FH-131Aautomatic HTR feeding machine is equipped with an automatic detection feeder before reducing. It is an withstand voltage test and feed equipment after filling the tube; the qualified tubes are automatically sent to the roll reducing machine to be shrink, and the unqualified tubes are automatically sent out , need to remove by hand. 1. Detection of feeding tube length (mm): 200-6000 2. Pipe diameter (mm): 6.5-20 3. Control mode: PLC+touch screen 4. Pipe feeding speed: same as roll reducing machine 5. Tube shape: round