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Summary of Contents for AndyMark AM14U6
- Page 1 User Guide AM14U6 Chassis Base Kit for the FIRST® Robotics Competition K25 Version – January 2025...
- Page 2 AndyMark – Your Robot Parts Experts AndyMark, Inc. was founded in 2004 by Andy Baker and Mark Koors to design and sell unique mechanical parts for competition and educational robotics. Through their volunteer work at FIRST® Robotics Competition events they identified a niche market and began designing and selling robotics components for FIRST ®...
- Page 3 7.31:1 14.7 ft/sec 8.45:1 12.7 ft/sec (included) 10.71:1 10.0 ft/sec 12.75:1 8.4 ft/sec **AM14U6 speed estimation is based on calculations using 6” wheels, and one CIM motor per TB Mini S running at 4100 rpm, or 75% of free speed.
- Page 4 Powertrain Specifications The AM14U6 Kit of Parts Chassis Base Kit includes Gates HTD belts and the parts needed to build a 6” 6-wheel drive chassis with a direct drive center wheel in three recommended frame sizes. Other belt sizes are available on AndyMark.com or through Gates to allow for many more configurations.
- Page 5 Wheel and Belt Assembly Bill of Materials Component Part Number Quantity Part Photo 6" HiGrip Wheel am-0940b ½” Hex Hub am-2568 Gates HTD 15mm wide, am-2266 160 Tooth Belt for Long Chassis Gates HTD 15mm wide, am-2704 120 Tooth Belt for Wide Chassis Gates HTD 15mm wide, am-2571...
- Page 6 ToughBox Mini S Bill of Materials – Build two per drive base Component Part Number Quantity Part Photo TB Mini S Housing am-0650 ½” Hex Output Shaft am-4722 Encoder Pin Ready TB Mini S Small Hex Shaft am-0152 TB Mini Kit 1– am-14U6_TM1 50 Tooth, 3/8”...
- Page 7 AM14U6 Outer Plate am-3921b AM14U6 Inner Plate am-3922b 500 Churro, 24" am-3101-2 AM14U6 – Churro Screw Kit – am-14U6_CK1 1/4-20 x 0.75” Thread am-1310 Rolling Screw AM14U6 – Axle Kit – am-14U6_CK2 3/8-16 x 4.25” HHS Bolt am-1297 3/8-16 Nylock Nut am-1054 AM14U6 –...
- Page 8 Frame Diagrams & Cut Lines: The AM14U6 is designed for multiple configurations. Chassis pieces should be measured and cut down to size; some possible configurations are shown below. Ensure that your final frame size complies with all current rules. Belts for recommended LONG, SQUARE and WIDE configurations are included in the full AM14U6 Kit.
- Page 9 6” HiGrip Wheel and Pulley Assembly Instructions Outer Wheels (QTY 4) Step 3: Press two 1614ZZ bearings Step 1: Add two pulley halves (am- Step 2: Using six 10-12 x 1.5” (am- (am-0209) into the wheel/pulley, 2234a-half) to the wheel (am-0940b). 1654) thread forming screws, attach one into each side.
- Page 10 Let the glue dry. For more information on choosing encoders and pin locations please visit AndyMark.com/TBMini Step 1: Press two R6ZZ bearings (am-0516) into the Step 2: Insert the TB Small Hex Shaft (am-0152) into two center holes of the TB Mini S Housing (am-0650).
- Page 11 Chassis Assembly Instructions Step 1: Press a FR6ZZ (am-0028) and a FR8ZZ- Step 2: Attach the top flange of an Inside Plate to the HexHD (am-2986) bearing into the center holes on top (large) flange of an End Plate (am-3920) at the 8th each Inside Plate (am-3922b).
- Page 12 Step 5: Attach the other End Plate to the other end Step 6: Attach the two (cut to length) Long Churros of the Inside Plates. between the Inside Plates using four ¼-20 x 0.750” thread forming screws (am-1310). A ½” wrench can be used to hold the churro while tightening.
- Page 13 Step 10: Line up the CIM motors with the mounting Step 9: Slide two 5/16” washers (am-1009a) onto each CIM motor shaft against the round boss of the motor. holes in each ToughBox Mini S. Secure each motor with Place the Machine Key (am-1121) into the keyway of gears installed to the ToughBox Mini S housing using the motor shaft.
- Page 14 Step 14: Press the FR8ZZ Bearing (am-0030) into the Step 15: Place each Outside Plate into the ends of both End Plates with the flanges of the Outside Plate center hole of each Outside Plate (am-3921b). The pointing away from the Inside Plate. Ensure the bearing flange will be on the side opposite the plate Bearing is aligned to and installed on the ToughBox flanges to ensure the bearings do not fall out during...
- Page 15 Step 18: Secure the Outside Plates to each Churro Standoff using 1/4-20 x 0.75” thread forming screws (am-1310). A 1/2” wrench can be used to hold the Churro Standoffs while tightening. Step 19: There are different axle bolt locations for each chassis configuration. Locate the hole to match the chosen belt and frame size.
- Page 16 Step 23: Add another Outer Wheel Assembly to the Step 22: There are different axle bolt locations for other end of the chassis. Loop the belt onto the pulley each chassis configuration. Slide a ⅜” axle bolt (am- and insert the assembly between the Inside and 1297) through the spacers and wheel assembly, with Outside Plates.
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