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BonicBot A2AssemblyHardwareUpper Body Assembly

Upper Body Assembly

Step 1: Collecting All Required Parts

3D Printed Parts

  • Center Joint
  • Center Joint Cover x 2
  • Center Joint Servo x 2
  • Phone Mount Joint
  • Neck Cover
  • Upper Main Body
  • Upper Front Lower
  • Upper Rear Cover
  • Upper Back Lower

images of center joint, center joint cover left, center joint cover right, center joint servo left, center joint servo right, servo clamp

images of upper main body, upper front lower, upper rear cover, upper back lower, phone mount joint, neck cover


Electronic Parts:

  • Main PCB
  • Servo Motor x 3
  • Amplifier
  • Push Button
  • Splitter

images of electronic components

Mechanical Parts:-

  • Metal Bearing x 3

Step 2: Starting the Upper Body Assembly

Center Joint Assembly

image of center joint components

Items required:

  • Metal bearing x 3
  • Servo motors x 3
  • M3 nut and bolt x 18

Insert M3 nuts into all the holes shown below and glue them properly to stay in place.


Screw one servo on the Center Joint Servo piece of the center joint after plugging the servo cables as shown and insert it into the hand portion of the center joint image of servo fixing


Fix a metal bearing into the hand portion as shown and seal it using Center Joint Cover piece using 4 x M3 bolts of 10mm each

image of bearing and cover fixing

— Insert a servo motor on the head portion of Center Joint and fix a metal bearing on top. Make sure the bearings are seated properly.

image of head portion of center joint

The Center Joint is now assembled

image of center joint in different angles

Fix the Phone Mount Joint on the front aluminium.

image of center joint fixed front view

Now place the assembled Center Joint on the aluminium square pipes making sure it has been placed properly.

image of center joint fixed front view

Fix the neck cover onto the center joint by aligning it properly with the Center Joint.

image of center joint fixed front view

Now fix the upper body onto the center joint and tighten it using 2 × M3 bolts on each shoulder portions of the upper body

image of center joint fixed front view

Now Fix the Logo Mount as shown below

image of center joint fixed front view

The upper body is now assembled

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