3º) Great compability with surroundin environment, reducing noise levels and contamination through
gas escapes.

4º) High volumetric efficiency of the combustion chamber (4 or more valves per cylinder). High rpm rate. Electronic injection systems both in gas as well as diesel and diminution in weight of parts in movement. High gas and injection pressures in diesel and high combustion temperatures are used
to comply above mentioned requirements.

Consequently, this will automatically increase load in each component part of the engine and particularl the bearings.

All experience abtained up to now and one to be adquired, is passed to users through SINTERMETAL´s bearing, responding fully to extreme service conditions with wished confiability.

1) Continuous cast copper lead bearings “Sintermetal F”
The antifriction material, in intermediate layer of the bearing, is a mix of heterogeneous copper lead, of thin grain and poreless, where lead, element acting as antifriction, must preferably be located in friction zone with the journal and far away, if possible, from steelback, with which it doesn’t adhere, so thus obtained through continous casting process on steel strip, by the use of quick cooling speeds scientifically checked to achieve the fixing of ideal lead structures formed as vertical nedles (dentritics) instead of nodules, thus proving to our bearing an unequalled fatigue resistance.

This process, originally patented by an United States firm, demands as its name indicates, a continous process of manufacture in time, that´s why Sintermetal SAIC imports this material in the form of strip. with the cast copper lead of the intermediate layer already adhered, allowing the manufacture at Argentina of an ideal bearing for turbocharged diesel engines or normally pretended ones of great demand.

2) Aluminium -Tin 20% steel backed bearings
In the case of our Aluminium bearings, made through lamination process with simultaneous thermic treatment in between the different steps, making tin to be distributed in reticular matrix of aluminium, thus allowing the obtention of mechanic properties that exceed in 80% load capacity of babbit, due to its has great fatigue resistance, so consequently very much used in actual rapid gas and diesel engines.

Finally, the carefull selection of the various materials, the complementing function of the different layers and thicknesses exactly adapted in between them, achieved through modern conforming processes, mechanization and galvanoplasty, with Argentinian manual labor conveniently trained and supervised, as well as imported strip already mentioned, transform finished bearings to be in an international level, and suitable to be installed.

3) Sintered material 80-10-10 (SAE 797) “Sintermetal SB”
Material used for general construction of bushings, very resistant to blows and high load capacity. Also used in beam´s bushings, thrust washers exposed to hig impact, velocity box and piston pin of gas engines.

4) Cast Material 80-10-10 “Sintermetal FB”
Also as above mentioned, used in bushings construction where load may reach limit values, as for example, in piston bushings for diesel turbo engines.

F: Cast Copper Lead (imported strip) B: Babbit metal FB: Cast material 80-10-10

EXAMPLE: 10-327/6 F

10 - Con rod bearings set
327 - Sintermetal engine number.
/6 - Cuantity of pair by set
F - Material
10 - Con Rod. Bearings set 20 - Main bearing set
30 - Thrust washer set 40 - Camshaft bearings 50 - Flanged bearing 60 - Piston pin bushing. 70 - Rocker arm bushing. 80 - Bushing for antivibration shafts 90 - Various bushings

NOTE: In case of flanged bearings:
The Fig. ‚correspond to half bearing.
The letter H correspond to a pair.
Figure © correspond to a bushing.

EQUIVALENCE IN MILIMETERS FOR ORIGINAL CRANKSHAFTS IN INCHES

Taking into account that an undersize of 0.10” in inches is equivalent to 0,254mm and so on the following undersizes:

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