SSN31-1FVAL - Lenze SSN worm gearbox

Lenze SSN worm gearbox with a documented system role and explicit evidence boundaries.

Documented function

Rebuilt from individual evidence

System position

Unknown: Evidence boundary

The Lenze operating instructions list SSN31-1FVAL as a worm gearbox type and specify CLP PG460 lubricant with a 60 ml quantity.

The gearbox sits between a compatible motor and the driven mechanical load to transmit motor torque.

Unknown: The gear ratio, torque rating, flange arrangement, motor pairing, installed load, and current unit condition are not established by the captured source.

Exact reference: SSN31-1FVAL
Category: Drives / VFD
Evidence checked: 2026-09-12

System role

This section explains what the product does and where it acts in the surrounding system.

Function: Transmits motor torque to the driven mechanical load through the worm gearbox.
System position: Sits between a compatible motor and the driven mechanical load in a gearbox stage.
Upstream / inputs: Receives mechanical torque from the compatible motor.
Downstream / outputs: Transmits torque to the driven mechanical load.
Limitations: Unknown: The gear ratio, torque rating, flange arrangement, motor pairing, installed load, and current unit condition are not established by the captured source.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

The Lenze operating instructions list SSN31-1FVAL as a worm gearbox type and specify CLP PG460 lubricant with a 60 ml quantity.
Confidence: high
- www.lenze-com.ru — retrieved 2026-09-12; medium confidence

Inferences

The gearbox sits between a compatible motor and the driven mechanical load to transmit motor torque.
Confidence: medium
Rationale: The source identifies the exact reference as a worm gearbox type; its mechanical system placement is an explicit gearbox-role inference.
- www.lenze-com.ru — retrieved 2026-09-12; medium confidence

Unknowns

Unknown: The gear ratio, torque rating, flange arrangement, motor pairing, installed load, and current unit condition are not established by the captured source.
Confidence: low
Missing evidence: The gear ratio, torque rating, flange arrangement, motor pairing, installed load, and current unit condition are not established by the captured source.

System position diagram

Diagram showing SSN31-1FVAL between Compatible motor and Driven mechanical load. — System position of SSN31-1FVAL from the captured evidence.

View Mermaid source

flowchart LR
  upstream["Compatible motor"] --> item["SSN31-1FVAL"]
  item --> downstream["Driven mechanical load"]

View diagram labels

Nodes: Compatible motor; SSN31-1FVAL; Driven mechanical load
Edges: Documented upstream connection; Documented downstream function

Next action

Decision: The captured manual supports SSN31-1FVAL as a Lenze worm gearbox reference with a concrete torque-transmission role; verify the complete gearbox and motor configuration before replacement.

Next action: Match the exact gearbox reference, ratio, flange, lubricant, motor pairing, and load requirements against the cited Lenze instructions.

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