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20. Jul. 2021
When it comes to maintaining road milling teeth and ensuring they last longer, wear and tear is often unavoidable. It's in your best interest as a contractor to be aware of factors that might cause rapid wear on the machine parts such as picking up foreign objects or unattended maintenance. Milling teeth are an integral part of construction projects and understanding how they can deteriorate quickly will enable you to develop strategies against damage caused by various reasons discussed in this article.
This article will discuss various insights into how specific wear types occur. Additionally, we'll show you how to assess the quality of teeth by examining their wear and tear. Let’s look at five common types of road milling teeth wear & tear today!
Explore the comprehensive guide to estimate milling tooth designs
Ideal for contractors seeking to:- Extend the lifespan of their milling equipment.
- Minimize downtime and maintenance costs.
- Ensure optimal performance of their machinery.
- Make informed decisions about selecting and maintaining road milling teeth.
- Enhance overall project efficiency and quality by using the best-suited teeth for specific tasks.
5 Typical Road Milling Teeth Wear & Tear
Optimal Condition (Hat-shaped Wear):
- Characteristic: Exhibits exemplary performance with an extended lifespan.
- Implication: The presence of this wear pattern across the majority of a brand's products indicates superior quality and durability.
- Recommended Action: Maintain current supplier relationships as the wear pattern signifies high product quality.
Normal wear and tear (cylindrical Shape Wear):
- Characteristic: Moderate wear with sufficient rotational functionality, although the tip material may degrade prematurely, despite the steel body not having reached its anticipated wear level.
- Implication: Regular occurrence of this wear pattern suggests the potential for enhanced performance and durability.
- Recommended Action: Consider transitioning to higher-quality, more durable products to improve overall performance.
Abnormal Wear and Tear (Carbide Tip Partial Wear):
- Characteristic: Premature deterioration, failing to achieve expected lifespan.
- Cause: Commonly results from rotational failure.
- Recommended Action: If frequent, adopt products from a brand known for superior rotational capabilities to mitigate premature wear.
Tip Fracture:
- Characteristic: Damage incurred from impact with hard substrates; occasionally indicative of substandard tooth material quality.
- Cause: Likely due to insufficient ground investigation prior to project initiation.
- Recommended Action: Confirm the rigor of pre-construction ground assessments and opt for higher-quality tooth materials.
Steel Body Partial Wear:
- Characteristic: The steel body of the tooth exhibits wear prior to the tip, indicative of underlying issues unrelated to the teeth themselves.
- Cause: This may occur if the machinery operates at an excessively high speed, leading to delayed material ejection, or if the milling drum’s discharging capacity is insufficient.
- Impact: Accelerates wear on other machine components.
- Recommended Action: If the issue persists despite moderated machine operation speeds, upgrading to a milling drum with better discharging capabilities is advised to prevent premature wear and promote consistent performance.
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6 Tips for Getting the Most out of Road Milling Teeth
Tip 1: Avoid hard objects
The road contains hard objects such as steel bars, rocks, and gutter covers. If milling teeth encounter these objects, a tip fracture is more likely to happen.
Tip 2: Sufficient water spray during the milling process:
The milling process will generate massive heat for the milling teeth. When the milling teeth overheat, It will cause higher milling teeth consumption. To avoid too much heat, the water spray system should regularly check the drain and increase the cooling water.
Tip 3: Slowing the cold planer advance speed:
The higher advance speed will increase the consumption of milling teeth and decrease road surface performance (the wider length).
Tip 4: Optimal Milling drum speed:
With a higher milling drum revolution, you need a slower or optimal machine advance speed to ensure that every milling tooth gets a uniform load. When it comes to an emergency project, forcing you to speed up both milling revolution and advanced speed. You may be facing abnormal wear and tear of the milling teeth.
Tip 5: Check the milling teeth regularly:
The cutting tool has been completely worn out and its service life has been exceeded. Milling teeth should be replaced immediately to maintain the milling performance.
Tip 6: Avoiding abnormal wear and tear:
Sediment deposition will make milling teeth stop rotating during the process, increasing the possibility of abnormal wear and tear. Except that the unique design of the milling teeth can minimize the possibility of abnormal wear and tear. The efficient cooling water spray for the spring plate can avoid sediment deposition, increasing rotation performance. The team should check the water spray system regularly. Once the cutting tool has been removed, the crew should check whether the tool holder is clean without any dust or any partial wear on the tool holder.
Road milling teeth are an integral part of construction projects, and understanding how they can wear down quickly is key to developing strategies for protecting them. By following the six tips we discussed in this article—avoid hard objects, sufficient water spray during the process, slowing cold planer advance speed, optimal milling drum speed, checking the milling teeth regularly and avoiding abnormal wear and tear—you should be able to maximize efficiency and minimize damage from road millings teeth. With these practices in place, you’ll have a better chance of getting your project done on time with fewer complications.
EVERPADS ROAD MILLING TEETH
