Thursday, 19 April 2012

Milling Machine Accessories

     Milling Machine Accessories
         Wide variety of accessories greatly increase versatility and productivity
         Accessories classed as fixtures or attachments.
       Work-holding device fastened to table.
       Designed to hold work pieces that cannot be readily held in vise or when large quantities are to be machined.

      Milling Machine Attachments
         Designed to hold special attachment that increase versatility of machine.
       Vertical, high-speed, universal, rack milling, slotting.
         Designed to hold standard cutters.
       Arbors, collets, and adapters
         Designed to hold work piece.
       Vise, rotary table, indexing (dividing) head.
     Vertical Milling Attachment
         Enables plain or universal milling machine to be used as a vertical milling machine
       Mounted on face of column or over arm
         Angular surfaces made by swiveling head, parallel to face of column up to 45º either side of vertical
         Used for face milling, end milling, drilling, boring and T-slot milling
         Universal milling attachment modification allows swiveling in two planes for cutting compound angles
         Rack Milling Attachment
         Used to mill longer gear racks (flat gears) than could be cut with standard horizontal milling machine
       Rack indexing attachment included

     Slotting Attachment
       Converts rotary motion of spindle into reciprocating motion
       Cutting key ways, splines, templates, and irregularly shaped surfaces
       Length of stroke controlled by adjustable crank
       Tool slide may be swiveled to any angle in plane parallel to face of column.
       Arbors
       Arbors
       Used for mounting milling cutter
       Inserted and held in main spindle by draw bolt
       Shell-end mill arbors
       Permit face milling horizontally or vertically
       Fit into main spindle
     Collets and Adapters
       Collet adapters
       used for mounting drills or other tapered-shank tools in main spindle of machine or vertical milling attachment
       Quick-change adapter
       Mounted in spindle
       Permits such operations as drilling, boring, and milling without change in setup of work piece
     Arbors, Collets, and Adapters
  

     Milling Machine Vises
         Plain vise
       Jaws parallel or 90º to axis of spindle 

Milling Machine Vises
       Swivel base vise
       Can swivel through 360º in horizontal plane 

Milling Machine Vises
       Universal vise
       Can swivel through 360º in horizontal plane and tilted from 0º to 90 in vertical plane.

Indexing or Dividing Head
         Permits cutting of bolt heads, gear teeth, ratchets
         Revolve work as required to cut helical gears and flutes in drills, reamers, and other tools
         When connected to lead screw of milling machine
Horizontal Boring Mill




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