AutomotiveAutomotive

AMMCO Brake LatheAMMCO Brake Lathe

AMMCO Brake LatheAMMCO Brake Lathe

Why - Brake Lathe Why - Brake Lathe

As brakes are used and worn they As brakes are used and worn they get to a point in which they become get to a point in which they become unusable or under specunusable or under spec

A brake lathe allows a person to A brake lathe allows a person to machine brake parts true so that machine brake parts true so that they can be used again in a brake they can be used again in a brake systemsystem

Safety ConcernsSafety Concerns It is important to look over the machine before use in order It is important to look over the machine before use in order

to determine if damage is presentto determine if damage is present Do not operate a machine which is damaged or in need of Do not operate a machine which is damaged or in need of

repairrepair Proper eyewear or a face shield is a must as it will prevent Proper eyewear or a face shield is a must as it will prevent

serious injury from flying metal shavings or loose machine serious injury from flying metal shavings or loose machine partsparts

Make sure the parts being machined are securely fastened Make sure the parts being machined are securely fastened on the latheon the lathe

Do not wear loose clothing or jewelry and tie hair back to Do not wear loose clothing or jewelry and tie hair back to avoid being dragged into the running machine during avoid being dragged into the running machine during operationoperation

Keep work area cleanKeep work area clean Keep bystanders away when machine is in operationKeep bystanders away when machine is in operation

Setting Up To Machine A Setting Up To Machine A Disc RotorDisc Rotor

Inspect the brake rotor to insure that no cracks Inspect the brake rotor to insure that no cracks or deformities are presentor deformities are present

Determine the thickness of the rotor with a Determine the thickness of the rotor with a micrometer to insure that the brake rotor is still micrometer to insure that the brake rotor is still within the within the minimum machine to thicknessminimum machine to thickness

Setting Up To Machine A Setting Up To Machine A Disc RotorDisc Rotor

Identify the taper end of the disc Identify the taper end of the disc brakebrake

Taper

Setting Up To Machine A Setting Up To Machine A Disc RotorDisc Rotor

Setting up the rotor to machine can seem like a Setting up the rotor to machine can seem like a confusing taskconfusing task

The use of a arbor nut, self aligning spacer, The use of a arbor nut, self aligning spacer, spacers, centering cones and tapers all spacers, centering cones and tapers all contribute to align the disc rotor to machine contribute to align the disc rotor to machine true.true.

Selection of setup components next to lathe

Disc Rotor Disc Rotor Setup Components

Arbor Nut Self-Aligning Spacer Spacer

SpringTapersOuter Adapter

Disc Rotor Setup in Disc Rotor Setup in Order Order

Taper Side of Rotor

Taper to TaperMajor Alignment Component

Setting Up To Machine A Setting Up To Machine A Disc RotorDisc Rotor

Setup of disc rotor and components on Setup of disc rotor and components on brake lathebrake lathe

Note that the arbor nut is reverse thread Note that the arbor nut is reverse thread so that it will not spin off or loosen during so that it will not spin off or loosen during machiningmachining

Arbor Nut

Brake Lathe ControlsBrake Lathe Controls

X Movement

Y Movement

Brake Lathe ControlsBrake Lathe Controls

Y Movement Control

Fine Adjustment On Tool Bits

On / Off Switch

X Movement Control

Alignment of Tool BitsAlignment of Tool Bits Use the fine adjustment tool bit control to bring Use the fine adjustment tool bit control to bring

tool bits until they just touch the disk brake tool bits until they just touch the disk brake Use red knobs to lock off tool bit position for Use red knobs to lock off tool bit position for

machine processmachine process

Cross Feed ControlCross Feed Control

This is used to automatically do the This is used to automatically do the machining processmachining process

Two speeds are used to produce a fast Two speeds are used to produce a fast rough cut and slow finishing cutrough cut and slow finishing cut

A rough cut is used to take bulk material A rough cut is used to take bulk material off of the rotor to speed up machine off of the rotor to speed up machine processprocess

Always Have Safety Guards Always Have Safety Guards In Place When Machine Is In Place When Machine Is

Running!!!Running!!!

Machining ProcessMachining Process Align tool bits at the back of the rotor using the Y Align tool bits at the back of the rotor using the Y

axis controlaxis control Turn machine on Turn machine on Engage the cross feed in the fast speed first to Engage the cross feed in the fast speed first to

begin rough cutbegin rough cut

Machining ProcessMachining Process Adjust tool bits to take another small amount of Adjust tool bits to take another small amount of

material off of rotormaterial off of rotor Repeat process over again in slow speed for a Repeat process over again in slow speed for a

finishing cutfinishing cut

FinishedFinished Double check that rotor is still in manufactures Double check that rotor is still in manufactures

spec thicknessspec thickness A small amount of wobble or run out is normal in A small amount of wobble or run out is normal in

brake rotorsbrake rotors Install rotor back on vehicleInstall rotor back on vehicle

Cleaning Up Around Cleaning Up Around MachineMachine

Remember to clean up around the machine when Remember to clean up around the machine when completecomplete

Brush off metal shavingsBrush off metal shavings Empty shavings bin into the garbageEmpty shavings bin into the garbage Put alignment components back in the rack in Put alignment components back in the rack in

their proper positiontheir proper position