JPH0345252U

JPH0345252U -

Info

Publication number: JPH0345252U
Application number: JP10266189U
Authority: JP
Priority date: 1989-08-31
Filing date: 1989-08-31
Publication date: 1991-04-25

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す平面図、第２
図は本考案によるデイスククランプの実装構造を
示す一部破断した要部側面図、第３図は磁気デイ
スク装置の構成を示す一部破断した要部側面図、
第４図は従来のスピンドル系の調整方法を示す模
式的要部斜視図である。図において、１……トリガーマーク、２……ス
ピンドルモータ、３……磁気デイスク、４……回
転軸係入孔、５……バランス補正用デイスククラ
ンプ（デイスククランプ）、６……バランス補正
用の錘（錘）、７……ベアリング、９……スペー
サ、１２……スピンドルモータの回転軸、１６…
…錘装着ゾーン、１７……環状の突起部（突起部
）、２０……スピンドル系、２５……従来のデイ
スククランプ、３０……固定ネジ、３１……ネジ
挿通孔、５０……磁気ヘツド、Ｋ……錘装着点、
Ｏ……スピンドル系の回転中心、Ｏ′……突起部
の形成中心、をそれぞれ示す。 Figure 1 is a plan view showing one embodiment of the present invention;
The figure is a partially broken side view of the main part showing the mounting structure of the disk clamp according to the present invention, and FIG. 3 is a partially broken side view of the main part showing the configuration of the magnetic disk device.
FIG. 4 is a schematic perspective view of essential parts showing a conventional method for adjusting a spindle system. In the figure, 1...Trigger mark, 2...Spindle motor, 3...Magnetic disk, 4...Rotary shaft insertion hole, 5...Disk clamp for balance correction (disk clamp), 6... Weight, 7... Bearing, 9... Spacer, 12... Rotating shaft of spindle motor, 16...
... Weight mounting zone, 17 ... Annular protrusion (protrusion), 20 ... Spindle system, 25 ... Conventional disk clamp, 30 ... Fixing screw, 31 ... Screw insertion hole, 50 ... Magnetic head, K... weight attachment point,
O indicates the center of rotation of the spindle system, and O' indicates the center of formation of the protrusion, respectively.

Claims

[Scope of Claim for Utility Model Registration] A disk clamp for fixing a magnetic disk 3 to a rotating shaft 12 of a spindle motor 2, which includes a weight mounting zone 16 for mounting a weight 6 for balance correction, and a weight mounting zone 16 provided on the outer periphery thereof. The spindle system 20 is equipped with an annular protrusion 17 and
A disc clamp for balance correction, characterized in that it is equipped with a trigger mark 1 that serves as an index when testing the dynamic balance of.