The BoWex 48 FLE-PA flange is a rigid flange coupling from KTR’s flange coupling range. It also makes up for axial, radial, and angular offsets. Its glass fiber reinforced polyamide body gives high mechanical stability and thermal strength. These traits work well for diesel engine drives paired with hydraulic pumps. YNF Rubber supplies this flange for tough industrial setups. Engineers like the curved-tooth design for torsionally stiff power transmission. The internal teeth make sure torque transfers reliably under load. This flange meets the needs of professionals looking for a durable, high-performance coupling solution.
Key Takeaways
The BoWex 48 FLE-PA flange can handle 4,000 Nm of torque and speeds up to 3,600 rpm.
It adjusts for misalignment in different directions, so the connected parts do not wear out as quickly.
The glass fiber reinforced polyamide body gives high strength and stays stable when hot.
The curved-tooth design makes power transfer very stiff against twisting, with very little energy lost.
It needs no grease or oil, which cuts upkeep costs and time when the machine is not working.
BoWex 48 FLE-PA Specifications
This flange gives exact engineering numbers. These numbers show how it works in diesel engine and hydraulic pump setups. Engineers need to check these ratings against what their application requires. This part first explains torque and speed limits. Then it covers misalignment ranges and physical sizes.
Torque and Speed Ratings
The BoWex 48 FLE-PA flange is a rigid flange coupling from KTR’s flange coupling range. These ratings connect to each other in a set way. Higher torque at lower speeds is still fine inside the working range. Running close to the top speed means you must lower the torque input. The inner teeth are key to this performance. Each tooth locks with the matching hub spline to spread the load evenly around the circle. This tooth count stops stress from building up at any one spot. The tooth shape has a curved design. This shape keeps contact area even when things are not lined up. The curved profile also lowers edge stress during angular offset. This makes the part last longer in real working conditions. Engineers picking a coupling for a diesel engine drive must check both torque and speed against the prime mover output. A hydraulic pump usually pulls peak torque at startup or during pressure spikes. The flange takes this short-term load without going over its rated capacity. The glass fiber reinforced polyamide build keeps its stiffness in these conditions. No thermal derating happens within the stated limits. This makes the flange good for nonstop industrial work across long shifts. The material keeps its shape up to the top working temperature. Engineers can count on steady performance through the whole duty cycle.
Misalignment and Dimensions
The flange makes up for three different kinds of shaft misalignment. Axial offset comes from thermal growth or installation gaps between parts. Radial offset happens when shaft centers are not perfectly in line. Angular offset comes from angular misalignment between driver and driven shafts. The curved-tooth shape handles these shifts while keeping torque transmission strong. Exact misalignment limits depend on the mix of bore size, working speed, and torque level. Engineers should check application data for exact values per setup. The size range covers many pump and engine shaft sizes. These match common flange sizes in the industrial market. Bore sizes fit small auxiliary pumps up to large industrial hydraulic units. Flange outer diameters range widely. This choice allows matching to different engine flywheel housings. The bolt hole patterns follow standard industrial setups. Each flange uses a set of clearance holes placed on a precise bolt circle diameter. The number of bolt holes changes with flange size. Smaller flanges use fewer bolts. Larger flanges use more bolts to spread clamping force evenly. Mounting needs simple alignment of the flange to the pump or engine flywheel. No special tools or changes are needed for installation. YNF Rubber supplies this flange with precise machining to match customer bore and bolt pattern specs. The dimensional tolerances ensure a repeatable fit across production runs. Engineers can order the flange with the exact bore size required. This removes the need for field changes or rework. The flange mounts directly without adapters. This cuts total parts count and makes inventory management simpler.
Materials and Construction
FLE-PA Composition
The BoWex 48 FLE-PA flange uses glass fiber reinforced polyamide as its main body material. This mix gives the flange high mechanical stability. The glass fibers add strength to the polyamide base. This combination resists bending or breaking under heavy loads. The material also handles heat well. It keeps its shape and stiffness at high working temperatures. These traits matter for diesel engine drives. Those setups often face heat and vibration at the same time. The polyamide body handles both without losing performance.
Alternative materials exist for different needs. NYLON66 offers good wear resistance for general use. Standard polyamide works well in less demanding setups. PEEK provides higher thermal resistance for extreme conditions. Engineered grade PA gives a balance of strength and cost. Steel or alloy steel hubs are the metal parts that join. These hubs connect to the shaft and take the spline load. YNF Rubber supplies flanges in these material options. Engineers can pick the right combination for their application.
Flange Design
The curved-tooth flange design is key to this coupling’s function. Each tooth has a curved shape instead of a straight edge. This shape keeps contact even when shafts are not perfectly aligned. The curved teeth also spread out the twisting force across a wider area. This reduces pressure at any single point. The result is a stiff connection against twisting. The flange transmits power without twisting or delay. This accuracy matters for hydraulic pump drives. Any delay in torque transfer affects pump response.
The flange body holds the internal teeth that fit with the hub. These teeth lock together to transfer spinning power. The curved shape allows angular, radial, and axial movement. The flange adjusts for these misalignments while keeping power moving. The design also takes in vibration and sudden jolts. This keeps both the engine and the pump safe. The stiff-against-twisting nature keeps the drive system responsive. YNF Rubber makes these flanges very precisely. This ensures a proper fit and reliable operation.
BoWex 48 FLE-PA Performance
Load Capacity and Durability
The BoWex 48 FLE-PA handles heavy loads without strain. This load capacity comes from the curved-tooth profile and the internal teeth. Each tooth shares the load evenly around the hub. This design stops stress from building up at any single point. The glass fiber reinforced polyamide body adds to this strength. It resists bending and breaking under heavy repeated loads. Diesel engine drives often face vibration and torque spikes. The flange takes in these forces without losing shape or stiffness. This durability keeps the coupling working through long work cycles.
