PCB Cooling Storage Buffer ZCL-3BL
Active cooling combined with high-capacity board storage. Lowers board temperature after reflow while storing boards between line segments — prevents warping and component stress.

Product Overview
The PCB Cooling Storage Buffer ZCL-3BL combines two functions: it stores boards in a multi-layer rack and actively cools them using forced airflow during storage. This makes it the right choice immediately after a reflow oven, where boards exit at elevated temperatures and must cool before they can be safely handled, inspected, or processed by downstream equipment.
Without adequate cooling, hot boards can warp under their own weight, cause solder joint stress during handling, or trigger false readings in downstream AOI systems. The ZCL-3BL ensures boards reach a safe handling temperature before they exit the buffer, eliminating these risks while simultaneously providing the storage capacity needed to absorb speed differences between the reflow oven and the next station.
Key Highlights
- Active forced-air cooling — lowers board temperature during storage, not just during transit
- High-capacity multi-layer storage — holds boards for extended periods if downstream is unavailable
- Prevents board warping — controlled cooling reduces thermal stress on boards and solder joints
- SMEMA compatible — integrates with any standard SMT line equipment
- Adjustable rail width — accommodates a range of PCB sizes
- FIFO board order — boards exit in the same order they entered
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | ZCL-3BL |
| Buffer Type | Cooling storage |
| Cooling Method | Forced air (active) |
| PCB Width Range | 50 — 460 mm |
| PCB Length Range | 50 — 460 mm |
| Storage Capacity | High capacity (consult S&M for board count by size) |
| Board Order | FIFO (first in, first out) |
| Interface Standard | SMEMA |
| Power Supply | 220V / 50Hz |
Who Is the PCB Cooling Storage Buffer ZCL-3BL For?
Best For
- Placement immediately after a reflow oven where boards exit at elevated temperatures
- Lines where downstream AOI or handling equipment requires boards to be below a specific temperature
- Production of boards with temperature-sensitive components or fine-pitch solder joints
- Lines that also need storage capacity for maintenance windows or shift changeovers
How It Compares
- vs Storage Buffer ZCL-3BLii: ZCL-3BLii stores boards at ambient temperature. ZCL-3BL adds active cooling — essential when boards exit a reflow oven and must cool before downstream handling.
- vs Cooling Buffer ZCLC-3: ZCLC-3 cools boards while they travel through the buffer on a conveyor. ZCL-3BL stores boards in layers and cools them during storage — higher capacity, more cooling time.
- vs Standard Buffer ZCL-3: Standard buffer provides no cooling. ZCL-3BL adds active airflow for temperature reduction during storage.
Related Products
Need Cooling and Storage After Your Reflow Oven?
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