Hunter Engineering Bl500 Series Brochure Brake Lathe

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BL500 Series Brake Lathe
Variable and Single Speed Combination Lathes

Change from
servicing
rotors to drum
s
in seconds!

Key features at a glance
Digi-Cal Option

✔ Instantly measures drum
or rotor dimensions
✔ Helps technicians quickly
determine total indicated runout
Choice of Lathe Tooling

Positive rake

Negative rake

✔ Includes positive rake tooling
✔ Durable negative rake tooling
available as an option

Adjustable Feed Rate

Self-Aligning Nut Option*

Disc/Drum Con

✔ Dial fast for rapid removal or
slow for final surface finish

✔ Speeds setup

✔ Eliminates po
“crashing” of

✔ One-cut pass capable
* Option depending on selected model.

✔ Prevents overtightening
and mounting errors

✔ Warning indic

Adjustable Spindle Speeds

✔ Provides correct speed for
all size workpieces
✔ No tools required

Twin Work Lamps

BL505 shown with optional features

✔ Adjustable lamps illuminate
both sides of workpiece
✔ Includes built-in deflector shield

ntrol Lockout

Clamp Screw

Built-in Tool Tray

otential
machine

✔ Allows quick setup change
from rotors to drums

✔ Keeps tools within easy reach

cation reminder

Quick setup speeds brake servicing
Change from rotors to drums in seconds!

Change from rotors to drums...

... by loosening clamp screw,
removing rotor setup, rotating
twin cutter...

... set up drum service assembly
and extend drum boring bar.
Fastest in industry!

Choose the brake lathe tooling to suit your needs
Positive rake (standard)

Negative rake (optional)

✔ Provides faster cutting
and reduced chatter

✔ More durable and longer life

✔ Features 3 cutting tips

Spindle speed
adjustment made simple
✔ Quickly adjustable between three working speeds
✔ No tools necessary
✔ Easy to access
✔ Protective housing keeps motor safe from metal
chips and debris

✔ Features 6 cutting tips

Digi-Cal instantly measures workpiece dimensions
✔ Quickly determines if workpiece should be
discarded prior to machining
✔ Enables tech to quickly determine total
indicated runout
✔ Eliminates manual calculation errors
✔ Displays measurements in inches or millimeters
✔ Determines depth of cut quicker and more accurately
than “slip collar” method
✔ Helps technicians perform one-cut service
with confidence

Measures rotor thickness

✔ No handheld tools required
Digi-Cal helps
the technician
determine the
amount of material
to remove for a
one-cut resurfacing
operation.

Measures drum diameter

Quick calibration for
greater accuracy
✔ Easy to perform
✔ Calibrate drum and rotor procedures
in seconds
✔ Prevents accidental removal
of excess material

Calibrates diameter

Calibrates thickness

Heavy-duty bench option*
makes brake service fast and easy
✔ Heavy gauge, all-steel construction
gives extra stability
✔ Rear backboard stores frequently-used
adaptors within easy reach
✔ Large chip collection funnel keeps
debris off the floor
✔ Optional dust containment system**
protects air quality and keeps
work area clean
Form 4076T, 3/02
Supersedes Form 5/99

BL500 Operation Tips
ips
Maintenance

Clean and deburr arbor shaft and ve ical face, clamp cups, cones and all other adaptors, daily
Clean tool Holders, daily
and machined surfaces with anti-rust pr
Wipe down adaptors
preventative, weekly
TEL (314) 731-3020 FAX (314) 731-1776
http: //www.hunter.com
e-mail: info@hunter.com
Shaft
Lubricate main support
rt S
haft grease fitting, annually (left side main housing)
Lubricate drum
dr boring bar grease fitting, annually (inside feed assembly cover)

BL500 Set Up Configuration Guide

Hubless Rotor

Problem

Troubleshooting
2

Taper on arbor and inside spindle
must be
Quick Chuck
cleaned before arbor is installed.

Bent arbor

Replace arbor.

Arbor nut too tight

It is not recommended to use a wrench to
tighten Workpiece. Hand tighten only.

Composite Rotor
Dirty or warped workpiece
Excess workpiece
runout
Dirty or dinged adaptors
2

1

Worn or chipped Quick
insert
inser
Chuck

Insert
rt loose
loose in tool holder
Hubless Drum

Poor surface finish
1

All rust, grease
and dirt must be cleaned
gr
from mounting surfaces of workpiece.
Adaptors must be kept clean. Reface or
replace any damaged adaptors.
3

Rotate or replace insert
inser as needed.
Insert must be securely tightened into holder.

Tool holder loose in boring bar

Tool holder must be securely locked into
boring bar.

Dirt and chips under insert
inser
2
and tool holders

Clean tool holder and boring bar each time
4
3
inser holder is
insert is rotated or insert
Chuck
repositioned. Replace insert if Quick
worn.

