Screed Vibrator

Description

A screed vibrator, also known as a concrete vibrator, is a construction tool used to smooth and level fresh concrete surfaces. It consists of a vibrating unit, usually powered by an electric or gasoline motor, and a screed board that spans the width of the concrete pour. The vibrations help to remove air bubbles and excess water, ensuring a dense and uniform surface.

1. Vibrating Unit: This is the motor that generates the vibrations. It can be powered by electricity, gasoline, or sometimes by batteries in smaller, portable units.

2. Screed Board: A flat, horizontal bar that levels the surface of the concrete. The screed board can be made of wood, aluminum, or magnesium, and comes in various lengths to suit different job sizes.

3. Handle or Frame: This allows the operator to control and maneuver the screed vibrator across the surface of the concrete.

4. Adjustment Mechanism: Some screed vibrators come with adjustable handles or frames to accommodate different heights and angles for better control.

Operation:

1. Positioning: The screed vibrator is placed on top of the wet concrete surface, spanning the width of the pour.
2. Vibration: The motor is started, causing the screed board to vibrate.
3. Leveling: The operator pulls or pushes the screed vibrator across the concrete surface. The vibrations help to settle the concrete, removing air pockets and excess water, while the screed board smooths and levels the surface.

Using a screed vibrator helps ensure a high-quality finish, reducing the risk of weak spots or voids in the concrete, leading to a more durable and aesthetically pleasing surface.

Screed Vibrator – Technical Specifications

1. Engine Type:

   • Petrol Engine or Electric Motor

   • Common options include Honda GX160 (petrol, 5.5 HP) or 1.5–2 HP electric motors

2. Power Output:

   • Petrol Engine: 4.0 – 5.5 HP

   • Electric Motor: Single Phase or Three Phase, 220V/415V

3. Vibrating Frequency:

   • 70 – 90 Hz

   • Ensures proper compaction of concrete surface

4. Screed Blade Length:

   • Available in different sizes: 1.5 m, 2 m, 3 m, 4 m, or custom sizes

   • Made of high-strength aluminum for durability and lightweight operation

5. Screed Blade Material:

   • Aluminum alloy, corrosion-resistant and lightweight for ease of use

6. Vibration Mechanism:

   • Eccentric weights or rotary shaft mounted on the blade or base

   • Transmits uniform vibration along the entire blade length

7. Weight:

   • Typically ranges from 25 to 35 kg depending on engine and blade length

8. Handle Design:

   • Adjustable and vibration-dampening handles for user comfort

   • Allows easy maneuvering during operation

9. Drive Type:

   • Direct Drive or Belt Drive, depending on the model

10. Application:

    • Ideal for floor slabs, pavements, bridge decks, and industrial flooring