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Home » Products » AC Power Tool » Rotary Hammer » WK81504 ROTARY HAMMER

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WK81504 ROTARY HAMMER

Availability:
Quantity:
  • WK81504

  • WINKKO

Product Parameters

Power:1600W

No-load Speed: 0-630 bpm

Impact Rate: 0-3800 bpm

Force of impact:10J

Voltage: 230V

How the Internal Mechanism Creates Impact

The key to a rotary hammer's power lies in a few simple, yet brilliant, components working in unison.

  1. The Motor and Piston: The tool's electric motor drives a piston back and forth inside a cylinder.

  2. The Air Cushion: As the piston moves forward, it compresses a pocket of air inside the cylinder.

  3. The Striker and Ram: This compressed air acts like a spring, launching a separate metal piece called the striker forward. The striker then hits the back of the ram (also known as the chisel holder or anvil).

  4. The Bit: The ram is what directly contacts the end of the drill bit, transferring all that immense impact energy straight to the tip.

Because the striker is not physically connected to the piston, the system is incredibly efficient. The force is delivered in a single, powerful hammer blow, which is why a rotary hammer can pulverize concrete so effectively.


The SDS Chuck: Power Transfer Made Simple

The special SDS chuck system is crucial to how the tool works. It isn't just for holding the bit; it's designed to enhance the hammering action.

  • Slotted Design: The "SDS" stands for Slotted Drive System. The shank of an SDS bit has special grooves that slide into the chuck.

  • Back-and-Forth Movement: Unlike a traditional chuck that clamps down tightly, the SDS chuck allows the bit to move back and forth freely. This is vital because it lets the ram strike the bit directly and with full force. If the bit were held rigidly, much of that energy would be absorbed by the tool's body.

  • Secure Lock: Despite allowing movement, the chuck's ball bearing lock holds the bit securely, preventing it from coming out during use. This means you get maximum impact energy delivered to your work without having to worry about the bit slipping.

In short, the rotary hammer is built to let its internal components work together seamlessly. The electro-pneumatic system generates the force, and the SDS chuck ensures all of that force is efficiently transferred to the material you're drilling.

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 Phone: +86-13858122292 
 Email: info@winkko.com
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