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Product Overview
A rotary hammer, also called rotary hammer drill is a power tool that can perform heavy-duty tasks such as drilling and chiseling hard materials. It is similar to a hammer drill in that it also pounds the drill bit in and out while it is spinning.
However, rotary hammers use a piston mechanism instead of a special clutch. This causes them to deliver a much more powerful hammer blow, making it possible to drill bigger holes much faster. Most rotary hammers have three settings: drill mode, hammer drill or just hammer, so they can act as a mini jackhammer.
Compared to less advanced power units known as hammer drills, rotary hammers tend to be larger and provide a bigger impact force by utilizing a technology called the "electro-pneumatic" (EP) hammering mechanism, because it is powered directly by electricity instead of a separate air compressor.
Rotary hammers have two pistons – a drive piston, and a flying piston. An electric motor turns a crank, which moves the drive piston back and forth in a cylinder. The flying piston is at the other end of the same cylinder. The pistons do not actually touch, but the air pressure in the EP cylinder allows for a much more efficient transfer of hammering energy than springs in the cam-action style hammer drills.
The majority of modern rotary hammers as well as all electric-powered chipping guns or jack-hammers all utilize this EP technology.
Features
BL motor efficiently uses energy to match torque and RPM to the changing demands of the application.
Anti-Vibration Technology (AVT) for low vibration.
Soft no load function automatically reduces the motor speed during idling to suppress the vibration.
3-mode operation for “Rotation Only”, “Hammering with Rotation” or “Hammering Only” .
One touch sliding chuck enables quick and easy bit changes.
Includes: 18V X 2LI-ION batteries.
Variable speed trigger allows operator to adjust speed based on materials or application.
Constant speed control automatically applies additional power to the motor to maintain speed under load.
Torque limiter stops rotation if bit jams for increased operator safety and enhanced motor protection.
Electric brake for maximum productivity and increased operator safety.
Compact and lightweight.
Dual LED lights with pre glow and afterglow functions illuminate drilling surface for more productivity in low light applications.
Benefits
BL Motor & AVT + SOFT NO LOAD Functions Deliver High Power and Low Vibration.
Auto-start Wireless System (AWS) connects to vacuum cleaner with Bluetooth.
Active Feedback sensing Technology (AFT) turns the motor off if bit rotation is suddenly forced to stop.
18V solution for corded power demands.
Two 18V LXT Li-Ion batteries deliver the power and run time for corded demands without leaving the 18V LXT platform.
BL motor delivers 0-980 RPM, 0-5,000 BPM and 2.8 Joules (EPTA) of impact energy for faster drilling.
BL motor with high power to weight and size ratio.
BL motor eliminates carbon brushes, enabling the BL motor to run cooler and more efficiently for longer life.
Technical Specifications
A rotary hammer, also called rotary hammer drill is a power tool that can perform heavy-duty tasks such as drilling and chiseling hard materials. It is similar to a hammer drill in that it also pounds the drill bit in and out while it is spinning.
However, rotary hammers use a piston mechanism instead of a special clutch. This causes them to deliver a much more powerful hammer blow, making it possible to drill bigger holes much faster. Most rotary hammers have three settings: drill mode, hammer drill or just hammer, so they can act as a mini jackhammer.
Compared to less advanced power units known as hammer drills, rotary hammers tend to be larger and provide a bigger impact force by utilizing a technology called the "electro-pneumatic" (EP) hammering mechanism, because it is powered directly by electricity instead of a separate air compressor.
Rotary hammers have two pistons – a drive piston, and a flying piston. An electric motor turns a crank, which moves the drive piston back and forth in a cylinder. The flying piston is at the other end of the same cylinder. The pistons do not actually touch, but the air pressure in the EP cylinder allows for a much more efficient transfer of hammering energy than springs in the cam-action style hammer drills.
The majority of modern rotary hammers as well as all electric-powered chipping guns or jack-hammers all utilize this EP technology.