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Article | October 31, 1996
Thermex-Thermatron (Bay Shore, NY) has developed a radio frequency welder that uses a combination of PLC control and specific algorithms to allow preprogramming of up to eight settings.
Programs of the Model F20-30 include all parameters for a specific application including power curve profile preseal time seal time and cool time. Suited for blister-to-blister and clamshell sealing. Typical seal time ranges from 1 to 11/2 sec/seal depending on material.
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