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1PH4163-4NF26-Z industrial motor

1PH4163-4NF26-Z is documented as an exact industrial component with a concrete system role; installation-specific limits remain explicit.

System function

Rebuilt from individual evidence

Evidence-backed specifications

The sources identify 1PH4163-4NF26-Z as a Siemens 1PH4 AC induction main-spindle motor.

The exact listing reports frame 163, incremental sin/cos 2048 S/R feedback without C and D tracks, 1500 rpm, and IM B35/IM V15/IM V36; the Siemens manual documents the base motor's 37 kW, 1500 rpm, 235 Nm, 107 A rating and continuous cooling requirement.

This system placement is an inference from the captured exact-reference evidence.

Exact reference
1PH4163-4NF26-Z
Category
Motors / Servo
Evidence checked
2026-09-11

System role

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

Function
Converts controlled converter output into high-torque rotary motion for a machine main spindle.
System position
Sits between the spindle converter and the machine tool's main spindle.
Upstream / inputs
Receives controlled electrical power and encoder feedback from the spindle converter.
Downstream / outputs
Transmits rotary torque to the main spindle; continuous cooling is documented for the motor family.
Limitations
Unknown: the exact -Z option set, installed converter, cooling hardware, spindle load, and replacement compatibility.

Evidence ledger

Facts, inferences, and unknowns are kept separate.

Facts

  • The sources identify 1PH4163-4NF26-Z as a Siemens 1PH4 AC induction main-spindle motor.

    Confidence: high

  • The exact listing reports frame 163, incremental sin/cos 2048 S/R feedback without C and D tracks, 1500 rpm, and IM B35/IM V15/IM V36; the Siemens manual documents the base motor's 37 kW, 1500 rpm, 235 Nm, 107 A rating and continuous cooling requirement.

    Confidence: high

Inferences

  • Converts controlled converter output into high-torque rotary motion for a machine main spindle.

    Confidence: medium

    Rationale: The exact-reference sources identify the component and its documented technical characteristics; this concrete system function is an explicit system-level inference.

  • Sits between the spindle converter and the machine tool's main spindle.

    Confidence: medium

    Rationale: The exact-reference identity and technical data support this placement in a controlled industrial signal or power chain; the placement is labeled as an inference.

Unknowns

  • Unknown: Unknown: the exact -Z option set, installed converter, cooling hardware, spindle load, and replacement compatibility.

    Confidence: low

    Missing evidence: The individual exact-reference research did not capture a complete installed-system configuration or current unit record.

System position diagram

A controlled upstream source feeds 1PH4163-4NF26-Z, which provides the documented output to a downstream machine load or input.

Reading limit: system position only, not a wiring or safety drawing.

The 1PH4163-4NF26-Z system position is shown from the documented role; the chain is an explicit inference.

Enlarged system diagram

A controlled upstream source feeds 1PH4163-4NF26-Z, which provides the documented output to a downstream machine load or input.

The 1PH4163-4NF26-Z system position is shown from the documented role; the chain is an explicit inference.

View Mermaid source
flowchart LR\n  upstream["Upstream supply or controller"] --> item["1PH4163-4NF26-Z"]\n  item --> downstream["Downstream machine load or input"]
View diagram labels
Nodes
Upstream supply or controller; 1PH4163-4NF26-Z; Downstream machine load or input
Edges
Controlled input; System output

Next action

The captured evidence supports a concrete system role for 1PH4163-4NF26-Z; the chain position is explicitly inferred.

Verify the complete article number, receiving drive or supply, mechanical interface, and installation limits before replacement or commissioning.

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