L-type PCB downloader
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Product Introduction – L-type PCB Downloader (Unloader)
The L-type PCB Downloader, also known as an L-type PCB Unloader, is used at the end of an SMT production line to automatically unload finished PCBs into storage magazines. Its L-shaped structure positions the magazine rack perpendicular to the conveyor, saving floor space and allowing easier magazine handling in compact environments.
Key Features
L-shaped magazine orientation: Optimizes floor layout by placing magazines at a 90-degree angle to the conveyor.
Fully automatic unloading: Transfers PCBs from the conveyor into magazine slots using a push-arm and lift system.
Touch screen operation: Intuitive HMI for setting operating modes, lift control, and diagnostics.
Programmable slot control: Supports empty-slot skip, adjustable unloading pitch, and full magazine detection.
SMEMA-compatible: Enables inline communication with AOI, reflow, or inspection equipment.
Safe and stable design: Aluminum frame with ESD-safe construction, emergency stop button, and protective covers.
Technical Specifications
| Item | Specification |
| Model | L-Type PCB Downloader / Unloader |
| PCB Size Range | 50 × 50 mm to 330 × 250 mm (customizable) |
| Magazine Size | 355 × 320 × 563 mm (standard) |
| Cycle Time | Approx. 6 seconds/PCB |
| Conveyor Height | 900 ± 20 mm |
| Transport Direction | Left to right or right to left |
| Air Supply | 4–6 kg/cm² |
| Power Supply | AC 220V, 50/60Hz |
| Control System | PLC + Touchscreen |
| Weight | Approx. 180–250 kg |
Applications
End-of-line PCB unloading in SMT/EMS production lines
Commonly used after reflow ovens, AOI, functional testers
Suitable for rigid, semi-flex, or LED PCBs
Related Accessories – L-Type PCB Downloader / Unloader
1. Magazine & Handling Accessories
| Accessory | Description |
| Standard PCB Magazine | 355×320×563 mm or 390×320×570 mm, ESD-safe frame |
| Magazine Clamp Set | Holds the magazine securely on the lift platform |
| Magazine Lift Platform | Electric-driven platform for vertical movement of the magazine |
| Magazine Push Arm | Transfers PCB from conveyor into magazine slot |
2. Mechanical Components
| Accessory | Description |
| Guide Rail (Adjustable) | For smooth PCB alignment and stable transfer |
| PCB Stopper | Stops PCB at correct push-in point; sensor-activated |
| Frame Panels / Covers | ESD-safe aluminum side panels and top covers |
| Conveyor Belt or Chain | Anti-static conveyor segment for PCB transfer |
| Adjustable Support Feet | Height adjustment and leveling for conveyor height |
3. Electrical & Control Components
| Accessory | Description |
| PLC Controller | Typically from Mitsubishi, Siemens, or Omron |
| Touch Screen (HMI) | 7-inch or 10-inch for user interface and settings |
| Photoelectric Sensors | Detect PCB arrival, magazine slot status, or empty condition |
| Emergency Stop Switch | Operator safety — instantly halts machine |
| Power Switch / Main Breaker | Controls AC input; includes fuse circuit |
| SMEMA Interface Cable | Communicates with upstream machines (AOI, reflow, etc.) |
4. Pneumatic Accessories
| Accessory | Description |
| Air Cylinder (Pusher Arm) | Drives PCB into magazine slot |
| Solenoid Valve | Directs air flow to cylinder; 5/2-way common type |
| FRL Unit (Filter + Regulator + Lubricator) | Ensures clean, regulated air supply |
| Pneumatic Tubing (6mm/8mm) | Anti-static air tubes for all air systems |
5. Maintenance Tools & Safety Accessories
| Accessory | Description |
| Lubrication Oil | For linear guide maintenance (VG32 or equivalent) |
| Cleaning Tools | Anti-static brush, air blower, ESD cloth |
| Spare Fuse Kit | For main power control unit |
| Tool Kit | Hex keys, screwdrivers, spanner set |
| Safety Light Curtain (optional) | Enhances operator protection around the working zone |
6. Optional Upgrades
| Accessory | Description |
| Barcode Scanner Mount | For inline product tracking integration |
| Full Magazine Alarm Light | Signal tower to indicate magazine change required |
| Custom Magazine Adapter | For non-standard board or carrier sizes |
