Huazhong CNC HNC-21/22M CNC Milling Machine Programming Manual

About this manual

The document introduces the fundamentals of CNC programming for the HNC-21/22M milling system, covering the instruction hierarchy, G‑ and M‑codes, coordinate system setup, and macro programming techniques. It also includes several practical milling program examples.

Readers are guided through setting workpiece coordinate systems, selecting units, and using macro variables, with detailed explanations of each command and its application in real machining tasks. This manual is written in Chinese.

What's inside

• Overview
• Program Structure
• Programming Instruction System
• Macro Programming
• Milling Programming Example 1
• Milling Programming Example 2
• Milling Programming Example 3

Specifications

Frequently asked questions

What does this programming manual cover?

It details basic CNC programming knowledge, the instruction system, macro programming methods, and provides many typical programming examples.

How many control axes can the HNC-21/22M system handle?

The system has 3 control axes, with a maximum of 4 axes that can be controlled simultaneously.

Which G‑code is used for rapid positioning?

G00 is the rapid positioning command.