Door-hinge solutions incorporating (Polytetrafluoroethylene) bushings offer superior performance and durability in various door applications. , commonly known as ptfe, is a synthetic fluoropolymer that exhibits excellent properties such as low friction, high chemical resistance, and exceptional temperature tolerance.
The incorporation of bushings in door hinges significantly reduces friction and wear, resulting in smoother and quieter door operation. This not only enhances the user experience but also extends the lifespan of the hinges.
Moreover, bushings are resistant to a wide range of chemicals, including acids, bases, and solvents, making them suitable for applications in harsh environments. They can also withstand extreme temperatures, ensuring reliable performance even under demanding conditions.
Door-hinge solutions with bushings are widely used in commercial, industrial, and residential settings. Wh it's a heavy-duty warehouse door or a delicate interior door, bushings provide an efficient and long-lasting hinge solution.
In summary, door-hinge solutions featuring bushings offer numerous benefits, including reduced friction, enhanced durability, and superior chemical and temperature resistance. They are an excellent choice for achieving smooth and reliable door operation in various applications.
Door-Hinge solutions Bushings
lined self-lubricating bearing also called bushing, dry bushing, bearing, bushing, coated bearing,SF-1 oilless bearing, liner metal polymer composite bearing and based plain bearing. This type of bush takes layer as sliding layer which makes products can perform very well under dry condition or oil condition.
stainless steel-backed bearings, steel sleeve bushing online quote.
self-lubricating bearing bushings material has good thermal conductivity, and wear resistance. The stainless steel backing improves the mechanical strength of the bearing as well as to allow thicker bearing wall designation requirement. Stainless steel has a good chemical resistance feature.
Tech. Data
| Standard Wall Thickness mm | 0.75 | | Max.Load | Room Temp | 120N/mm² |
| 1.00 | Max.speed | Dry running | 1m/s |
| 1.50 | Operation Temperature range | -195℃～+260℃ |
| | Friction coefficient | 0.03~0.20 |
Advantages
Improved energy efficiency with the low friction performance of -enriched overlay;
Extended service life with a high wear-resistant bronze layer;
Zero maintenance as self-lubricating bearings can operate dry without grease;
Greater reliability than bimetallic bearings by avoiding potential shaft/bearing seizure under boundary lubricated conditions and frequent stop/start operation;
Compact, lightweight designs with thin-wall bearing construction;
Reduced noise with no metal-to-metal contact between the bearing and the shaft;
Quick, simple assembly without expensive mounting tools.
| OPERATING PERFORMANCE |
| Dry | Very Good |
| Oil lubricated | Good |
| Grease lubricated | Fair |
| Water lubricated | Fair |
| Process fluid lubricated | Fair |
Typical Applications
The material is suitable for the applications of door hinges, valve components, OA machinery, and textile machinery. It is a light weight material.
Structure:
1. Fibre Mixture, provides wear resistance and self-lubricating feature.
2. Stainless Steel Mesh , provides thermal conductive property.
3. Stainless Steel Backed bushings provides mechanical strength and corrosion resistance.
Bearing Properties
| GENERAL | | Unit | Value |
| Maximum load, p | Static Dynamic | N/mm2 N/mm2 | 250 140 |
| Operating temperature | Min Max | °C °C | – 200 280 |
| Coefficient of linear thermal expansion | Parallel to the surface Normal to the surface | 10-6/K 10-6/K | 11 30 |
| DRY | | | |
| Maximum sliding speed, U | | m/s | 2.5 |
| Maximum pU factor | | N/mm2 x m/s | 1.8 |
| Coefficient of friction | | | 0.02 – 0.25 * |
| OIL LUBRICATED | | | |
| Maximum sliding speed, U | | m/s | 5.0 |
| Maximum pU factor | | N/mm2 x m/s | 5.0 |
| Coefficient of friction | | | 0.02 – 0.12 |
| RECOMMENDATIONS | | | |
| Shaft surface roughness, Ra | Dry Lubricated | µm µm | 0.3 – 0.5 ≤ 0.05 – 0.4 * |
| Shaft surface hardness | Unhardened acceptable, improved bearing life > 200HB | |
* Depending on operating conditions
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