JPH04370513A - Friction coefficient measuring method for magnetic disk plate - Google Patents
Friction coefficient measuring method for magnetic disk plateInfo
- Publication number
- JPH04370513A JPH04370513A JP14642591A JP14642591A JPH04370513A JP H04370513 A JPH04370513 A JP H04370513A JP 14642591 A JP14642591 A JP 14642591A JP 14642591 A JP14642591 A JP 14642591A JP H04370513 A JPH04370513 A JP H04370513A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic disk
- head
- disk plate
- friction coefficient
- measuring
- 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
- 238000000034 method Methods 0.000 title claims description 8
- 238000005259 measurement Methods 0.000 abstract description 9
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
Landscapes
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、磁気ディスク板に関し
、特に磁気ディスク板の摩擦係数の測定方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a magnetic disk plate, and more particularly to a method for measuring the coefficient of friction of a magnetic disk plate.
【０００２】0002
【従来の技術】従来の磁気ディスク板の摩擦係数の測定
方法は、摩擦係数測定用ヘッド（以下、ヘッドと呼ぶ）
を磁気ディスク板にロード後、一定回転させて測定を行
い、測定終了時、回転を停止し、ヘッドをアンロードさ
せている。[Prior Art] A conventional method for measuring the coefficient of friction of a magnetic disk plate is to use a head for measuring the coefficient of friction (hereinafter referred to as a head).
After loading the magnetic disk onto the magnetic disk plate, the head is rotated for a certain amount of time and measured. When the measurement is completed, the rotation is stopped and the head is unloaded.
【０００３】0003
【発明が解決しようとする課題】上述したように従来の
摩擦係数の測定方法は、測定終了時、回転を停止し、ヘ
ッドをアンロードさせているので、ヘッドが磁気ディス
ク板表面に吸着した時は、アンロードさせにくく、無理
にアンロードさせると、ヘッドの姿勢が崩れ、磁気ディ
スク板表面に傷が付き易くなるという欠点がある。[Problems to be Solved by the Invention] As mentioned above, in the conventional friction coefficient measurement method, when the measurement is completed, the rotation is stopped and the head is unloaded. The disadvantage is that it is difficult to unload, and if unloaded forcibly, the head posture will collapse and the surface of the magnetic disk will be easily scratched.
【０００４】本発明の目的は、磁気ディスク板を回転さ
せながら摩擦係数測定用のヘッドをアンロードすること
により、上記の欠点を除去し、測定終了時でのヘッド吸
着を抑え、安定したヘッドのアンロードができる磁気デ
ィスク板の摩擦係数測定方法を提供することにある。An object of the present invention is to eliminate the above-mentioned drawbacks, suppress head adhesion at the end of measurement, and maintain stable head performance by unloading the head for friction coefficient measurement while rotating the magnetic disk plate. An object of the present invention is to provide a method for measuring the coefficient of friction of a magnetic disk plate that can be unloaded.
【０００５】[0005]
【課題を解決するための手段】本発明の磁気ディスク板
の摩擦係数測定方法は、摩擦係数測定用ヘッドをロード
し、磁気ディスク板を一定回転させて磁気ディスク板の
摩擦係数を測定後、磁気ディスク板を一定回転させなが
ら前記摩擦係数測定用ヘッドをアンロードしている。[Means for Solving the Problems] The method for measuring the coefficient of friction of a magnetic disk plate of the present invention involves loading a head for measuring the friction coefficient, rotating the magnetic disk plate at a constant rate, measuring the coefficient of friction of the magnetic disk plate, and then measuring the friction coefficient of the magnetic disk plate. The friction coefficient measuring head is unloaded while rotating the disk plate at a constant rate.
【０００６】[0006]
【実施例】次に、本発明の実施例について図面を参照し
て説明する。Embodiments Next, embodiments of the present invention will be described with reference to the drawings.
【０００７】図１は本発明の一実施例の磁気ディスク板
の摩擦係数測定方法を説明するための試験機の平面図、
図２は図１の矢視Ａでヘッドが磁気ディスク板にロード
された状態を示す側面図、図３は図１の矢視Ａでヘッド
が磁気ディスク板からアンロードされた状態を示す側面
図である。FIG. 1 is a plan view of a testing machine for explaining a method for measuring the coefficient of friction of a magnetic disk plate according to an embodiment of the present invention.
