JP2642266B2 - Magnetic head and method of manufacturing the same - Google Patents
Magnetic head and method of manufacturing the sameInfo
- Publication number
- JP2642266B2 JP2642266B2 JP3278063A JP27806391A JP2642266B2 JP 2642266 B2 JP2642266 B2 JP 2642266B2 JP 3278063 A JP3278063 A JP 3278063A JP 27806391 A JP27806391 A JP 27806391A JP 2642266 B2 JP2642266 B2 JP 2642266B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- head
- magnetic head
- holder
- screw
- 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.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 9
- 239000011521 glass Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 8
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Landscapes
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、磁気ヘッド及びその製
造方法に関する。The present invention relates to a magnetic head and a method for manufacturing the same.
【0002】[0002]
【従来の技術】鉄道用自動改札機等に用いられる多チャ
ンネル磁気ヘッドは、トラック位置に対応して複数のコ
アが配置されており、ヘッドの精度として、コアのつ
き合わせ部たるギャップの各々を結ぶギャップラインが
トラック方向(切符等の走行方向)と直角であること、
各ギャップ位置がトラックサイド面より所定の距離に
あること、各ギャップはヘッドの頂上にあること、
又、頂上が水平であること、等が必須条件とされてい
る。2. Description of the Related Art A multi-channel magnetic head used in an automatic ticket gate for railways has a plurality of cores arranged corresponding to track positions. The connecting gap line is perpendicular to the track direction (the running direction of the ticket etc.)
That each gap position is at a predetermined distance from the track side surface, each gap is at the top of the head,
In addition, it is an essential condition that the top is horizontal.
【0003】磁気ヘッドを生産するにあたっては先ず、
各ギャップが一線のギャップライン上に揃うようにヘッ
ド部を製作する。そして、このヘッド部をホルダーに固
定して磁気ヘッドとして完成させるが、その際、前記
〜の条件を満足させねばならない。In producing a magnetic head, first,
The head is manufactured so that each gap is aligned with a straight gap line. Then, this head portion is fixed to a holder to complete a magnetic head. At this time, the above conditions (1) to (4) must be satisfied.
【0004】そこで、従来、図5に示すような工程で磁
気ヘッドの生産が行なわれている。 第1工程:ヘッド部1の頂面1aを曲面状に研削する
(仮円筒研削)。 第2工程:ヘッド部1をホルダー2の溝2aに入れ、ト
ラック方向に対するギャップラインC−Cの直角度、つ
まりアジマス角の精度出しを行なう。 第3工程:前工程での精度を維持しつつ、溝2aに樹脂
を充填し、その固化によりヘッド部1をホルダー2に固
定する。Therefore, conventionally, a magnetic head has been manufactured in a process as shown in FIG. First step: The top surface 1a of the head 1 is ground into a curved surface (temporary cylindrical grinding). Second step: The head 1 is inserted into the groove 2a of the holder 2, and the accuracy of the perpendicularity of the gap line CC with respect to the track direction, that is, the azimuth angle is determined. Third step: The resin is filled in the groove 2a while maintaining the accuracy in the previous step, and the head portion 1 is fixed to the holder 2 by solidification.
【0005】第4工程:トラックサイド面2bを研削す
ることによりコア3の位置をトラック位置に合わせる。[0005] Fourth step: The position of the core 3 is adjusted to the track position by grinding the track side surface 2b.
【0006】第5工程:ヘッド部1の頂面1aを曲面状
に仕上げ研削する(本円筒研削)。その際、各コア3の
ギャップが頂面1aのピーク位置にくるようにし、アオ
リ角の調整を行なう。Fifth step: The top surface 1a of the head portion 1 is finished and ground into a curved surface (main cylindrical grinding). At this time, the tilt of the core 3 is adjusted so that the gap of each core 3 is located at the peak position of the top surface 1a.
