QKM AH20 Manual de usuario

Maintenance Manual

AH20 Robot

AH20-0850-0204-2000

AH20-0850-0204-4000

AH20-1050-0204-2000

AH20-1050-0204-4000

Document version

V1.0.1

Issued on

September 21, 2022

QKM Technology (Dongguan) Co., Ltd.

Preface

Document Version V1.0.1 (09-21-2022) I

Preface

Thank you for purchasing the robot produced by QKM!

This manual describes the instructions to maintain the robot.

Refer to the contents of this manual for maintenance.

Please keep this manual properly for future reference.

Overview

This manual provides detailed information on the routine maintenance and safety

inspection of AH20 Robot, as well as the maintenance of mechanical and electrical

components, so that users can better use AH20 Robot; this manual can serve as a

reference for system integrators to design user workstation systems by using our AH20

Robot, and can also be used to guide system installation, commissioning and

maintenance.

Target readers

This manual is for the reference of:

Electrical Engineer

Maintenance Engineer

Mechanical Engineer

Technical Support Engineer

Signs

The signs in this document clearly indicate any dangers, warnings, attentions and

notes that may occur while users perform the operations described in this manual;

AH20 Robot Maintenance Manual

II Document Version V1.0.1 (09-21-2022)

be sure to pay attention to the following signs when they appear in this document.

The signs in this manual are described in the table below:

Signs

Description

It indicates that a dangerous situation would occur and

cause serious personal injury or death if it is not avoided.

It indicates that a potentially dangerous situation would

occur and cause personal injury or robot damage if it is

not avoided.

It indicates that an unpredictable situation would occur

and cause robot damage, performance degradation, data

loss, etc. if it is not avoided.

It gives the description on key information and operation

tips.

Preface

Document Version V1.0.1 (09-21-2022) III

QKM Technology (Dongguan) Co., Ltd. (hereinafter referred to as QKM) owns the

patents, copyrights and other intellectual property rights of this product and its

software. Without the written authorization of QKM, any unit or individual shall not

extract or copy the contents of this document; and shall not directly or indirectly

reproduce, manufacture, process and use this product and related parts.

Caution

The contents of this document are subject to change any time due to product upgrade

or other reasons. QKM reserves the right to change the contents of maintenance and

operation in this manual without prior notice. For the recent information on this

product, please download the latest manual from our official website.

Trademark statement

is the trademark of QKM, and QKM possesses the ownership of the

trademark.

Disclaimer

Users need to be careful to maintain and operate the robot in a safe environment.

QKM assumes no obligation and responsibility for incidental or consequential losses

arisen therefrom.

AH20 Robot Maintenance Manual

IV Document Version V1.0.1 (09-21-2022)

QKM does not assume any direct, indirect, special or incidental loss or liability due to

improper use of this product.

QKM Technology (Dongguan) Co., Ltd. (Headquarters)

Tower A, Building 17, Headquarters 1, No. 4 Xinzhu Road, Songshan Lake High-tech

Industrial Development Zone, Dongguan City

Tel.: +86 0769-27231381

Fax: +86 0769-27231381-8053

Post code: 523808

Email: service@qkmtech.com

Website: www.qkmtech.com

Version History

Document Version V1.0.1 (09-21-2022) V

Version History

The version history contains the accumulated information on each update of the

document, and the latest version of the document includes the updates in all previous

versions of the document.

Version

Time

Change Content

V1.0.0

June 10, 2022

The first version of the document was

released.

V1.0.1

September 21, 2022

The description of encoder battery

maintenance in Section 5.2 was modified.

AH20 Robot Maintenance Manual 
VI Document Version V1.0.1 (09-21-2022) 
Table of Contents 
Preface................................................................................................................................... I
Version History..................................................................................................................... V
List of Figures....................................................................................................................... X
List of Tables ...................................................................................................................... XII 
Chapter 1 Safety Precautions .......................................................................................... 1
1.1 Precautions for operation....................................................................................... 1
1.2 Precautions for electrical safety............................................................................. 2
1.3 Warning sign ............................................................................................................ 3
Chapter 2 Safety Maintenance......................................................................................... 5
2.1 Use of robot in accordance with regulations......................................................... 5
2.2 Safe area................................................................................................................... 5
2.3 E-stop device............................................................................................................ 6
2.4 Precautions for general safety................................................................................ 7
Chapter 3 Routine maintenance and safety inspection ................................................ 9
3.1 Routine inspection .................................................................................................. 9

Table  of  Contents 
Document Version V1.0.1 (09-21-2022)                VII 
2 Regular inspection................................................................................................. 10 
3 Cleaning and maintenance................................................................................... 10 
4 Safety inspection................................................................................................... 11 
5 Handling of common exceptions ......................................................................... 12 
Chapter 4 Maintenance of Mechanical Components................................................... 14 
1 Lubrication of spline screw shaft ......................................................................... 14 
1.1 Standard type................................................................................................. 14 
1.2 Protective type ............................................................................................... 19 
2 Removal and installation of protective cover...................................................... 19 
2.1 Removal of protective cover.......................................................................... 20 
2.2 Installation of protective cover ..................................................................... 26 
3 Cover ...................................................................................................................... 33 
3.1 Robot cover..................................................................................................... 33 
3.2 Base side door................................................................................................ 35 
3.3 Connector panel............................................................................................. 37 
4 Timing belt tension measurement....................................................................... 39 
4.1 Measuring instrument.................................................................................... 39 
4.2 Parameter setting........................................................................................... 41 

AH20 Robot Maintenance Manual 
VIII Document Version V1.0.1 (09-21-2022) 
4.3 Measuring steps and display......................................................................... 41 
4.4 Measuring results........................................................................................... 44 
4.5 Precautions..................................................................................................... 45 
Chapter 5 Maintenance of Electrical Components ...................................................... 47 
1 Replacement and maintenance of 1-axis motor fan........................................... 48 
1.1 Replacement of 1-axis motor fan.................................................................. 48 
1.2 Maintenance of 1-axis motor fan .................................................................. 51 
2 Replacement and maintenance of encoder battery........................................... 53 
3 Replacement and maintenance of controller assembly .................................... 56 
4 Replacement and maintenance of IO-free-distribution PCBA........................... 58 
5 Replacement and maintenance of surge suppressor......................................... 61 
6 Replacement and maintenance of filter .............................................................. 64 
7 Replacement and maintenance of QBUS module .............................................. 67 
8 Replacement and maintenance of QBUS fuse .................................................... 70 
9 Replacement and maintenance of 24 V switching power supply...................... 72 
10 Replacement and maintenance of 24 V switching power module cooling 
fan ........................................................................................................................................ 74 