What material is good for the engine lower guard plate
The best material for the engine lower guard plate depends on the specific usage scenario: manganese steel is suitable for off-road or rough roads, alloy plastic steel (PVC) is the comprehensive preferred choice for urban commuting, aluminum alloy focuses on lightweight, and hard plastic/resin is only suitable for flat road conditions with limited budgets. Youdaoplaceholder0 When making a selection, it is necessary to balance the protection strength, weight, price and safety design (such as sunken guide lines).
Mainstream material characteristics and applicable scenarios
Youdaoplaceholder0 manganese steel guard plate .
Advantages: Strong impact resistance (capable of withstanding an impact force of 20kN), high durability, and suitable for environments with high risks of bottoming out.
Disadvantages: It is heavy (about 12kg, increasing fuel consumption by 2% to 5%), prone to rust, and its rigidity may prevent the engine from sinking (a design with a sinking guide line is required).
Applicable scenarios: Professional off-road driving, sandy and gravel areas or complex road conditions.
Youdaoplaceholder0 aluminum alloy guard plate .
Advantages: Lightweight (40% lighter than steel plates), corrosion-resistant, good heat dissipation, and moderate price (200-500 yuan).
Disadvantages: Its impact resistance is weaker than that of manganese steel. It is prone to deformation under extreme impacts and may cause resonance.
Applicable scenarios: Urban commuting, expressways and light unpaved roads, with a focus on fuel economy.
Youdaoplaceholder0 alloy plastic steel (PVC) guard plate .
Advantages: Light weight (about 1.5-5kg), corrosion-resistant, anti-aging, good resilience, no impact on engine sinking, and balanced comprehensive protection.
Applicable scenarios: Urban roads or occasional light off-roading, where comfort and economy are pursued.
Youdaoplaceholder0 hard plastic/resin guard plate .
Disadvantages: Low strength, prone to cracking, and only suitable for flat road conditions.
Applicable scenarios: Daily urban commuting with limited budgets.
Keep the engine compartment clean to prevent water and dust from the road surface from entering it.
Prevent sand, stones and hard objects lifted by the tires during car operation from hitting the engine, as this phenomenon occurs.
It won't have an impact on the engine in the short term, but over time, it will still have an effect on the engine.
It can also prevent the engine from being scratched by uneven roads and hard objects.
Disadvantage: Hard engine guard plates may impede the protective sinking of the engine during a collision, thereby weakening the protective effect of engine sinking.
Engine guard plate faults are mainly manifested as abnormal noises, oil leakage, deformation and other problems, which may cause safety hazards. The following are the specific manifestations of the fault and the corresponding countermeasures:
Common fault manifestations
Youdaoplaceholder0 Abnormal noise : Loose screws, deformed guard plates or resonance can cause obvious abnormal noise when starting, which may be in direct contact with the engine, resulting in friction or increased vibration.
Youdaoplaceholder0 Oil leakage/fluid leakage : Damage to the guard plate may cause leakage of engine oil, transmission oil, etc. It is necessary to check the oil pan and its sealing performance.
Youdaoplaceholder0 Chassis damage : Cracks, deformations or detachment may occur after a collision, affecting engine protection and vehicle stability.
Youdaoplaceholder0 resonance problem : At a specific speed, the vibration frequency of the guard plate is close to that of the vehicle, causing resonance noise.
Cause analysis
Youdaoplaceholder0 Installation issue : Loose screws, thin guard plates or improper installation cause abnormal noise or loosening.
Youdaoplaceholder0 Material and environment : Corrosion of metal guard plates (such as salt spray, ultraviolet rays), aging of plastics, or deformation of plastic-steel materials.
Youdaoplaceholder0 External force impact : Damage caused by colliding with the curb or stones during driving.
Solution
Youdaoplaceholder0 Tighten the screws : if any looseness is found, stop the machine immediately and then tighten them with a wrench. If there is severe rust, replace the screws.
Youdaoplaceholder0 Replace the guard plate : If the crack exceeds 5mm, it needs to be replaced. It is preferred to choose components of the same material as the original factory (such as plastic steel or aluminum alloy).
Youdaoplaceholder0 adjustment installation : Check if the position of the guard plate is offset. If necessary, re-fix it or replace the buffer pad to reduce resonance.
Youdaoplaceholder0 Regular inspection : Inspect once a week when road conditions are poor. For urban roads, the inspection can be extended to monthly.
If abnormal noises persist or are accompanied by oil leakage, it is recommended to contact professional maintenance personnel immediately for investigation.
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