Motion Service Products

Motion Service Products

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Beckhoff AL2120-0000 Magnetic plate
$1,296.95/ea ✓ Available
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Choosing Motion Service Products components

Service items are where many planned-maintenance budgets either succeed or fail. Encoder batteries that go dead in storage lose absolute position references; fans that fail silently let drives overheat; brakes that wear or seize cause catastrophic stops on vertical axes. Stocking the right service items proactively avoids unplanned downtime.

Common service categories to consider:

  • Encoder batteries: battery-backed absolute encoders need replacement batteries on a typical 5-year schedule (sometimes shorter under hot operation). The battery type is OEM-specific — Yaskawa SGS-series, Mitsubishi MR-BAT, Siemens 6FX/6SL-series
  • Motor brake assemblies: holding brakes on vertical axes wear from repeated dynamic stops. Replacement assemblies are motor-frame-specific
  • Drive fans: drive cooling fans fail before the drive electronics. Replacement fans are part-number-coded to the drive frame
  • Dust filters and covers: drive intake filters, cabinet filters, and shaft seal covers — consumables in dusty environments
  • Capacitor kits: for older drives, DC-bus capacitors degrade over time and are replaceable as a kit with bleeder resistors
  • Mechanical small parts: shaft oil seals, key blanks, dust caps, and connector boots

Common gotchas: encoder batteries in storage drain over years — surplus motors with absolute encoders may need a fresh battery before being put into service. Drive fans are not generic; the OEM fan has matched bearings and airflow for the heatsink design, and a substitute fan with different airflow can cause thermal trips even at light load. Brake assemblies are motor-frame-specific and the brake gap is critical — a replacement assembly may need shimming during installation. Capacitor kits for older drives sometimes require capacitor-bank re-forming after installation; follow the OEM procedure.

Typical situations: scheduled maintenance turnaround on a packaging line, spare-bank stocking for a critical machine, post-flood or post-fire restoration of motion equipment, and storage refresh of long-idle backup motors.

For obsolete motion service items, send the OEM part number for a sourcing quote.

Do you stock encoder batteries for legacy servo motors?
Yes. Yaskawa SGS-series, Mitsubishi MR-BAT, Siemens 6FX2003, and Allen-Bradley Kinetix encoder battery packs are stocked or sourced. OEM-equivalent batteries are available for some long-discontinued types.
How long do encoder batteries last?
Typically 3–5 years of continuous service, less under high temperature. In storage with the motor powered off, batteries drain faster. Plan a replacement schedule based on the OEM's published battery life and your operating temperature.
Can I use a generic 3V lithium battery in place of the OEM battery?
Sometimes the cell chemistry is identical, but the connector and form factor are OEM-specific. Wiring a generic cell to the OEM connector is sometimes done in the field — proceed at your own risk; warranty is on OEM-equivalent batteries we supply, not on customer-made substitutes.
Do you stock obsolete drive fan kits?
Yes. Discontinued PowerFlex, A1000, MR-J3 fan assemblies, and similar end-of-life service items are sourced through our supplier network.
Are capacitor kits worth it on an older drive?
For drives 10+ years old that have been in service continuously, yes — DC-bus capacitor degradation causes voltage ripple that stresses the IGBT modules. A capacitor refresh can extend drive life significantly when done before failure.
What is the warranty?
12 months functional warranty on service items. Batteries are covered against early failure but not against gradual depletion from extended storage before installation.
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