U Series Roadheader Picks

Tailored for roadheaders with different power levels, this series integrates professional design concepts and advanced manufacturing technologies, and has been widely recognized in the global construction and mining industries for its excellent impact resistance, high wear resistance, strong stratum adaptability and outstanding overall performance.

In essence, U Series Roadheader Picks are high-performance conical cutting tools, featuring rational structural design, standardized shank specifications and enhanced cutting tip performance-core foundations for their superior operational advantages.

The scientifically optimized conical tip improves stratum penetration, reduces cutting resistance and avoids excessive energy consumption during excavation, laying a foundation for high-efficiency construction.

Most models are equipped with advanced self-rotating wear balance technology, which ensures uniform wear of the tip and body under long-term cyclic cutting, effectively preventing premature failure caused by local overwear and extending service life by 30%-50% compared with ordinary picks.

For the pick body, high-quality alloy steel (42CrMo and 35CrMnSi as core materials) is selected, and precision forging, quenching and tempering processes are adopted to ensure excellent mechanical properties.

The finished products have a hardness of 40-49 HRC and an impact toughness of no less than 49 J/cm², fully complying with strict industry technical standards for roadheader picks, and providing solid material support for their wear resistance and impact resistance advantages.

The U Series Roadheader Picks have obvious comprehensive advantages compared with similar products in the market, mainly reflected in four aspects.

• Superior wear & impact resistance
• Strong stratum adaptability
• High compatibility & easy maintenance
• Excellent cost-effectiveness

The U Series Roadheader Picks cover a complete range of models, which are classified according to the hardness of the excavated stratum and roadheader power, with clear positioning for each model. Core models include U47, U92, U95, etc., all of which adopt universal shank design to ensure good compatibility with mainstream roadheader equipment and facilitate quick replacement and maintenance, further highlighting the series' maintenance advantage.

• U47 is a heavy-duty model for hard rock roadway excavation, with the core advantage of super wear resistance and impact load-bearing capacity. Its tip uses high-purity tungsten-cobalt hard alloy (cobalt content up to 8-9%), suitable for cutting hard rocks such as granite and quartzite.
• U92 is a general-purpose model for soft to medium-hard strata, featuring a balanced combination of cutting efficiency and toughness-its advantage lies in stable performance and cost-effectiveness, widely used in coal seam and semi-coal rock roadway excavation.
• U95 is optimized for medium-hard to hard strata mixed with gangue; its enhanced body structure and wear-resistant coating effectively resist gangue impact and reduce tip chipping, highlighting the advantage of strong anti-interference.

A practical application case in a metal mine roadway excavation project in Huangshi, Hubei Province, China, fully verifies the product advantages of the U Series Roadheader Picks. This project excavates hard rock roadways with a rock hardness of up to 150MPa; the original ordinary picks had problems such as rapid wear, frequent tip detachment and short service life, which seriously restricted construction progress and increased costs. After switching to U Series Roadheader Picks (U47 models), the advantages of the series were fully exerted: the average service life of a single pick was extended by 70%, the pick consumption per unit excavation length was reduced by 40%, the daily excavation progress was increased by 25%, and the downtime caused by pick replacement was reduced by nearly 65%. The comprehensive construction cost was significantly lowered, fully demonstrating the series' remarkable economic benefits and practical value brought by its wear resistance, impact resistance and stability advantages.

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