【0007】[0007]
【発明が解決しようとする課題】前記従来技術におい
て、ヘッド部1のホルダー2に対するアライメント調整
のため、第2工程、第4工程、第5工程の3つの工程を
要し、煩雑であると共に研削構成が介在するためにアラ
イメント精度が加工機の条件に左右され十分な精度を出
すことが困難であり、製作に長時間を要し、生産コスト
を高める要因ともなっている。In the prior art, three steps of a second step, a fourth step, and a fifth step are required for adjusting the alignment of the head unit 1 with respect to the holder 2, which is complicated and requires grinding. Because of the interposition of the structure, the alignment accuracy is affected by the conditions of the processing machine, and it is difficult to obtain sufficient accuracy, and it takes a long time to manufacture, which also increases the production cost.
【0008】従って本発明は、ホルダーに対するヘッド
部の位置出しを、簡易且つ高精度に行なうことのできる
磁気ヘッド及びその製造方法を提供することを目的とす
る。Accordingly the present invention, the positioning of the head portion relative to the holder, and an object thereof is to provide a magnetic head and a manufacturing method thereof capable of performing easily and highly accurately.
【0009】[0009]
【課題を解決するための手段】前記目的を達成するため
に、本発明は次のように構成した。In order to achieve the above object, the present invention is configured as follows.
【0010】(1).ホルダーの溝に磁気ヘッド部を嵌
合、固定する磁気ヘッドにおいて、溝底にヘッド部を上
昇付勢するばねを設けるとともに、前記溝の側部に頂点
調整ねじ及びアジマス調整ねじをそれぞれ設け、前記ヘ
ッド部を前記ばねにより上昇付勢させつつ前記ねじによ
り調整固定するとともに前記ヘッド部と前記溝との隙間
に樹脂を充填することにより前記ヘッド部を固定した。(1). In the magnetic head which fits and fixes the magnetic head portion in the groove of the holder, a spring is provided at the bottom of the groove to urge the head portion upward, and a vertex adjusting screw and an azimuth adjusting screw are provided on the side of the groove, respectively. The head part was adjusted and fixed by the screw while being urged upward by the spring, and the head part was fixed by filling a gap between the head part and the groove with resin.
【0011】(2).ホルダーの溝に磁気ヘッド部を嵌
合、固定する磁気ヘッドの製造方法において、溝底にヘ
ッド部を上昇付勢するばねを設けるとともに、前記溝の
側部に頂点調整ねじ及びアジマス調整ねじをそれぞれ設
け、前記磁気ヘッドを前記ホルダの溝に対して水平及び
アジマス調整するための基準用ガラスを用い、この基準
用ガラスに、前記ホルダの溝に遊嵌されるとともに前記
ばねにより上昇付勢された前記ヘッドを押し当てて前記
ねじにより仮固定したのち、前記ヘッド部と前記溝との
隙間に樹脂を充填して固化させることとした。(2). In a method of manufacturing a magnetic head in which a magnetic head portion is fitted and fixed in a groove of a holder, a spring for urging the head portion upward is provided at the bottom of the groove, and a vertex adjusting screw and an azimuth adjusting screw are respectively provided on side portions of the groove. A reference glass for horizontal and azimuth adjustment of the magnetic head with respect to the groove of the holder, and the magnetic head is loosely fitted into the groove of the holder and is urged upward by the spring. After the head is pressed and temporarily fixed by the screw, a resin is filled in a gap between the head portion and the groove and solidified.
【0012】[0012]
【作用】ばねがヘッド部をフロート状にさせると共に基
準部材に密着させ、ねじが溝内フロート状のヘッド部材
を所要の調整方向に微少量移動させる。The spring causes the head to float and comes into close contact with the reference member, and the screw moves the float-like head member in the groove in a small amount in the required adjustment direction.
【0013】[0013]
【実施例】以下の説明おいて、図1は治具に取り付前の
状態を示す。図2乃至図4は治具に取り付けられた状態
を示すが、図を簡略化するため、不要な部材を適宜省略
して示してある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description, FIG. 1 shows a state before mounting on a jig. 2 to 4 show a state in which the jig is attached to the jig. However, in order to simplify the drawings, unnecessary members are omitted as appropriate.