The torsionally rigid nature of this flange is a key performance trait. It sends power without twisting or delay. This rigidity matters for hydraulic pump drives. Any lag in torque transfer affects pump response and system accuracy. The curved-tooth design also makes up for shaft misalignment. Manufacturing tolerances, thermal growth, and installation gaps all cause offset. The flange adjusts for axial, radial, and angular misalignment while keeping power flow steady. This ability reduces wear on bearings and seals. It also makes connected equipment last longer.
Direct replacement couplings with high-strength elastomers offer additional benefits. These elastomers take in energy from vibration and shock. This absorption protects both the engine and the pump from damage. The table below sums up these performance features.
Feature | Claimed Benefit |
|---|---|
High-strength elastomer | Excellent energy absorption and longevity |
Premium elastomer and treated flanges | Last five years or more in tough environments |
YNF Rubber supplies these direct replacement couplings. The premium elastomer and treated flanges work together. This combination delivers reliable service in harsh industrial settings. Engineers can expect the coupling to last five years or more in tough environments. This long life reduces downtime and replacement costs.
Efficiency and Operating Conditions
The BoWex 48 FLE-PA delivers high efficiency under real working conditions. Its torsionally stiff design means almost no power loss during torque transfer. The curved teeth keep full contact even when shafts are not perfectly aligned. This constant contact keeps efficiency high across the speed range. At these speeds, the polyamide body stays cool and stable. No thermal derating happens within the stated limits. This stability allows nonstop operation across long shifts.
The flange makes up for misalignment from manufacturing or other factors. This compensation happens without giving up torque capacity. The curved-tooth profile adjusts to axial, radial, and angular offset. This flexibility reduces vibration and noise in the drive system. It also lowers wear on the spline and hub. The result is smooth power transmission and longer component life.
Direct replacement couplings with high-strength elastomers improve energy absorption. These elastomers dampen vibration and shock loads. This damping protects the pump and engine from harmful peaks. The premium elastomer and treated flanges extend service life. YNF Rubber provides these couplings for demanding industrial applications. The design requires no changes for installation. This direct fit saves time and reduces inventory complexity. Engineers seeking a reliable, efficient coupling flange will find the BoWex 48 FLE-PA meets their needs.
Applications and Comparisons
Common Industrial Applications
The BoWex 48 FLE-PA flange works with diesel engines and hydraulic pumps. This setup is common in many industries. Excavators place this flange between the pump and engine. Engine-driven air compressors also use this coupling. Ships like its corrosion-resistant design and reliable torque transfer. The coupling meets the SAE standard. This lets it fit many engine flywheel housings.
Bowex FLE-PA flanges are commonly used in diesel engine drives in combination with hydraulic pumps, and are suitable for I.C.-engines (internal combustion engines).
The BoWex FLE-PA series has many models. The 48 FLE-PA comes in sizes 6 1/2”, 7 1/2”, 8”, and 10”. Each size fits a specific flywheel housing and pump shaft. Engineers pick the model by bore size, bolt pattern, and torque need. YNF Rubber machines these flanges precisely to match customer specs.
Comparison with Alternatives
The BoWex 48 FLE-PA is better than other coupling flanges. Its glass fiber reinforced polyamide body wears less than standard polyamide. The curved-tooth design gives higher torsional stiffness than straight-tooth couplings. This stiffness boosts efficiency by cutting power loss during torque transfer. Maintenance is low because the flange needs no oil. Other designs often need greasing or replacing the elastomer.
Feature | BoWex 48 FLE-PA | Alternative Flanges |
|---|---|---|
Durability | Glass fiber reinforced polyamide resists wear | Standard polyamide wears faster |
Efficiency | Torsionally stiff, minimal power loss | Flexible designs lose more energy |
Maintenance | No lubrication required | Periodic greasing needed |
Direct replacement couplings with strong elastomers offer more value. These couplings need no changes to install. YNF Rubber gives these direct-fit parts for tough industrial jobs. Engineers who want a reliable, low-maintenance flange will find the BoWex 48 FLE-PA works well.
The rigid flange coupling design shows what this flange can do. It handles axial, radial, and angular misalignment well. The glass fiber reinforced polyamide body lasts long in tough diesel engine drives. Efficiency stays high because of the stiff curved-tooth design. No oil is needed, so upkeep is almost zero. Engineers looking for a reliable coupling flange for hydraulic pump systems find a strong choice here. The Bowex 48 FLE-PA from YNF Rubber meets those tough needs. YNF Rubber gives a durable, high-performance coupling that fits without changes. It answers the main question yes: this flange meets both spec and performance needs.
FAQ
How much misalignment can this coupling handle?
The flange works with axial, radial, and angular offset. The exact range changes with bore size, speed, and torque level. Engineers must look at the data for their own setup. YNF Rubber gives detailed specs for each order.
Does this flange need regular maintenance?
No. The BoWex 48 FLE-PA does not need oil or grease. This design removes the need for regular oiling. It lowers downtime and upkeep costs in industrial jobs.
What SAE sizes does YNF Rubber offer?
Sizes are 6 1/2, 7 1/2, 8, and 10 inches. Each size fits a certain flywheel housing and pump shaft. Engineers pick the right model by bore size and torque needs.
Can I order custom bore dimensions?
Yes. YNF Rubber machines the flange exactly to what the customer wants. Engineers order the bore size they need. This takes away the need for field changes or adapters.
