Weighing in at 1,650 kg, the new MB 1650 hydraulic breaker is suitable for carriers in the weight class 19-32 tons. A redesigned service window offers greater accessibility. The absence of a high-pressure accumulator also is designed to lower the MB 1650´s maintenance and repair costs. AutoControl, an automatic piston stroke length switching system, adjusts the output balance between impact energy and rate during operation. Atlas Copco´s EnergyRecovery feature automatically utilizes the piston recoil energy to increase the performance, without additional hydraulic input, and to lower vibrations. The integrated StartSelect valve simplifies adjustment of the hydraulic breaker start-up behavior according to the operating condition.
The Bosch GBH18V-26 18V EC Brushless 1-Inch SDS-plus Bulldog rotary hammer is designed to offer similar power to a corded hammer with cordless convenience. An EC Brushless motor provides 50 percent more impact energy and greater tool runtime than previous-generation cordless hammers with brushes. KickBack Control uses an integrated sensor to stop tool rotation in bind-up situations. Weighing 6.3 pounds (tool only, not including battery), it delivers 1.9 foot-pounds of impact energy. Features include Electronic Precision Control, meant to provide smoother bit starts, Vibration Control, designed for extended user comfort; and Electronic Motor and Cell Protection, designed to avoid overheating and overload. It has an ergonomic L-shaped design for easier horizontal drilling.
The new Brokk 500 breaker adds 40 percent more breaking power than its predecessor, the Brokk 400. The machine delivers 1,086 foot-pounds with each blow of the 1,510-pound Atlas Copco SB 702 hydraulic breaker. It also lengthens Brokk’s signature three-part arm system, now reaching 24.3 feet vertically and 23 feet horizontally. Nevertheless, weighing 11,464 pounds, it is only slightly heavier than the Brokk 400, with the same width. It also is backward compatible with Brokk 400 tools and attachments. Brokk’s SmartPower intelligent electrical system maximizes the power output of the machine at any given time based on environmental and operating factors.
Featuring a service weight of 1,380 pounds, Chicago Pneumatic’s RX12 rig mounted, light hydraulic breaker offers an impact rate of up to 950 blows per minute. The RX12 is the largest in CP’s light hydraulic class. It is specified for carriers with a capacity of 19,800 to 33,000 pounds. The RX line features a monoblock design, designed to increase reliability and ease servicing. The RX breakers feature a two-in-one design, as the cylinder and tool holder are one piece, eliminating strain and risk of seizures. A one-piece floating wear bushing is designed to maximize uptime and facilitate fast, easy field replacement, and a central lubrication point makes for quick and easy lubrication.
Weighing 65 pounds, the Hilti TE 3000-AVR breaker delivers 50 foot-pounds of impact energy to break up to six tons of material per hour. It features advanced electronics designed for use with generators and to make the tool less sensitive to voltage drops due to long extension cords on jobsites. For maximum versatility, the TE 3000-AVR accepts standard 1-1/8 inch chisels, same as air-powered tools. The breaker incorporates Hilti’s AVR system to dramatically cut the vibration passed along to the operator during operation, reducing fatigue and allowing them to work longer.
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