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MIT Machine Shop Series

English | 320x240 | WMV3 | 25fps 309kbps | WMA 64kbps | 1.1GB

Genre: Video Training

This ten-part series on machining skills for prototype development comes straight from MIT & Erik Vaaler. It's one of the most extensive video tutorials available on the web for machining. MIT's artificial intelligence laboratory's primary work is done for their robotics group. And most of their equipment is unavailable to the public because they're machines that MIT have built

Videos

Machining Skills for Prototype Development:1

1) Basic

2) Layout Techniques

3) Basic Tools: Drill Press, Band Saw, Belt Sander & Grinder

4) Locating and Drilling Holes

5) Tapping Holes

Duration 40:32

Machining Skills for Prototype Development:2

1) Basic 2

2) Drilling Holes

3) Special Drills for Plastics and Hard or Abrasive Materials

4) Drill Press Limitations

5) Bandsaw

6) Suitable Speeds, Feeds and Materials

7) Bandsaw Setup

8) Using the Drill Press Vise

Duration 57:33

Machining Skills for Prototype Development:3

1) Basic 3

2) Good Practice - Clean Up

3) Small Belt Sander Configurations

4) Grinder Operations and Materials

5) Deburring and Buffing

6) Finishing Techniques

Duration 30:02

Machine Shop 4 Milling Machine 1

1 Milling Machine 1 Layout & Use; what the different parts do

2 Quill Feed Allows you to move tool up and down

3 Axis Handfeed Feed/Crank on Axis with Dials to adjust the Bed

4 Gibb Locks Holds/Locks Bed to Saddle & Saddle to Knee and Knee to Body of Machine Locking Ring Adjustments

5 Power Feed Attached to one or more of the Axes Forward/Reverse Knob and Variable Speeed Control

6 Digital Readouts Measure position of Axes to 0.001" or in mm

7 Milling Machine Set-Up Squaring the Head Square=Z-zxis of head [Quill] is perpendicular to axis of Bed

8 Squaring the Vise Adjusting the vice so back [stationary] jaw of vice is parallel to bed Machine Safety, Protocol, & Shop Safety 9 Milling Machine Accessories & Workholding Techniques Milling Machine Tools Drill Chuck-drilling & reaming Boreing Head-more precise cutting to 0.0002" Fly Cutter-used to square up a part [4 teeth and 1 single tooth] End Mill-shank type milling cutter Collett Chucks-holds End Mills Saws-used to make deep narrow slots-installed on an arbor Reamers-used to smooth out inside of drilled holes Edge Finder & Center Finder-used to locate punches or holes on a milled part Boreing Tool-Used on a shank head to bore holes.

Duration 50:33

Machine Shop 5 Milling Machine 2

1 Milling Machine

2 Square and Hex Collett Blocks-used to hold/clamp parts to machine features on 4 and 6 sides of a part, respectively 2 V Blocks Holding parts to machine features into parts and end of parts

3 Hold-down Clamps Used to hold large or irregularly shaped parts

4 Using Angle Blocks Used to hold materials to machine features not perpendicular on a part

5 Drill Press Vice Used to hold a part to machine a feature @ 45? angle and other positions/angles Also used with angle blocks to hold parts

6 Lathe Chuck With Vise Used to hold parts in the milling machine; not accurate method, but quick/convenient

7 Double Sided Tape Used to hold a part in a vice securely without distortion

8 Squaring High Aspect Ratio Parts Used to hold a part to be machined securely and squared

9 Right Angle Attachment A right angle gear box to mill features in an end of a larger/slender part that is clamped in the vice.

10 Slitting Saw A saw blade that is used to cut slots/slits/features in a part Can also be used with a right angle attachment

11 Rotary Table A bench/table attached to the bed of the machine used to machine circular parts, grooves, circles, segments Dial indicator and Co-Axe indicator uses to square/center the Table to the Y axes

12 5 C Collett Indexer Used to hold Colletts and position parts in up to 24 positions for various milling features

Duration 1:03:33

Machine Shop 6 Milling Machine 3

1 Milling Machine 3 Squaring a part, maching all surfaces so they are flat and perpendicular to one another and nominally to the part that will be milled; removing burrs

2 Squaring a Plate Squaring the sides of a part/plate to the dimensions of the finished milled part; remove burrs

3 Using the Edgefinder Used to locate the edge of a part relative to the spindle of the machine

4 Drilling Holes Drill press used to drill holes in parts; center drill milling and other drill bits; setting depth stop

Duration 46:33

Machine Shop 7 Milling Machine 4

1 Reaming Holes Reamer is used to make a drilled hole larger and smoother within 2/10000" of it's diameter

2 Boring Holes A Boring Head is used for making very accurate holes; also used on a quill producing more accurate holes

3 Milling a Slot End Mills used to mill slots in a piece

4 Milling a Shoulder Conventional & Climb Milling

A Shoulder or step milled into a piece Conventional Milling-part is fed against the motion of the tool; best for rough cuts Climb Milling-Part is being fed along with direction or rotation of the tool; better surface finish cuts

5 Cleaning the Machine

Very important in the use of milling machine; chips, dust, etc.. Needs to be cleaned Only a brush or vacuum should be used. Air should never be used; this risks blowing chips into machine and possibly damaging it Most accidents in a machine shop happen when bringing parts to a machine or when the machien is being cleaned

Duration 45:33

Machine Shop 8 Lathe 1

1 The Lathe Components @ Set-Up Axes and Feeds

2 Turning Tools

3 Turning and Facing

4 Cutting Off a Part

Duration 45:02

Machine Shop 9 Lathe 2

1 Tapping

2 Boring

3 Knurling

4 Cutting Tapers with the Compound

5 Turning Shafts Use of live center

6 Single Point Thread Turning

Duration 47:33

Machine Shop 10 Lathe 3

1 Lathe Chuck

2 Lathe Arbors

3 Turning Between Centers

4 Face Plate Irregular Shapes

5 Face Plate Thin Materials

Duration 34:32

Sceenshot

mitmachineshop01s.jpg

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