Waterproof dc motors

Waterproof dc motors DEFAULT

Waterproof BLDC Motors

ATO waterproof brushless motors with protection grades of IP68 or IP 28, optional speed range from KV to KV, corresponding power W (8 hp) to W (1/2 hp). Waterproof BLDC motor is special for underwater operation, which can be used as a water propeller. Waterproof brushless electric motor has small size, lightweight and high water resistant performance, wide applications include electric surfboards, surf motorcycles, submersible propellers, drones, etc.

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W KV S Waterproof Brushless DC Motor, IP28

W KV S Waterproof Brushless DC Motor, IP28

$

SKU: ATO-BLDC-WP

Cheap waterproof brushless DC motor for sale. Maximum power W, rotation speed KV, input voltage S (DC V), waterproof grade IP28, shaft diameter mm, propeller mounting distance 25mm. Underwater BLDC motor for direct drive propeller/Efoil electric surfboard, matching controller kit is optional.

W KV 12S Waterproof Brushless DC Motor, IP68

W KV 12S Waterproof Brushless DC Motor, IP68

$

SKU: ATO-BLDC-WP

Good price waterproof brushless DC motor for underwater working. Rated power W, speed KV, power supply 12S batteries (input DC 44V), rated voltage 24V, waterproof grade IP68, hole diameter 35mm, thrust 5kg. Waterproof BLDC motor for direct-drive propeller/Efoil electric surfboard use, matching ESC controller is recommended.

W KV S Waterproof Brushless DC Motor, IP28

W KV S Waterproof Brushless DC Motor, IP28

$

SKU: ATO-BLDC-WP

Affordable price KV brushless DC motor for sale, IP28 waterproof. Maximum power W, rotation speed KV, no-load speed rpm, input voltage S (DC V). Waterproof BLDC motor for underwater applications, matching ESC controller and adding propeller are available.

W KV 14S Waterproof Brushless DC Motor, IP68

W KV 14S Waterproof Brushless DC Motor, IP68

$

SKU: ATO-BLDC-WP

IP68 waterproof brushless DC motor for underwater operating. Maximum power W, speed KV, max input voltage 14S (DC 51V), shaft diameter 10mm. Competitive price BLDC motor paired with controller, for surfboard, propeller, Efoil, thruster and submersible equipment.

W KV S Waterproof Brushless DC Motor, IP68

W KV S Waterproof Brushless DC Motor, IP68

$

SKU: ATO-BLDC-WP

Buy W waterproof brushless DC motor at ideal price. Rotation speed KV/KV for selection, input voltage S (DC V), torque 9 N.m. Underwater BLDC motor kit (motor + controller + propeller) is available, for electric surfboard, thruster, submersible equipment, etc.

Sours: https://www.ato.com/waterproof-brushless-dc-motors
Submersible Waterproof Stepper Motors, AC Motors , Resolvers

The use of electrical motors in and around water presents a complex set of challenges to the equipment user, systems designer and to the equipment supplier. Standard or commercial motors are typically designed for low cost, high volume manufacturing as a result they are typically not suitable for use in wet areas.

Empire Magnetics has designed a series of products specifically intended to meet the requirements of certain applications. Stainless steel housed waterproof stepper motors and A.C. induction motors provide corrosion resistance, and easy to clean features. The stainless steel packages are useful in nuclear reactor applications, while the Waterproof A.C. motors are frequently found in the food processing industry.

For submersion and deep sea applications the addition of pressure compensation devices allow the equipment to be used in applications that are particularly inhospitable.

The stainless waterproof packages provide flexibility to add gearboxes, feedback resolvers and other features to the mechanical assemblies, the ability to accommodate designers needs makes them the first choice for new product developments.

Custom products available:

Empire Magnetics Inc. can provide the following items on a custom basis, stainless steel brushless DC motors with resolver feedback, assemblies of motors and gearboxes, assemblies of motors and resolvers, assemblies of brushless motors and propellers as thruster motors, assemblies in hermetically sealed vessels.

Waterproof AC Induction Motors

The WD series of stainless steel house AC waterproof induction motors have been designed for use in applications where they will be subjected to frequent wetting or washdown. Since these waterproof motors are equipped with cooling fans, modifications are required for applications when the waterproof motors will be submerged.

