4.5 mm Copper Bronze Steel Sintered Bushing for Hair Dry Fan Motor

Product Description

sinter iron bronze bushings for high performance windshield wiper blades

Density	units	iron	iron copper	copper
surface porosity	g/cm3	5.7-6.2	5.7-6.2	6.6-7.2
noise(distance 50mm)	db	lubricant oil is exuded from moving face when temperature go up	lubricant oil is exuded from moving face when temperaturego up	lubricant oil is exuded from moving face when the temperature go up
abrase	u	<20	<20	<20
value of oilness	%	<15	<15	<15
crushstrength	kgf/mm2	>18	>18	>18
hardness	hb	50-100	60-110	20-50
friction factor		<0.25	<0.25	<0.15
using life	h	>2000	>2000	>2000

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Sintering Part is made by bronze or iron / stainless steel powder, iron alloy, cusn10 and so on ,mold pressed under high pressure and then sintered under high temperature, and oil is soaked into the homoeneously spreaded tiny pores of the metal under vacuum. Sintered bushing is widely used for domestic electric equipments, electirc tools, woven machines, chemical engineering machines, automobiles industry,etc.Quality standard based on JIS;DIN;GB;MPIF,etc.
Performance
Data
Chemical Composition
CuSn 6-6-3 ; CuSn 90-10
Limit Temp.
Between -100oC with +200oC
Load Capacity
100
Max. Speed m/min
2.5
Max. PV (Dry)
2.45
Sintered Bushes Performance:
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=>Chemical Composition: CuSn6Zn6Pb3, Cu90Sn10,CuSn6Zn6Pb0,Fe,Cu-Fe
=>Working Temperature: Between -100 with +200
=>Density & Gravity: 6.4-7.5g/cm3
=>Oil Impregnation Rate: 18% - 23%
=>Graphite content Rate: 1% - 3%Max
=>Hardness: HB30-75 for Bronze ; HB 35-150 for Iron
life is >2000 hours
Sintered Bushes Advantage:
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1.With lower wear rate and long lifetime.
2.Provides maintenance free operation & Dry working circustmance.
3.Suited for high static and dynamic load.
4.With low and smoothly coefficient of friction and without stick-slip effects.
5.Suitable for dirty, impact and edge load.
6.Better thermal conductivity property.

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