【0014】図1、図2、図4において、ホルダー20
にはヘッド部1を遊嵌し得る大きさに溝20aが形成さ
れている。この溝20aの側部であって、溝長手方向の
中央部に頂点調整ねじ40用のねじ孔40nが形成さ
れ、さらに、その両側にはアジマス調整ねじ41、42
用のねじ孔41n、42nがそれぞれ形成されていて、
溝内に突出しない状態で各ねじが螺入されている。1, 2, and 4, the holder 20
Is formed with a groove 20a large enough to allow the head portion 1 to be loosely fitted. A screw hole 40n for the apex adjusting screw 40 is formed in a side portion of the groove 20a and in a central portion in the longitudinal direction of the groove, and azimuth adjusting screws 41 and 42 are formed on both sides thereof.
Screw holes 41n and 42n are formed respectively,
Each screw is screwed in such a manner as not to protrude into the groove.
【0015】磁気ヘッドの製造に際し、かかるホルダー
20を、そのトラックサイド面20bに形成された取り
付けねじ孔46nを利用して、図3、図4に示すように
治具50に取り付けボルト46によって取付る。At the time of manufacturing the magnetic head, the holder 20 is mounted on the jig 50 by using the mounting bolts 46 as shown in FIGS. 3 and 4 using the mounting screw holes 46n formed on the track side surface 20b. You.
【0016】次に溝20aの底に、該溝長に沿う長さの
板ばね43(図1、図2参照)をおく。この板ばねは、
長手方向から見た形状が外開き状の略コの字型をしてお
り、開口側が上になっている。その上にヘッド部1を乗
せる。Next, a leaf spring 43 (see FIGS. 1 and 2) having a length along the length of the groove 20a is provided at the bottom of the groove 20a. This leaf spring
The shape as viewed from the longitudinal direction has a substantially U-shape that is open outward, and the opening side is upward. The head unit 1 is mounted thereon.
【0017】これらの準備が整ったら、以下の内容の、
調整を行なう。When these preparations are completed, the following contents:
Make adjustments.
【0018】調整作業1:治具50には、図示省略の手
段により水平状態を維持しつつ除々に下降する基準用ガ
ラス板(オプチカルフラット)44が設けられている。
このガラス板44を図2に矢印で示すように下降させて
いくと、ガラス板はヘッド部の頂面1aに押し当てら
れ、板ばね43の付勢力が及ぶようになる。この状態で
頂面1aが長手方向上でガラス板に一様に密着している
ことを、干渉縞を観測することにより確認しつつ、ガラ
ス板を所定の高さ位置におき、頂点調整ねじ40を回し
て干渉縞によりギャップ頂点をヘッド頂点に一致させ
る。同時にヘッドのアオリ角を図3に示す治具の基準面
50Cに対して90°に調整する。Adjustment operation 1: The jig 50 is provided with a reference glass plate (optical flat) 44 which is gradually lowered while maintaining a horizontal state by means not shown.
When the glass plate 44 is lowered as shown by the arrow in FIG. 2, the glass plate is pressed against the top surface 1a of the head portion, and the urging force of the leaf spring 43 is applied. In this state, while confirming by observing interference fringes that the top surface 1a is uniformly adhered to the glass plate in the longitudinal direction, the glass plate is placed at a predetermined height position, and the vertex adjusting screw 40 is set. To make the gap apex coincide with the head apex by the interference fringes. At the same time, the head tilt angle is adjusted to 90 ° with respect to the reference plane 50C of the jig shown in FIG.
【0019】調整作業2:アジマス調整用ねじ41、4
2を回して、ギャップラインC−Cを揺らし、アジマス
角の調整を行なう。Adjustment work 2: Azimuth adjustment screws 41, 4
By turning 2, the gap line CC is shaken to adjust the azimuth angle.
