JPS59177057U

JPS59177057U - magnetic disk device

Info

Publication number: JPS59177057U
Application number: JP6995483U
Authority: JP
Inventors: 中村　倭勝
Original assignee: 三菱電機株式会社
Priority date: 1983-05-11
Filing date: 1983-05-11
Publication date: 1984-11-27

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。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のスイングアーム方式における浮動へラド
スライダのアクセス方式を示す要部の平面図、第２図は
同じく拡大してあられした浮動へラドスライダの動作説
明図、第３図は同じく浮動へラドスライダの裏面を示す
拡大斜視図、第４図は同じくスイングアームの移動によ
る浮動ヘッドスライダに流れる空気流の方向変化を示す
説明図、第５図は同じく浮動へラドスライダの浮動面に
発生する軸方向の圧力分布図、第６図は同じくヨー角と
浮動へラドスライダの浮上高さとの関係を示す曲線図、
第７図はこの考案の実施例を示す要部の側面図、第８図
はこの考案および従来技術に係るヨー角と浮動へラドス
ライダの浮上高さを示す曲線図である。１・・・浮動へラドスライダ、２．２ａ、２ｂ・・・浮
動面、３．３ａ、３ｂ・・・空気流入勾配、４・・・記
録、再生用磁気ディスク、５・・・押えばね、６・・・
スイングアーム、７・・・アーム軸受、８・・・電磁石
、９・・・プランジャ。なお、図中同符号は、同一また
は相当部分を示す。３ｂ　　　　　　　　　　２ａ３０　　　　　　　２ａ　　　＼Figure 1 is a plan view of the main parts showing the access method of the floating Radoslider in the conventional swing arm system, Figure 2 is an enlarged diagram explaining the operation of the floating Radoslider, and Figure 3 is the same as the floating Radoslider. Figure 4 is an explanatory diagram showing the change in the direction of the airflow flowing to the floating head slider due to the movement of the swing arm, and Figure 5 is an enlarged perspective view showing the back side of the floating head slider. The pressure distribution diagram, Figure 6 is also a curve diagram showing the relationship between the yaw angle and the floating height of the floating RAD slider,
FIG. 7 is a side view of essential parts showing an embodiment of this invention, and FIG. 8 is a curve diagram showing the yaw angle and flying height of the floating Radoslider according to this invention and the prior art. 1... Floating RAD slider, 2.2a, 2b... Floating surface, 3.3a, 3b... Air inflow gradient, 4... Magnetic disk for recording and reproduction, 5... Pressing spring, 6 ...
Swing arm, 7... arm bearing, 8... electromagnet, 9... plunger. Note that the same reference numerals in the figures indicate the same or corresponding parts. 3b 2a 30 2a \

Claims

[Scope of utility model registration request]

In a swing arm type magnetic disk device that records and reproduces information on a rotating recording and reproducing disk,
A magnetic disk drive characterized in that the swing arm is provided with means for increasing or decreasing the pressing force of the floating Radoslider in accordance with 5ift of the swinging arm for the floating Radoslider.