Pile drivers equipped with DX steel backed bushings are designed to
enhance durability, wear resistance, and overall performance in
pile driving applications. DX steel, often referred to as duplex
stainless steel, is a highly specialized alloy that combines the
properties of austenitic and ferritic stainless steels. This
combination results in a material that offers excellent corrosion
resistance, strength, and toughness.
The DX steel backed bushing in a pile driver serves as a critical
component, providing a wear-resistant surface that interfaces with
the pile or other driven element. The bushing's DX steel backing
ensures that it can withstand the high impact forces and abrasive
conditions encountered during pile driving operations.
The use of DX steel backed bushings in pile drivers offers several
advantages. Firstly, the corrosion resistance of DX steel helps to
extend the service life of the bushing, reducing the need for
frequent replacements. Secondly, the strength and toughness of DX
steel provide a more reliable and durable interface between the
pile driver and the pile, minimizing wear and damage to both
components.
In addition to its material properties, the design and
manufacturing of DX steel backed bushings are also crucial for
optimal performance. The bushings are precision-engineered to fit
the specific requirements of the pile driver, ensuring a secure and
precise fit. The manufacturing process typically involves precision
machining, heat treatment, and surface finishing to achieve the
desired properties and performance.
Overall, pile drivers equipped with DX steel backed bushings are
designed to provide superior durability, wear resistance, and
performance in pile driving applications. The use of DX steel
ensures that the bushings can withstand the demanding conditions
encountered during pile driving operations, extending the service
life of the pile driver and reducing the need for maintenance and
repairs.
Pile Drivers Dx Steel Backed Bushing
Metal-Polymer Bushings Bearings General industrial machinery, heavy
machinery, machining facilities, plants, and automotive parts
| With Steel Backing | POM BUSHING |
Pile Driver Bushings - ISO CE Certified high-performance
self-lubricating bearings Production experience with advanced
self-lubricating bearings technology, Drilling machinery sleeve
bushing large size pom bushes. Excellent quality. Good
service.Well-equipped machine plain bearings.
Piling Machine Dx Steel Backed Bushing 150120 large size POM
composite bushing, hydraulic static pile driving machine sleeve
bushings
Pile driver bushings
Pile driver is used to driving piles into the soil to provide
foundation support for buildings or other structures. The term is
also used to refer to a construction worker working with a piling
rig. One type of pile driver USES heavy weights placed between
guide rails to enable vertical sliding. It sits on top of a pile.
Weight gain, which may involve hydraulic, steam, diesel, or manual
labor use. When the weight reaches its highest point, it is
released and hits the pile, driving it into the ground.
Metal-Polymer Plain-Bearings
The inner diameter
(150 mm)
Outer diameter
(155 mm)
The thickness of the
(120 mm)
Drive Shaft Assemblies Replacement Parts
Hydraulic Drilling Rig Self-lubricating Bearing Bushing ·
Exploration Drill Rig Sleeve Bushing· Solar Pile Driver Sliding
Bearinb· Big Diameter Drill Rig Plain Bearing
| Size | customizable |
| Bushing Type | POM Sleeve Bearings |
| Processing methods | Cold-extrusion |
| Surface treatment | Tin plating /Copper plating |
| Operating temperature | -40~120 |
| Application field | automobile chassis, Forging Machine, Metallurgical machinery,
Mining machinery, Water conservancy machinery, Steel rolling
industry.etc |
| Material | Steel base+ Bronze powder+ POM |
Pre-lubricated bearings give you the widest application range
Handling and lifting equipment Application:
DX bearings pulley sheaves for support cable pile drivers
Metal-Polymer Self-lubricating and Maintenance-free Bearing
Solutions
Bi-metal Steel Backed Bronze with POM Bearing Bushing
Suitable for rotating and oscillating movements, less maintenance
due to long lubrication intervals, less wear, less sensitive to
edge loads, no water absorption and therefore no swelling, good
shock absorption, good impact resistance.
POM composite plain bearings are available as straight bushings,
washers and strips.
Characteristics
- Permissible load (dyn/stat), N/mm2: 120 (v ≤ 0,02) / 250
- Permissible sliding velocity, m/s: 2,5 (p ≤ 1,0)1)
- Friction coefficient m: 0,02 .. 0,20
- Temperature range, °C: –40 .. +110
Application recommendations
- Shaft tolerance: f7 – h8
- Housing tolerance: H7
- Shaft roughness Ra, mm: 0 .. 0,8
- Shaft hardness, HB: 150 – 600
POM comsposite steel backed bushing
- maintenance-free operation
- very good frictional properties
- high load carrying capacity
- high sliding velocity
- small operating clearance
Material of composite POM bushings
POM composite plain bearings are suitable for applications that
require minimal maintenance in difficult operating conditions. As a
result of the lubricant holding pockets on the sliding surface, POM
composite bearings are especially suitable for applications in
contaminated environments, where the lubricant cannot be supplied
continuously or frequently.
POM composite bushings Structrue
1. POM thickness 0.30 ~ 0.50 mm. Providing high wear resistance and
low friction even with a minimal volume of lubricant, this bearing
surface has a pattern of circular indentations which should be
filled with grease during bearing assembly.
2. Thickness of sintered bronze powder 0.20-0.35 mm. A special
composition of powdered copper is thermally fused to the steel
support. This contact layer acts as an anchor for the layer and
moves heat build-up away from the bearing surfaces.
3. Low carbon steel. Establishing the base of the bushings, the
steel back provides exceptional characteristics of stability, load
and heat dissipation.
Technical Data
| Max. load | Static | 250N/mm² | | Operating temperature | -40°C~+110°C ; |
| Low speed | 140N/mm² | maximum line velocity | Pre-lubrication | 2m/s |
| The motion of rotation and sway | 70N/mm² | Oil/grease is continuously lubricated | >2m/s |
| Max. PV value (grease) | 3N/mm²*m/s | Heat conductivity coefficient | 50W(m*K)-1 |
| coefficient of thermal expansion | 11*10-6*K-1 | Coefficient of friction | 0.05~0.20 |
| The holes must be filled with lubricating grease during initial
assembly |
POM composite bushings Application
POM composite bushings are suitable for applications where a
sliding material with self-lubricating properties is essential.
- agricultural equipment
- construction machinery
- material handling equipment
- home appliances and consumer goods
Lubrication of POM composite bushings
POM composite plain bearings are designed for marginal lubrication.
The sliding surface of these plain bearings contains grease
reservoirs that must be filled before assembly. There is no need to
re-lubricate these plain bearings, but the presence of lubricant
can significantly extend the service life of the plain bearings.
Grease may be applied periodically to protect the counterface from
corrosion.
POM composite bushings
