Samarium Cobalt Block Magnets for Motors

1、Item name: Samarium Cobalt block Magnets for motors
2、General Information
Well known as Rare Earth magnets, Samarium Cobalt (SmCo) is alloys of the Lanthanide group of elements, which is first kind of commercialized permanent magnet materials from early 1980’s. SmCo magnets are available in a number of different grades that span a wide range of properties and application requirements.

Function

Product  Info
 1、Item  name: Samarium Cobalt block Magnets for motors
 2、General Information
 Well  known as Rare Earth magnets, Samarium Cobalt (SmCo) is alloys of the Lanthanide  group of elements, which is first kind of commercialized permanent magnet materials  from early 1980’s. SmCo magnets are available in a number of different grades  that span a wide range of properties and application requirements. 
 SmCo magnets are brittle and machining operations should be performed  prior to magnetization, using diamond tools. We are equipped to fabricate these  materials to blueprint specifications.
 SmCo magnets are anisotropic, and can only be magnetized in the  orientation direction. In general, magnetizing fields of about 35 to 45 kOe are  required to saturate SmCo materials.
 3、Assemblies
 We  are able to manufacture metal and other components of finished sub assemblies  using our CNC machining facilities. 
 Assemblies can be fabricated by adhering magnets with adhesives to suit a range  of environments, by mechanically fastening magnets, or by a combination of  these methods. Due to the relatively brittle nature of these magnet  materials,press fits are not recommended. When multiple magnets are  assembled in repelling positions, it is advisable to use mechanical fastening in  addition to adhesives, since if adhesives were to give way, repelling magnets  may dislodge and endanger personnel using them. Our design engineering team  will be happy to assist you in designing both magnetic circuits and housings  for your magnet assemblies.
 4、Surface TreatmentsThe corrosion  resistance of SmCo is considered good . Coatings for corrosion resistance are  therefore not generally required for SmCo magnets.However,sometimes we supply  SmCo magnets with Ni coating according to customers’ requirements.
 5、Machining
 SmCo  is extremely brittle, and highly prone to chipping and cracking. Special  machining techniques, involving diamond-grinding techniques, must be used to  machine this material. We are fully equipped to machine these materials to your  blueprint specifications.
 6、Magnetizing and Handling
 SmCo  magnets require extremely high magnetizing fields and special  consideration must be given to this when designing complex assemblies, if it is  intended to magnetize after assembly. Consult us if you foresee any  problems. 
 SmCo magnets are mechanically very weak, and magnetically very strong.  They must therefore be handled very carefully to avoid damage and injury to  personnel handling the magnets. Receiving and assembly personnel should be  warned about the dangers of handling magnetized SmCo magnets.
 7、Temperature Effects
 SmCo  magnets can operate at temperatures up to 350 C, depending upon the grade and  permeance coefficient. Sm2Co17 materials exhibit superior temperature  characteristics as compared to the Sm1Co5 types. 

SmCo  Property List:

 Grades

Br

Hcb

Hcj

(BH)max

YXG-24H

0.95-1.02

9.5-10.2

700-750

8.7-9.4

≥1900

≥25

175-191

22-24

YXG-26H

1.02-1.05

10.2-10.5

750-780

9.4-9.8

≥1900

≥25

191-207

24-26

YXG-28H

1.03-1.08

10.3-10.8

756-796

9.5-10.0

≥1900

≥25

207-220

26-28

YXG-30H

1.08-1.10

10.8-11.0

788-835

9.9-10.5

≥1900

≥25

220-240

28-30

YXG-24

0.95-1.02

9.5-10.2

700-750

8.7-9.4

≥1433

≥18

175-191

22-24

YXG-26

1.02-1.05

10.2-10.5

750-780

9.4-9.8

≥1433

≥18

191-207

24-26

YXG-28

1.03-1.08

10.3-10.8

756-796

9.5-10

≥1433

≥18

207-220

26-28

YXG-30

1.08-1.10

10.8-11.0

788-835

9.9-10.5

≥1433

≥18

220-240

28-30

YXG-26M

1.02-1.05

10.2-10.5

750-780

9.4-9.8

955-1273

43085

191-207

24-26

YXG-28M

1.03-1.08

10.3-10.8

756-796

9.5-10.0

955-1273

43085

207-220

26-28

YXG-30M

1.08-1.10

10.8-11.0

788-835

9.9-10.5

955-1273

43085

220-240

28-30

YXG-28L

1.02-1.08

10.2-10.8

413-716

5.2-9.0

438-796

5.5-10

207-220

26-28

YXG-30L

1.08-1.15

10.8-11.5

413-716

5.2-9.0

438-796

5.5-10

220-240

28-30


Product picture: 

 Samarium Cobalt block Magnets for motors


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