Brokk MMB326 Hydraulic Drifter Rock Drill Improves (...)

Published: 19/8, 2019

Brokk MMB326 Hydraulic Drifter Rock Drill Improves Productivity and Safety in Cramped Jobsites

Brokk’s new MMB326 hydraulic drifter rock drill attachment from TEI Rock Drills seamlessly pairs with the Brokk 300 demolition robot, allowing for drilling multiple sizes of holes — up to 3 in (76 mm) — in concrete, rock, and compact soil. The attachment is manufactured with a lightweight, compact TE326 drill head featuring patented technology to improve longevity and productivity. At just under 30 in (372 mm) long, the MMB326 delivers 200 lbf (987 N) of impact energy at 3,480 blows per minute. The drill also produces 250 lbf (1,112 N) of torque and reaches rotation speeds of up to 250 rpm, which makes it a more accurate and faster alternative to jackleg drilling through brick, concrete and rock. The combination also eliminates fatigue caused by operating the heavy manual tools and promotes safety by allowing operators to stand farther away from the drilling site.

The drill head itself (TE326) is a versatile hydraulic drifter that incorporates TEI’s patented Automatic Stroke Adjustment (ASA) technology. The high-frequency and smooth operation prolongs the drifter and tool life, increasing productivity and profits for the user by reducing downtime and parts costs. Additional features, such as variable rotation speeds up to 250 rpm, help to minimize the risk of jamming, while the reversible rotation motors deliver high torque to ensure powerful drilling. Designed to be used in conjunction with the Darda C20 Splitter for rock-breaking applications, the MMB326 uses a 360° positioner for drilling in a variety of positions. The attachment can be used with a manual centralizer for rock drilling or with a hydraulic clamp for extension drilling and roof bolting. It’s available in 5.9-ft (1.8-m) or 7.8-ft (2.4-m) mast lengths. The MMB326 attachment is a ready-to-use option that doesn’t need to be modified before configuring to a Brokk machine. The attachment can be integrated directly with the Brokk controls, allowing workers to operate the Brokk and MMB326 simultaneously. The drill attachment is quieter than pneumatic handheld alternatives, allowing construction crews to use the equipment in locations governed by noise-control ordinances, such as in and around apartment buildings, high-rise towers, and other residential areas.

www.brokk.com

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