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    Winch Strap

    This incredibly strong strap was initially used in a winch system. Feel free to repurpose it for all of your securing, wrapping, and connecting needs!

     

    Specifications

     

    • Hardware: Grommet installed on one end
    • Length: 97 in.
    • Material: Polypropolene
    • Width: 1 in.
    MFR Part #: am-3345
    $12.00
    1 in stock
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    10-32 Nylock Nut

    #am-1042
    $0.08
    (In stock)

    This item can only be purchased in multiples of 25

     

    Specifications: 

    • Material: Steel
    • Coating: Zinc Plated
    • Thread: #10-32
    • Thickness: 0.249"
    • Thread: Fine
    • Thread Size: 32
    • Type: Nylon Insert Lock Nut
    • Wrench Size: 3/8"

    #10-32 x 0.625" SHCS - Min 25

    #am-1120
    $0.47 $0.53
    (In stock)

    Specifications:

     

    • Material: Steel
    • Coating: Zinc plated
    • Thread: 10-32
    • Length: 5/8 inch
    • Head: Socket Head Cap Screw
    • Yellow Nylon Thread Lock Patch

    1/2 in. ID Black Nylon Washer

    #am-1001
    $0.49
    (In stock)

    Nylon washer with a 1/2 in. inside diameter.

     

    This item can only be purchased in multiples of 10

     

     

    Specifications

    • Inside Diameter: 0.505 in.
    • Material: Nylon
    • Outside Diameter: 0.750 in.
    • Thickness: 0.062 in.

    2" Compliant Wheel, 3/8 inch Hex, 50 Durometer Blue

    #am-3571_blue
    $8.00 $10.42
    (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

     

    QTY 1 - 36 Inch Long 1/2" Rounded Hex Shaft - 7075 Aluminum

    #TTB-0069
    $32.50
    ( 10 In stock)

    A staple in any robotics team's shop - the 1/2" rounded hex shaft. This shaft allows you to drive hubs, pulleys and other 1/2" hex broached items while also fitting into a 13.75mm ID bearing with ease. This shaft comes in lengths of 36 inches so you can cut them down to the size you need.

     

    Available in both 7075 (anodized black) or 6061 (not anodized) variants.

     

    Includes a hole sized for #10 taps.

    Aluminum 15 Tooth HTD Pulley - QTY 2

    #TTB-0058
    $28.97
    ( 7 In stock)

    This 5M HTD aluminum pulley 2 pack will allow teams to create larger single belt reductions with a common 1/2" hex interface.

    Thrifty Dead Axle Tube Roller Kit

    #TTB-0098
    $57.96
    ( 5 In stock)

    This new kit from Thriftybot allows you to drive 1.125" ID tubing in a number of ways. Using the Thrifty Metahub, plug into tubes and use your bearing bore of choice.

     

    Kit includes all of the following - 

     

    - QTY 2 Aluminum Thrifty Metahubs - 24 Tooth HTD pulley that support the following configurations -

    QTY 2 - 1" OD needle roller bearings for 3/4" OD tubes

    QTY 2 - 1/2" hex bearings for hex shafts

    QTY 2 - 3/8" ID bearings and a custom hex spacer. Run a 1/4-20 bolt thru your external material and then slip the roller tube in to connect the two hubs together.

     

    Note that this kit provides enough parts to create a full roller with aluminum hubs on each end.

     

    Thriftybot suggests this polycarbonate tubing from McMaster-Carr.

     

    Aluminum Metahub Weight: .15 lbs

    SMC Double Acting Single Rod 3/4 in. Bore Air Cylinders 6 in. Stroke

    #am-2034_6
    $49.00

    These double acting single rod stainless steel cylinders are a solid choice when you want air actuated motion. These cylinders have a strong 0.75 in. thick bore and are available in multiple stroke lengths.