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Wheel 42x19mm Pair

300.00 THB

ราคาดังกล่าวรวมภาษีมูค่าเพิ่ม 7% เรียบร้อยแล้ว

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Part No. : ELE-WA151800336
Manufacture No. : 1090
จำนวนในสต็อก : 3
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รายละเอียดสินค้า: Wheel 42x19mm Pair

This custom-designed white plastic wheel has a rubber tire measuring 1.65" (42 mm) in diameter and is designed to fit the output shafts on our micro and mini metal gearmotors as well as the Solarbotics metal gear motors. Teeth on the hub optionally allow a reflectance sensor to be used for encoder feedback. These wheels are sold in pairs.

 

Overview
This rugged wheel is designed to fit securely on the output shafts of our micro and mini metal gearmotors. These gearmotors should be mounted onto the side of the hub with the protruding teeth, as shown on the right. The output shaft will slide into the socket easily at first but will achieve a snug fit when pressed through to the other edge of the hub.
The output shafts on the Solarbotics metal gear motors will also fit these wheels, but because they are shorter they will have to be mounted onto the other side of the wheel where the fit is tighter (which means the Solarbotics metal gearmotors will not work with the quadrature encoder associated with this wheel). These wheels will also work in this orientation on the Pololu 120:1 mini plastic gearmotor 90-degree 3mm D-shaft output.
Our extended micro metal gearmotor bracket is specifically designed to work with this wheel. Please note that the non-extended version of our mounting bracket (product #989) will not work well with this wheel.

 

Specifications
  - Diameter: 1.65" (42 mm)
  - Width of tire: 0.75" (19 mm)
  - Weight: 0.66 oz (19 g)

 

Encoder Feedback
The hub has twelve teeth, each 3 mm wide and separated from its neighbors by 3 mm gaps. We offer a quadrature encoder that uses these teeth to provide up to 48 counts per revolution (a linear resolution of just under 3 mm or 1/8"). The encoder is designed to work with our extended micro metal gearmotor bracket and our micro metal gearmotors as shown in the pictures below. The compact layout of the board fits all of the components within the envelope of the hub and tire, allowing the board to be mounted between the motor and a chassis. The encoder can be purchased as an individual unit or as a part of an encoder set that includes two encoders, a pair of extended brackets, and a pair of 42×19mm wheels.
The following oscilloscope capture shows the two encoder output channels while the 42×19mm wheel is spinning at close to 630 RPM. The two channels are approximately 90° out of phase, allowing you to determine both rotational speed and direction.

 

Dimensions
  - Size:  42 x 19 mm 
  - Weight:  0.56 oz1 
  - Shaft diameter:  3 mm2 

 

General specifications
  - Color:  white 

 

Notes:
  - 1.Per wheel, including tire.
  - 2.D-shaped hole for press fit onto Pololu micro and mini metal gearmotors.

ความคิดเห็นผู้ใช้งาน: Wheel 42x19mm Pair

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