Related Part Numbers – L-Type PCB Downloader / Unloader
1. Magazine & Handling Parts
| Part Name | Description |
| Standard PCB Magazine | 355 × 320 × 563 mm (standard size) |
| Large PCB Magazine | 390 × 320 × 570 mm |
| Magazine Clamp Set | Clamping mechanism for securing magazine |
| Lift Platform Assembly | Motorized vertical lift unit |
2. Mechanical Components
| Part Name | Description |
| Push Arm Assembly | Pneumatic push arm |
| Guide Rail (adjustable) | Aluminum rail, ESD-safe, 250 mm length |
| PCB Stopper (Sensor Type) | Stops PCB before loading into magazine |
| Conveyor Chain/Belt | 6 mm wide ESD-safe belt |
| Adjustable Feet | Anti-vibration leveling foot, M12 thread |
3. Electrical & Control Components
| Part Name | Description |
| PLC Controller (Mitsubishi) | 24 I/O, used in many unloader models |
| Touchscreen HMI (Weinview) | 7” screen for operator control |
| Photoelectric Sensor | Position detection (PCB or slot) |
| Emergency Stop Button | 22 mm twist-type red emergency switch |
| SMEMA Communication Cable | 10-pin interface cable for inline comms |
4. Pneumatic Accessories
| Part Name | Description |
| Air Cylinder (Pusher) | Compact air cylinder, 32 mm bore, 50 mm stroke |
| Solenoid Valve | 5/2-way double coil |
| FRL Unit | Filter + Regulator + Lubricator unit |
| Air Tubing (6 mm) | Black ESD-safe PU tubing |
5. Maintenance & Optional Components
| Part Name | Description |
| Lubrication Oil | For guide rail and lift mechanism |
| Safety Light Curtain | Optional safety barrier |
| Signal Tower Light | Red/Green/Yellow stack light, 220V |
| Barcode Scanner Mount | Mounting bracket for inline scanner |
| Spare Fuse Kit | 5A, 220V fuses with fuse holders |
FAQ Guide – L-Type PCB Downloader / Unloader
1. What is the L-type PCB Downloader used for?
The L-type PCB Downloader (also called PCB Unloader) is used at the end of the SMT production line to automatically receive and unload finished PCBs from the conveyor into storage magazines. It ensures safe, efficient handling of completed boards.
2. Why is it called “L-type”?
Because the magazine rack is positioned at a 90° angle (perpendicular) to the PCB conveyor direction, forming an L-shape. This layout saves floor space and allows better access for operators.
3. What kinds of PCBs can it unload?
Standard rigid PCBs
LED light boards
Aluminum or fiberglass (FR4) boards
PCB size typically from 50 × 50 mm to 330 × 250 mm (customizable)
4. What are the compatible magazine sizes?
355 × 320 × 563 mm (standard)
390 × 320 × 570 mm (optional)
Custom magazine sizes are supported upon request
5. What are the main features?
L-shape magazine placement for compact line layout
Fully automatic PCB loading into magazines
Touch screen + PLC control system
Programmable slot pitch and skip-empty function
SMEMA interface compatible
Safety interlocks and emergency stop button
Aluminum frame with anti-static surface
6. What is the cycle time per PCB?
Around 6–10 seconds per board, depending on board size and push speed
7. What safety functions are included?
Emergency stop switch
Enclosed covers over moving parts
Error alarms and buzzer
Optional: Safety light curtain (for operator protection)
8. What are the main replaceable parts?
Push arm assembly
Lift motor or cylinder
Sensors (photoelectric or slot detection)
Touch screen panel
Solenoid valve and pneumatic tubing
Magazine clamps and guide rails
9. What maintenance is required?
Daily: Clean conveyor, check for loose parts
Weekly: Inspect sensors and push mechanism
Monthly: Lubricate lift guide and check air pressure system
As needed: Replace worn parts (belts, cylinders, fuses)
10. Can it be integrated with MES or barcode systems?
Yes. Many models support integration with:
MES data collection
Inline barcode scanners
Traceability systems
11. Is customization available?
Yes. You can request:
Magazine size changes
Conveyor width customization
Additional I/O ports or network modules
External signal tower or buzzer
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Contact:
CNSMT Electronics Equipment Co,.LTD
Email: info@smtlinemachine.com
www.smtlinemachine.com
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