 |

Competitor Information for Ammco |
Accu-Turn 8944L |
Ammco 4000 |
|
| Easy To Use |
Impossible to run both feeds at the same time. |
Able to engage both feeds at once. |
|
| One cut finish, regardless of amount of material to be removed. |
Rough cut and finish cut needed. (Maximum cut per side is .008") |
|
|
Rotor and drum feeds turn off electrically at end of travel
using a limit switch. |
Rotor lead screw runs out of lead nut which must be mannually
cranked into nut. Operator must manually adjust drum shut-off. |
|
| Rigid Construction |
Spindle runs on Timken tapered roller bearings (zero tolerances). |
Spindle runs on bronze bushings (must have tolerances). |
|
|
Cross feeds are on massive dove tail ways with 4
adjustment points for wear. |
Cross feeds are round tubes with no adjustment for wear. |
|
| Cross slides are stacked on cast iron housings for added rigidity. |
Cross slides are light weight and are hung with no support. |
|
| Shipping weight: 530 lbs. (Rigid) |
Shipping weight: 365 lbs. (Not rigid) |
|
| Durability |
Cross feeds and ways are protected by stainless steel way covers. |
Cross feeds use rubber boots which are easily damaged and hard to replace. |
|
| Simplicity of design-only 6 gears in entire lathe. |
Complicated, 3 transmissions are extremely expensive to repair. |
|
|
Totally enclosed DC feed motors for each rotor & drum feed.
Separate motor for spindle. |
One motor for all operations of lathe (spindle, rotor, and
drum feeds). Plastic shear gear designed to break. |
|
| Lubricated feed screws w/ stainless steal protections. |
Feed screws not lubricated. |
|
| Accuracy |
Spindle is stationary with fixed tolerances. |
Spindle telescopes, magnifying tolerances. |
|
|
Variable speed on both spindle & feed rates for fine tuning
to eliminate harmonics. |
Variable speed on drum feed only. |
|
| Fully machined adapters with strict tolerances throughout. |
Light weight adapters with loose tolerances. |
|
| Positive rake tooling. |
Negative rake tooling. |
|
Exceeds all OEM specifications w/only one pass..
Non-directional finishing not required). |
Requires additional non-directional finish to meet
OEM specifications. |
|
| Versatility |
Designed to machine rotors, drums and flywheels. |
Designed to be a drum lathe then adapted to cut rotors. |
|
|
Accommodates wide range of rotor 4-24" in diameter, up
to 2-1/4" thick, standard. |
Accommodates rotor up to 14.5" in diameter, up to 1-1/3 thick, standard. |
|
| Machines flywheels with standard equipment. |
Does not machine flywheels. |
|
|
 |
 |

Competitor Information for Hunter |
Accu-Turn 8944L |
Hunter BL505 |
|
| Easy To Use |
Slotted T-bolt for adjustment of twin cutter (fully adjustable). |
Lack of rigidity on twin cutter. |
|
| No-mar spacer holds twin cutter. |
Tightening bolts scores mounting bar. |
|
|
Handles small diameter drums and drums with up to 6"
braking surface with standard boring bar. |
Attachments require for small diameter drums or
drums with more than 4" of depth. |
|
| Rigid Construction |
Cross feeds are on massive dove tail ways w/4 adjustment
points for wear. |
Cross feeds are hung on round tubes with no adjustments for wear. |
|
| Cross slides are stacked on cast iron housings for added rigidity. |
Built on rounds, no dovetails. |
|
| Boring bar assembly bolted in place. |
Floating boring bar, no lock. |
|
| Durability |
Cross feeds and ways are protected by stainless steel
way covers. |
Guide bar is exposed. |
|
| Boring bar easy to remove and maintain. |
Boring bar freezes. (Time consuming to free). |
|
| Lubricated feed screws with stainless steel protection. |
Non lubricated feed screws. |
|
| Accuracy |
Cross feeds are on massive dove tail ways w/4 adjustments
points for wear. |
Cross feeds on round tubes with no adjustment for wear. |
|
|
Cross slides are stacked on cast iron housings for added rigidity. |
Built on rounds, no dovetails. |
|
| Fully machined adapters with strict tolerances throughout. |
Split collets. |
|
| Positive rake tooling. |
Postive rake tooling on negative rake machine. |
|
Exceeds all OEM specifications with only one pass.
(Non-directional finishing not required). |
Requires additional non-directional finish to meet OEM specifications. |
|
| Versatility |
Machines flywheels with standard equipment. |
No flywheel capabilities. |
|
|
 |
 |

Competitor Information for Performance |
Accu-Turn 8944L |
Performance 6600 |
|
|
| Easy To Use |
One cut finish, regardless of amount of material to be removed. |
Multiple cuts, rough and finish cut. |
|
| DC speed control. |
Dimmer switch w/ inconsistent settings. |
|
| Slotted T-bolt adjustment of twin cutter (Fully adjustable). |
Lack of rigidity on twin cutter. |
|
| No-mar spacer holds twin cutter. |
Tightening bolt scores mounting bar. |
|
|
Handles small diameter drums & drums up to 6" braking
surface w/standard boring bar. |
Attachments required for small diameter drums or drums
with more than 4" depth. |
|
| Rigid Construction |
Cross feeds are on massive dove tail ways with 4 adjustment
points of wear. |
Cross feeds are round tubes with no adjustments for wear. |
|
| Cross slides are stacked on cast iron housings for added rigidity. |
Built on rounds, no dovetails. |
|
| Boring bar assembly bolted in place. |
Floating boring bar, no lock. |
|
| Durabillity |
Cross feeds and ways are protected by stainless steel way covers. |
Guide bar is exposed. |
|
| Simplicity of design: only 6 gears in entire lathe. |
Expensive spindle/motor gearbox. |
|
| Motor for each rotor, drum and spindle. |
Feed motor does not lock between rotor and rum feed. |
|
|
Totally enclosed independent DC feed motors for each
rotor and drum feed. Separate motor for spindle. |
Inconsistent AC feed motor. |
|
| Lubricated feed screw with stainless steel protection. |
Non lubricated feed screws. |
|
| Boring bar easy to remove and maintain. |
Boring bar freezes. (Time consuming to free). |
|
| Accuracy |
Cross feeds are on massive dove tail ways with 4 adjustment
points for wear. |
Cross feeds on round tubes with no adjustment for wear. |
|
|
Cross slides are stacked on cast iron housings for added
rigidity. |
Built on rounds, no dovetails. |
|
| Fully machined adapters with strict tolerances throughout. |
Split collets. |
|
| Positive rake tooling. |
Negative rake tooling. |
|
Exceeds all OEM specifications with only one pass.
(Non-directional finishing not required)> |
Requires additional non-directional finish to meet OEM specifications. |
|
| Versatility |
Machines flywheels w/standard equipment. |
No fly wheel capabilities. |
|
|
 |