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    2 Inch Thrifty Squish Wheels - QTY 10

    Affordable and durable 2 inch squish wheels are now available. These wheels are commonly used by competitive robotics teams to move game pieces throughout their robot.

     

    These wheels ship in packs of 10 for $3 per wheel and feature:

     

    • 30A durometer TPE rubber material for maximum squishability
    • .375 inch hex hole, intended to be stretched and used on 1/2 inch hex shafts or other larger OD tubes. Each wheel is 1/2 inch thick.
    • Weight: .038 lbs per wheel
    • STEP CAD file available
    MFR Part #: TTB-0032
    $41.67
    Availability: 58 in stock
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    2" Compliant Wheel, 1/2 inch Hex, 35 Durometer Green

    #am-3462_green
    $8.00
    (107 In stock)

    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:

     

    Compliant Wheel Sizing

     

    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

    Don't see what you need?

    Aluminum 1/2 Inch Hex Bore Split Clamping Collar - QTY 5

    #TTB-0002
    $27.78
    (21 In stock)

    Tired of hex clamp collars that cost an arm and a leg? Tired of stripping out the set screw on your clamp collar? Need to add a collar in an assembly and don't want to remove everything from your hex shaft?

    Me too! I've ran into all of the above scenarios multiple times building multiple robots. These collars are the holy grail -

    • split so they can easily be added or removed
    • lightweight 6061 aluminum
    • .5 oz (.031 lbs) for one hex collar
    • uses two 8-32 socket head cap screws that require a 9/64" allen wrench
    • $4.00 per collar, sold in 5 packs
    • anodized black for awesomeness

     

    General Dimensions:

     

    Bearing, 1/2 inch Hex Bore, Flanged, (FR8ZZ-HexHD)

    #am-2986
    $8.00
    (187 In stock)

    This is a Heavy Duty Hex Bearing which outperforms our previous 1/2" Hex Bearings as it has a Heavy Duty Inner Race. This FR8ZZ-HexHD bearing, 1/2" hex bore, flanged, heavy duty inner race, shielded ball bearing, has an inner race that is thicker and stronger than our recent offering of a similar bearing (am-0279). This bearing has more material between the corners of the hex bore and the edge of the race making it stronger and much less likely to crack under high load.

    This bearing is guaranteed to have a stronger, thicker race. 100% of these bearings have been quality checked for a smooth fit over 1/2" hex stock here at AndyMark. Many of our long-time customers will recognize this bearing, as it is the same version we sold back in 2008-2011, and we did not have any failures. Now, it is renamed and quality checked for your high load needs - including drive chassis with cantilevered wheels.


    Specifications:

    • Inside diameter: 0.500-0.502 inch hex bore
    • Outside diameter: 1.125 inch
    • Flange thickness: 0.062 inch
    • Overall thickness: 0.312 inch
    • Weight: 0.05 pound

    Aluminum T Gussets - QTY 8

    #TTB-0012
    $27.77
    (30 In stock)

    This 8 pack of 2.5mm thick T gussets can be used to assemble frames or other mechanisms commonly used in competitive robotics.

     

    • 3.50 in. x 3.25 in. with 1 inch wide ends
    • .163" holes spaced 1/2 an inch apart, perfect for 5/32 rivets
    • 2.5mm (0.098 in.) thick, made from 6061-T6 aluminum
    • .055 lbs per L gusset
    • Sold in 8 packs

     

    CAD model available

    CRESCENDO Note

    #am-4999
    $26.00
    (18 In stock)

    NOTE: Due to limited inventory there is a maximum order quantity of 6 Notes per Team.

     

    FOR SALE TO CANADIAN TEAMS ONLY

     

    This is the game piece for the 2024 FIRST® Robotics Competition CRESCENDO℠ presented by Haas. It has a 14 in. OD and a 10 in. ID and is rather squishy / flexible. 

    There are 113 total Notes on a field, 6 of which are “High Notes” that have white Gaff Tape (not included) applied as specified in the Game Manual. 

    The breakdown is:

     

    • 45 in Red Player Station
    • 45 in Blue Player Station
    • 3 for pre-load in Red Robots
    • 3 for pre-load in Blue Robots
    • 5 in Center Field
    • 3 in Red Alliance Starting Zone
    • 3 in Blue Alliance Starting Zone
    • 6 High Notes for Human Players 

     

    For optimal shipping efficiency please know that Notes ship from the manufacturer in boxes of 24 (but can be ordered in any quantity). 

     

    Specifications

    • Inside Diameter: 10 in.
    • Material: Coated Foam
    • Outside Diameter: 14 in.
    • Thickness: 2 in.
    • Weight: 8.3 Oz +/- 1 Oz

    1/2 in. Hex Collar Clamps, Silver Thin (0.25in) - 1 part

    #am-1635
    $6.95
    (103 In stock)

    These custom designed collar clamps have been designed specifically with FIRST Robotics Competition teams in mind. The one-piece collar clamp is a nice fractional 1/2 in. width to make shaft stackups easy. The clamping force is provided by a 10-32 socket head screw, which is bigger than most used in the competition marketplace.  This provides a high-strength clamping solution that shouldn't strip out when you need it most. You can even replace the 10-32 screw if it becomes lost with the screws historically used in the AM14U family of chassis. These thoughtfully designed collar clamps also have small bosses on each side. This allows these collar clamps to be installed directly adjacent to an FR8ZZ Round or FR8ZZ Hex bearing without rubbing on the outer races for smooth operation.