D80A-18 Bulldozer Lower Roller

D80A-18 bulldozer lower roller

The bulldozer lower roller is an essential component of a tracked construction vehicle. It is located at the bottom of the machine's undercarriage and works in conjunction with other rollers to support the weight of the bulldozer and distribute its load evenly across the track. The lower roller is responsible for ensuring that the track remains stable and in place as the bulldozer moves, making it crucial for safe and efficient operation.

Without a reliable and well-functioning lower roller, the bulldozer would struggle to navigate challenging terrain and complete its tasks effectively. Therefore, it is critical to ensure that the lower roller is made from high-quality materials and is regularly maintained to keep it in good working condition.

Overall, the bulldozer lower roller is an indispensable component of any tracked construction vehicle. Its importance cannot be overstated, and its proper functioning is essential for ensuring smooth and successful construction projects.

long life bulldozer track roller for caterpillar excavators:

The function of the bulldozer lower roller is to transfer the weight of the locomotive group to the ground and roll on the track. In order to prevent derailment, the supporting wheel should also be able to prevent the relative lateral movement of the track on it.

Bulldozer bottom roller often work in mud, water, lime and sand, and bear strong impact. The working conditions are extremely bad, and the rim is easy to wear and tear.

The requirements for supporting wheels are: wear-resistant flange, reliable bearing seal, low rolling resistance, etc.

Easy-to-come problems

 (1) Wheel wear. The reason for this is that the steel used is not qualified or the hardness of the material is low and the wear resistance is insufficient during heat treatment.

 (2) Oil leakage. The bearing axle rotates all the time through the sleeve, and the inner part of the wheel needs oil to lubricate. But if the sealing ring is not good, it is easy to cause oil leakage. In this case, the axle and the sleeve are easy to wear and tear without lubrication, resulting in the product can not be used. There are several reasons for oil leakage: 1. Unqualified floating oil seal; 2. Insufficient circularity of product sleeve; 3. Insufficient gloss of support shaft; 4. Unqualified gear oil; 5. Processing dimension tolerance and so on. All these problems will cause the oil leakage of the supporting wheels.

Oil Leakage Inspection and Elimination

1. In the process of installation, strict inspection shall be carried out according to the technical requirements of the parts, so as to keep them clean and prevent impurities from entering the installation surface. Especially the sealing face of the sealing ring, even if there are small dust particles, it will destroy the sealing and cause oil leakage.

2. Seal sleeve and rubber ring need to be replaced for aging, deformation, scarring and rupture.

3. Spring should be replaced when its elasticity is insufficient. Its end surface is uneven and can be ground flat. When the coil is warping, it should be repaired and trimmed, and the sharp edges should be removed.

4. Large and small sealing rings are not in strict contact and can be re-grinded to make them have uniform and continuous grinding rings. Do not touch the end of the ring and disturb the spouse ring. The thickness of the ring should be the same, otherwise it must be replaced.

5. The thickness of rubber ring is not enough. It is allowed to wrap asbestos rope to achieve a tightness of/0.15-0.20 kg per square centimeter.

6. Bending of axle, non-circular or neck wear, wear of supporting wheel hub and sealing shell matching belt must be repaired.

7. When bearing and seal ring are worn in plane, oil-resistant rubber rings 2-4 mm thick can be padded between seal sleeve and hub end face according to the degree of wear. After installation, the sealing sleeve assembly shall be able to rotate freely on the hub. In addition, the bearing wear can be compensated by a gasket with an outer diameter of 100 mm, an inner diameter of 85 mm and a thickness of 1.5 mm between the bearing outer ring and the shoulder of the support platform of the sealing shell. When the height of the seal sleeve is less than 32 mm and the width of the bearing is less than 41 mm, new products should be replaced.

8. Paper cushions on supporting wheels should be kept intact and non-destructive, with appropriate thickness.

 

Komatsu Bulldozer D80 Series: A Robust Machine for Heavy-duty Activities

The Komatsu Bulldozer D80 series is a powerful and reliable machine that is widely used in heavy-duty and construction activities. This series of bulldozers is known for its robustness, versatility, and efficiency. It is equipped with advanced technology and features that make it an ideal machine for various tasks.

One of the main advantages of the Komatsu Bulldozer D80 is its engine. The machine is powered by a Komatsu S6D125E-2 diesel engine that produces high torque and power. This reliable engine can withstand heavy loads and long working hours, making it an ideal choice for tough construction projects.

Another feature that makes the Komatsu Bulldozer D80 series stand out is its undercarriage. This machine is equipped with a durable undercarriage that reduces wear and tear and improves the overall performance of the machine. The undercarriage also provides excellent stability and traction on rough terrain, making it an ideal machine for heavy-duty excavations and land leveling.

