THE ART OF COMPRESSION

Bimetallic sliding bearings with AlSn


Bimetallic thin walled bearing shells with AlSn slide layer.

A20 material consists of two metal layers  the steel base is surfaced with the slide lining material AlSn20Cu1. The assembly is ideally suited for use in hydrodynamic lubrication condition for static and dynamic load. The material having the good slide behaviours exhibits both good fatigue strength and good corrosion resistance. In the limiting friction conditions the material shows good working adaptation. 

The face hardening of the pin improves the life service. A heat treatment above 52 HRc is recommended. Slide bearings with A20 lining are designed for pins ranging in size from 20mm to 200 mm. Due to their excellent behaviour they are used in slide fits of gasoline and Diesel engines.

Specifications
Ident. mark of TRIBOMETAL A20
Slide lining Aluminium-tin AlSn20Cu1
Steel base low - carbon steel
Production method cladding at slide lining on the steel base
Using shells, wrapped bushes, thrust bearings
Lining Hardness HV100 30-42
Max. operating temperature 160 Co

News and articles

Overhaul of ABC HORIZON 1400

The regular maintenance was carried out in 2 consecutive years by the team of TUNGS-STAR on an ABC Horizon 1400 compressor at Plastipak Romania SRL in Urlati. The 40 bar PET compressor is powered by a 280 kW motor equipped with VSD. It has 3 stages with 4 horizontally opposed cylinders.


New industrial air equipment

New 15 kW MATTEI compressor was installed next to an old 7.5 kW Mattei compressor to assure the increased production of a local company.
TUNGS-STAR is responsable for providing solutions and maintenance for the industrial air system.


ABC Compressors

Staring with October 2019 Our Company officially become the partenr of ABC COMPRESSORS. Arizaga, Bastarrica y Cía, S.A. from Spain.

Since its foundation in 1943, ABC has provided the most reliable compressors for different applications. Its global orientation and the commitment for growth was shown from its early exports in the 50’s to its latest geographical expansion, having delivered compressors in more than 120 countries.