Mecanum wheels - 4 pack

SKU: ROB-11578 Brand: Sparkfun

Retired Product

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This product has been retired. It is no longer available, but this page has been kept for reference.

Mecanum wheels allow your robot to not only travel forward and backward, but also side to side. Using rollers set on a 45° rotational axis parallel to the main rotational axis of the wheel, it allows sideways movement as well as forward and backward movement!

These wheels are the updated version of Fingertech’s original Mecanum wheels and they’ve made some awesome improvements. First of all, they moved to an all-metal aluminum design, making them more rugged. Secondly, the rollers are now supported on either side (instead of from the center) which reduces the friction from rollers rubbing against hubs. A small hex wrench is included with each wheel set to tighten the grub screw on the aluminum hub. These will mate directly with our micro gear motors but if you’re using it with other motors you can easily drill out the hubs to accept larger shafts.

Notes: For the best performance, there a few things you should know. The wheels might need a little lubrication to get the rollers moving well enough for lateral movement. Some basic grease works well. Since lateral motion relies on the motors moving against each other, you will get the smoothest lateral movement when the wheels are traveling at the same speed. The use of encoders (or some feedback loop) is recommended. Lastly, making sure your robot platform is balanced helps tremendously as well. Too much weight in the front or back can cause poor results.

Weight: 60g per Wheel

Features:

All Metal Construction
Anodized Aluminum Hubplates
EPDM Rubber Rollers
Outside Wheel Diameter: 54mm
Wheel Width at Widest Point: 34mm
Mount Bore: 3mm (Can be drilled out to 6mm)

Documents:

Replaces: ROB-10543

This product is listed in:

Retired

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Products that weigh more than 0.5 KG may cost more than what's shown (for example, test equipment, machines, >500mL liquids, etc).

We deliver Australia-wide with these options (depends on the final destination - you can get a quote on the view cart page):

$3+ for Stamped Mail (typically 10+ business days, not tracked, only available on selected small items)
$7+ for Standard Post (typically 6+ business days, tracked)
$11+ for Express Post (typically 2+ business days, tracked)
Pickup - Free! Only available to customers who live in the Newcastle region (must order online and only pickup after we email to notify you the order is ready). Orders placed after 2PM may not be ready until the following business day.

Non-metro addresses in WA, NT, SA & TAS can take 2+ days in addition to the above information.

Some batteries (such as LiPo) can't be shipped by Air. During checkout, Express Post and International Methods will not be an option if you have that type of battery in your shopping cart.

International Orders - the following rates are for New Zealand and will vary for other countries:

$12+ for Pack and Track (3+ days, tracked)
$16+ for Express International (2-5 days, tracked)

If you order lots of gear, the postage amount will increase based on the weight of your order.

Our physical address (here's a PDF which includes other key business details):

Unit 18, 132 Garden Grove Parade
Adamstown
NSW, 2289
Australia

Take a look at our customer service page if you have other questions such as "do we do purchase orders" (yes!) or "are prices GST inclusive" (yes they are!). We're here to help - get in touch with us to talk shop.

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