HDD Hard Rock Hammer

Product catalog summary

Introduction
The document discusses the Astec line of utility trenchers, vibratory plows, and horizontal directional drills, highlighting their history, development, and current offerings. Originally developed by Charles Davis in 1959, these machines have evolved through various ownerships and enhancements, now under the Astec brand.

Product Line and Development
The Astec EarthPro line of horizontal directional drills incorporates advanced features and technology from American Augers, enhancing performance and durability. Manufactured in Loudon, Tennessee, alongside the Trencor line, Astec products offer a wide range of underground construction solutions.

Distribution and Support
Astec products are distributed through a global network of 47 dealers with over 94 locations, providing sales, parts, and service to minimize downtime and support customer needs.

Hard Rock Drilling System
The Hard Rock Drilling System offers significant improvements in rock penetration compared to competitors. Key features include:

Easy Coupling: Tapered API threads ensure easy coupling/uncoupling.
High Durability: Induction-hardened wear sleeve for optimal wear resistance.
No Special Pipe Required: Compatible with existing drill pipes.
Seamless Integration: Integrates with existing controls and can adapt to competitive machines.
Control: Two-degree bent sub for easy steering in tough conditions.

System Components
The system includes a hammer, support station oiler, hoses, bent sub, whip checks, Starlight controller, and various bits. It is compatible with all DCI Subsite locating systems.

Performance and Efficiency
The Hard Rock System is a pneumatic percussion tool operating at high frequencies, significantly improving efficiency in difficult drilling conditions. It allows for increased production in a wider range of conditions than conventional methods.

Conclusion
The Astec Hard Rock Drilling System represents a breakthrough in drilling technology, making previously challenging jobs routine and enhancing the capabilities of horizontal directional drills.

Catalog excerpts

BREAKTHROUGH INITIONS

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RT160 HDD-40/50/60/80 T he Astec line of walk-behind and rideon utility trenchers, vibratory plows and horizontal directional drills, along with related parts and accessories, offers users a broad choice of underground construction solutions. The forerunners of the Astec machines were developed by Charles Davis in 1959. Recognized as an industry leader, Davis trenchers were renowned for their innovative designs and rugged reliability. The line was purchased by Case in 1969, and the machines carried the Case-Davis label until the mid 1970s when the Davis name was dropped. Case added horizontal...

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Breakthrough Solutions ROCK DRILLING SYSTEM LONGer li FE All critical internal components are heat treated under strict control to maximize tool longevity. Less mud mess Powered by high volume air pressure, the HDD 40 requires a minimal amount of water — 2 to 4 gpm (7.6 to 15.1 lpm) — for cooling and lubrication, which means less cleanup and expense than with conventional drilling. Mix it up Support station oiler mixes air, water, and oil, then delivers it to the hammer. Easy maneuvering Slant faced bit allows the tool to steer in soft soil formations.

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