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The front roller is also adjustable in height and angle. This “negative effect” roller can be used to produce an upward curve on the wire. | The guide head angle is adjustable; Coarse adjustment in steps of 18° Fine adjustment using the screw adjuster. |
When wound onto the flat sides of the bobbin the inverse curve of wire presses against the long flat edges of the bobbin, reducing the bow effect. | The guide head has four profile rollers with adjustable width & Teflon side walls to protect the wire insulation, as well as an outer “V” groove roller for round wire |