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Spherical Fan Motor Bushing

  • Basic Materials: Cu663,SAE841,Iron,SAE863
  • Oil rate: ≥18%
  • Hardness: 20HB-50HB
  • Application: Fan motor,electrical motor
■ Specifications
Powder metallurgy (PM) is a forming and fabrication technique consisting of three major processing stages.
First, the primary material is physically powdered, divided into many small individual particles.
Next, the powder is injected into a mold or passed through a die to produce a weakly cohesive structure (via cold welding) very near the dimensions of the object ultimately to be manufactured. Pressures of 10-50 tons per square inch are commonly used.
Also,to attain the same compression ratio across more complex pieces, it is often necessary to use lower punches as well as an upper punch.
Finally, the end part is formed by applying pressure,high temperature,long setting times (during which self-welding occurs), or any combination thereof
■ Technical Data
►Iron Material
Basic Materials Chemical Composition (%) Other Materials

SAE863 Type3

SATM B439-70 GR4

Mil-B-5687C Type…CompB


 

Cu: 18.0~22.0,
Fe: Rest
Particles: 2.0

MPIF: F - 0000 - K23 / ASTM: B 439 - 83 / DIN: SINT - B00
MPIF: F - 0008 - K32 / ASTM: B 439 - 83 / DIN: SINT - B11
MPIF: FG - 0303 - K16
MPIF: F - 0000 - K15 / K23
MPIF: F - 0005-K20 / F - 0005-K28
MPIF: F - 0008 - K20 /F - 0008 - K32

►Bronze Material 
Basic Materials Chemical Composition (%) Other Materials

SAE841 ASTM B438-70 GR1 Type 
DIN30910 PART3 SINT A50 

Mil-B-5687C Type… Comp

Cu: 87.5~90.5,
Fe: 1.0max,
Sn:9.5~10.5,
P:1.75, 
Particles:0.5
MPIF: CT- 1000 - K19 / ASTM: B 438 - 83a
MPIF: CT - 1000 - K26 / ASTM: B 438 - 83a / DIN: SINT - A50
MPIF: CT - 1000 - K37 / ASTM: B 438 - 83a / DIN: SINT - B50
MPIF: CT - 1001 - K23 / ASTM: B 438 - 83a / DIN: SINT - B51
MPIF: CT - 1001 - K33 / ASTM: B 438 - 83a / DIN: SINT - C51
MPIF: CTG - 1004 - K10
MPIF: CTG - 1004 - K15 
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