Received and assembled my HF English Wheel. Also go the accessory (6 each) lower wheels to go with the machine. Question: How tight does one crank up the pressure on one of these machines? I'm a first time user and am practicing on a piece of air conditioning plenum scrap. Thickness measures 0.021 inches so, I guess, (correct me) this puts it in approximately the 25 gauge category. Machine is rated for 16 gauge, which is almost three times thicker.
Also, what is the purpose of the cam lever on the lower wheel? Simply to release the material without changing the setting?
Played around with it for about 30 minutes (got tired) and the best I could do was create a surface that has a radius of about 2-3 feet. I assumed that it would eventually reach the radius of the lower die which is about a 5-6 inch radius.
Am I actually trying to crush and stretch the metal? The metal is slightly dirty (glue and fibers from insulation) on one side. Should I remove the glue and fibers? Do I need to keep the wheels clean and polished?
Any references to books or web sites greatly appreciated. Advice greatly appreciated.
Thanks Ivan Vegvary