STG-300 CNC Thread Grinding Machine

The STG-300 CNC Thread Grinding Machine is an advanced precision grinding system specially designed for manufacturing and regrinding taps, thread end mills, and threaded components. Equipped with intelligent automation features, a high-performance CNC control system, and self-developed operating software with an intuitive 3D graphical interface, the STG-300 delivers excellent accuracy, efficiency, and repeatability for thread tool production.

Featuring a unique universal clamping mechanism, automatic wheel management systems, and gantry-type loading automation, this machine provides a complete intelligent solution for modern thread grinding applications.

Key Features

• Self-developed CNC operating software with simple and intuitive 3D graphical interface

• Unique clamping mechanism for square shanks from Ø1–22 mm without changing clamps

• Online automatic grinding wheel balancing

• Online automatic grinding wheel dressing

• Gantry-type automatic loading and unloading system

• Automatic adjustment of grinding wheel runout angle

• Automatic measurement of:

  • Tap length

  • Graduations

  • Helix angle

• High-precision servo motor control

• Efficient automated thread grinding process

Technical Specifications

Processing Capabilities

The STG-300 is designed for precision processing of:

• Various taps

• Thread end mills

• Threaded parts

• Precision thread tools

Tap Grinding Process

The machine supports complete tap manufacturing processes, including:

1. Thread grinding

2. Guide cutting edge grinding

3. Outer circle clearance angle grinding

4. Chamfering

Clamping Capacity