RobotShop M100RAK V3 - Assembly Guide RobotShop M100RAK V3 Modular Robotic Arm Kit Mechanical Assembly - June 2017 This guide is only available in English 1 - Servo Assembly 1.1 - Servo Assembly A 1.2 - Servo Assembly B 2 - Power Gearbox Assembly 2.1 - Gearbox Assembly (Shoulder & Elbow) 2.2 - Gearbox Assembly (Base) 2.3 - Gearbox Assembly (Wrist) 3 - Arm Assembly 3.1 - Arm Assembly (Step 1) 3.1 - Arm Assembly Step 2 3.
RobotShop M100RAK V3 - Assembly Guide 1 - Servo Assembly 1.1 - Servo Assembly A ● ● ● 3x - Hitec HS-785HB Servos (horn can be left in place or removed) 3x - Aluminum channel servo box 12x - 6-32 x ⅜ ” (0.375” long) socket head screws Insert the HS-785HB servo from the underside of the aluminum box and secure with the screws also from the inside. Same as before, do not tighten it all the way to let the servo move for gear mesh adjustment. Produce 3 identical sub-assemblies RobotShop P.
RobotShop M100RAK V3 - Assembly Guide 1.2 - Servo Assembly B ● ● ● 1x - HS-785HB Servo (horn can be left in place or removed) 1x - Aluminum raised servo Box 4x - 6-32 x ⅜” (0.375”) socket head screws The servo will be inserted from underneath and needs to be secured by four 6-62 x ⅜” screws. Do not tighten the screws all the way to allow you adjust the gear meshing later on. RobotShop P.
RobotShop M100RAK V3 - Assembly Guide 2 - Power Gearbox Assembly 2.1 - Gearbox Assembly (Shoulder & Elbow) ● ● ● ● ● ● ● ● ● ● 2x - Servo Assembly A 2x - 0.4997” Precision Ground 303 Stainless Steel Shaft - P/N 634228 4x - 0.500” Clamping Hub - P/N 545600 4x - 90deg Tube Clamping Hub - P/N 545368 2x - Aluminum Hub Spacer (⅜ thick) - P/N 545380 8x - ½” Bore Shafting and Tubing Spacers - P/N 633110 2x - 32 Pitch 80 Tooth 0.
RobotShop M100RAK V3 - Assembly Guide 2.2 - Gearbox Assembly (Base) ● ● ● ● ● ● 1x - Servo Assembly B 1x - ⅜ inch Bore Clamping Hub - P/N 545596 1x - 16T 32 Pitch Metal Servo Gear (24 Tooth Spline) - P/N 615278 1x - 32 Pitch 80 Tooth 0.50” Bore Aluminum Hub Gear - P/N 615206 1x - Aluminum Hub Spacer (⅜ thick) - P/N 545380 4x - 6-32 x ¼” (0.250”) socket head screws Assemble the ⅜” clamp to the 80 tooth gear, paying attention to the side it is mounted to.
RobotShop M100RAK V3 - Assembly Guide 2.3 - Gearbox Assembly (Wrist) ● ● ● ● ● ● ● 1x - Servo Assembly A 1x - 0.4997” Precision Ground 303 Stainless Steel Shaft - P/N 634228 2x - 0.500” Clamping Hub - P/N 545600 1x - ½” Bore Shafting and Tubing Spacers - P/N 633110 1x - 32 Pitch 80 Tooth 0.50” Bore Aluminum Hub Gear - P/N 615206 1x - 16T 32 Pitch Metal Servo Gear (24 Tooth Spline) - P/N 615278 4x - 6-32 x ⅝ ” (0.625”) socket head screws RobotShop P.
RobotShop M100RAK V3 - Assembly Guide 3 - Arm Assembly 3.1 - Arm Assembly (Step 1) ● ● ● ● 1x - Gearbox Assembly (Base) 1x - Gearbox Assembly (Shoulder) 1x - Aluminum Hub Spacer (⅜ thick) - P/N 545380 4x - 6-32 x ⅝ ” (0.625”) socket head screws This step is a little tricky as you will need to work in a tight space. You have to assemble the two gearbox assemblies forming the arm base.
RobotShop M100RAK V3 - Assembly Guide 3.1 - Arm Assembly Step 2 ● ● ● 1x - Arm Assembly (Step 1) 1x Gearbox Assembly (Elbow) 2x - ⅝” Hollow Aluminum Tubing P/N 635268 or 635270 ○ Either the 6” or 8” tube can be used as both are provided Secure the tubes in place using the side screws RobotShop P.
RobotShop M100RAK V3 - Assembly Guide 3.2 - Arm Assembly Step 3 ● ● ● ● ● ● ● 1x - Arm Assembly (Step 2) 1x - Gearbox Assembly (Wrist) 2x - 90 Degree Quad Hub Mount F - P/N 545448 2x - ⅝” Bore Tube Clamp Hub - P/N 545344 8x - 6-32 x ¼” (0.240”) socket head screws 8x - 6-32 x ⅜” (0.375”) socket head screws 1x - ⅝” Hollow Aluminum Tubing - P/N 635264 or 635266 ○ Either the 2” or 4” long version, both are provided Assemble the clamp hubs to the 90 degree quad hubs.
RobotShop M100RAK V3 - Assembly Guide Insert either the 2” or 4” aluminum tube into both ends and secure them using the clamp’s side screws. Make sure you align the two gearboxes to make them parallel to one another. RobotShop P.
RobotShop M100RAK V3 - Assembly Guide 4 - Notes ● ● ● ● ● ● Add the servo extension cables, ensuring the connectors are yellow to yellow, red to red and black to black. Should the servos not be centered, you can loosen the clamp collars and adjust the sub-assemblies, or remove and adjust the horn gears Replace the servo horn screws An RC servo controller is needed to drive the servos. There are many available on RobotShop.com A 4.
RobotShop M100RAK V3 - Assembly Guide 6 - What’s included Quantity SKU 1 BM-700-5 3 5.0-700-.
