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MIT TechTV Machine Shop Videos

From the MachinistBlog.com

 

Machine Shop 1 – Machining Skills for Prototype Development (Length: 40:32)

  • Basic tour of the machine shop
  • Layout techniques (including transferring hole locations)
  • Basic tools: drill press, band saw, belt sander and grinder
  • Locating and drilling holes (includes using a center finder and deburring)
  • Tapping holes (including using a tap guide)

Machine Shop 2 – Machining Skills for Prototype Development (57:33)

  • Drilling holes
  • Special drills for plastics and hard or abrasive materials
  • Drill press limitations
  • Bandsaw
  • Suitable speeds, feeds and materials
  • Bandsaw setup
  • Using the drill press vise

Machine Shop 3 – Machining Skills for Prototype Development (30:02)

  • Good practice – clean up
  • Small belt sander configurations
  • Grinder operations and materials
  • Deburring and buffing
  • Finishing techniques

Machine Shop 4 – Milling Machine 1 (50:33)

  • Parts and controls of a Bridgeport Mill
  • Quill feed
  • Axis handfeeds (11:20) backlash explanation (12:15)
  • Gib locks (14:40)
  • Power feed (18:33)
  • Digital readouts (21:07)
  • Milling machine set-up – squaring/tramming  the head square (22:37)
  • Squaring the vise – adjusting the vise so the stationary jaw is parallel to the bed (32:33)
  • Milling machine accessories and workholding techniques  (41:15)

Machine Shop 5 – Milling Machine 2 (1:03:33)

  • Square and hex collet blocks – used to hold/clamp parts to machine features on 4 and 6 sides of a part respectively (1:02)
  • V-blocks  (2:10)
  • Hold-down clamps – used to hold large or irregularly shaped parts (3:40)
  • Using angle blocks – used to hold materials to machine features not perpendicular on a part (6:15)
  • Drill press vise – using a vise within a vise (8:29)
  • Lathe chuck with vise  – can be used to hold parts in the milling machine (11:11)
  • Double sided tape – can be used to securely hold a part without distortion (12:00)
  • Squaring high aspect ratio parts  (16:02)
  • Right angle attachment (23:04)
  • Slitting saws – used to cut slots/slits/features in a part (33:21)
  • Rotary table – used to machine circular parts, grooves, circles, and segments (41:16).  A dial indicator (43:20) or Coaxial indicator (47:25) can be used to square/center the table to the X & Y axes
  • 5C collet indexer – used to hold collets and to position parts in up to 24 positions  (52:42)

Machine Shop 6 – Milling Machine 3 (42:36)

  • Squaring a part  – machining a piece of metal so all of the surfaces are flat, perpendicular and milled to the nominal size (1:00). Also covers using a fly-cutter (4:50) and deburring (8:40)
  • Squaring a plate (17:52)
  • Using the edgefinder (32:00)
  • Drilling holes with a mill (35:32)

Machine Shop 7 – Milling Machine 4 (23:07)

  • Reaming holes  (1:00)
  • Boring holes with a boring Head (3:04) – also covers using Plug Gages to measure hole sizes (8:54)
  • Milling a slot (10:45)
  • Milling a shoulder, conventional and climb milling (17:11)
  • Cleaning the machine (21:05)

Machine Shop 8 – Lathe 1 (42:37)

  • The Lathe components
  • Turning tools  (6:40)
  • Turning and facing (11:04)
  • Cutting off a part (22:45)
  • Drilling (32:20)

Machine Shop 9 – Lathe 2 (46:15)

  • Tapping
  • Boring (7:31)
  • Knurling with a bump knurler (15:30)
  • Cutting tapers with the vompound (22:21)
  • Turning shafts – using a live center (26:18)
  • Single point thread turning (31:03)

Machine Shop 10 – Lathe 3 (29:00)

  • Lathe chuck
  • Lathe arbors (6:42)
  • Turning between centers (15:40)
  • Face plate irregular shapes (19:00)
  • Face plate thin materials (21:13)