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P S Control

Nashik, Maharashtra

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Channel Relay Board

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Channel Relay Board

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Channels1 channel
Current Output20 mA
Relay Voltage5 VDC
Number Of Poles2 pole
Country of OriginMade in India
Motor Run2V to 12V
Weight0.016 kg
Dimensions5 x 2.5 x 2.5 cm
Diameter87mm
Motor Diameter69mm

This is a 150 RPM low cost single shaft straight DC geared motor. It is most suitable for light weight robot requiring small power. This motor can be used with 69mm Diameter Wheel for Plastic Gear Motors and 87mm Diameter Multipurpose Wheel for Plastic Gear Motors.

Drive shaft has clutch for non continuous protection from overload which protects gears from the sudden overload. Motor runs smoothly from 2V to 12V and gives wide range of RPM, and torque. Table below gives fairly good idea of the motor’s performance in terms of RPM, no load current as a function of voltage and stall torque, stall current as a function of voltage.

Features:

1. Cost effectiveness of the injection-molding process.
2. Elimination of machining operations.
3. Low density: lightweight, low inertia.
4. Uniformity of parts.
5. Capability to absorb shock and vibration as a result of elastic compliance.
6. Ability to operate with minimum or no lubrication, due to inherent lubricity.
7. Relatively low coefficient of friction.
8. Corrosion-resistance; elimination of plating, or protective coatings.
9. Quietness of operation.
10. Tolerances often less critical than for metal gears, due in part to their greater resilience.
11. Consistency with trend to greater use of plastic housings and other components.


Limitations:

1. Less load-carrying capacity, due to lower maximum allowable stress; the greater compliance of plastic gears may also produce stress concentrations.
2. Plastic gears cannot generally be molded to the same accuracy as high-precision machined metal gears.
3. Plastic gears are subject to greater dimensional instabilities, due to their larger coefficient of thermal expansion and moisture absorption.
4. Reduced ability to operate at elevated temperatures; as an approximate figure, operation is limited to less than 120°C. Also, limited cold temperature operations.
5. Initial high mold cost in developing correct tooth form and dimensions.
6. Can be negatively affected by certain chemicals and even some lubricants.
7. Improper molding tools and process can produce residual internal stresses at the tooth roots, resulting in over stressing and/or distortion with aging.
8. Costs of plastics track petrochemical pricing, and thus are more volatile and subject to increases in comparison to metals.

 

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