Small Drums nl

Too high of a feed rate
Hubbed Rotor

Silencers

4

3

Dirt or rust on locking taper

Excess arbor runout

Chatter

Solution

Symptom
1

Coarse
feedDrum
rates are used for roughing
Hubbed
passes and fine feed rates are used for
finish passes.

No stabilizer used

Install proper
stabilizer for workpiece, see
pr
stabilizers on other side.

Too high of a spindle speed

Char or
Refer to Spindle Speed Selector Chart
Operation Manual for recommended speeds.

Improper
mounting techniques
Impr

Rotor Silencer Chain
222-38-2

Drum Silencer Band
175-186-2 (car)
175-187-2 (truck)
(Non-Vented)

Use the largest clamping cups possible and
use proper
pr
adaptors for composite pieces.

Rotor Silencer Band
175-18 -2
(Non-Vented)

Rotor Silencer
175-185-2

Rotor Silencer
175-276-2
(Vented)

Bench includes a convenient
document holder for operation
manual, application charts and
other reference materials.

Extra storage available
Optional storage drawer
(20-1236-1) allows
expansion of tool and
accessory storage.

* Option depending on selected model

BL505D-AB shown with HunterPro
Level 4 Adaptor Kit, optional
storage drawer and Dust
Containment System**.

** Not compatible with 1 7/8 ” arbor kits

Expand the range of your vehicle applications
with additional accessories from Hunter
Hunter Passenger Car and Light Truck Adaptor Kits
Customize your Hunter
BL500 series lathe to
match your service needs.
Select the appropriate
adaptor kit to service
most rotors, drums and
flywheels.

HunterPro Passenger Car Adaptor Kit
Consists of hubbed
and hubless
adaptors covering a
whole wide range of
applications fitting
most passenger car
rotors, drums and
flywheels, including
composites.

20-1665-1

HunterPro Dual QuickChuck™ Adaptor Kit

HunterPro Elite Cone Adaptor Kit

Consists of hubbed
and hubless adaptors
and three-jaw chuck
mounting system.
Covers a wide range
of applications for
most rotors, drums
20-2614-1
and flywheels for
passenger cars, light trucks and larger light trucks.

Consists of hubbed
and hubless
adaptors covering
a wide range of
applications for
most passenger
cars, light truck and
larger light trucks,
including composites.

Wrenchless self-aligning nut*

Dual QuickChuck adaptor

✔ Eliminates
over-torquing
arbor nut

✔ Ideal for use
with hubless
drums

✔ Works as arbor
spacer and nut

✔ Quick setup with
unparalleled
centering ability
76-377-2

20-2615-1

NEW!

175-423-2

* Included standard in BL505-A and BL505-AB lathe packages.

Specifications*

40

Rotor
Diameter:
Maximum Width:
Maximum Thickness:

6" to 22"
5-3/8"
2"

Drum
Diameter:
Maximum Width:

6" to 24"
8"

Maximum Weight on 1" arbor:

200 lbs.

Spindle Speed(s):

BL505: 85, 110, 175 rpm
BL501: 155 rpm

Feed Rate:

BL505: .002 to .014 in/rev
(infinitely variable)
BL501: 0.003 in/rev.

Motor:

1.5 hp

Power Requirements:

115/230 V, 15/7.5 amp
50/60 Hz, 1ph

Shipping Weight:

525 lbs. (approx.)

Because of continuing technological
advancements, specifications, models and
options are subject to change without notice.

Be sure to check out other
Hunter literature for more
quality products from
Hunter Engineering.

* Some specifications may vary depending upon workpiece configurations
or may require optional adaptors.

BL500 series lathe packages **
Basic Packages

HunterPro Packages

BL505 – Lathe with basic adaptors
Includes combination brake lathe with standard accessory kit
[20-1459-1].

BL505-A – HunterPro lathe package
Package contains combination brake lathe and Standard
HunterPro accessory kit [20-1690-1]. Adaptors NOT included.

BL505-B – Lathe with bench and basic adaptors
Includes combination brake lathe, bench with backboard,
chip tray, storage hooks and standard accessory kit
[20-1459-1].

BL505-AB – HunterPro lathe package with bench
Includes BL505 combination brake lathe, bench with
backboard, chip tray, storage hooks and Standard HunterPro
accessory kit [20-1690-1]. Adaptors NOT included.

** To order Hunter’s Digi-Cal measurement option, add “D” after the model number (e.g., BL505-D).
Single speed lathes can be ordered by requesting BL501 instead of BL505.

0814SAP5M.43
Copyright © 2014, Hunter Engineering Company

Form 3937-T, 08/14
Supersedes 3937-T, 06/12



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