Submersible versions of the waterproof motors are oil filled and pressure compensated, they are provided without cooling fans. In a fully submerged situation the water can be relied upon for motor cooling.

The most difficult application is when the motor will normally be used in air, but occasionally will be submerged. If the cooling fan is installed for use in air, then it will act as a pump when in water. This pumping action will overload the motor unless it is significantly oversized for the application. On the other hand, if the motor is provided without a fan, then it must be significantly oversized to allow for the heating when it is not being cooled by water.

Waterproof Stepper Motors

Waterproof Stepper Motors

Choose a product:

Frequently Asked Questions About Waterproof Motors

Learn More About Waterproof Applications

Features:

  • Integrated design and solution
  • Highly Corrosion Resistant
  • Integral Housing Seals
  • Double Sealed Cable Entry
  • Oil Filled Motor
  • Mounting Face Gasket
  • "Leak Insurance"

Typical Applications:

  • Drug Manufacturing
  • Food Processing
  • Machine Tools
  • Marine Submersion
  • Paper Making
  • Film Processing
  • Chemical Manufacturing

Government Projects
& Defense Applications

Click Here for Price Builder
Sours: https://empiremagnetics.com/
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Waterproofing a DC motor with Sugru

During my work on my ROV project I considered several ways of waterproofing the motors used as thrusters.
There are many that use bilge pumps as they are already waterproof, but they seem rater bulky and hard to mount.
Others use no waterproofing at all and just run their DC motor straight in the water. That works fine, but you have to clean them thoroughly afterwards.
What I ended up with was to have some custom made ‘stuffing box’s. That is basically a container that is filled with grease in which the propeller shaft runs. This is a good solution but impractical and expensive in some situations.

So now I’m doing some tests using Sugru http://sugru.com/ for waterproofing a geared 12V RPM motor. I applied the Sugru on the motor yesterday and will keep it in a jar of water for the next couple of weeks. Running it (in water) for minutes each day.  If it still works the plan is to submerge it in salt water at about m dept for a week or two and see if it still works.

I’ve just started using Sugru and I must say that I love this stuff. I have used Polymorph in the past and will probably use it again if I can’t use Sugru. As a modeling material the Sugru is way better then the Polymorph.

To compare the two I would say;

Pros:

  • The Sugru handles as any other modeling clay and you have 30min to one hour to get the shape right. With Polymorph its hot wet and you have to work fast.
  • The Sugru comes in many bright colors and you can blend it to any shade by combining colors. Polymorph can be colored, but it’s a pain and you can’t really get the color your after..
  • The Sugru bonds to almost anything. Polymorph bonds to almost nothing.
  • The Sugru when cured has a rubbery and flex to it, Polymorph is hard and glossy.
  • As the Sugru is softer to work with and will fill gaps and give you more detail imprints than Polymorph.

Cons:

  • Sugru is expensive compared to Polymorph.
  • If you open a 5g package of Sugru you have to use it or throw it away.
  • Sugru has limited shelf time before you can’t use it any more. That said, the cured product will last for years.

Well, back to my motor
This is what I did.
As this is a geared motor, the outer shaft isn’t in contact with the inner motor. That makes the gearbox a potential stuffing box. So I opened it up to add more grease as it needs to be completely packed to keep the water out.

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Added the cap's as you can't do that later

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Added some electrical tape to seal of a big gap in the casing and hold the wires in a loop for stress relief

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And started laying on the Sugru

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The finished product turned out a bit psychedelic, but I used 5 x 5g packs of Sugru on this motor. It might be too thick, but more is better… right?

And here is the motor submerged in water.
Time will show if this is a way to waterproof motors, or a complete failure :-)

Update 30/09/

Just a quick update on my waterproof motor project.
I have had it sitting in a jar of water for 24 days and have found no ill effect. I weight the motor before I started and it has the exact same weight now. That seems to be proof that there has not sipped in any water  in these 3+ weeks.

Sours: https://www.robotshop.com/community/forum/t/waterproofing-a-dc-motor-with-sugru/

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Motors waterproof dc

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Waterproofing the Motors - SeaPerch Training Videos

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