Cheap Sintering NdFeB Permanent Magnet for Big Loudspeaker

Model NO.: 35H
Size: D130*D60*10
Tolerance: +/-0.05mm
Working Temp: 80-220 Degree
Certification: SGS/ISO9001/RoHS/Ts16949
Delivery Time: 15-20 Days
Trademark: ZY Magnet
Transport Package: OEM Carton
Specification: Rohs, SGS
Origin: Ningbo, China
HS Code: 85051110
Detailed specifications:
1.Size: Custom-made according to your requirements.
2.Grade:All kind of grade with N35 - N55, 30M - 52M, 30H - 50H, 30SH - 48SH, 28UH - 42UH, 30EH - 40EH, 30AH - 38AH.
3.Performance: High flux, high coercive force, low temperature coefficient and low loss of irreversible.
4.Coating:Ni,Zn, NiCuNi, Epoxy,Nicu+Epoxy,NiCu+Sn,Passivation,Silver, Gold, Teflon,Everlube etc.
5.Application:Motor assemblies, Automobile,Wind Generator,MRI,Speaker,IT industry ,Sensor,Communication equipments , Scanner, Camera, Home appliance and so on.
6.Certificates: SGS, ISO9001:2000,ROHS    

With advanced processing and test equipment, The stablility, consistency and tolerance of our magnets can be well controled.Choose ZhongYuan Magnet you can experience more professional technical advice, fast quotation, ordered production plan, quality control and convenient mode of transportation. Which can support us to provide good products and timely delivery. Problem analysis in your position is always our service tenet. 
 
If you have any interest or inquiries for Neodymium(NdFeB) magnet,you are welcomed to inquire here.We are sure you will be satisfied with our price and service.
Technical data of sintered NdFeB
Grade  Remanence Intrinsic Coercive Force Coercive Force Max Energy Product
Br Hcj(Min) Hcb(Min) (BH)max
kGs kOe kOe MGOe
N35 11.7~12.2 12 10.9 33~36
N38 12.2~12.5 12 11.3 36~39
N40 12.5~12.8 12 11.6 38~41
N42 12.8~13.2 12 11.6 40~43
N45 13.2~13.7 12 11.0 43~46
N48 13.7~14.2 12 11.2 46~49
N50 13.9~14.4 12 10.5 47~51
N52 14.2~14.7 11 10.5 49~53
N55 14.6~15.2 11 9.0 52~56
33M 11.3~11.7 14 10.5 31~34
35M 11.7~12.2 14 10.9 33~36
38M 12.2~12.5 14 11.3 36~39
40M 12.5~12.8 14 11.6 38~41
42M 12.8~13.2 14 12.0 40~43
45M 13.2~13.7 14 12.5 43~46
48M 13.6~14.2 14 12.8 45~49
50M 13.9~14.4 14 13.0 47~51
52M 14.2~14.7 13 12.5 49~53
33H 11.3~11.7 17 10.5 31~34
35H 11.7~12.2 17 10.9 33~36
38H 12.2~12.5 17 11.3 36~39
40H 12.5~12.8 17 11.6 38~41
42H 12.8~13.2 17 12.0 40~43
45H 13.2~13.7 17 12.2 43~46
48H 13.6~14.2 17 12.9 45~49
50H 13.9~14.4 16 13.0 47~51
33SH 11.3~11.7 20 10.6 31~34
35SH 11.7~12.2 20 11.0 33~36
38SH 12.2~12.5 20 11.4 36~39
40SH 12.5~12.8 20 11.8 38~41
42SH 12.8~13.2 20 12.2 40~43
45SH 13.2~13.7 20 12.3 43~46
48SH 13.6~14.2 19 12.5 45~49
30UH 10.8~11.3 25 10.2 28~31
33UH 11.3~11.7 25 10.7 31~34
35UH 11.7~12.2 25 10.8 33~36
38UH 12.2~12.5 25 11.0 36~39
40UH 12.5~12.8 25 11.5 38~41
42UH 12.7~13.2 25 12.2 39~43
30EH 10.8~11.3 30 10.2 28~31
33EH 11.3~11.7 30 10.3 31~34
35EH 11.7~12.2 30 10.5 33~36
38EH 12.0~12.5 30 11.5 35~39
40EH 12.5~12.9 30 11.5 38~41
28AH 10.2~10.9 34 9.8 25~29
30AH 10.7~11.3 34 10.2 27~31
33AH 11.3~11.7 34 10.5 30~34
35AH 11.7~12.2 34 11.1 33~36
38AH 12.2~12.6 33 11.6 36~39
 

It take a compressed gas as the power to form a high-speed jet to shoot glass beads on surface of work-piece that causes changes on surface and shape of the work-piece. Due to the glass beads` impact to surface, it makes the surface a certain of cleanliness and different roughness.

• It improves the mechanical properties of surface so as to enhance the fatigue-resistance of work-piece.

• It provides with parts-surface a controllable rough-surface to increase the adhesion with the paints, to extend the durability of the paints and it is also benefit to the flow and decoration of paints.

The glass bead can be produced based on the standard of countries or areas, such as EN1423/1424, AASHTO M247, BS6088, JIS R3301 and KS L2521 etc.

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