Beijing Holland Tech. Co. Ltd is a Distributors of Expandable Winding Mandrel Machine. Beijing Holland Tech. Co. Ltd is an ISO 9001:2000 certified company.
Using the connecting flange pedestal for vertical machines, the Expandable Winding Mandrel Machine can be stored vertically. The EWM consists of mandrel body, expandable mechanism, arc supporting plates, expandable linings, locking device of mandrel, device for connecting mandrel and winding machine. The diameter of mandrel can be changed freely by adjusting the spokes, which are driven by an electric driving mechanism or manual adjustment. The EWM can be used in both horizontal and vertical winding machines, so the number of winding mandrels and their occupation of production space can be reduced greatly. The expandable Winding Mandrel [EWM] is a newly special mandrel for winding transformer coils in vertical or horizontal winding machines.