬度の高い金属で形
成さｆＬなけオｔばならず、従来は超硬合金で作らλｔ
ていた。しかしながら超硬合金は比重が大きく、ヘッド
の車量が増大し、そのため、重量当りの機械的強度を高
くすることが困難であり、また応答性も悪いという欠点
がある。The print head of the Donomatorinox impact printer repeats printing at high speed and requires excellent rigidity (2"L). Therefore, the printing pin must be made of a highly hard metal. Traditionally, it was made of cemented carbide.
was. However, cemented carbide has a high specific gravity and increases the volume of the head, which makes it difficult to increase the mechanical strength per unit weight and has the drawbacks of poor responsiveness.

このような欠点を解消するにはセラミノつて作らオｔた
印字ピンを用いることが提案さ，！ｔでいる。In order to eliminate these drawbacks, it is proposed to use a printing pin made by Ceramino Tsutsu. I'm at t.

従来、金属製のヘッド部材に印字ピンを固定するにはロ
ー利が行われていたが、セラミンクの印字ピンはロー利
けすることができず、しかも他に適当な固定手段がなく
、実現を困難なものとしていた。Conventionally, printing pins were fixed to metal head members by rolling, but ceramic printing pins could not be rolled, and there was no other suitable fixing method, so it was difficult to realize this. It was difficult.

従って、本発明の目的は、セラミック製の印字ピンをロ
ー利によりヘッド部材に固定することのてきろ方法を提
供せんと１−るにある。SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a method for fixing a ceramic printing pin to a head member by using a rotor.

以下図面を参照して本発明の一実施例を説明すると、第
１図はセラミンク（Ａｌ２０３　）製の印字ピン本体１
を示し、その本体にＭ　ｏ　−　Ｍ　ｎ　ｆ：によりＭ
　ｏ−１ν１ｎの混合ペーストを塗布し、焼結してＭ　
ｏ　−　Ｍ　ｎ層２を形成しく第２図）、次に第３図に
示″′４−ように無電解ニノケルメノギを施してＮ　ｉ
　−　Ｐメッキ層６を形成する。一方、金属製（鋼材）
印字ヘッド部材４には、第３図までの各層を施した印字
ピンをロー付けするのに適した直径の孔５を形成し、そ
の孔にピンを挿入し、Ｎ１ローを用い置きロー付により
ロー付する。この際、ビンにはＮ　ｉ−Ｐメッキ層６が
形成さ２ｔているので、ロー例が効果的に行わオする（
第４図）。次に第５図に示すように印字ビンの頭部を研
削して頭部の層２、乙を削除し、印字ビンの固定が完了
する。An embodiment of the present invention will be described below with reference to the drawings. Fig. 1 shows a printing pin body 1 made of ceramic (Al203).
and in its body M o − M n f: by M
Apply a mixed paste of o-1ν1n and sinter it to make M
o - M n layer 2 is formed (Fig. 2), and then electroless Ni-no-Kerumenogi is applied as shown in Fig. 3.
- Form a P plating layer 6. On the other hand, metal (steel)
In the print head member 4, a hole 5 with a diameter suitable for brazing the printing pin with each layer up to FIG. Apply brazing. At this time, since the Ni-P plating layer 6 is formed on the bottle, the row example is effectively carried out (
Figure 4). Next, as shown in FIG. 5, the head of the printing bottle is ground to remove layer 2 and layer B of the head, and the fixing of the printing bottle is completed.

尚、印字ヘッド部材４はばね板乙の先端に固定さ２”Ｌ
、図示しない電磁装置により往復動さオｔ、印字が行わ
オする。The print head member 4 is fixed to the tip of the spring plate O with a diameter of 2"L.
, is reciprocated by an electromagnetic device (not shown), and printing is performed.

以」二で明かなように本発明によ７ｔば、セラミック製
の印字ビンを印字ヘッド部材にロー例することができ、
従来の置きロー付により低コストで固定することができ
る。As is clear from the following, according to the present invention, a ceramic printing bottle can be used as a printing head member.
It can be fixed at low cost using conventional brazing.

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

第１図乃至第５図は本発明の工程を示す図である。 １・・・・・・印字ピン本体、 ２・＝　−Ｍ　ｏ　−Ｍ　ｎ層、 ６・・・・・・Ｎ　ｉ　−Ｐメッキ層、４・・・・・・
印字ヘッド部材、 ５・・・・・・孔、６・・・・・・ばね板。 ４行− 特許出願人　／チスン時訓株式会社（′１゜−ミご↓1 to 5 are diagrams showing the steps of the present invention. 1...Printing pin body, 2...=-Mo-Mn layer, 6...Ni-P plating layer, 4...
Print head member, 5... hole, 6... spring plate. Line 4 - Patent applicant / Jisung Jikun Co., Ltd. ('1゜-migo↓

Claims (1)

【特許請求の範囲】[Claims] セラミック製の印字ピン本体の外周にＭ　ｏ　−Ｍ　ｎ
層を形成し、その上にメッキ層を形成した印字ピンを金
属製ヘッド部材に設けらスｔだ孔に挿入し、ロー利によ
り固定することを特徴とずろ印字ヘッドの製造方法。M o - M n on the outer periphery of the ceramic printing pin body
1. A method for producing a zigzag print head, comprising: forming a plating layer thereon, inserting a printing pin on which a plating layer is formed into a slot provided in a metal head member, and fixing it by rolling.
JP16879982A 1982-09-28 1982-09-28 Manufacture of print head Pending JPS5957765A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16879982A JPS5957765A (en) 1982-09-28 1982-09-28 Manufacture of print head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16879982A JPS5957765A (en) 1982-09-28 1982-09-28 Manufacture of print head

Publications (1)

Publication Number Publication Date
JPS5957765A true JPS5957765A (en) 1984-04-03

Family

ID=15874688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16879982A Pending JPS5957765A (en) 1982-09-28 1982-09-28 Manufacture of print head

Country Status (1)

Country Link
JP (1) JPS5957765A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5137381A (en) * 1990-06-20 1992-08-11 Mannesmann Aktiengeselschaft Matrix pin print head

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5137381A (en) * 1990-06-20 1992-08-11 Mannesmann Aktiengeselschaft Matrix pin print head

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