2 is a side view showing the state in which the head is loaded onto the magnetic disk plate as viewed from arrow A in FIG. 1, and FIG. 3 is a side view showing the state in which the head is unloaded from the magnetic disk plate as viewed from arrow A in FIG. It is.
【０００８】図１、図２、図３において、本実施例の試
験機は、摩擦係数測定用のヘッド１と、測定用の磁気デ
ィスク板２と、記録計３とで構成されており、Ｘはヘッ
ド１のロード状態を示し、Ｙはヘッド１のアンロード状
態を示し、Ｚは磁気ディスク板２の回転状態を示してい
る。In FIGS. 1, 2, and 3, the testing machine of this embodiment is composed of a head 1 for measuring the coefficient of friction, a magnetic disk plate 2 for measurement, and a recorder 3. indicates the loaded state of the head 1, Y indicates the unloaded state of the head 1, and Z indicates the rotating state of the magnetic disk plate 2.
【０００９】ここで、ヘッド１を磁気ディスク板２に、
Ｘに示すように、ロード後、磁気ディスク板２を、Ｚに
示すように、回転させ、摩擦係数の測定を行い、記録計
３に記録する。Here, the head 1 is attached to the magnetic disk plate 2,
After loading as shown in X, the magnetic disk plate 2 is rotated as shown in Z, and the coefficient of friction is measured and recorded on the recorder 3.
【００１０】そして、測定が終了したならば、Ｚに示す
ように、回転したままヘッド１を、Ｙに示すように、ア
ンロードさせる。When the measurement is completed, the head 1 is unloaded as shown in Y while being rotated as shown in Z.
【００１１】[0011]
【発明の効果】以上説明したように、本発明の磁気ディ
スク板の摩擦係数測定方法は、磁気ディスク板を回転さ
せながら摩擦係数測定用のヘッドをアンロードすること
により、測定終了時でのヘッド吸着を抑え、安定したヘ
ッドのアンロードができるという効果がある。As explained above, the method for measuring the coefficient of friction of a magnetic disk plate according to the present invention unloads the head for measuring the friction coefficient while rotating the magnetic disk plate. This has the effect of suppressing adhesion and allowing stable head unloading.
【図１】本発明の一実施例の磁気ディスク板の摩擦係数
測定方法を説明するための試験機の平面図である。FIG. 1 is a plan view of a testing machine for explaining a method for measuring the coefficient of friction of a magnetic disk plate according to an embodiment of the present invention.
【図２】図１の矢視Ａでヘッドが磁気ディスク板にロー
ドされた状態を示す側面図である。2 is a side view showing a state in which a head is loaded onto a magnetic disk plate in the direction of arrow A in FIG. 1; FIG.
【図３】図１の矢視Ａでヘッドが磁気ディスク板からア
ンロードされた状態を示す側面図である。3 is a side view showing a state in which the head is unloaded from the magnetic disk plate in the direction of arrow A in FIG. 1; FIG.
１ ヘッド ２ 磁気ディスク板 ３ 記録計 Ｘ ヘッド１のロード状態 Ｙ ヘッド１のアンロード状態 1 Head 2 Magnetic disk board 3 Recorder X Head 1 loading status Y Head 1 unloaded status
Claims (1)
気ディスク板を一定回転させて前記磁気ディスク板の摩
擦係数を測定後、前記磁気ディスク板を一定回転させな
がら前記摩擦係数測定用ヘッドをアンロードすることを
特徴とする磁気ディスク板の摩擦係数測定方法。1. After loading a friction coefficient measuring head and measuring the friction coefficient of the magnetic disk plate by rotating the magnetic disk plate at a constant rate, unloading the friction coefficient measuring head while rotating the magnetic disk plate at a constant rate. A method for measuring the coefficient of friction of a magnetic disk plate, characterized by loading the plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14642591A JPH04370513A (en) | 1991-06-19 | 1991-06-19 | Friction coefficient measuring method for magnetic disk plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14642591A JPH04370513A (en) | 1991-06-19 | 1991-06-19 | Friction coefficient measuring method for magnetic disk plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04370513A true JPH04370513A (en) | 1992-12-22 |
Family
ID=15407394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14642591A Pending JPH04370513A (en) | 1991-06-19 | 1991-06-19 | Friction coefficient measuring method for magnetic disk plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04370513A (en) |
-
1991
- 1991-06-19 JP JP14642591A patent/JPH04370513A/en active Pending
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