Sixi 2 robot arm

7. Pre-Anchor Assembly

By Dan Royer

7. Pre-Anchor Assembly

Step 1 Tools and Parts Required for this Chapter

  • Assembled 4,5 & 6 Axis {a.k.a Forearm}

  • Assembled Elbow Gearbox

  • Assembled Shoulder Gearbox

  • Cable Management parts

  • Alan Keys

  • Socket Head Driver

Step 2 Elbow to Forearm - Parts

  • Note:

    Prepare the following components:

  • Assembled Forearm & Elbow Gearbox

  • [3D] - 3GB Elbow GB Top Cap

  • [3D] - 3GB Elbow Magnet Holder Bottom

  • 8x2.5mm Neodymium Magnet

  • M3x8mm Screws (x2)

  • M3x45mm Screws (x7)

  • M3 Nylock Nuts (x9)

Step 3 Elbow to Forearm - Elbow Clamp

  • Loosely secure the Elbow Gearbox {half} to Forearm using M3x8mm Screw

  • Repeat the same for the Elbow Gearbox Clamp on the other side using M3x8mm Screw

  • Tightly secure both Elbow Gearbox pieces using M3x45mm Screws and M3 Nylock Nuts

Step 4 Elbow to Forearm - Elbow Magnet Holder

  • Insert M3 Nylock Nuts and Neodymium Magnet into the Elbow Magnet Holder Bottom

  • Insert the Elbow Magnet Holder to the 6701 Bearing on the Elbow Sensor Adapter

Step 5 Forearm Cable Management - Parts

  • Note:

    Prepare the following additional components:

  • [3D] - 3GB Elbow Magnet Holder Top

  • Braided Cable Sleeve [950mm]

  • 3-pin Servo Extension Cable M/F - [1000mm] (x2) {already connected to each other}

  • 6-pin Ribbon Cable F/O - Brown to Blue {sensor 2 Elbow} - [890mm]

  • Velcro Wrap [150mm] (x2)

  • M3x8mm Screws (x6)

  • [Opt.] - Twist Tie [100mm] (x3)

Step 6 Forearm Cable Management - 1

  • Secure the Servo Extension Cable to the Wrist & Hand Sensor Cables using the Twist Ties

  • Make a curve with the cables so that the ++peak of the curve is about thumb length away from the Fork face

  • Maintain this curve/bend using the first Velcro

  • Run the cables along the Forearm Link tightly all the way to the Elbow

  • Loop Servo Extension Cables 5 times around the Forearm by Elbow Clamp

  • Secure this loop using the other Velcro

Step 7 Forearm Cable Management - 2

  • Insert all the Cables on the Forearm to the Braided Cable Sleeve at the top of the Elbow Sensor Holder

  • Insert all the Elbow Tail Motor Cables and Ulna Sensor Cables to the Braided Cable Sleeve as well.

  • Hide the messy part of the Cable Sleeve with Elbow Magnet Holder Top using M3x8mm Screws

Step 8 Forearm Cable Management - 3

  • Connect Elbow Sensor Cable to the Sensor as shown in the picture

  • Insert the Elbow Sensor Cable in the Braided Cable Sleeve

  • Insert the Elbow Motor Cable into the Braided Cable Sleeve as well

Step 9 Bicep Linkage - Parts

  • Note:

    Prepare the following components:

  • [3D] - 3GB Elbow GB Bottom Caps

  • [3D] - 2GB Shoulder GB Top Caps

  • Aluminium Pipe [1.375'x260.25mm]

  • M3x8mm Screws (x4)

  • M3x45mm Screws (x8)

  • M3 Nylock Nuts (x8)

  • Single U-Cut end is the Shoulder Gearbox End

Step 10 Bicep Linkage - Elbow Gearbox

  • Insert the Cable Sleeve through the Pipe

  • Insert the Pipe into the Elbow Gearbox Bottom

  • Warning:

    The Bottom Single U-cut is facing the Elbow Tail {Forearm Motors}

  • Align the Elbow Bottom Caps as shown in the picture

  • Secure the alignment with M3x8mm Screws

  • Tighten the Pipe using the M3x45mm Screws and M3 Nylock Nuts

Step 11 Bicep Linkage - Shoulder Gearbox

  • Insert the Pipe into the Shoulder Gearbox and pull the Braided Cable Sleeve out

  • Align the Shoulder Top Cap as shown in the picutre

  • Align the Cap using M3x8mm Screws on both side

  • Tighten the Pipe using the M3x45mm Screws and M3 Nylock Nuts

Step 12 Finish!

  • Congratulation!!! You are so close, Get the Anchor and we will be ready to test!!