Speaker notes Remind learners they will need a full plan for their working activities to ensure that they are working accurately and correctly.
Speaker notes ComponentDescription Vertical headHouses the gearbox and the spindle SpindleProvides drive for the cutting tools, they may be mounted directly into the spindle or using a chuck, tool holder or collet Spindle drilling handleAllows the mill to be used like a pillar drill but should be kept locked for normal milling operations Work tableCan be fed cross wise or longitudinally supports the workpiece and allowing cuts to be made Feed handlesLongitudinal and cross feed handles allow manual movement of the worktable KneeSupports the work table and allows movement up and down to change depth of cut Vertical height Raises or lowers the knee adjustment handle Automatic feed controlTraverses the machine table under power
Speaker notes ComponentDescription OverarmCarries the arbor (spindle) support brackets Arbor support bracketContains a bearing that supports the outer end of the arbor, for heavy cuts more than one of these may be used ArborConnects to the spindle and stretches across the machine table Spindle noseCutters may be mounted on here after removal of the arbor
Speaker notes Workholding devices (clockwise from top left): Machine vice, swivel vice, angle vice, rotary table, clamping set, vee block, angle plate, indexing chuck. Information about the uses of these tools can be found on page 234 of the Candidate Handbook.
Speaker notes Information about the cutting tools for vertical and horizontal mills can be found on pages 236-237 of the Candidate Handbook.
Speaker notes Information on setting the speeds for machines can be found in the Powerpoints for Chapter 6.
Speaker notes Remind learners of the advantages that can be gained by drilling on the milling machine.
Speaker notes More information about checking work can be found in the PowerPoints for Chapter 4.