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WEIHONG NK200 User Manual

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NK200 Integrated CNC System
Manufacturers Manual
14th Edition
Weihong Electronic Technology Co., Ltd.

Table of Contents

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WEIHONG NK200 Specifications

General IconGeneral
Resolution0.001mm
Feed rate override0-120%
Emergency stopYes
Storage Temperature-20-60°C
Cooling MethodNatural cooling
DisplayLCD
Input MethodUSB
Interpolation modeLinear
Positioning modeAbsolute, incremental
Communication portUSB
Operating Temperature0-45°C

Summary

Preface

About This manual

Provides an overview of the manual's structure and content.

Applicable Product Model

Lists the specific NK200 integrated system model this manual applies to.

Contact Us

Details company contact information for technical support and services.

Overview

System Configuration

Details the components that make up the NK200 integrated CNC system.

Introduction to Hardware

Provides an introduction to the hardware aspects of the NK200 system.

Product Specification

Presents specifications and a visual overview of the NK200 system.

Mounting Dimensions

Details the physical dimensions and cutout requirements for NK200 installation.

Connection Schematic Diagram

Illustrates the wiring and connection diagram for the NK200 system.

Wiring

Signal Types

Classifies signals used in the NK200 system into four main types.

Binary input signal

Explains binary input signals, including connection methods and power requirements.

Output Binary

Describes binary output signals, their technical parameters, and external circuit connections.

Relay output signal

Details relay output signal capabilities and connection examples.

Differential output signal

Explains differential signal transmission mode for driver motion control.

Analog output signal

Describes the analog output signal for controlling spindle speed via inverter.

Terminal Introduction

Introduces various terminal interfaces on the NK200 chassis.

Input Interface of +24V Power

Details the +24V power input interface and its pin definition.

Brake Interface

Describes the brake output and input interfaces and their pin definitions.

Driver Interface

Explains the driver interface, including pulse outputs and pin definitions.

Handwheel Interface

Details the handwheel interface and its pin definition specification.

Analog Interface

Describes the analog interface for analog output (0-10V).

USB Interface

Explains the USB interface for connecting external USB devices.

Port Specification of Terminal Board

Provides a detailed specification of input and output ports on the terminal board.

Operation

Debugging Steps

Outlines the sequential steps for debugging the NK200 system.

Adjustment of Port Polarity

Covers adjusting input/output port polarities and using manipulation buttons.

Ports Polarities

Explains the specification of port polarities and system interface indicators.

Manipulation Buttons

Describes the function of manipulation buttons used in the diagnosis section.

Adjustment of Axial Direction and Pulse Equivalent

Details how to adjust axial directions and pulse equivalents.

Axial Direction Adjustment

Explains how to confirm and set the positive direction of each axis.

Pulse Equivalent Adjustment

Describes how to calculate and set pulse equivalents for different motor systems.

Workbench Range Limit Settings

Covers setting upper and lower limits for the workbench range to protect the machine.

Returning to Machine Origin

Explains the process, principle, and interface for returning the machine to its origin.

Process of Returning to Machine Origin

Details the steps for returning to machine origin for X, Y, and Z axes.

Principle of Returning to Machine Origin

Illustrates the principle of returning to machine origin with servo motors.

Operation Interface of Backing to Machine Origin

Describes the interface and shortcut keys for backing to machine origin.

Parameters Specifications

Lists parameters related to safe operations and the backing process.

FAQ & Troubleshooting

Provides answers to frequently asked questions and troubleshooting for origin return.

Spindle Parameters Adjustment

Covers setting spindle speed and related parameters.

Spindle Speed Setting

Explains how to directly set spindle speed via the system interface.

Parameter Specification

Lists and explains parameters related to spindle speed and coolant control.

Adjustment of Velocity & Acceleration

Details how to adjust feedrate, traverse speed, and related parameters.

Feedrate Setting

Explains setting feedrate and its relation to feedrate override.

Traverse Speed Setting

Describes setting traverse speed for G00 commands.

Parameters Specification

Lists parameters for velocity, acceleration, and circular limits.

Tool Presetting

Explains the process of establishing workpiece coordinate system using tool sensors.

Software Interface

Shows the software interface for entering tool presetting.

Floating Presetting

Describes executing tool presetting with tool sensor thickness for Z-axis origin.

Measure Tool Length/ Set Tool Length

Details measuring tool length and saving it as tool offset.

First Presetting/ Second Presetting

Outlines the steps for performing first and second presetting operations.

Offset Setting

Covers setting workpiece coordinate systems (WCS) and extended coordinate systems.

WCS (Workpiece Coordinate System)

Explains selecting a point on the workpiece as the origin for WCS.

Extended Coordinate System

Details the NK200's support for extended coordinate systems G154-G173.

Software Interface

Shows the interface for viewing and editing workpiece offset and public offset.

Centering

Explains methods for manual centering using an edge finder.

Line Centering

Describes two-point centering for locating the midpoint of a line.

Circle Centering

Details three-point centering for calculating circular blank center coordinates.

