Vibrating Head for Concrete Vibrators

Product Specifications

Technical details and manufacturing context for Vibrating Head

Definition

The vibrating head is the working end of a concrete vibrator that generates high-frequency vibrations to eliminate air pockets, consolidate concrete mixtures, and ensure proper compaction during construction. It is the critical interface component that transfers mechanical vibrations into the concrete mass. This part is designed for direct immersion into fresh concrete, where its oscillatory motion fluidizes the mixture, allowing trapped air to rise to the surface and ensuring uniform density. The vibrating head is typically connected to a flexible shaft or motor assembly, and its performance is characterized by parameters such as diameter, length, amplitude, frequency, centrifugal force, operating voltage, power consumption, maximum operating temperature, IP rating, material, and weight. These parameters are selected based on the specific application, including concrete member thickness, rebar spacing, and slump. Common materials include high-carbon steel, stainless steel, and hardened alloy steel, with material grades such as 40Cr to 42CrMo referenced in standards like GB/T 3077. The vibrating head operates on the principle of converting rotational or electrical energy into high-frequency mechanical vibrations through an eccentric weight mechanism or electromagnetic system. This creates oscillatory motion that consolidates concrete particles. For effective consolidation, typical frequency ranges are 12,000 to 16,000 rpm, with amplitudes from 1.0 to 2.5 mm and centrifugal forces from 2,000 to 9,000 N. The diameter typically ranges from 25 to 75 mm, and length from 300 to 600 mm. Operating voltage may be 36 to 220 V AC, with power consumption from 0.5 to 2.5 kW. Maximum operating temperature is 80 to 120 °C, and IP ratings range from IP54 to IP67. Weight ranges from 3 to 15 kg. These values are directory references and must be verified with the legal manufacturer or supplier for the specific model and application. Proper selection and maintenance are essential to avoid damage and ensure safety.

Working Principle

The vibrating head converts rotational or electrical energy into high-frequency mechanical vibrations through an eccentric weight mechanism or electromagnetic system. The eccentric weight, when rotated at high speed, creates a centrifugal force that causes the head to oscillate. This oscillatory motion is transmitted to the concrete, fluidizing the mixture and allowing air bubbles to escape. The frequency and amplitude of the vibrations are critical for effective consolidation, with typical frequencies of 12,000–16,000 rpm and amplitudes of 1.0–2.5 mm. The design ensures that the vibrations are efficiently transferred to the concrete mass, improving compaction and reducing voids.

Common Materials

High-carbon steel, Stainless steel, Hardened alloy steel

Technical Parameters

Parameter	Typical range	Notes & selection driver
Diameter	25–75 mm	Select based on concrete member thickness and rebar spacing
Length	300–600 mm	Affects reach and maneuverability
Amplitude	1.0–2.5 mm	Higher amplitude for low-slump concrete
Frequency	12000–16000 rpm	Typical range for effective consolidation
Centrifugal Force	2000–9000 N	Determines consolidation power
Operating Voltage	36–220 V AC	Low voltage for safety; high voltage for power
Power Consumption	0.5–2.5 kW	Higher power for larger heads
Max Operating Temperature	80–120 °C	Exceeding may damage internal components
IP Rating	IP54–IP67	Higher rating for harsh environmentsIEC 60529
Material	40Cr–42CrMo	Alloy steel for wear resistanceGB/T 3077
Weight	3–15 kg	Affects operator fatigue

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Eccentric Weight Part
Creates unbalanced rotational force to generate vibrations

Material: High-density steel alloy
Shaft Part
Transmits rotational energy from the motor to the eccentric weight

Material: Hardened steel
Casing Part
Protects internal components and provides structural integrity

Material: Stainless steel or hardened steel
Bearing Assembly
Supports high-speed rotation of the eccentric weight

Material: Chrome steel or ceramic

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Vibrating Head.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Concrete Vibrator

View system integration details

Manufacturers of Vibrating Head

Manufacturer profiles associated with Vibrating Head.

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Frequently Asked Questions

What is the function of a vibrating head in a concrete vibrator?

The vibrating head is the part that directly contacts the concrete. It generates high-frequency vibrations that help eliminate air pockets, consolidate the mixture, and ensure proper compaction during construction.

What materials are commonly used for vibrating heads?

Common materials include high-carbon steel, stainless steel, and hardened alloy steel. Material grades such as 40Cr to 42CrMo are referenced in standards like GB/T 3077, but specific grades must be confirmed with the manufacturer.

How do I select the right vibrating head for my application?

Selection is based on parameters such as diameter, length, amplitude, frequency, and centrifugal force. These should be chosen according to concrete member thickness, rebar spacing, and slump. Always verify model-specific values with the legal manufacturer or supplier.

What are typical operating parameters for a vibrating head?

Typical ranges include diameter 25–75 mm, length 300–600 mm, amplitude 1.0–2.5 mm, frequency 12,000–16,000 rpm, centrifugal force 2,000–9,000 N, operating voltage 36–220 V AC, power consumption 0.5–2.5 kW, and maximum operating temperature 80–120 °C. These are directory references and must be confirmed for the actual model.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	Up to 10 bar
other spec:	Concrete slump: 50-200 mm, Max aggregate size: 40 mm
temperature:	-10°C to 80°C

Vibrating Head

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards