Arexx RA2-CH2 User guide

EDUCATIONAL ROBOT

ROBOT ARM CHASSIS

MOUNTING INSTRUCTIONS: Model RA2-CH2

© AREXX - THE NETHERLANDS V0513

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Table of Contents

1. Product description ROBOT ARM 5

2. Required tools 7

3. Part list 8

4. Mounting instructions 10

AREXX and ROBOT ARM are registered trademarks of AREXX Engineering - HOLLAND.

© English translation (March 2013): AREXX Engineering (NL).
This manual is protected by laws of Copyright. Any full or partial reproduction of the contents are forbidden with­out prior written authorization by the European importer. :

AREXX Engineering - Zwolle (NL).

Manufacturer and distributor cannot be held responible for any damage resulting from mishandling, mounting
mistakes or disrespect of the instructions contained in the manual.
Subject to changes without prior notice.

Technical mounting support:

WWW.AREXX.COM

Manufacturer:
AREXX Engineering
DAGU HI-TECH

European importer:
AREXX Engineering
ZWOLLE The Netherlands

© AREXX Holland and DAGU China
© English translation: AREXX - The Netherlands

WWW.ROBOTERNETZ.DE

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Impressum

©2007 AREXX Engineering

Nervistraat 16
8013 RS Zwolle
The Netherlands

Tel.: [phone]
Fax.: [phone]

E-Mail: [e-mail]

“Robot Arm PRO und -Hobby” are registered trademarks from AREXX Engineering.
All other trademark are the property of their owners. We are not responsible for the
contents of external web pages that are mentioned in this manual!

Information about limited warranty and responsibility

The warranty granted by AREXX Engineering is limited to the replacement or repair of the
Robot Arm and its accessories within the legal warranty period if the default has arisen from
production errors such as mechanical damage or missing or wrong assembly of electronic
components except for all components that are connected via plugs/sockets.
The warranty does not apply directly or indirectly to damages due to the use of the robot.
This excludes claims that fall under the legal prescription of product responsibility.

The warranty does not apply in case of irreversible changes (such as soldering of other
components, drilling of holes, etc.) of the Robot Arm or its accessories or if the Robot Arm
is damaged due to the disrespect of this manual!

The warranty is not applicable in case of disrespect of this manual! In addition, AREXX
Engineering is not responsible for damages of all kinds resulting from the disrespect of this
manual! Please adhere above all to the „Safety recommendations“ in the Robot Arm
manual.

Please note the relevant license agreements on the CD-ROM!

This manual is protected by the laws of Copyright. It is
forbidden to copy all or part of the contents without prior
written authorization!

Product specications and delivery contents are subject to
changes. The manual is subject to changes without prior

notice.

You can nd free updates of this manual on

http://www.arexx.com/

IMPORTANT

Prior to using this robot arm for the rst time, please read this manua thoroughly up to the

end! They explain the correct use and inform you about potential dangers! Moreover they
contain important information that might not be obvious for all users.

Important safety recommendation

This module is equipped with highly sensitive components. Electronic components are
very sensitive to static electricity discharge. Only touch the module by the edges and avoid
direct contact with the components on the circuit board. Please do never overload the servo’s

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Symbols

This manual provides the following symbols:

The “Attention!” Symbol is used to mark important details.
Neglecting these precautions may damage or destroy the ro
bot and/or additional components and additionally you may
risk your own health or the health of other persons!

The “Information” Symbol is used to mark useful tips and
tricks or background information. In this case the informa
tion is to be considered as “useful, but not necessary”.

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Safety recommendations

- Check the polarity of the batteries or power supply.

- Keep all products dry, when the product gets wet remove the batteries or power directly.

- Remove the batteries or power when you are not using the product for a longer period.

- Before taking the module into operation, always check it and its cables for damage.

- If you have reason to believe that the device can no longer be operated safely,
disconnect it immediately and make sure it is not unintentionally operated.

- Consult an expert if you are unsure as to the function, safety or connection of the module.

- Do not operate the module in rooms or under unfavourable conditions.

- Do not overload the servo’s

- This module is equipped with highly sensitive components. Electronic components are
very sensitive to static electricity discharge. Only touch the module by the edges and avoid
direct contact with the components on the circuit board.

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Normal use

This product was developed as an experimental platform for all persons which are interested
in robotics. Main goal is to learn how you can program the device in C-langue. This product
is not a toy; it is not suitable for children under 14 years of age!

This robot arm is also not an industrial robot arm, with industrial specications and

preformance!

It may only be used indoors. The product must not get damp or wet. Also be carful with
condence when you take it from a cold to an warm room give it time to adapt on the new
coditions before you use it.

Any use other than that described above can lead to damage to the product and may

involve additional risks such as short circuits, re, electrical shock etc.

Please read all the safety instructions of this manual.

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1. PRODUCT DESCRIPTION ROBOT ARM

The ROBOT ARM is an aordable robot for the hobbyist. It is ideally

suited to learn the basics of electronics, mechanics and program­ming.

Contents of the package:

- Complete Robot Arm construction set
(mechanics WITHOUT electronics)

- CD-ROM containing all manuals

1.2. Specications:

- 4 mini-servos DGServo 12g

- 2 maxi-servos DGServo S07NF STD

- Plastic arm and metal chassis

- Arm length: 260 mm

- Height: 320 mm

- Base diameter: 150 mm

- Lifting power 75 Gramms

Warnings

* The right of return does not apply after opening the plastic bags containing parts and components.
* Read the manual thoroughly prior to assembling the unit.
* Be careful when handling tools.
* Do not assemble the robot in presence of small children. They can get hurt with the tools
or swallow small components and parts.
* Check the correct polarity of the batteries.
* Make sure that batteries and holder remain always dry. If the ROBOT ARM gets wet, remove the
batteries and dry all parts as thoroughly as possible.

* Remove the batteries if the ROBOT ARM will not be used for more than one week.

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2. Required tools

Needle-nose
pliers

Sidecutter

Screwdriver set

Screwdriver

Selftapping screws (Parker)

Selftapping screws behave like wood screws i.e.
they cut a thread into the material in a rotating
motion that functions like a nut. To this end, this type
of screw has a larger thread and a sharper tip as a
normal screw.

Selftapping screws have a cutout at the top
that makes it easier to drill into the material.
The best way to fasten such a screw is:

If the screws are loosened and tightened too often, the hole enlargens gradually
and the screw doesn’t fit anymore properly.

1 Drive the screw into the material
2 Slightly loosen the screw
3 Tighten the screw again

Double open-end
wrench

IncludedIncluded

2

1

3

Locknut

Fastening a locknut

Locknut

Double open-end wrench:

The set includes a double open-end wrench. Use this
wrench for the M2 and M3 nuts.
You can use this wrench instead of pliers.

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Do not force the screws otherwise
the plastic may crack.

3. PART LIST

Servomotor

O 4 x Mini

DGServo 12g

O 2 x Maxi
DGServo S07NF STD

Disk with
axis

Servo disc

O 4x

Servolever

O 2x

Holder for
maxi-servo

CD

O 1x

Servo holder

-dual

O 1xO 1xO 4x

Spacer for Servo

Spacer
M3x6

O 4x

Cover for maxi­servo holder

O 1x

Spacer
M3x30

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O 4x

Cover for
servo holder

O 1xO 2x

Spiral

O 1x