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    Compact Linear Slide Extension Spring

    Steel Extension Spring with Loop Ends.  As this spring is stretched, it gets harder to pull.  Be aware of the maximum load as it may break with more than this force applied.

     

    This one is 1 in. long and is used in the Compact Linear Slide

     

    Specifications

    • Material: Music-Wire Steel
    • Maximum Load (lbs.): 3.64
    • Outside Diameter: 0.25 in.
    • RoHS: RoHS 3 (2015/863/EU) Compliant
    # Pièce: am-4835
    $3,25
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    2" Compliant Wheel, 1/2 inch Hex, 35 Durometer Green

    #am-3462_green
    $8,00 $9,32
    ( 60 En 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?

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

    #am-2986
    $8,00 $9,32
    ( 81 En 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

    48mm Low Profile U-Channel

    #76033
    $3,46 $3,19
    ( 515 En stock)

    The Studica Low Profile U Channel is 3mm thick and has a 48mm x 14mm profile. As with the other Studica Robotics building components, it has the common hole pattern which makes it easy to connect to other structure with very little or no additional machining required. You can easily connect to other channel, extrusions, bushings, bearing, mounting brackets and more so you can quickly assemble and disassemble robots and automated systems.

    Specifications:

    • Material: 6061-T6 Aluminum
    • Thickness - 3mm
    • Height - 14mm
    • Width - 48mm
    • Length - 48mm
    • Hole pattern - 1
    • Step File

     

    6mm D Shaft Low Profile Clamping Hub

    #76292
    $8,21 $8,21
    ( 1637 En stock)

     

     

    Φ29.0mm*16.0mm thick
    6*M3 thread tapping through
    (including 2*M3 thread for M3 SHCS)
    Φ6.0mm D hole
    AL6061-T6

    144mm x 40mm Flat Bracket (2 pack)

    #76064-2
    $12,49 $11,51
    ( 934 En stock)

    The Studica Flat Bracket is a very strong  3mm x 40mm wide. As with the other Studica Robotics building components, it has the common hole pattern which makes it easy to connect to other structure with very little or no additional machining required. You can easily connect to other channel, extrusions, bushings, bearing, mounting brackets and more so you can quickly assemble and disassemble robots and automated systems.

    Specifications:

    • Material: 6061-T6 Aluminum
    • Thickness - 3mm
    • Width - 40mm
    • Length - 144mm
    • Hole Pattern - 3
    • Step File

     

    4" Stealth Wheel, 1/2 Hex Bore, Orange,40A Durometer (am-2647_orange)

    #am-2647_orange
    $12,00 $14,11
    ( 40 En stock)

    The inside black portion of this wheel is made from molded polycarbonate plastic. The outer tread is TPU (Thermoplastic PolyUrethane). This robust but lightweight wheel provides good traction on carpet and soft tiles. Stealth wheels are the perfect drive wheel for smaller (<50 lb.) robots, or for intakes and other auxiliary robot mechanisms. These wheels are available in a variety of bores and durometers. 4 in. Stealth Wheels feature a 6 bolt pattern on a 1.875 in. bolt circle for mounting sprockets, hubs, and gears. Nub Bore Stealth Wheels feature a 4 bolt pattern on a 16 mm bolt circle found in most FIRST Tech Challenge building systems. The lower the durometer the softer the wheel is, this makes it wear away faster, but also makes it more grippy.

    Product Usage:
    Many thread locking materials are not compatible with polycarbonate and can eat away at the plastic. Be sure to check which adhesives are okay to use with this product.

    Specifications

    • Bore: 1/2 in. Hex, 3/8 in. Hex, Nub Bore, 5 mm Hex
    • Diameter: 2 in., 4 in.
    • Durometer: 35A (Green), ⠀40A (Orange), ⠀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
    • Weight: 0.23lb, 0.1lb
    • Width: 1 in.

    Documents

    Layout Print(s)

    am-3664 2in 5mm Hex Stealth Wheel REV4.PDF

    am-3156 2IN 8mm Stealth Wheel REV3.PDF

    am-3436 2in 375Hex Stealth Wheel REV3.PDF

    am-3155 2in 500Hex Stealth Wheel REV3.PDF

    am-3665 4in 5mm Hex Stealth Wheel REV3.PDF

    am-2648 4IN 8mm Stealth Wheel REV5.PDF

    am-3435 4in 375Hex Stealth Wheel REV3.PDF

    am-2647 4in 500Hex Stealth Wheel REV3.PDF

    CAD File(s)

    am-3664 2in 5mm Hex Bore Stealth Wheel REV3.STEP

    am-3156 2IN 8mm Stealth Wheel.STEP

    am-3436 2IN 375Hex Stealth Wheel REV2.STEP

    am-3155 2IN 500Hex Stealth Wheel REV2.STEP

    am-3665 4IN 5mm Hex Stealth Wheel REV2.STEP

    am-2647 4inWheel 500 Hex REV2.STEP

    am-3435 4in Wheel Integrated Hub 375 HEX with Tread REV2.STEP

    am-2648 4inWheel 8mm Hub REV2.STEP