Machine Shop 4

Project - Indexing the Crank Handle (Return to Projects)

 

Name: _________________________                      Date _________________________

 

 


                Part #9B

                Part Desc: Index-Crank Handle

                Quantity Req.: 1

 


PLEASE HAVE INSTRUCTOR INITIAL AND DATE AFTER REQUIRED OPERATIONS

 

                                                                                                          Instructor

Step #              Location                      Description                             Initials                   Date       

 


10                            Instructor                              Use Crank handle body from

                                                                                previous lathe section.

 

20                            Milling Machine                   Setup Index head with

                                                                                a foot stock. Indicate

                                                                                the tailstock and headstock

                                                                                for straightness.

 

30                            Arbor Press                           Lightly lubricate a mandrel

                                                                                with high pressure lubricant.

                                                                                Press the Crank handle onto

                                                                                the tapered mandrel.

 

40                            Student                                  Calculate the indexing procedures

                                                                                for the number of divisions found

on the part.

 

Turns:

 

 

Holes:

 

 

Hole Plate:

 

 

 
 

 


 

 

 

 

 

 

 

 

 

 

50                            Instructor                              Have Instructor check

                                                                                indexing calculations.

 

60                            Indexing Head                      Setup the Indexing head

                                                                                with the proper plate and set

                                                                                the sector arms for the proper

                                                                                hole spacing.

                                                                               

70                            Vertical Mill                           Have Instructor check

                                                                                indexing head setup.                          

 

 

 

               

 


Part # 9B

                Part Desc: Index-Crank Handle

                Quantity Req.: 1

 


PLEASE HAVE INSTRUCTOR INITIAL AND DATE AFTER REQUIRED OPERATIONS

 

                                                                                                          Instructor

Step #              Location                      Description                             Initials                   Date       

 

 


80                            Vertical Mill                           Place the part and mandrel

                                                                                between the headstock and

                                                                                tailstock centers.

 

Vertical Mill                           Set up an edge finder and locate

                                                                                center of the part.

 

 

90                            Vertical Mill                           Touch off  1 inch ball end mill

and take a light cut at each index

                                                                                position. Check for accuracy.

 

100                          Vertical Mill                           Machine part to print

specifications.

 

110                          Vertical Mill                           Break all sharp edges.

 

120                          Instructor                              Turn in part for grading.