BRAKE MAGNET / MAGNET POLE

 

 

A 
(in mm)

7 ± 0.3

8 ± 0.3

9 ± 0.3

10 ± 0.3

12 ± 0.3

15 ± 0.3

18 ± 0.3

B

              

 

RING MAGNETS

 

 

A

3 ± 0.15

3 ± 0.15

B

23 ± 0.15

23 ± 0.15

 

The Technical Specification :-

  ALNICO 1 ALNICO 3 ALNICO 5 ALNICO 6




Chemical Composition


 Al 13 12 08 08
Ni 25 25 14 16
Co - 5 24 24
Cu 4 4 03 03
Ti - - - 0.5-1
Magnetic Properties
 ( nominal)
Max.Energy
(BH) max (MGO)
 1.30 1.45 5.5 3.9
Residual Induction
Br (Kilogauss)		 6.4 6.2 12.8 10.5
Coercive force Hc
(oersteds)		 540 620 640 780
Intrinsic Coercive Force
Hci (oersteds)		 550 575 640 800
Density g/cm3 6.9 6.9 7.3 7.3

Tensile Strength psi

 12000 4100 5400 23000

Transverse Modulus of Rupture psi

 22500 13900 10500 45000

Hardness (Rockwell c)

 45 45 50 50

Electrical Resistivity Ohm-cm x 10-6
(at 20 oc)

 60 75 47 50

 

 Applications :-

Electrical Industry : Kwh Electrical Energy meters. 

Automobiles : Speedometers. 

Computers : Hard disks & Drivers

 

RING MAGNETS

 

 

 
 
 
The Technical Specification :-
 
 
Accurate Name        
Outer Dia. (A) 22.80 - 23.00 24.70 - 24.90 25.0 - 25.10 22.80 - 23.00
Thickness (B) 3.40 - 3.60 3.40 - 3.60 4.90 - 5.10 3.90 - 4.10
Inner Dia.1(C) 6.00 - 6.20 6.00 - 6.20 6.00 - 6.20 6.01 - 6.10
Inner Dia.2(D) 6.10 - 6.60 6.60 - 6.80 6.10 - 6.60 6.20 - 6.60
Ring Dia. (E) 19.30 - 20.30 17.50 - 18.50 17.50 -  18.50 17.50 - 18.50
Parallelism 0.2 0.2 0.2 0.05
Run Out 0.2 max 0.2 max 0.2 max 0.1 max