JPS5963405U - plastic magnets - Google Patents

plastic magnets

Info

Publication number
JPS5963405U
JPS5963405U JP15820382U JP15820382U JPS5963405U JP S5963405 U JPS5963405 U JP S5963405U JP 15820382 U JP15820382 U JP 15820382U JP 15820382 U JP15820382 U JP 15820382U JP S5963405 U JPS5963405 U JP S5963405U
Authority
JP
Japan
Prior art keywords
plastic magnets
magnet
rim part
magnetized
diagram showing
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.)
Granted
Application number
JP15820382U
Other languages
Japanese (ja)
Other versions
JPS6350816Y2 (en
Inventor
邦義 中村
板谷　英樹
Original Assignee
日本サ−ボ株式会社
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 日本サ−ボ株式会社 filed Critical 日本サ−ボ株式会社
Priority to JP15820382U priority Critical patent/JPS5963405U/en
Publication of JPS5963405U publication Critical patent/JPS5963405U/en
Application granted granted Critical
Publication of JPS6350816Y2 publication Critical patent/JPS6350816Y2/ja
Granted legal-status Critical Current

Links

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

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

第１図ａは従来より実施されている薄肉の円環状マグネ
ットの平面図、第１図すはその断面図、第１図Ｃは射出
成形時の溶けた樹脂の流れを示す説明図、第１図ｄは硬
化後のマグネットの磁性粉末の分布を示す説明図、第１
図ｅは着磁した時の磁束分布を示す線図、第２図ａは本
考案マグネットの平面図、第２図すはその断面図、第２
図Ｃは射出成形時の樹脂の流れを示す説明図、第２図ｄ
は磁石組成の分布図、第２図ｅは着磁後の磁束分布を示
す線図で−ある。 １・・・円環状マグネット、２・・・ゲート、３・・・
密度゛の高い部分、４・・・残留磁束の大きい部分、１
１・・・リム部。Fig. 1a is a plan view of a conventional thin-walled annular magnet, Fig. 1 is a sectional view thereof, Fig. 1c is an explanatory diagram showing the flow of melted resin during injection molding, Figure d is an explanatory diagram showing the distribution of magnetic powder in the magnet after hardening.
Figure e is a diagram showing the magnetic flux distribution when magnetized, Figure 2 a is a plan view of the magnet of the present invention, Figure 2 is its cross-sectional view, and Figure 2 is a diagram showing the magnetic flux distribution when magnetized.
Figure C is an explanatory diagram showing the flow of resin during injection molding, Figure 2 d
2 is a distribution diagram of the magnet composition, and FIG. 2e is a diagram showing the magnetic flux distribution after magnetization. 1... Annular magnet, 2... Gate, 3...
High density part, 4... part with large residual magnetic flux, 1
1... Rim part.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 円環状マグネットの上端面に半径方向に延びるリム部を
形成し、このリム部に樹脂射出によるフェライト粉末の
密度の高い部分を形成せしめたことを特徴とする円周方
向に多数の磁極を着磁するプラスチックスマグネット。A rim part extending in the radial direction is formed on the upper end surface of an annular magnet, and a high-density part of ferrite powder is formed on this rim part by resin injection.A large number of magnetic poles are magnetized in the circumferential direction. plastic magnet.
JP15820382U 1982-10-21 1982-10-21 plastic magnets Granted JPS5963405U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15820382U JPS5963405U (en) 1982-10-21 1982-10-21 plastic magnets

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15820382U JPS5963405U (en) 1982-10-21 1982-10-21 plastic magnets

Publications (2)

Publication Number Publication Date
JPS5963405U true JPS5963405U (en) 1984-04-26
JPS6350816Y2 JPS6350816Y2 (en) 1988-12-27

Family

ID=30348580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15820382U Granted JPS5963405U (en) 1982-10-21 1982-10-21 plastic magnets

Country Status (1)

Country Link
JP (1) JPS5963405U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63209032A (en) * 1987-02-24 1988-08-30 Mitsubishi Electric Corp Objective lens driver
JP2012137188A (en) * 2012-04-02 2012-07-19 Nsk Ltd Rolling bearing with encoder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63209032A (en) * 1987-02-24 1988-08-30 Mitsubishi Electric Corp Objective lens driver
JP2012137188A (en) * 2012-04-02 2012-07-19 Nsk Ltd Rolling bearing with encoder

Also Published As

Publication number Publication date
JPS6350816Y2 (en) 1988-12-27

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