When a curing step has to produce the same result on every shift, manual timing is the weak link. A programmable UV flood lamp fixes the exposure recipe in software, adds a mechanical shutter for accurate timing, and removes operator variation from the process.

What Programmable Control Adds

A basic flood lamp turns on and stays on. The operator judges exposure by a wall clock or a bench timer, and dose drifts with attention, lamp warm-up state, and shift changes. A programmable system replaces that with a stored recipe: set the exposure time, trigger the cycle, and the lamp opens its shutter for exactly that interval, then closes.

The practical benefits are consistency and traceability. Every part sees the same dose. Recipes can be saved per product, so changeover is a menu selection rather than a re-teach. And because the shutter, not the arc, controls timing, the lamp runs at stable output continuously and does not pay a warm-up penalty on each cycle.

The Incure F200P

The F200P is the programmable model in Incure’s F-Series flood range. It pairs a long-life 600 watt metal halide type lamp and parabolic reflector with an integrated control system:

• Programmable exposure through an LCD display and digital keypad, for precise, repeatable cycle times.
• Integrated retractable shutter that both times the exposure and blocks UV between cycles, protecting operators without a separate enclosure.
• Consistent output of roughly 200 mW/cm² UVA over an 8 by 6 inch curing area.
• UV Power-Plus lamp driver for regulated output and extended lamp life.
• Compact integrated head with minimal cabling for bench or stand mounting.

For continuous throughput rather than station-based batch curing, the F-Series also includes non-programmable compact models and higher-output units; the F-Series selection guide walks through matching a model to part size and dose.

Building a Cure Recipe

A repeatable recipe starts from the adhesive data sheet, which lists a minimum dose in mJ/cm² at a specified wavelength. From there:

1. Measure irradiance at the work plane with a UV radiometer, at the exact height parts will sit. Do not use the lamp’s nominal rating.
2. Calculate required time. Dose divided by measured irradiance gives exposure seconds. Add a margin, commonly 20 to 50 percent, to cover lamp aging and part-to-part variation.
3. Confirm full cure. Check hardness, solvent resistance, or pull strength on trial parts, not just surface tack.
4. Lock the recipe and record the irradiance reading and lamp hours alongside it.

Re-measure irradiance on a schedule. Metal halide lamps lose output gradually, and when the measured value drops, either extend the programmed time or replace the bulb to bring parts back into spec. If you would like help establishing a dose window and a re-verification interval, Email Us with your adhesive specification.

Handling Shadowed Geometry

Programmable timing does not solve line-of-sight problems. If a bond line sits under an opaque part feature, it will undercure regardless of exposure time. Options are to redesign the joint so light reaches it, expose from multiple orientations, or specify a dual-cure adhesive that also cures by moisture or heat in the shadow zone. Oxygen inhibition on exposed acrylate surfaces is a separate issue, addressed with a higher surface dose or an inert purge.

Applications

• Electronics assembly: staking, wire tacking, and bonding on boards and modules where every unit must meet the same reliability spec.
• Optical and lighting components: bonding lenses, reflectors, and housings with controlled exposure to avoid overcure stress.
• Automotive subassemblies: sensor potting and trim bonding that must survive thermal cycling.
• Printing and coating: ink and varnish curing with recipe control per substrate.
• Process development: dialing in a dose window on a bench system before transferring it to an inline lamp or conveyor.

Choosing Between Arc and LED

Metal halide flood lamps like the F200P deliver a broad spectrum, which suits adhesives with multiple photoinitiators or those needing longer-wavelength visible-light components. UV LED flood arrays offer instant switching, cooler operation, and long life, but only at their fixed wavelength. Match the source spectrum to what the adhesive’s photoinitiator package absorbs.

Changeover Between Products

The value of stored recipes shows most at changeover. A plant running several products through one flood station can hold a recipe per part number, each with its own exposure time and its own acceptance data. An operator selects the part, the system loads the exposure, and the first part off the changeover is already in spec. That removes the trial-and-error re-teach that a manual lamp forces at every product switch, and it gives quality a documented record of which exposure produced which lot.

Maintenance and Safety

The retractable shutter is a primary safety feature; verify it seals fully and interlocks are functional at every preventive maintenance check. Keep the reflector and shutter aperture clean, and maintain unobstructed cooling airflow. Replace the arc lamp on a scheduled interval and re-measure irradiance afterward. Record the new reading against the recipe so any exposure-time adjustment is traceable to a lamp change rather than an unexplained drift.

Incure supports programmable flood installations from lamp selection through recipe development and periodic requalification.

Contact Our Team to configure a programmable UV flood system for your process.

Visit www.incurelab.com for more information.