Simulation and Track

Covers simulating processing and viewing the tool path in 3D.

Simulation

Explains how to simulate processing for previewing tool path and avoiding errors.

Track

Describes the motion trace screen for viewing the tool path in real-time.

Compensation

Details various compensation methods for improving machining accuracy.

Screw Error Compensation

Covers compensation for screw pitch error and backlash.

Causes of Screw Error and Compensation Method

Explains the causes of screw error and methods for pitch and backlash compensation.

Screw Error Compensation Operation

Describes the operation of screw error compensation using a file.

Software Interface and Operation

Details the software interface and buttons for screw error compensation.

Tool Compensation

Explains tool diameter and length compensation for machining accuracy.

Tool radius compensation(G40~G42)

Details tool radius compensation codes and their function.

Tool compensation types

Describes three types of tool compensation establishment: Normal, Intersect, Insert.

Direction of tool compensation

Illustrates the schematic diagrams for left and right tool compensation.

Across Quadrant Error (AQE) Compensation

Addresses compensation for distortion occurring during circular machining quadrants.

Log

Explains how to view and export system log information.

Program File Management

Covers managing processing files, including wizards, array processing, and file operations.

Program Wizard

Introduces five basic processing program wizards for creating machining programs.

Array Processing

Details the system's support for array processing on the same program.

Program File

Describes the interface and operations for loading, unloading, and editing program files.

Handwheel Operation

Explains how to operate the machine tool using the handwheel.

Handwheel Mode

Details the available operation modes including manual mode with handwheel.

Handwheel Guide

Describes the handwheel guide function for manual control of automatic execution speed.

System Management

Covers managing system information, registration, language, and updates.

System Info

Displays system information such as software version and hardware details.

Register

Explains the process of registering the system and managing service time.

Language

Details how to switch between supported system languages.

System Update

Provides steps for updating the system software.

Configuration Option

Explains how to switch between standard and turntable configurations.

Auxiliary Function

Covers various auxiliary functions like jiggle, breakpoint resume, and parameter backup.

Jiggle

Explains the jiggle function for fine-tuning axes during machining or pause.

Breakpoint Resume

Describes resuming processing from the last stop point after power failure.

Advanced Start

Covers the advanced start function for realizing block skip.

Parameter Backup

Details the parameter backup and restore functions.

User Instruction

Explains how to input G-code for testing system functions and parameters.

Coordinate Backup

Covers saving and restoring workpiece coordinate systems.

Tool Magazine

Explains automatic tool change processes for linear and circular tool magazines.

Automatic Tool Change of Linear Tool Magazine

Details the process of automatic tool change for a linear tool magazine.

Automatic Tool Change of Circular Tool Magazine

Describes the process of automatic tool change for a circular tool magazine.

Tool Change Parameters

Lists parameters related to tool change operations and magazine configuration.

Maintenance

Operating System Maintenance

Covers software upgrade, mirror upgrade, and system eboot procedures.

Software Upgrade

Provides steps for updating the system software via USB.

Mirror Upgrade

Explains the procedure for mirror update when the system is damaged or unbootable.

System Eboot

Details entering the system Eboot interface for various update options.

Software Upgrade Interface

Introduces the interface for software upgrade and its functions.

Alarm Information

Lists common warning and error messages with their causes and solutions.

Common Troubleshooting

Provides solutions for common issues like spindle not rotating or axes not moving.

Spindle Not Rotating

Troubleshooting steps for issues where the spindle does not rotate.

Axis Not Moving

Troubleshooting steps for issues where an axis does not move.

Z Brake Motor Issue

Troubleshooting steps for servo motor Z brake not opening.

Abnormal Machine Origin Return

Addresses issues related to abnormal machine origin return.

Tool Presetter Motion Issue

Troubleshooting for machine tool motion upward after arriving at the tool presetter.

Driver

Various Servo Driver Parameters

Lists and details parameters for various servo drivers.

Wiring Diagrams

Provides wiring diagrams for connecting stepping and various servo drivers to the NK200.

Parameter Overview

Operation Parameters

Covers general operation, motion control, spindle settings, compensation, and related parameters.

File Translation Parameters

Details DXF and ENG file translation parameters for machining operations.

Origin Parameters

Covers machine origin return, speeds, retract distances, and screw pitch parameters.

Tool Magazine Parameters

Details tool magazine capacity, tool change parameters, speeds, and positions.

Software License Agreement

Important—Read Carefully before Using This Product

Important terms and conditions for using the software product.

Description of Further Rights and Restrictions

Outlines user rights regarding installation, copying, and transfer of the software.

Intellectual Property Rights Notice

States Weihong Company's ownership of intellectual property rights for the software.

After-sales Guarantee

Details the company's 90-day guarantee for software carrier defects.

Limitation of Liability

Limits the company's liability regarding potential losses from software use.

Termination

Specifies conditions under which the license agreement may be terminated.

Applicable Law

Lists the governing laws and regulations for the agreement.

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