How a Full Auto Screen Exposure Machine With Touch Screen Cuts PCB Exposure Time by 60%

The Hidden Bottleneck in PCB Manufacturing
For PCB fabricators, exposure is often the rate-limiting step in production. Traditional semi-auto or manual exposure machines typically require 90–140 seconds per panel, plus additional time for manual alignment, parameter adjustment and material handling. For high-mix, high-volume PCB shops, this directly caps daily output and raises per-unit labor costs.
At Subit, a Shenzhen-based PCB equipment manufacturer, we set out to solve this with our full-auto touch screen exposure machine. Below is the technical breakdown of how it cuts exposure cycle time by roughly 60% — without sacrificing precision or uniformity.
4 Core Design Features That Drive 60% Faster Exposure
1. 3KW Japan-imported high-power UV light source
The biggest time-saver is the 3KW original imported UV lamp (350–450nm wavelength range). Compared with standard 1.5–2KW lamps on entry-level machines, the higher optical power density delivers sufficient UV energy to the photoresist in a much shorter window. Actual exposure time is controlled between 35–55 seconds, depending on resist type and thickness, versus 90+ seconds on conventional machines.
2. High-speed vacuum clamping system
Equipped with a Taiwan-made oil-free double-circuit vacuum pump (0–140 kPa adjustable), the machine achieves full-frame vacuum adsorption in seconds. This eliminates manual flattening and waiting time, and ensures tight film-to-panel contact for consistent line resolution down to 3–4 μm line/space.
3. Full-auto alignment + touch screen control
The integrated touch screen interface stores multiple recipe parameters and enables one-click operation. Operators no longer manually set exposure time, vacuum level and lamp power for each job. Combined with automatic alignment, per-panel changeover time is reduced by more than half. Exposure time tolerance is held below 0.5s for batch-to-batch consistency.
4. Optimized cooling for sustained high-speed running
A fan-cooling cabinet system maintains stable lamp temperature during continuous production. This prevents power decay from overheating, preserves exposure uniformity above 80% across the full 900×1200 mm exposure area, and extends lamp lifespan to over 1,000 hours — reducing downtime for lamp replacement.
Key Specifications at a Glance

What 60% Faster Exposure Means for Your Factory
Higher daily output: Process nearly 2× more panels per shift on the same floor space.
Lower labor cost: One operator can run multiple machines thanks to full automation.
More consistent yield: Tighter time tolerance and uniform exposure reduce scrap and rework.
Longer uptime: Quality components (TECO motor, Taiwan vacuum pump) minimize maintenance stops.
Ready to Speed Up Your PCB Exposure Line?
Subit is a Shenzhen-based manufacturer specializing in PCB exposure and screen printing equipment. We ship worldwide and provide on-site installation, training and after-sales support.
If you’d like a customized cycle-time calculation based on your current panel size and resist type, or a detailed quotation, send us your production requirements and our engineering team will reply within 24 hours.