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Welcome Assembly Sneak Peak for the ORCA Hand

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We are working hard to provide you with a detailed assembly guide for the rest of the hand. We wanted to show you a sneak peak of the finger assembly nevertheless:

Finger Assembly​

Step 1: Prepare the Proximal Phalange

Step 1a: Attach the base
a: Insert the pins into the holes of the Proximal Phalange
Step 1b: Secure the screws
b: Make sure they are fully inserted

Step 2: Tendon Preparation

Step 2a: Add the joint
a: Cut the tendon and tie two eight knots

Step 3: PIP Tendon Attachment

Step 3a:
a: Insert one end of the tendon into the hole
Step 3b: Secure the screws
b: Make sure it exits the hole on the upper side
Step 3c: Add the second segment
c: Form a loop
Step 3d: Tighten the screws
d: Insert the other side of the tendon into the hole and pull both sides of the tendon and make sure the knots sit tightly
Step 3e: Add the third segment
e: Push excess tendon into the opening with a screwdriver
Step 3f: Secure the screws
f: Secure the extensor tendon
Step 3g: Finalize the assembly
g: Ensure the tendons sits tightly

Step 4: MCP Tendon Attachment

Step 4a: Align the finger
a: Insert one end of the tendon into the hole
Step 4b: Check the screws
b: Make sure it exits the hole on the upper side
Step 4c: Test the movement
c: Form a loop
Step 4d: Adjust the alignment
d: Insert the other side of the tendon into the hole and pull both sides of the tendon and make sure the knots sit tightly
Step 4e: Secure the adjustments
e: Push excess tendon into the opening with a screwdriver
Step 4f: Final check
f: Secure the extensor tendon
Step 4g: Complete the adjustment
g: Ensure the tendons sits tightly

Step 5: Assemble the PIP Joint

Step 5a: Initial test
a: Attach the bearings to the MP shafts
Step 5b: Check for issues
b: Press the MP on the PP opening
Step 5c: Adjust as needed
c: Pop the joint and make sure that no tendon is clamped in between
Step 5d: Retest the finger
d: Move the MCP tendon through the skin and slide it over the PLA.
Step 5e: Finalize testing
e: Make sure it sits at the correct position

Step 6: Route PIP Tendons through the PP

Step 6a: Attach the cover
a: Insert the extensor through the upper hole until it exits
Step 6b: Secure the cover
b: Repeat for the flexor tendon
Step 6c: Final check
c: Make sure the flexor and the extensor tendon don't cross and the flexor tendon exits on the left side

Next Steps​

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Stay tuned for the full assembly guide!