Siemens 1PH1103 Spindle Motor

Feature & Principle

It is Siemens SIMOTICS M series 1PH1 machine tool spindle motor, matched with SINAMICS V70 spindle drive and SINUMERIK numerical control system. It adopts forced air cooling structure, supports wide speed regulation range, constant power characteristic in high speed section. It can be equipped with incremental or absolute encoder, realizes high-precision spindle positioning, rigid tapping and high-speed cutting. It features low vibration and stable torque output, suitable for lathe, milling machine and other CNC equipment.

Specifications

Model: 1PH1103 Brand: Siemens Series: SIMOTICS M Rated power: 3.7 kW Voltage: 3AC 380V Shaft height: 100 mm Cooling mode: Forced ventilation Protection class: IP54 Matching drive: SINAMICS V70 Application: CNC lathe, milling machine, machining center spindle Certification: CE, UL

Components & Diagnostics

Stator and rotor assembly, cooling fan, encoder unit, power and signal connector, bearing assembly. Common faults: bearing noise, fan damage, encoder signal loss, motor overheating, insulation aging.

Product Brief

1PH1103 spindle motor, Siemens SIMOTICS M CNC spindle spare widely used for machine tool spindle overhaul and replacement.