Editorial Technical Reference

Vibration Motor

This page explains how Vibration Motor is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

An electric motor designed to generate controlled vibrations for industrial applications.

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Product Specifications

Technical details and manufacturing context for Vibration Motor

Definition
The Vibration Motor is a specialized component used in vibration tables and other industrial equipment to produce controlled mechanical vibrations. It converts electrical energy into oscillatory motion through an eccentric rotating mass, which generates centrifugal force. This force creates vibrations that are essential for processes such as material compaction, settling, and separation. The motor's design includes an electrical steel core, copper windings, a steel housing, and bearings, which together ensure reliable operation. The vibration frequency and amplitude are determined by the motor's rotational speed and the configuration of the eccentric weight. For integration with a vibration table, the motor's shaft diameter and mounting dimensions must match the table's specifications, which are typically provided in millimeters. These parameters are critical for proper installation and performance. It is important to note that the actual specifications, such as shaft diameter and mounting dimensions, may vary depending on the specific model and application. Therefore, it is essential to verify these values with the legal manufacturer or supplier before procurement or installation. The motor is designed for industrial use and should be operated within its intended parameters to avoid premature wear or failure. Regular maintenance, including inspection of bearings and windings, is recommended to ensure long service life. If unusual noise, vibration, or performance issues occur, the motor should be inspected by a qualified technician. The Vibration Motor is a key component in many industrial processes, and its proper selection and maintenance are crucial for operational efficiency.
Working Principle
The Vibration Motor operates by rotating an unbalanced mass, also known as an eccentric weight, at high speed. This rotation creates a centrifugal force that is not centered on the motor's axis, resulting in a net force that causes the motor to vibrate. The frequency of the vibrations is directly related to the rotational speed of the motor, while the amplitude is influenced by the mass and eccentricity of the weight. By adjusting these factors, the motor can produce vibrations suitable for various industrial applications, such as compacting concrete or separating materials. The motor's design ensures that the vibrations are transmitted to the attached equipment, such as a vibration table, to achieve the desired effect.
Common Materials
Electrical steel, Copper windings, Steel housing, Bearings
Technical Parameters

What to specify in your RFQ

  • Shaft diameter and mounting dimensions for integration with vibration table in mm

These are the quantities to specify to the manufacturer when sizing or requesting a quote. The manufacturer's own documentation governs the exact figures and applicable standard.

Components / BOM
  • Rotor with Eccentric Weight
    Creates unbalanced rotational force to generate vibrations
    Material: Steel
  • Stator Windings Part
    Converts electrical energy to magnetic field for motor rotation
    Material: Copper
  • Bearings
    Supports rotating shaft and reduces friction
    Material: Steel alloy
  • Housing Part
    Protects internal components and provides mounting interface
    Material: Cast iron or steel

Applied To / Applications

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

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 2 bar
duty cycle: Continuous to intermittent (max 90% on-time)
power input: 12V DC to 240V AC, 50-60 Hz
temperature: -20°C to +80°C
vibration frequency: 10 Hz to 200 Hz
Media Compatibility
✓ Dry bulk solids handling ✓ Vibratory feeders and conveyors ✓ Compaction tables for foundry molds
Unsuitable: Submerged or high-moisture environments without IP68 rating
Sizing Data Required
  • Required vibration force (N)
  • Operating frequency range (Hz)
  • Mounting configuration and space constraints

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Bearing failure
Cause: Lubrication breakdown due to contamination, overheating, or improper greasing intervals leading to metal-to-metal contact and wear
Imbalance-induced fatigue
Cause: Accumulation of material on motor components or uneven wear altering mass distribution, causing excessive vibration and structural stress
Maintenance Indicators
  • Audible grinding or screeching noises from motor housing
  • Visible excessive lateral vibration or wobbling during operation
Engineering Tips
  • Implement precision laser alignment during installation and re-alignment after maintenance to minimize eccentric loading
  • Establish condition-based lubrication schedule using vibration analysis data instead of fixed time intervals

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ISO 10816-1: Mechanical vibration - Evaluation of machine vibration by measurements on non-rotating parts ANSI/ASA S2.70: Guide for the Measurement and Evaluation of Vibration of Machine Sets DIN 45635-1: Measurement of structure-borne sound emitted by machines

Quoted from the published standard.

Manufacturing Precision
  • Shaft runout: ≤0.015mm
  • Mounting surface flatness: ≤0.05mm
Quality Inspection
  • Vibration amplitude and frequency verification test
  • Insulation resistance test (≥100MΩ at 500VDC)

Manufacturers of Vibration Motor

Manufacturer profiles associated with Vibration Motor.

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Technical documentation
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Manufacturing capability
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Inspection readiness
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Frequently Asked Questions

What is the primary function of a vibration motor?

The primary function is to generate controlled mechanical vibrations for industrial applications, such as material compaction, settling, or separation, by rotating an unbalanced mass.

How are vibration frequency and amplitude determined?

The frequency is determined by the motor's rotational speed, while the amplitude is influenced by the mass and eccentricity of the rotating weight. These can be adjusted to suit specific application requirements.

What materials are typically used in a vibration motor?

Common materials include electrical steel for the core, copper windings, a steel housing, and bearings. These materials are selected for their durability and performance in industrial environments.

What should be verified before integrating a vibration motor into a vibration table?

You should verify the shaft diameter and mounting dimensions to ensure compatibility with the vibration table. These specifications are typically provided in millimeters and must be confirmed with the manufacturer or supplier for the specific model.

Data Basis

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

Preliminary Technical Classification
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