Hydraulic Pump Bushing
- The mixture of PTFE and lead is impregnated under high pressure and heat into a porous bronze layer sintered on steel. The mechanically strong steel layer, the sliding layer of low friction PTFE and the bronze layer, which strongly connects these two layers and dissipates the heat generated during operation, form a self-lubricating composite bearing element with extremely important properties and does not require lubrication again.
During the initial operation, part of the layer consisting of a mixture of PTFE and lead is plastered onto the working surface and forms a film. This ensures smoothness and creates a working surface with a low coefficient of friction. After this stage, the underlying bronze layer gradually begins to appear on the sliding surface in different areas and sizes. By the end of its lifetime, the bronze layer covers 70-90% of this surface.
Features
- Suitable for dry (non-lubricated) and hydrodynamic operation
- High speed and load capacity
- Suitable for radial, linear, axial, vibratory sliding movements
- Low coefficient of friction
- Seamless glide
- Low wear and excellent service life
- Distance from tendency to boil to other metals
- Operation over a wide temperature range
- High chemical resistance and compatibility with other fluids
- Water resistance and thus dimensional stability
- Good thermal and electrical conductivity
- Low vibration and quiet operation
- Impervious to dust and foreign matter
- Low space requirement and light weight
- Ease of assembly
- Low cost
- Variety of standard sizes and easy availability
- Compliance with environmental health standards
The mixture of POM and lead is rolled under high pressure and impregnated into a porous bronze layer sintered on steel. The mechanically strong steel layer and the sliding layer consisting of POM and the bronze layer that strongly connects these two layers and dissipates the heat generated during operation form a composite bearing element that requires low maintenance with extremely important properties. Lubrication only during assembly will be sufficient for long-term use and when lubrication is done at appropriate intervals, it can work for a very long time.
Specifications
Suitable for lubrication and hydrodynamic operation only during assembly
High speed and load capacity
Suitable for radial, linear, vibratory sliding movements
Low coefficient of friction
Seamless glide
Resistance to edge loads
Resistance to impact loads
Low wear and excellent service life
Long maintenance intervals
Distance from the tendency to boil to other metals
Operation over a wide temperature range
High chemical resistance and compatibility with other fluids
Water resistance and thus dimensional stability
Good thermal and electrical conductivity
Low vibration and quiet operation
Impervious to dust and foreign matter
Low space requirement and lightweight
Ease of assembly
Low cost
Variety of standard sizes and easy availability
Compliance with environmental health standards
Consists of bronze alloy. There are lubrication pockets on the sliding surface. It is long-lasting, resistant to abrasion, chemicals and corrosion and shows high load capacity and thermal conductivity. Main areas of use; lift machines, construction machines, agricultural and mining machines, automobiles, tractors, trucks, other automotive fields and industrial machines.
Bi-Metal bushings consist of two layers. It is obtained by sintering bronze alloy on high quality steel. It can operate with no or very little lubrication. Liquid oil or grease can be used at certain intervals only for performance enhancement. The sliding surface can be with lubrication pockets, grooves or flat. These bushings have long life, high load capacity, resistance to wear and vibration, high temperature, chemicals and corrosion and high thermal conductivity.
In automotive; car and motorcycle engines and clutches, gearbox, eccentric and steering shafts, as well as hydraulic cylinders and pumps, refrigerator compressor pumps, construction machinery, lifting machines, pneumatic equipment, medical devices and textile machines are the main areas of use. Besides these king/piston pin, rocker arm, automobile engine connecting rod, transmission system, distributor, clutch pilot, starter, generator, mill, oil pump, gear pump, water pump, main shaft, connecting rod shaft, Camshaft, intermediate shaft, balance shaft, balance shaft, cup roller, agricultural machines, press-compression machines, refrigeration machines, internal explosion engines with heavy load and speed capacity, spring eyes, trunion and other areas of use are also the most important areas for bi-metal bushings.
Hydraulic Pump Bushing Types
PTFE Bushing
