THRUST WASHER, BRONZE WITH SOLID LUBRICANT
THRUST WASHER, BRONZE WITH SOLID LUBRICANT
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THRUST WASHER, BRONZE WITH SOLID LUBRICANT
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Here is the chart for the various models with their dimensions:
| Model | Dimensions (ID*OD*THICKNESS) |
|---|---|
| JTW-08 | 8.2*28*3 |
| JTW-10 | 10.2*30*3 |
| JTW-12 | 12.2*40*3 |
| JTW-13 | 13.2*40*3 |
| JTW-14 | 14.2*40*3 |
| JTW-15 | 15.2*50*3 |
| JTW-16 | 16.2*50*3 |
| JTW-18 | 18.2*50*3 |
| JTW-20 | 20.2*50*5 |
| JTW-25 | 25.2*55*5 |
| JTW-30 | 30.2*60*5 |
| JTW-35 | 35.2*70*5 |
| JTW-40 | 40.2*80*7 |
| JTW-45 | 45.2*90*7 |
| JTW-50 | 50.3*100*8 |
| JTW-55 | 55.3*110*8 |
| JTW-60 | 60.3*120*8 |
| JTW-65 | 65.3*125*8 |
| JTW-70 | 70.3*130*10 |
| JTW-75 | 75.3*140*10 |
| JTW-80 | 80.3*150*10 |
| JTW-90 | 90.5*170*10 |
| JTW-100 | 100.5*190*10 |
| JTW-120 | 120.5*200*10 |
The term “JTW washer” appears to refer to a type of thrust washer made by VIIPLUS, a company specializing in self-lubricating bronze washers with graphite plugs. These thrust washers are designed for various applications, offering outstanding load-bearing capabilities, wear resistance, and high performance due to their high tensile brass alloy material.
While specific details about the JTW washer may vary, they are generally used in applications where low friction and self-lubrication are required. The solid lubrication and bronze construction make them suitable for tasks such as die slide thrust washers.
For more specific information about the JTW washer, including sizes and technical specifications, you can visit VIIPLUS’s official website or contact them directly for a quote and product details
Thrust Washer Material, Graphite Plugged Thrust Gasket & Washer. Start Sourcing.
Material: Bronze with solid lubricant, oilless lubricating
Characteristics for base material
Cu 60–66%
Al 5,0–7,5%
Fe 2,0–4,0%
Mn 2,5–5,0%
Zn 17,5–31,5%
Thrust washers made of bronze with solid lubricant consist of a base material that includes a specific blend of metals. The composition of the base material can significantly impact the performance and durability of the thrust washer.
The base material for these thrust washers typically consists of:
- Copper (Cu) ranging from 60% to 66%
- Aluminum (Al) ranging from 5.0% to 7.5%
- Iron (Fe) ranging from 2.0% to 4.0%
- Manganese (Mn) ranging from 2.5% to 5.0%
- Zinc (Zn) ranging from 17.5% to 31.5%
Copper is the primary component of the base material and provides excellent strength and durability, allowing the thrust washer to withstand heavy loads without losing its shape or functionality. The aluminum content helps improve the thermal conductivity of the thrust washer, ensuring efficient heat dissipation.
Iron and manganese improve the strength and wear resistance of the thrust washer, while zinc helps with corrosion resistance, ensuring the thrust washer remains in good condition even in harsh environments.
Overall, the specific blend of metals in the base material of thrust washers made of bronze with solid lubricant provides excellent strength, durability, and resistance to wear and corrosion. This ensures that the thrust washer can perform reliably and efficiently in a wide range of industrial applications.
Special version
Rebuilds and other specifications and designs upon request.
Low-maintenance sliding elements are essential components in both tool and die building and machine building industries. These elements are used for both linear and rotary motion applications, providing a smooth and efficient operation while minimizing maintenance requirements.
