PCB Conveyor Mechanism for AOI Systems | Specifications & Verification

Product Specifications

Technical details and manufacturing context for Conveyor Mechanism

Definition

The conveyor mechanism is a critical component of an Automated Printed Circuit Board (PCB) Optical Inspection System, responsible for precisely moving PCBs through the inspection zone at controlled speeds and positions to ensure accurate optical scanning and defect detection. It typically uses motor-driven belts, rollers, or linear actuators to transport PCBs along a predetermined path. Speed and positioning are precisely controlled to synchronize with optical inspection cameras, ensuring each PCB is properly aligned and stationary during image capture. The mechanism is designed to handle PCBs with widths ranging from 50 to 460 mm, adjustable to fit various board sizes, and operates at conveyor speeds of 0.5 to 5 m/min, variable to suit inspection requirements. Positioning accuracy is maintained within ±0.05 mm, with repeatability of ±0.02 mm, ensuring consistent stop positions for reliable imaging. The load capacity is 10 to 30 kg, accommodating the maximum total weight of PCBs on the conveyor. The system operates within an ambient temperature range of 5 to 40 °C and relative humidity of 20 to 80% non-condensing. It requires a single-phase 220 V AC supply (±10%) and consumes 0.5 to 1.5 kW depending on speed and load. The conveyor is rated IP54 for dust and splash protection, and the frame is made of aluminum alloy 6061 per ASTM B221, offering corrosion resistance. The conveyor belt is made of static dissipative ESD PVC to prevent electrostatic discharge damage to sensitive electronic components. Overall dimensions are 1200×600×800 mm (L×W×H), and the weight ranges from 150 to 200 kg depending on configuration. Materials used include aluminum alloy, stainless steel, and engineering plastics. These specifications are directory reference ranges; actual values must be confirmed with the legal manufacturer or supplier for the specific model and application.

Working Principle

The conveyor mechanism operates by using motor-driven belts, rollers, or linear actuators to move PCBs along a fixed path. The speed and position are controlled by a programmable logic controller (PLC) or similar control system, which synchronizes the movement with the inspection cameras. When a PCB enters the inspection zone, the conveyor decelerates and stops precisely at the designated position, ensuring the board is stationary during image capture. After imaging, the conveyor resumes movement to transport the PCB to the next station. The system uses feedback from encoders or sensors to maintain positioning accuracy and repeatability within the specified tolerances.

Common Materials

Aluminum alloy, Stainless steel, Engineering plastics

Technical Parameters

Parameter	Typical range	Notes & selection driver
Conveyor Width	50–460 mm	Adjustable to fit PCB sizes
Conveyor Speed	0.5–5 m/min	Variable speed for inspection
Positioning Accuracy	±0.05 mm	Ensures precise inspection
Repeatability	±0.02 mm	Consistent stop positions
Load Capacity	10–30 kg	Max total PCB weight
Operating Temperature	5–40 °C	Outside range may affect accuracy
Relative Humidity	20–80 % RH	Non-condensing
Supply Voltage	220 ±10% V AC	Single phase
Power Consumption	0.5–1.5 kW	Depends on speed and load
Ingress Protection	IP54	Dust and splash proofIEC 60529
Frame Material	Aluminum 6061	Corrosion resistantASTM B221
Conveyor Belt Material	ESD PVC	Static dissipative
Overall Dimensions	1200×600×800 mm	L×W×H
Weight	150–200 kg	Depends on configuration

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

Drive motor
Provides power to move the conveyor belt or rollers

Material: Steel and copper
Conveyor belt/rollers
Direct contact surface that transports PCBs

Material: Polyurethane or rubber
Guide rails Part
Ensures PCBs remain aligned during transport

Material: Aluminum alloy
Position sensors
Detects PCB position for synchronization with inspection system

Material: Plastic and electronic components
PLC Control System
Stops the board precisely under the camera and restarts it after capture.

Manufacturers of Conveyor Mechanism

Manufacturer profiles associated with Conveyor Mechanism.

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Frequently Asked Questions

What PCB sizes can this conveyor handle?

The conveyor width is adjustable from 50 to 460 mm, allowing it to accommodate various PCB sizes within that range. The actual width setting must be adjusted to fit the specific PCB dimensions.

What is the positioning accuracy and repeatability?

The positioning accuracy is ±0.05 mm, and repeatability is ±0.02 mm. These values ensure that PCBs are consistently stopped at the same position for accurate optical inspection. However, these are reference values; the actual performance may vary with the specific configuration and should be verified with the manufacturer.

What are the environmental operating conditions?

The conveyor is designed to operate in ambient temperatures from 5 to 40 °C and relative humidity from 20 to 80% non-condensing. Operating outside these ranges may affect accuracy and reliability.

What electrical supply is required?

The conveyor requires a single-phase 220 V AC supply with a tolerance of ±10%. Power consumption ranges from 0.5 to 1.5 kW, depending on the conveyor speed and load. Ensure the electrical supply matches these requirements.

Data Basis

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

Preliminary Technical Classification

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pressure:	N/A (mechanical transport only)
other spec:	PCB size range: 50x50mm to 450x450mm, max load per board: 2kg, speed range: 0.1-2.0 m/s
temperature:	15-35°C (59-95°F) ambient operating range

Conveyor Mechanism

Product Specifications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards