An Introduction to An Introduction to the Engine Lathethe Engine Lathe

By Trevor RutzBy Trevor Rutz

The LatheThe Lathe

HeadstockHeadstock

Spindle Speed LeversSpindle Speed Levers

Quick Change GearboxQuick Change Gearbox

• Used to select the Used to select the rate of travel for rate of travel for turning, facing, and turning, facing, and threading.threading.

Lead Screw and Feed RodLead Screw and Feed Rod

< Lead Screw< Lead Screw

< Feed Rod< Feed Rod

Thread Chasing DialThread Chasing Dial

• References the References the rotation of the lead rotation of the lead screw.screw.

CarriageCarriage

< Saddle< Saddle

< Apron< Apron

WaysWays

• Hardened Hardened sliding sliding surfaces.surfaces.

• Do not Do not damage the damage the ways!ways!

BedBed

• Made of Made of Cast IronCast Iron

• Backbone Backbone of Latheof Lathe

TailstockTailstock

• Supports Supports long long workpieces workpieces when when machining.machining.

Rotating CenterRotating Center

• 60 degree 60 degree rotating rotating center point.center point.

Drill ChuckDrill Chuck

Tailstock HandwheelTailstock Handwheel

• Turn the Turn the tailstock tailstock handwheel handwheel to advance to advance the ram.the ram.

Cross SlideCross Slide

< Used for < Used for facing.facing.

Compound RestCompound Rest

Used for:Used for:

• Short Short steep steep taperstapers

• Accurate Accurate shoulder shoulder lengthslengths

Tool PostTool Post

3 Jaw Chuck3 Jaw Chuck

• All 3 jaws All 3 jaws move move together.together.

4 Jaw Chuck4 Jaw Chuck

• All 4 Jaws All 4 Jaws move move independentlyindependently

• Very accurateVery accurate

Chuck WrenchChuck Wrench

• Never let me Never let me catch you catch you doing this!doing this!

OperatorOperator

• Lets Keep it SafeLets Keep it Safe