Universal Dividing Head (311 Series)

The universal dividing head, type 311100A, 311125, 311160A, 311200A is one of the most important attachment for milling machine. With the help of this dividing head the workpiece held between centers, or on a chuck can be rotated to any angle as desired and the periphery of a workpiece can be divided into any divisions of equal parts. By means of all kinds of cutters, the dividing head can also help milling machine to perform the milling operation for flute spur gear, spiral flute, archimedean cam, helical flute and etc.The dividing head is equipped with a face plate that can be mounted onto the spindle nose. The workpiece can be mounted on the face plate, thus, cutting can be carried out on 4 sides of a workpiece.311125C 311160C is designed for the customers special needed, the shafting is improved to support heavy load.The universal dividing head, type 311100AL, 311125AL, 311160AL is the same as of the structures and the operatiom handle is set on the left.Items/Specification311100A311125A311160A311200ACenter Height mm100125160200Swivel angle of single from horizontal to upward≤95°≤95°≤95°≤95°Swivel angle of spindle fromhorizontal to downward≤5°≤5°≤5°≤5°Rotating angle of spindle for one complete revolution of dividing handle9°(540grad.,1´each)9°(540grad.,1´each)9°(540grad.,1´each)9°(540grad.,1´each)Min.reading of vernier10´´10´´10´´10´´Worm gear ratio1:401:401:401:40Taper of spindle boreMT3MT4MT4MT4Width of locating key.mm14181818Diameter of short taper of spindle nose for mounting flange.mmΦ41.275Φ53.975Φ53.975Φ53.975Numbers of hole in dividing plate:1st plate24,25,28,30,34,37,38,39,41,42,4324,25,28,30,34,37,38,39,41,42,4324,25,28,30,34,37,38,39,41,42,4324,25,28,30,34,37,38,39,41,42,43Numbers of hole in dividing plate:2nd plate46,47,49,51,53,54,57,58,59,62,6646,47,49,51,53,54,57,58,59,62,6646,47,49,51,53,54,57,58,59,62,6646,47,49,51,53,54,57,58,59,62,66Individual indexing error of the spindle for one complete revolution of dividing handle±45´´±45´´±45´´±45´´Cumulate error at any 1/4 periphery of spindle±1´´±1´´±1´´±1´´Max.bearing kg100130130130Net weight kg67101.5113130Change gear module1.5222Change gear teeth numbers25,30,35,40,50,55,60,70,80,90,10025,30,35,40,50,55,60,70,80,90,10025,30,35,40,50,55,60,70,80,90,10025,30,35,40,50,55,60,70,80,90,100