The Komatsu Bulldozer D80 series is also equipped with advanced hydraulic systems that provide smooth and precise control of the blade and other attachments. The hydraulics system is designed to deliver consistent power and speed, even when working under heavy loads. This ensures that the machine can operate efficiently and complete tasks quickly and accurately.

The operator's cab of the Komatsu Bulldozer D80 is ergonomically designed to provide comfort and convenience. The cab is equipped with air conditioning, heating, and sound insulation, making it a comfortable place for the operator to work. The controls are user-friendly, and the machine's performance can be easily monitored from the cab, reducing operator fatigue and ensuring operator safety.

In conclusion, the Komatsu Bulldozer D80 series is a powerful and reliable machine that can handle a wide range of heavy-duty activities. Its robustness, versatility, and efficiency make it an ideal choice for tough construction projects. With advanced technology and features, the series is designed to provide maximum productivity and reliability, ensuring customer satisfaction.

Models For Below Machine Of Bulldozer Lower Rollers:

D120-18	D125-18	D135-1	D135-2	D150A-1	D155A-1
D155A-2	D155A-3	D155AX-3	D155AX-5	D155AX-6	D155C-1
D155W-1	D20A-5	D20A-6	D20A-7	D20P-5	D20P-6
D20P-7	D20PL-6	D20PLL-6	D20Q-5	D20Q-6	D20Q-7
D21A-5	D21A-6	D21A-7	D21E-6	D21P-5	D21P-6
D21P-6A	D21P-6B	D21P-7	D21PL-6	D21Q-6	D21Q-7
D275A-2	D275A-5	D275AX-5	D30A-15	D30A-16	D30A-17
D31E-18	D31P-16	D31P-16A	D31P-17	D31P-17A	D31P-18
D31P-20	D31P-20A	D31PL-16	D31PL-17	D31PL-18	D31PL-20
D31PLL-16	D31PLL-17	D31PLL-18	D31PLL-20	D31PX-21	D31Q-16
D31Q-17	D31Q-18	D32E-1	D32P-1	D355A-1	D355A-3
D355A-5	D355C-3	D375A-1	D375A-2	D375A-3	D375A-5
D375A-6	D37E-1	D37E-2	D37E-5	D37EX-21	D37EX-22
D37P-1	D37P-2	D37P-5	D31PX-21	D38E-1	D38P-1
D39E-1	D39EX-21	D39P-1	D39PX-21	D40A-1	D40A-3
D40F-3	D40P-1	D40P-3	D40PL-1	D40PL-3	D40PLL-1
D40PLL-3	D41A-3	D41A-3A	D41E-3	D41E-6	D41P-3
D41P-6	D41Q-3	D41S-3	D45A-1	D45E-1	D45P-1
D475A-1	D475A-2	D50A-16	D50A-17	D50F-16	D50F-17
D50P-16	D50P-17	D50PL-16	D50PL-17	D51EX-22	D51PX-22
D53A-16	D53A-17	D53P-16	D53P-17	D58E-1	D58E-1A
D58E-1B	D58P-1	D58P-1B	D60A-3	D60A-6	D60A-7
D60A-8	D60E-7	D60E-8	D60F-7	D60F-7A	D60F-8
D60F-8A	D60P-3	D60P-6	D60P-7	D60P-8	D6OPL-7
D6OPL-8	D61EX-12	D61EX-15	D61PX-12	D61PX-15	D63E-1
D63E-1A	D65A-6	D65A-7	D65A-8	D65E-12	D65E-7
D65E-8	D65EX-12	D65EX-15	D65EX-17	D65P-12	D65P-7
D65P-8	D65PX-12	D65PX-15	D65WX-15	D68E-1	D68P-1
D75A-1	D80A-12	D80A-18	D80E-18	D80F-18	D80P-18
D83E-1	D85A-12	D85A-18	D85A-21	D85A-21B	D85E-18
D85E-21	D85EX-15	D85P-18	D85P-21	D85PX-15

FAQ

1. Are You A Manufacturer Or A Trader?

We are a manufacturer. We do forging and casting by ourselves. And our factory is located in Quanzhou city, Fujina, China.

2. How Can I Be Sure The Part Will Fit My Excavator?

Give us correct model number/machine serial number/ any numbers on the parts itself. Or measure the parts give us dimension or drawing.

3. What Is The Package? Can I Print My Logo Or Brand On The Package?

The normal package is below:

Honed tubes package: oilded and capped on tub end. PE sheet bundles wrapped package or as per request.

Chrome plated bars package: oiled and protected by hardboard sleeves, then in seaworty wooden case.

Hydaulic cylinder package: wrapped by PE film and packed in strong wooden case.

Logo or marking will be as per customer's request.

 

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