Motor graders, also known as road graders, are a vital piece of equipment in the construction and maintenance of roads. Recognized by their long adjustable blade, motor graders are used primarily for fine grading, creating smooth and flat surfaces with precision. They are essential in the construction sector, particularly for building roads, but also serve multiple functions across other industries like mining and agriculture.
Product Parameter
|
Model |
KG180 |
KG220 |
KG330 |
|
Engine model |
ShangChai SC7H180.1G3 |
ShangChai SC9DK220.1G3 |
CumminsQSM11-C330 |
|
Rated power (kW/rpm) |
132kW/2000rpm |
162kW/2000rpm |
246kW/2100rpm |
|
Weight (t) |
15.5 |
16.1 |
28 |
|
Size(length xwidth xheight) (mm) |
8935x2600x3370 |
8935x2600x3370 |
12500x3700x3300 |
|
Walkingspeed (km/h) 6forward 3reverse |
6.7,11.6,13.7,22.7,31.2,45.3 , 6.7,13.7,31.2 |
5,8,11,19,23,43 5,13,29 |
5.8,8.6,13.3,20.3,29,43 |
|
Dimensions (mm) |
3966 |
4320 |
4620 |
|
Max.lift aboveground (mm) |
450 |
450 |
450 |
|
Max.grading depth (mm) |
535 |
535 |
735 |
|
Max.Blade angle,light or left ( ° ) |
90 |
90 |
65 |
|
Blade tip angle ( ° ) |
29~77 |
29~77 |
23~73 |
|
Front axle |
The center ground |
clearance is 610mm, and the |
swing angle is ± 16 ° |
|
Wheel lean angle ( ° ) |
±17 |
±17 |
±17 |
|
Max.turning range ( ° ) |
49 on each side |
49 on each side |
49 on each side |
|
Frame articulation ( ° ) |
26 on each side |
26 on each side |
26 on each side |
|
Min.Tuming radius (mm) |
7300 |
7400 |
9000 |
Design and Features
Adjustable Blade: The defining feature of a motor grader is its long central blade (or moldboard), which is capable of moving in multiple angles and directions. This flexibility allows the operator to set the blade at the optimal angle for cutting, spreading, and leveling various surfaces.
Engine and Power: Road graders are equipped with powerful engines to handle tough grading tasks and drive over rough terrain. The engine's power is essential for pushing large amounts of soil or aggregate and for the machine's propulsion.
Front Wheel Steering: This feature provides excellent maneuverability, allowing the grader to make precise turns and adjustments, essential for fine grading work.
Rear Axles: Most graders have a tandem axle at the rear with some models equipped with additional axles for improved stability and performance in challenging conditions.
Cabin: Modern road graders come with fully enclosed cabins, offering comfort and safety for the operator. Advanced models feature air conditioning, heating, ergonomic controls, and good visibility of the moldboard and surroundings.
applications
Road Construction and Maintenance: Road graders are primarily used in road construction to level the base course of roads before asphalt is laid. They are also critical for maintaining dirt and gravel roads by grading the surface to smooth out bumps and fill potholes.
Snow Removal: In colder regions, road graders are often used to clear snow from roads and other surfaces due to their ability to push large volumes of snow with precision.
Earthmoving: Besides roads, motor graders perform earthmoving tasks for construction site preparation, setting foundations, and landscaping. They are effective in creating drainage ditches and terraced landscaping.
Mining Operations: In mining, road graders are used to maintain haul roads, ensuring they are smooth to keep transport operations efficient and safe.
Agricultural Grading: Farmers use road graders for land leveling to optimize irrigation and prevent soil erosion, ensuring better crop production.
Motor graders are indispensable in the construction industry for their precision and efficiency in grading tasks. Their versatility extends beyond road construction into areas like mining, snow removal, and agriculture, making them a valuable asset in various sectors. The ongoing advancements in technology enhance their performance, efficiency, and comfort, ensuring they meet the modern demands of construction and maintenance while providing operators with a safe and comfortable working environment.
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