【0020】調整作業3:基準用ガラス板44には図4
に示すように十文字にケガキ線が予めいれてあり、その
1つであるケガキ線L1は所定のギャップライン位置
用、ケガキ線L2は所定のコア位置用として記されてい
る。そこで、ガラス板越しにヘッド部のギャップを観測
してケガキ線L1とギャップラインC−Cを合致させる
ことにより、ギャップ位置をヘッド中心位置に合わせ
る。Adjustment operation 3: FIG.
As shown in the figure, a marking line is previously inserted in the cross, and one of the marking lines L1 is marked for a predetermined gap line position and the marking line L2 is marked for a predetermined core position. Therefore, the gap position is adjusted to the center position of the head by observing the gap of the head portion through the glass plate and matching the marking line L1 with the gap line CC.
【0021】調整作業4:図3に示すように治具50に
は、ヘッド部1を長手方向で挾むようにして2本のトラ
ック合わせねじ45が螺合されている。そこで、このね
じ45、45を両手で操作し前後動させてケガキ線L2
と、対象となるコア3の所定位置とが合致するよう調整
し、基準面50Cとコア3間の寸法Aを定める。Adjustment work 4: As shown in FIG. 3, two track adjusting screws 45 are screwed into the jig 50 so as to sandwich the head portion 1 in the longitudinal direction. Therefore, the screws 45, 45 are operated with both hands and moved back and forth to make the marking line L2.
And the predetermined position of the target core 3 are adjusted, and the dimension A between the reference plane 50C and the core 3 is determined.
【0022】以上の4つの調整作業を同時に行なう。調
整が済んだならば各調整ねじでヘッド部1を調整状態を
保持して仮固定し、基準用ガラス板を外してから、溝空
間に樹脂を充填し、固化を待って治具50より取り外
す。The above four adjustment operations are performed simultaneously. When the adjustment is completed, the head portion 1 is temporarily fixed while holding the adjustment state with each adjustment screw, the reference glass plate is removed, the groove space is filled with resin, and after being solidified, the jig 50 is removed. .
【0023】以上により、工程の中に機械加工を含ま
ず、ねじの調整で済むので、精度が向上するとともに操
作が簡易化される。また、従来におけるアライメント調
整工程が3工程要したのに対し、同時に行なう1工程に
減少したので、組立時間が大幅に短縮され且つ、特性の
安定という効果を得られる。As described above, since the adjustment of the screw is sufficient without any machining in the process, the accuracy is improved and the operation is simplified. In addition, while the conventional alignment adjustment process requires three processes, the number of processes is reduced to one process to be performed at the same time, so that the assembling time can be greatly reduced and the effect of stabilizing characteristics can be obtained.
【0024】なお前記例において、図3に示した2本の
トラック合わせねじのうち、その片側に関しては、ばね
に置き換えることもできる。但し、高さ調整に際して支
障を生じないように、板ばね43よりも弱くする必要が
ある。In the above example, one of the two track adjusting screws shown in FIG. 3 can be replaced with a spring. However, it is necessary to make it weaker than the leaf spring 43 so as not to hinder the height adjustment.
【0025】[0025]
【発明の効果】本発明によれば、ホルダーに対するヘッ
ド部の位置出しを、簡易且つ高精度に行なうことができ
る。According to the present invention, the positioning of the head with respect to the holder can be performed easily and with high accuracy.
【図1】本発明に係る磁気ヘッドの斜視図である。FIG. 1 is a perspective view of a magnetic head according to the present invention.
【図2】本発明に係る磁気ヘッドの調整段階における側
面図である。FIG. 2 is a side view of the magnetic head according to the present invention in an adjustment stage.
【図3】本発明に係る磁気ヘッドの調整段階における正
面図である。FIG. 3 is a front view of the magnetic head according to the present invention in an adjustment stage.
【図4】本発明に係る磁気ヘッドの調整段階における平
面図である。FIG. 4 is a plan view of the magnetic head according to the present invention in an adjustment stage.
