Energy Chain (2 foot section)

Compliant wheels are not intended for moving robots, but moving objects. Compliant wheels give way to allow rigid objects to be manipulated easily. A line of multiple wheels on a driven hex axle creates a very effective roller that ignores variations in the objects being driven. This makes for high-performance intakes and internal conveyors.

Different durometer ratings give each wheel unique characteristics. Green wheels (35A durometer) are the softest and most compliant around objects, while orange (40A), maroon (45A), blue (50A), and black (60A) wheels are increasingly firm. The increased firmness also allows the latter wheels to carry a higher RPM rating. Check out the downloads tab for a chart showing wheels and their maximum RPM. 

Please note maroon wheels are only intended for use in FTC. If more powerful motors are used to drive it the spokes may fail.

Specifications

• Bore: 1/2 in. Hex, 3/8 in. Hex, Nub Bore, 5 mm Hex
• Diameter: 4 in.
• Durometer: 35A (Green), ⠀40A (Orange), ⠀45A (Maroon), ⠀50A (Blue), ⠀60A (Black), ⠀80A (Gray)
• Hole Pattern: Qty 4 3.5 mm Holes on a 16 mm Circle for 8 mm bore wheels
• Material: TPU, ⠀Polycarbonate
• Maximum RPM: 3000-9000
• Weight: 0.228 - 0.269 Lbs
• Width: 1 in.

Documents

Layout Print(s)

am-3562 4IN 375Hex Compliant Wheel REV3.PDF

am-3563 4IN 8mm Compliant Wheel REV4.PDF

am-3480 4IN 500Hex Compliant Wheel REV3.PDF

am-4538 4IN 5mm Hex Compliant Wheel.PDF

CAD File(s)

am-3562 4IN 375Hex Bore Compliant Wheel REV2.STEP

am-3563 4IN 8mm Round Compliant Wheel REV2.STEP

am-3480 4IN 500Hex Bore Compliant Wheel REV2.STEP

am-4538 4IN 5mm Hex Compliant Wheel.STEP

Guide(s)

4 inch Compliant Wheel Expansion.pdf

Compliant wheels are not intended for moving robots, but moving objects. Compliant wheels give way to allow rigid objects to be manipulated easily. A line of multiple wheels on a driven hex shaft creates a very effective roller that ignores variations in the objects being driven. This makes for high-performance intakes and internal conveyors. The wheels are sized for an interference fit and tend to stay in place on a shaft, though a shaft collar may be used to make absolutely sure the wheels stay clear of other mechanisms or maintain consistent spacing.

The hex bore versions of this wheel are undersized, and are intended to be an interference fit on their respective hex shafts. This interference fit allows for effective torque transfer from the hex shaft to the wheel, as well as allowing the wheel to remain in place along the shaft without the need for spacers or collar clamps:

Different durometer ratings give each wheel unique characteristics. Green wheels (35A durometer) are the softest and most compliant around objects, while orange (40A), maroon (45A), and blue (50A) wheels are increasingly firm. The increased firmness also allows the latter wheels to carry a higher RPM rating. Check out the downloads tab for a chart showing wheels and their maximum RPM. 

Specifications

• Bore: 1/2 in. Hex, 3/8 in. Hex, Nub Bore
• Diameter: 2 in.
• Durometer: 35A (Green), ⠀40A (Orange), ⠀45A (Maroon), ⠀50A (Blue), 60A (Black)
• Hole Pattern: Qty 2 3.5 mm Holes on a 16 mm Circle for 8 mm bore wheels
• Material: TPU
• Maximum RPM: 6000 - 9000
• Weight: 0.035 lb.
• Width: 0.5 in.

Documents

Layout Print(s)

am-3571 2IN 375 Hex Compliant Wheel REV3.PDF

am-3462 2IN 500Hex Compliant Wheel REV3.PDF

am-3572 2IN 8mm Compliant Wheel REV4.PDF

CAD File(s)

am-3571 2IN 375Hex Compliant Wheel REV2.STEP

am-3572 2IN 8mm Compliant Wheel REV2.STEP

am-3462 2IN Molded 500Hex Compliant Wheel REV2.STEP

Additional File(s)

2 inch Compliant Wheel Expansion.pdf

Each hub now has a "flower" pattern that fits and keys into our 42T 5 mm HTD Pulley, which means you are no longer constrained to our legacy 500EX Hex Hub for compatibility with this pulley. Every hub still maintains a closed-profile hole for maximum strength. Every shaft hub has been designed with bearing bosses on both sides that have been sized appropriately for the mating bearings that would pair with the bore through the hub, which means you can run each hub right against a bearing with no need for extra spacers. All of these hubs are also made from 7075-T6 aluminum, which is much stronger than the previously used 6061-T6, 6005, and 6105 alloys from our older designs. Where possible, the shoulder on shaft hubs was reduced to 7/8" in diameter for an easier fit with our molded plastic wheels, while still maintaining a precise 1.125" diameter boss for locating in wheels, sprockets, gears, and more. 

