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11kW-37kW Spindle Servo Driver for CNC Lathe and Milling Machine

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Product Description

Product Overview

This page focuses on the 11kW-37kW Spindle Servo Driver for CNC Lathe and Milling Machine range in the SZGH S4T series. These models are selected for applications where the spindle power, braking design and wiring specification must match the machine load accurately.

Key Features

  • Wide power coverage for CNC spindle motor applications

  • Stable speed control for turning, milling, drilling and grinding

  • Strong torque response for cutting load changes

  • Recommended brake resistor data for safe deceleration design

  • Clear model selection based on motor power and rated current

  • Suitable for OEM machine builders, CNC retrofit teams and maintenance replacement

CNC spindle servo driver model selection table

Technical Specification Table

Model

Motor Power

Rated Current

Output Capacity

Brake Resistor

Cable

SZGH-S4T011

11kW

25A

17kVA

1.5kW / 26Ω

6mm²

SZGH-S4T015

15kW

32A

20kVA

1.5kW / 26Ω

10mm²

SZGH-S4T018

18kW

39A

26kVA

2kW / 40Ω × 2

10mm²

SZGH-S4T022

22kW

45A

30kVA

2kW / 40Ω × 2

16mm²

SZGH-S4T030

30kW

60A

40kVA

2.5kW / 40Ω × 3

25mm²

SZGH-S4T037

37kW

75A

50kVA

2.5kW / 40Ω × 3

25mm²

Typical Applications

  • CNC lathe main spindle

  • CNC milling machine

  • Machining center

  • Batch production equipment

  • Medium-load cutting applications

How to Choose the Correct Model

  1. Match the driver power with the spindle motor rated power.

  2. Check that the driver rated output current is suitable for the motor rated current.

  3. Confirm the braking requirement based on spindle inertia and deceleration time.

  4. Select cable diameter according to the recommended specification and installation distance.

  5. Confirm controller command, encoder feedback and machine working condition before order.

View the complete S4T Series Spindle Servo Driver 1.5kW-132kW model list.

SZGH S4T spindle servo driver for CNC machine tool

FAQ

What information is needed for model selection?

Please provide spindle motor power, rated voltage, rated current, rated speed, encoder feedback type, machine type and braking requirement.

Can SZGH help with wiring and parameter setting?

Yes. SZGH can provide wiring guidance, parameter setting suggestions and commissioning support for CNC spindle applications.

Is a brake resistor required?

A brake resistor is recommended for fast deceleration, frequent start-stop cycles or high-inertia spindle systems. Please select the resistor according to the model table and actual load.

Can this spindle servo driver be used for CNC retrofit projects?

Yes. The S4T series is suitable for new CNC machines and retrofit projects where stable spindle speed and stronger torque response are required.

Request a Quote

Send us your spindle motor nameplate, machine type and braking requirement. SZGH engineers will recommend the suitable S4T spindle servo driver model.

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PRODUCT CATEGORY

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