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Semi-Universal Dividing Head is a simplified type of universal index center and can be used for direct dividing. No. accessories for the differential dividing and spiral work are included, but the whole construction of the dividing head and tailstock are identical with those of the universal type. |
The unit has a direct indexing plate with 24 holes enabling the direct of 2,3,4,6,8,12,24 division. Three further indexing plates are pdrovided as standard to facilitate to facilitate indirect of all divisions from 2 to 50 and also most useful divisions up to 380. |
Number of holes of Dividing Plates (Worm-gear reduction ratio 1:40) |
Dividing Plate | Number of holes | |||||
1 | 2 | 3 | 4 | 5 | 6 | |
Plate A | 15 | 16 | 17 | 18 | 19 | 20 |
Plate B | 21 | 23 | 27 | 29 | 31 | 33 |
Plate C | 37 | 39 | 41 | 43 | 47 | 49 |
MODEL | A | B | H | h | a | b | g | A1 | ||||||||
BS-0 | 189 | 7-7/16 | 140 | 5-33/64 | 173 | 6-13/16 | 100 | 3-15/16 | 160 | 6-19/64 | 91 | 3-37/64 | 13 | 33/64 | 167 | 6-37/64 |
BS-1 | 293 | 11-11/12 | 156 | 6-9/64 | 220 | 8-21/32 | 128 | 5-3/64 | 207 | 8-5/32 | 114 | 4-31/64 | 16 | 5/8 | 191 | 7-33/64 |
MODEL | B1 | H1 | a1 | b1 | g1 | Taper of Center | Diameter of Spindle hole | N.W. | |||||
BS-0 | 80 | 3-5/32 | 108 | 4-15/64 | 130 | 5-1/8 | 92 | 3-5/8 | 13 | 3-3/64 | B&S No.7 | 18 | 22kg |
BS-1 | 80 | 3-5/32 | 137 | 5-25/64 | 150 | 5-29/32 | 108 | 4-1/4 | 16 | 5/8 | B&S No.9 | 20 | 36kg |