The holes are evenly spaced on a 1.875 in. circle and 0.201 inches in diameter. That's a perfect size for #10 bolts!

Learn how to attach these hubs to AndyMark wheels by watching this video!

Churro has proven itself over years of robot market use as a lightweight and versatile extruded aluminum hex profile, great for standoffs, supports, and low load shafts. Churro Lite offers the same great features of Churro now in a 3/8 in. profile. The outside of this extrusion is between 0.368 in. and 0.374 in. hex (with small weight-saving grooves) to fit inside all our 3/8 hex bore products. The center hole is sized to fit a 10-24 thread forming screw. No tapping or threading is needed, as long as a thread forming screw is used. 

Specifications:

• Material: 6061-T6 Aluminum
• Inside Diameter: 0.163 in. - 0.170 in.
• Outside Width: 0.368 in. - 0.374 in.
• Length: Selectable Above
• Weight: 0.09 Pounds per Foot

This sharp-cornered 6061-T6 aluminum extrusion is a robust and lightweight solution for custom robot frames and mechanism construction. 

Specifications:

• Length: 72" (+/- 1")
• Wall Thickness: 0.062"
• Exterior Corners: Sharp
• Material: 6061-T6 Aluminum
• Weight: 2.4 Pounds

This Inline Chain Tensioner for #35 series roller chain is perfect to adjust the desired tension in a long run of chain on mechanisms such as elevators and arms. This is ideal where there is at least a ~3" section of chain that never passes over a sprocket in a given mechanism. Pair this with two #35 Master Links and integrate this to your robot for an easy-to-use chain tension solution!

The design of this product was inspired by Misumi's Chain Turnbuckles. This product has been improved to be compatible with imperial-sized wrenches.

Specifications

• Chain Size: #35

Documents

CAD File(s)

am-3914_35 35 Chain Tensioner.STEP

Layout Print(s)

am-3914_35 #35 Chain Inline Tensioner.PDF

The 57 Sport is a competition tested high performance line of planetary gearboxes from AndyMark and BaneBots. The 57 Sport features numerous improvements over previous planetary gearboxes used on FIRST Robotics Competition robots. 

This updated version of the AndyMark 775 RedLine Motor is an even faster and more powerful version of this popular 775-class motor platform. With a power rating of up to 363W, this motor is capable of delivering even more immense power in the same small lightweight package over the previous version. This ball-bearing supported, air cooled motor is best used in high-speed applications where the motor will not be stalled for long periods such as shooters, conveyors, and intake mechanisms. With sufficient care and attention to your application's traction limit, this motor can be effective in FRC drive applications as well.

This variation of the RedLine comes with a 16 tooth, 0.7 Module pinion and mounting screws (am-3768) already installed allowing this motor to be installed into either a 57 Sport or a Dual 775 Sport gearbox. Not only does this take the risk of damaging the motor during pinion installation out of your hands, it also means that this counts as a COTS part in FRC.

Churro is a versatile extruded aluminum hex profile. The outside of this part is a 1/2 in. hex with small concave dimples which act as weight savings. There is an inside hole is sized at 0.2 in. in order to fit 1/4-20 thread forming screws. No tapping or threading is needed, as long as a thread forming screw is used. The outside hex size fits a 1/2 in. wrench or socket. 

The 3-foot churro, our most popular length and the best value on shipping, is available anodized in red, blue, purple, gold and black to dress up your robot. Anodized finish is hardy and doesn't flake off or add thickness like paint, but it is possible for a scratch to expose the bare metal beneath. Take basic precautions in your shop like watching for sharp tools or overtightening this churro in a vise.

Specifications:

• Material: 6005A Aluminum
• Inside diameter: 0.231 in.
• Outside width: 0.495 in. Hex, across flats
• Length: Selectable Above
• Weight: 0.16 lbs/ft

The MK ES17-12, 12 Volt, 18 amp-hour sealed lead acid battery with nut and bolt connector has proven to be a trustworthy power source for many FIRST Robotics Competition robots. 

The batteries will be packed within a 7"x7"x7" box (aka: interior box). A 3/4" layer of closed-cell foam will be packed around the interior box, within a 9"x9"x9" box. The entire weight of this double box packing assembly will be approximately 29 pounds.

Two (2) batteries are shipped within one box for this price.