PUMP SHAFT- CONCENTRIC TURNING , DESIGN AND CONSTRUCTION SEQUENCE OF OPERATION -2

     
         

         

 S/NO.        DESCRIPTION                                                           TOOLS                                      8              Change tool to threading tool               thread tool,thread chaser,roughing tool and
              and cut M180 x 150 and rough turn            vernier caliper and steel rule.
                       dia.58.1x123      
 
 9.             Rough turn dia.42.1x109.5                             Rough turning tool,vernier caliper
                 to nominal size                                                                     steel rule

 10            Finish turn surface to exact dimension               finishing tool ,steel rule,micrometer
                 to its tolerance range of 0.0i(mm) and 0.02        and vernier caliper.

  11,           Drill end with dia14(mm) bit  to dimension         Attachment steady,vernier caliper
                 and tap to size with M16 X 150 and chamfer         tapping tool and drill bits.
                 45x2(mm) in all steps,debor edges and polish
                 surface to precise dimension..
  12          
               Unchuck job and mount and mount in vee-block             vee-block,surface plate,dial guage
                  block on a face plate to check diameter,with dial       with magnetic stand.
                  to exact surface roughness.
                                   
                                                          ALL DIMENSIONS ARE IN (mm)