Huazhong CNC Century Star Milling Machine CNC System Programming Manual

About this manual

The document provides a complete guide to CNC system programming for the Huazhong Century Star series of milling machines. It covers basic programming knowledge, the instruction set, macro programming, and many practical examples, serving both as a product manual and a training resource.

The manual is organized into sections such as an introductory Preface, an overview of CNC programming, detailed program structure, instruction system for the HNC‑21M series, macro programming techniques, and example programs. Each chapter includes command syntax, usage notes, and illustrative diagrams to help users write and debug CNC programs. This manual is written in Chinese.

What's inside

• Preface
• Overview of CNC Programming
• Program Structure
• Instruction System for HNC-21M Series
• Macro Programming
• Coordinate System Commands
• Tool Compensation Commands
• Example Programs

Specifications

Frequently asked questions

Which CNC machine models does this programming manual cover?

It covers the Huazhong Century Star series: HNC‑21M/22M, HNC‑18iM/19iM, HNC‑18xp/M, and HNC‑19xp/M.

How can I set the workpiece coordinate system in a program?

Use the G92 command to define the workpiece origin, and select a workpiece coordinate system with G54‑G59.

What command is used for tool radius compensation?

Tool radius compensation is performed with G40 (cancel), G41 (left compensation), and G42 (right compensation).