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Ningbo Nide Tech Co., Ltd
NINGBO NIDE TECH CO.,LTD We specialize in the field of electric motors, covering motor manufacturing machinery, DC motor,commutator,ball bearing and carbon brush.
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Permanent DC Motor Arc Segment Magnets / Arc Ferrite Magnets Natural Color

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Permanent DC Motor Arc Segment Magnets / Arc Ferrite Magnets Natural Color

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Brand Name : NIDE

Model Number : NDPJ-CW-5

Certification : CE

Place of Origin : China

MOQ : 100 kilogram

Price : negotiable

Payment Terms : L/C, T/T

Supply Ability : 10000000 kilogram per month

Delivery Time : 30 working days

Packaging Details : Wooden case suitable for sea transportation

Product name : Motor Magnet

Color : Natural

Used for : motor and power tool

Size : custmoized

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Magnets for window-rolling motors are applicable for all cars based on Y30H-3 materical grade.

Permanent DC Motor Arc Segment Magnets / Arc Ferrite Magnets Natural Color

Permanent DC Motor Arc Segment Magnets / Arc Ferrite Magnets Natural Color

Ferrite Magnet Grade Equivalent

Item Grade Br T(GS)

HCB

kA/m(kOe)

HCJ

kA/m(kOe)

(BH) max

kJ/m³(MGOe)

IEC standard

IEC60404-8-1: 2001

 Hard ferrite 32/25 SI-1-9 ≥0.41 ≥240 ≥250 ≥32.00
≥4100 ≥3016 ≥3142 ≥4.02
Hard ferrite 24/35 SI-1-10 ≥0.36 ≥260 ≥350 ≥24.00
≥3600 ≥3267 ≥4398 ≥3.02
Hard ferrite 25/38 SI-1-12 ≥0.38 ≥275 ≥380 ≥25.00
≥3800 ≥3456 ≥4775 ≥3.14
Hard ferrite 31/30 SI-1-13 ≥0.41 ≥295 ≥300 ≥31.00
≥4100 ≥3707 ≥3770 ≥3.896

NIDE

Standard

Q/74690217-4.1-2004

 JC-Y3932 0.380-0.400 230-275 235-290 27.8-32.5
(3800-4000) (2890-3456) (2953-3644) (3.49-4.10)
JC-Y3939 0.385-0.4000 270-290 280-320 28.5-31.8
(3800-4000) (3391-3644) (3518-4021) (3.58-4.00)
JC-Y4041 0.395-0.415 275-295 310-340 28.2-32.0
(3950-4150) (3456-3707) (3895-4272) (3.54-4.02)
JC-Y4127 0.400-0.424 200-225 205-228 30.0-33.6
(4000-4240) (2514-2827) (2577-2865) (3.77-4.22)
JC-Y4231 0.410-0.430 220-260 255-270 31.8-35.5
(4100-4300) (2765-3267) (2827-3391) (4.00-4.46)
JC-Y3744 0.360-0.380 265-288 330-360 24.0-28.0
(3600-3800) (3330-3620) (4147-4524) (3.02-3.53)
JC-Y3849 0.370-0.390 271-305 370-400 26.0-30.2
(3700-3900) (3405-3833) (4649-5026) (3.27-3.80)
JC-Y4240 0.410-0.430 291-314 306.1-330 32.0-35.4
(4100-4300) (3657-3946) (3846-4147) (4.02-4.45)

Permanent DC Motor Arc Segment Magnets / Arc Ferrite Magnets Natural Color

Physical characteristics of permanent ferrite& technical property

Item Symbol Unit Value Note
Temperature range — ℃ -40~+80
Expand coefficient αR K-1 7~15X10-6
Density d g/cm³ 4.5~5.1
Resistivity p Ω·cm 104 ~ 108
Curie temperature θc ℃ 460~480
Temperature coefficient of remanence αBr K-1 -(0.18~0.20)% 0~100
Temperature coefficient of coercive force αHCJ K-1 (0.20~0.50)% 0~100
Recoil permeability μ — 1.05~1.30
Hardness Hv — 480~580

NIDE can offer a variety of motor magnets, please contact us if necessary.

Permanent DC Motor Arc Segment Magnets / Arc Ferrite Magnets Natural Color

Permanent DC Motor Arc Segment Magnets / Arc Ferrite Magnets Natural Color


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