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Robotic Arm 6 DOF Assembly Guide
Overview
:
6 DOF Robotic Arm from Robokits is a robotic arm with 4 degrees of freedom joints and a
Gripper. Its actuated using 6 Standard size servos out of which 4 are normal Nylon gears
standard and 2 are Metal Gear High Torque servo motors.
This robotic arm is controlled by USB (optional wireless Bluetooth) Servo Controller. It and be
controlled by PC or other microcontrollers.
The power requirement for this robotic arm is 5 to 6V DC 10 Amp power supply. It could be
either battery or a AC power supply rated at 5-6VDC. You can also use a modified computer
SMPS supply, it is available for sale on Robokits website and you can also modify it yourself if
you have one. There are many tutorials available for these modifications on internet.
Before starting the assembly we recommend to read the documentation of Servo Controller so
that it will be easy to understand all electric connections and controls. If you have this
document on CD then it should be in the same folder as this document otherwise you can
download it from here:
http://www.robokits.co.in/documentation/USB%2016%20Servo%20Controller.pdf
After assembling the robotic arm you will be able to control it from a Windows PC. However if
you want to control it with a microcontroller you can directly generate C code for it from servo
controller software. This generated code is directly programmable to our Rhino Robot Control
Board or Arduino, if you want to use other microcontroller or compiler it could be translated
easily if you are good at C language and embedded programming.
Let’s start with the basic assembly of robotic Arm. Some basic tools like screw drivers,
pliers, small spanners, soldering iron, wire cutter, nipper, stripper are required to complete the
assembly.
The notations used in this document for screws, nuts & bolts are like these.
1. 3x6 mm cap screw – 3mm small screw
2. 3x8 mm cap screw – 3 mm mid screw
3. 3x10 mm cap screw – 3 mm big screw
4. 3x8 mm CSK head screw – CSK screw
5. 3 mm Nylock Nut – Lock nut
6. 3 mm nut – nut
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