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> Sintered Bushing
Oil Sintered Iron Bushing
- Basic Materials:Iron,SAE863,ASTM B439-70
- Other Materials:SINT - B00,SINT - B11
- Oil rate:≥18%
- Hardness:40HB~70HB
- Product description: Oil Sintered Iron Bushing for general engineering applications with light loads & high speeds. Cylindrical & oil bearings,iron bearings.
PRODUCT INTRODUCTION
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.
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.
►Iron Material
| Basic Materials | Chemical Composition (%) | Other Materials |
|
SAE863 Type3 ASTM 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 |
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