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User Guide AM14U5 Chassis Base Kit for the FIRST® Robotics Competition November 2021...
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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 ®...
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10.0 ft/sec (included) (am-0034) (am-0149) (am-0747) (am-0885) 12.75:1 8.4 ft/sec (am-0034) (am-0149) (am-0151) (am-0150) **AM14U5 speed estimation is based on calculations using 6” wheels, and one CIM motor per TB Mini running at 4100 rpm, or 75% of free speed.
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Powertrain Specifications The AM14U5 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.
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Wheel and Belt Assembly Bill of Materials Component Part Number Quantity Part Photo 6" HiGrip Wheel am-0940b ½” Hex Hub am-4124 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...
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Toughbox Mini Bill of Materials – Build two per Chassis Component Part Number Quantity Part Photo TB Mini Housing am-0650 ½” Hex Output Shaft am-2566b Encoder Pin Ready TB Mini Small Hex Shaft am-0152 TB Mini Kit 1– am-14U5_TM1 50 Tooth, 3/8” Hex Gear am-0149 14 Tooth, 8mm CIM Gear am-0034...
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Frame Diagrams & Cut Lines: The AM14U5 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...
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6” HiGrip Wheel and Pulley Assembly Instructions Outer Wheels (QTY 4) Step 2: Using six 10-12 x 1.25” (am- Step 3: Press two 1614ZZ bearings Step 1: Add two pulley halves (am- (am-0209) into the wheel/pulley, 2234a-half) to the wheel (am-0940b). 1592) thread forming screws, attach the pulley halves to the wheel.
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Using super glue, add an encoder pin to either end of the encoder shaft. 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 two Step 2: Insert the TB Small Hex Shaft (am-0152) into center holes of the TB Mini Housing (am-0650).
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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-3922a).
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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-1591). A ½” wrench can be used to hold the churro while tightening.
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Step 9: Slide two 5/16” washers (am-1009a) onto each Step 10: Line up the CIM motors with the mounting CIM motor shaft against the round boss of the motor. holes in each Toughbox Mini. Secure each motor with Place the Machine Key (am-1121) into the keyway of the gears installed to the Toughbox Mini housing using motor shaft.
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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-3921). 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...
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Step 18: Secure the Outside Plates to each Churro Standoff using 1/4-20 x 0.75” thread forming screws (am-1591). 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.
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NOTE: An optional Axle Nut Holder (am-4595) can be used to hold the axle nut for easier wheel maintenance. You’ve completed the AM14U5 Kit of Parts Chassis. For more information, tips and instructions on how to mount your battery, bumpers, encoders and...
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