Whether you have a compact excavator like the EX30 or a mid-size machine like the EX500, the sprockets that transmit power to the tracks play an important role in the overall performance of your excavator. Using the correct size and type of sprockets can optimize power, snelheid, traction and track life for your specific application.
Drive Sprockets Play An Important Role In The Undercarriage Of An Excavator
- Drive sprockets are toothed wheels that are attached to the drive shaft or final drive of the excavator. They engage with the track chains and propel the undercarriage.
- As the drive sprockets turn, they pull on the track chains and cause the track rollers and undercarriage to move forwards or backwards. This propels the upper body of the excavator.
- De tanden van de aandrijfkettingwielen grijpen in de bussen of pennen van de rupskettingen. The mating of these surfaces transfers torque from the sprocket to the chain.
- Aandrijftandwielen zijn doorgaans gemaakt van gehard gelegeerd staal voor sterkte en duurzaamheid. The teeth are specially designed and spaced to properly engage the track chain.
- Larger and heavier excavators require larger drive sprockets with more teeth to provide adequate torque and grip the track chains.
- Door de hoge belasting en stress die zij ervaren, aandrijftandwielen verslijten uiteindelijk en moeten worden vervangen. Ensuring a precise fit with the track chain is important for optimal performance.
- Originele OEM- of door de fabrikant goedgekeurde aandrijfkettingwielen zijn speciaal ontworpen voor een graafmachinemodel. Ze zijn zo ontworpen dat ze goed aansluiten op alle andere onderwagencomponenten van die machine.
EX500 Tandwiel Opties
The EX500 is powered by a robust 74 pk motor, so it’s important to match the right sprockets to maximize this power. Larger-toothed sprockets provide more torque and grip on the tracks but at a lower speed. Conversely, sprockets with fewer teeth provide higher ground speeds but less torque. Some options for the EX500 include:
• Standard sprockets – These are designed to provide a balance of power, speed and track life for general excavating work.
• Heavy-duty sprockets – These have extra-large teeth for maximum torque and power in demanding applications like trenching and grading. They provide more grip but reduce ground speed slightly.
• High-speed sprockets – Conversely, high-speed sprockets have fewer, narrower teeth to increase ground speed at the expense of some torque and power. They are best for light-duty work and material transport.
• Sealed and lubricated sprockets – These types provide lubrication to the critical meshing surfaces for increased wear resistance and quieter operation. Ze verlengen de levensduur van rupsbanden en tandwielen, vooral in stoffige of natte omstandigheden.
EX30 tandwielopties
For a more compact excavator like the 15 hp EX30, different sprocket options are useful depending on your specific application:
• Standard sprockets – These optimize power, speed and smoothness of operation for light- to medium-duty work.
• Wide-pitch sprockets – The wider gap between the teeth increases ground speed but decreases power and grip slightly. Good for material transport and light grading applications.
• Bolt-on segmented sprockets – These allow you to change individual sprocket segments for specific applications. You can install harder, more aggressive teeth for jobs requiring more grip and Power.
• Sealed and lubricated sprockets – Since the EX30 operates in all conditions, gesmeerde tandwielen die vet aan de ingrijpende oppervlakken leveren, kunnen de levensduur van rupsbanden en tandwielen aanzienlijk verlengen.