4 tips to achieve the best quality on a SEFA heat press
Your heat press is an important part of the ChromaLuxe workflow. Read our important tips to check if your SEFA press is properly configured, so you'll get perfect sublimated panels.
TIP 1: CHECK WHETHER THE AMOUNT OF COMPRESSED AIR IS SUFFICIENT TO CLOSE YOUR HEAT PRESS IN A FAST WAY
Your SEFA heat press needs a lot of compressed air to function properly. You need 5.5 bar as input pressure to have optimum output.
Large format heat presses need a lot of air to push up/push down the bottom/top bed(s). When your heat press closes, it will use the available air in your air compressor. Depending on the air tank installed on your air compressor, the needle of the air indicator, will fall back. If you do not sufficient air available, the needle will need more than 15 seconds to get back to 5.5 bar. If that happens, you will not have sufficient pressure during the closing procedure. This will result in a out-of-focus output.
Be sure your air compressor tank is sufficient big enough for your heat press:
- ROTEX AIR PRO: capacity: 24 liters - airflow: 74 liters/minute
- SLIDE 865: capacity: 24 liters - airflow: 74 liters/minute
- SLIDE 1285: capacity: 50 liters - airflow: 111 liters/minute
- SUBLIMAXI 1510: capacity: 100 liters - airflow: 200 liters/minute
- SUBLIMAXI 1812: capacity: 200 liters - airflow: 300 liters/minute
- SUBLIMAXI 2513: capacity: 250 liters - airflow: 400 liters/minute
TIP 2: REMOVE EVERY DAY ALL TRAPPED HUMIDITY IN YOUR HEAT PRESS
Every bed of the large format SEFA heat presses is installed with 1 or 2 sheets of felt. During the night, at weekends, vacation, or when not used, this felt will take up the humidity that is present in your sublimation room (even when your production room has AC). Humidity is one of the enemies of the sublimation workflow, so you need to remove it before you start to produce ChromaLuxe panels. Perform below tip, every morning before you start to sublimate.