The materials used for these sliding elements typically consist of a base material (refer to the chart) and an overlapping network of solid lubricant deposits. These deposits are embedded in a uniform geometric pattern to ensure optimum lubrication coverage in the direction of movement. The allowable directional movements can be found in the catalogue pages and are marked with symbols.
For the best sliding conditions, it is recommended to combine the sliding elements with a hardened and ground opposing surface that is at least 100 HB harder than the base material. A surface roughness of approximately Rz6.3 is optimal. The selection matrix found in the beginning of chapter D can help determine suitable product combinations of guide pillars and low-maintenance guide bushings.
Before usage, it is recommended to lightly lubricate the sliding surfaces of the low-maintenance sliding elements with lithium saponified grease. During operation, the solid lubricant will only be distributed from the pockets in the sliding zone. Typically, 25-35% of the sliding surface is embedded with solid lubricant deposits, but deviations are possible due to the shape and size of a particular component. The size and arrangement of the solid lubricant deposits may also vary within the various products and sizes.
In case of any damage, a repair of the slide elements is possible, and the sliding surface is usually re-ground.
In summary, low-maintenance sliding elements are essential components in the tool and die building and machine building industries. The unique design of these elements provides efficient operation while minimizing maintenance requirements. Optimum sliding conditions are achieved when paired with a hardened and ground opposing surface, and light lubrication is recommended before usage. Repairs are possible, and the size and arrangement of solid lubricant deposits may vary within various products and sizes.
Thrust washers made of bronze with solid lubricant are an exceptional choice for industrial applications, offering many advantages over traditional lubricated guide elements.
One of the most significant benefits of these thrust washers is their low-maintenance requirements. The integrated solid lubricant ensures that the thrust washers operate smoothly and efficiently without requiring any external lubrication, reducing maintenance costs and increasing the lifespan of the equipment.
Moreover, these thrust washers offer low friction, ensuring long-lasting and efficient performance. They have excellent emergency sliding properties, allowing them to continue functioning even in case of unexpected failures.
The “Stick-Slip” effects are eliminated in thrust washers made of bronze with solid lubricant. This ensures a smooth and efficient operation, without any interruptions or disruptions.
These thrust washers also offer an extremely wide temperature resistance, making them suitable for use in both hot and cold environments. They also have damping properties, which is essential in the presence of vibration.
Overall, thrust washers made of bronze with solid lubricant offer many advantages over traditional lubricated guide elements. They require minimal maintenance, offer low friction and excellent emergency sliding properties, eliminate “Stick-Slip” effects, have a wide temperature resistance, and provide damping properties. These features make thrust washers made of bronze with solid lubricant an ideal choice for a wide range of industrial applications.
THRUST WASHER, BRONZE WITH SOLID LUBRICANT PV value
The permissible bearing load of a thrust washer is determined by the pressure and the PV value, which defines the bearing wear. The PV value is the product of surface pressure (P) and running velocity (V). It is important to note that the maximum allowed speed and surface pressing cannot be reached at the same time (see PV diagram).
To calculate the existing bushing load, the following formula is used:
PV = P x V (N/cm2 x m/min)
Where P is the loading force (N) divided by the projection surface of the guide bushing or sliding surface (A) in N/cm2, and V is the sliding speed in m/min.
For sliding speed with lifting motion, the formula is:
V = 2 x H x nf/1000 [m/min]
Where H is the stroke in mm, and nf is the number of strokes in H/min.
The maximum surface pressing and temperature for a given speed can be found in the PV diagram. The PV value is calculated by multiplying the maximum surface pressure by the maximum allowed speed.
It is important to note that the PV value must not exceed the maximum PV value indicated in the PV diagram. Otherwise, the thrust washer may experience excessive wear and tear, leading to premature failure.
In summary, the PV value is an essential factor in determining the permissible bearing load of a thrust washer. It is calculated by multiplying the surface pressure and running velocity. The maximum allowed speed and surface pressing cannot be reached at the same time, and the PV value must not exceed the maximum indicated in the PV diagram. Adhering to these guidelines can help ensure the longevity and optimal performance of thrust washers.
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