【図5】従来技術にかかる説明図である。FIG. 5 is an explanatory diagram according to the related art.
1 ヘッド部 20 ホルダー 20a 溝 40 頂点調整ねじ 41 アジマス調整ねじ 43 板ばね DESCRIPTION OF SYMBOLS 1 Head part 20 Holder 20a Groove 40 Apex adjustment screw 41 Azimuth adjustment screw 43 Leaf spring
Claims (2)
する磁気ヘッドにおいて、 溝底にヘッド部を上昇付勢するばねを設けるとともに、
前記溝の側部に頂点調整ねじ及びアジマス調整ねじをそ
れぞれ設け、前記ヘッド部を前記ばねにより上昇付勢さ
せつつ前記ねじにより調整固定するとともに前記ヘッド
部と前記溝との隙間に樹脂を充填することにより前記ヘ
ッド部を固定したことを特徴とする磁気ヘッド。1. A magnetic head for fitting and fixing a magnetic head portion in a groove of a holder, wherein a spring for raising and biasing the head portion is provided at the bottom of the groove.
An apex adjusting screw and an azimuth adjusting screw are provided on the side of the groove, respectively, and the head is raised and urged by the spring while being adjusted and fixed by the screw, and the gap between the head and the groove is filled with resin. A magnetic head, characterized in that the head section is fixed.
する磁気ヘッドの製造方法において、溝底にヘッド部を
上昇付勢するばねを設けるとともに、前記溝の側部に頂
点調整ねじ及びアジマス調整ねじをそれぞれ設け、前記
磁気ヘッドを前記ホルダの溝に対して水平及びアジマス
調整するための基準用ガラスを用い、この基準用ガラス
に、前記ホルダの溝に遊嵌されるとともに前記ばねによ
り上昇付勢された前記ヘッドを押し当てて前記ねじによ
り仮固定したのち、前記ヘッド部と前記溝との隙間に樹
脂を充填して固化させることを特徴とする磁気ヘッドの
製造方法。2. A method of manufacturing a magnetic head in which a magnetic head portion is fitted and fixed in a groove of a holder, wherein a spring for raising and urging the head portion is provided at a groove bottom, and a vertex adjusting screw and a vertex adjusting screw are provided on a side portion of the groove. An azimuth adjustment screw is provided, and a reference glass for adjusting the magnetic head horizontally and azimuth with respect to the groove of the holder is used. The reference glass is loosely fitted in the groove of the holder and is fixed by the spring. A method for manufacturing a magnetic head, comprising: pressing the head that has been urged upward, temporarily fixing the head with the screw, and then filling and solidifying a resin in a gap between the head portion and the groove.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3278063A JP2642266B2 (en) | 1991-10-24 | 1991-10-24 | Magnetic head and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3278063A JP2642266B2 (en) | 1991-10-24 | 1991-10-24 | Magnetic head and method of manufacturing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05120653A JPH05120653A (en) | 1993-05-18 |
JP2642266B2 true JP2642266B2 (en) | 1997-08-20 |
Family
ID=17592140
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3278063A Expired - Lifetime JP2642266B2 (en) | 1991-10-24 | 1991-10-24 | Magnetic head and method of manufacturing the same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2642266B2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111768752A (en) * | 2020-05-15 | 2020-10-13 | 陈立 | Key guiding and key gap adjusting device for electronic music keyboard |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3882543A (en) * | 1973-09-10 | 1975-05-06 | American Optical Corp | Tape head mount and alignment means |
JPS6114097A (en) * | 1984-06-28 | 1986-01-22 | Kawasaki Steel Corp | Submerged arc welding method of two-phase stainless steel |
JPS62239416A (en) * | 1986-04-11 | 1987-10-20 | Canon Electronics Inc | Attaching structure for magnetic head |
-
1991
- 1991-10-24 JP JP3278063A patent/JP2642266B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05120653A (en) | 1993-05-18 |
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