WITTENSTEIN alpha (ALPHA) SP060S-MF2-20-1C1-2S – Precision Planetary Gearbox for 20:1 Servo Applications

The ALPHA SP060S-MF2-20-1C1-2S is a compact, high-precision planetary gearbox built for servo-driven machinery where low backlash and repeatable positioning really matter. From my experience, this SP-series size 060 unit pairs smoothly with 40–60 mm class servo motors and delivers a clean 20:1 reduction ratio with very little mechanical play, which is exactly what most indexing, packaging, or small CNC axes need. You might notice that the “MF2” code indicates a motor flange/adaptor configuration, while “1C1” typically denotes a solid output shaft style—great for keyed couplings and pinion mounting.

Company’s Order Placement Process and Guarantees

• Warranty: 365 days
• Lead time: In-stock items ship in about 1 week; no more than 1 month at the latest
• Payment: 50% advance payment; full payment before delivery
• Express options: FedEx, UPS, DHL

Key Features

• 20:1 precision reduction – Smooth, controlled motion for servo axes that need stable speed and higher output torque.
• Low backlash design – Typically within a few arcminutes for this size/ratio, helping keep positioning repeatable over time.
• Compact 060 frame – Saves cabinet and machine space; ideal where envelope is tight but performance can’t be compromised.
• MF2 motor interface – Simplifies mounting to common servo motor brands with the right adaptor hardware.
• Solid output shaft (1C1) – Easy to couple with keys, pinions, or rigid/bellows couplings for high torsional stiffness.
• Lifetime lubrication – Sealed, maintenance-light operation reduces service interruptions in most cases.
• High torsional rigidity – Better dynamic response and less compliance when the axis reverses under load.
• Quiet running – Typically low noise levels compared with general-purpose gearheads, helpful near operators.

Technical Specifications

Application Fields

This model fits best where compact, precise motion is needed with moderate output torque. I typically see it in:

• Pick-and-place gantries and small delta robots
• Packaging and labeling axes (feed rollers, rotary knives, sealers)
• Electronics and medical automation—indexing dials and linear stages
• Light-duty CNC/laser axes and positioning tables
• Rack-and-pinion drives on compact machines (with matching pinion)

Advantages & Value

• Reliability that reduces downtime – Lifetime lubrication and robust bearings help the gearbox run for years with minimal attention.
• Compatibility – MF2 adaptor approach makes it straightforward to mate with common servo brands without custom machining.
• Performance-to-size ratio – High torsional stiffness in a small footprint keeps the axis responsive, which often means faster cycle times.
• Total cost – Consistent backlash and rigidity reduce the need for frequent retuning or replacement; in many cases, that’s where the savings show up.
• Technical support – We can help verify motor fit, coupling choice, and expected backlash at your load point before you order.

Installation & Maintenance

• Mounting – Align the motor shaft carefully; tighten adaptor and clamping screws to the torque specified by the motor kit. Avoid forcing the shaft into the hub.
• Machine interface – Rigidly bolt the gearbox to a flat, stiff surface. Keep overhung and axial loads within the catalog limits for size 060.
• Environment – Install in a clean, dry area with reasonable ventilation. Typical ambient 0–40 °C for standard grease.
• Wiring – Not applicable; ensure motor feedback and power cables are strain-relieved so they don’t load the gearbox.
• Routine checks – Periodically check coupling/pinion set screws and mounting bolts. Inspect seals for leaks or contamination.
• Calibration – If your axis uses a home/mark position, re-check backlash compensation after the first few production weeks.
• Lubrication – Factory lubricated for life under normal duty; no re-greasing is typically required.

Tip from the field: when coupling to a rack-and-pinion, preload the pinion correctly and recheck after thermal soak—the small adjustments often tighten your repeatability by a noticeable margin.

Quality & Certifications

• Manufactured under ISO 9001 quality management
• RoHS-compliant materials per supplier declaration (gearboxes are typically exempt from CE marking as standalone mechanical parts)
• Factory acceptance testing for backlash and runout on each production lot
• Warranty: 365 days from delivery

Optional Accessories & Compatible Components

• Servo motor adaptor kits (MF2 variants for different motor brands and shaft sizes)
• Precision pinions for rack drives (module matched to your rack; keyed or clamped versions)
• Rigid or bellows couplings for inline shaft connections
• Shaft keys and keyway-compatible hubs
• Output shaft seals and replacement hardware kits