30 



ARMATURE CONSTRUCTION 



Fig. 16 shows a blank plate 1000 mm. x 2000 mm. 

 In Fig. 17 there are outlined two discs of 990 mm. diameter 

 showing the largest which can be cut from the standard sheet. 



-5* 



i 



w 



cu 



Fig. 18 shows the sheet well utilised for core discs of about 

 490 mm. diameter. In this case the sheet would be cut down 

 the centre, at AB, in a circular cutter shearing machine, and the 

 long strips fed into the stamping press one at a time. The 



