Is It Remanufactured, Repaired or
just Used?
Today you'll commonly hear the term "REMAN" parts. This
term started at Fadal years ago to describe the parts as not just
"repaired" but it was intended to convey the process:
"Quality rebuilds by the Original Manufacture.
Remanufactured with the same process by those who originally built
it."
The fact is many selling parts on the internet claim to have "Reman"
when it's just been "repaired" by someone without any knowledge of
the original specifications. What's
even worse is getting a used part that's been simply cleaned and
painted to look better.
Education, good judgment, and a healthy dose of skepticism are the
best defenses today.
You can trust VMC Electric:
We are the only company working directly with AMC, Baldor and
Glentek to provide OEM factory direct parts and services.
Our Products and Services...
We offer two types of OEM Fadal Parts Repair:
- Remanufactured Exchanges
- OEM Repair Service
Amplifiers: Remanufactured by AMC and
Glentek
Remanufactured to original and in some cases "better than your
original". Besides the rigorous factory testing and repair,
the amplifiers are brought up to the latest design revision
possible.
Beware of those selling repaired amplifiers, only the original
manufactures have the engineering knowledge and design schematics
required to fix the amplifier from failing again. The fact is
with critical circuitry, without schematics any technician is just
guessing at what to fix!
Control Boards: Tested and Warranty by
ITS
Independent Technology Service Inc. The original PCB board house
for Fadal. Providing testing and repairs for all production
boards since 1991 and still providing services for MAG Fadal today.
Look on your board and chances are you'll see the ITS stamp already
on it!
Click Here to see our section dedicated to discussing our Fadal
CNC board repair.
Axis Motors:
Remanufactured by Glentek
Because of the mechanical complexities of a motor, they require
complete overhaul, not just a simple cleaning and painting.
Below is our process for "Remaning" a DC motor to ensure it is
properly repaired.
- Complete disassembly
- Commutator diamond cut on a lathe
- Hipot test is preformed on armature
- Tack resurfaced, cleaned and Hipot tested.
- Tach brushes replaced. if required
- Resolver tested, bearings tested, replaced if needed
- Reassembled -
- Brushes replaced, cut to fit commutator. if required
- New Front and rear bearings
- New Resolver coupler, Constant Velocity.*
- Painted
- Final testing
Note: we found the biggest reason for resolver failure was the
Helicoil type coupler originally used doesn't compensate for axel
misalignment which put tremendous forces on the micro bearings and
accounted for most failures. Without a CV coupler, chances are the
resolver will fail again. It also improves the motor
rotational accuracy within a 360 degree rotation; better finish,
less ripple. Quality is always in the details...
Spindle Drives (Inverters): Buy New or
keep repairing?
One of the most common questions we receive: Should
I buy New, Reman or Have mine repaired?
I can tell you first hand since I was there for the commissioning of
all of them, from the beginning. In fact, back in the late
80's, we at Fadal were repairing the spindle drives returned from
the service department.
Historically there have been seven drives, below a list in order of
commission:
LoveJoy
Toshiba
Mitsubishi
Sewo
BALDOR
AMC
Yaskawa
By far, the majority of units shipped has been the original
BALDOR H-Series; none can compare to the sheer volume of Baldor
drives in service!
Should you buy New, Reman or Have your's
repaired?
Answer - There are many issues/costs to consider with the Rebuilt
or Repair solution:
- Down Time - Repairing your drive has
machine downtime issues. Time and costs for shipping;
actual repair and return shipping. If it's not repaired
correctly; more down time.
- Availability of Parts - BALDOR stopped
making the older, original BALDOR H Series Drive and replacement
parts approximately 3 years ago mostly because of component
availability and technology advancements.
The Fact is repair shops are now left with older, used boards
and only a board swapping method to repair a drive.
- Obsolesces - Most OEMs have limits on
factory repairs based on age, components and design revisions.
- Warranty - Most drive repairs only warranty
the parts they replace. When the drive fails again, you
could be looking at the same repair costs and down time.
- Age - Some of these drives are just "old
and wore", they work by switching 350 VDC to create a PWM AC
voltage and after time, the stress of switching 11 KWs at 3k Hz
takes it's toll on all components. You can see the date of
manufacture by looking at the serial numbers, most drives have
it encoded.
- New Drive - There are those selling
the discontinued BALDOR H-series drives as "New replacements"
but these are really just remnants of old productions and do not
have new service parts available. The only NEW Baldor
drive is the H-2 Vector!
- Remans - Many call parts "remanufactured"
when in actually they are just bench repaired in-house with used
parts. Typically they are not returned to the original
manufacture for rebuilding and revision updates.
- Cost - Why keep investing money in an old
style drive when we offer a new, 2009 H-2 Digital Spindle Drive
with a Two Year Warranty?
Spindles: Reengineered Not Just Repaired
We service all Fadal Spindles - ALL RPMS and ALL lubrication
systems:
Our spindles replacements are more than just a "Spindle In A Box"...
We provide much more!
Our Grease Pack replacement spindles are precision balanced, run-in,
and ready to go, complete with instructions and procedures that help
to extend the life of your replacement spindle.
We also provide a failure analysis to help determine why the old
spindle failed and help avoid another failure. Contaimination
is one of the common causes of failure.
The Air/Oil and Mist Lubricated spindles are completely
Reengineered with a process that includes Proprietary Redesigns that
ensure they produce a more consistent performance and an extended
life well beyond its warranty.
- Grease Pack - Standard lubrication for
7,500 - 10,000 rpm
- Air/Oil - Used for both 10,000 and 15,000
rpm spindles. Oil is atomized with pressurized air and injected
into the bearings. This provides maximum lubrication efficiency
while reducing internal heat. Although this system is the
most effective, conversion from Grease Pack to Air/Oil is
complicated and expensive.
- Mist Lube - Original lubrication on earlier
10,000 and 15,000 spindles. Same basic lubrication as
Air/Oil but lacked monitoring systems.
True Knowledge and Experience you can
Trust!
VMC Electric was started by one of the original family members of
Fadal Engineering and was directly responsible for the Fadal
Control; Software and Hardware - in design, development and
production of the Fadal machines.
There's many examples of True Knowledge and Experience
throughout our site.
