China factory NEMA 23 57mm Stepper Gear Motor, Planetary & Spur Gear Reducer worm gear motor

Product Description

nema 23 stepper gear motor,Gearbox Stepping Motor

 

Model No. Rated 
Voltage
Current 
/Phase
Resistance 
/Phase
Holding 
Torque
# of Leads Weight Detent 
Torque
Length
Single Shaft Double Shaft V A Ω kg-cm   kg kg-cm mm
SM57HT41-1006A SM57HT41-1006B 5.7 1 5.7 3.9 6 0.45 0.21 41
SM57HT41-2006A SM57HT41-2006B 2.8 2 1.4 3.9 6
SM57HT41-3006A SM57HT41-3006B 1.9 3 0.63 3.9 6
SM57HT41-2804A SM57HT41-2804B 2 2.8 0.7 5.5 4
SM57STH51-1006A SM57STH51-1006B 6.6 1 6.6 7.2 6 0.65 0.36 51
SM57STH51-2006A SM57STH51-2006B 3.3 2 1.65 7.2 6
SM57STH51-3006A SM57STH51-3006B 2.2 3 0.74 7.2 6
SM57STH51-2804A SM57STH51-2804B 2.3 2.8 0.83 10.1 4
SM57HT56-1006A SM57HT56-1006B 7.4 1 7.4 9.0 6 0.7 0.4 56
SM57HT56-2006A SM57HT56-2006B 3.6 2 1.8 9.0 6
SM57HT56-3006A SM57HT56-3006B 2.3 3 0.75 9.0 6
SM57HT56-2804A SM57HT56-2804B 2.5 2.8 0.9 12.6 4
SM57HT76-1006A SM57HT76-1006B 8.6 1 8.6 13.5 6 1 0.68 76
SM57HT76-2006A SM57HT76-2006B 4.5 2 2.25 13.5 6
SM57HT76-3006A SM57HT76-3006B 3 3 1 13.5 6
SM57HT76-2804A SM57HT76-2804B 3.2 2.8 1.13 18.9 4

 
Gearbox Specifications:

 

Ratio 3 7.5 12.5 15 25 30 50 75 90 100 120 150
Number of gear trains 2 2 2 3 3 3 4 4 5 5 5 5
Length(L) mm 32 32 32 32 42 42 42 42 42 42 42 42
Peak torque kg.cm 50
Average Backlash At Nolaod 4 deg. 3.5 deg. 3 deg. 2.5deg

 

 

Application: Nc Machine Tool
Speed: Constant Speed
Number of Stator: Two-Phase
Excitation Mode: HB-Hybrid
Function: Driving
Type: Magnetic-Electric
Customization:
Available

|

Customized Request

epicylic gear

What are the advantages of using planetary gears in various mechanical setups?

Planetary gears offer several advantages that make them a popular choice in various mechanical setups. Let’s explore some of these advantages:

  • Compact Size:

One key advantage of planetary gears is their compact size. The arrangement of multiple gears within a single housing allows for a high gear reduction ratio in a relatively small space. This compactness is particularly beneficial in applications where space is limited, such as automotive transmissions, robotics, and aerospace systems.

  • High Torque Density:

Planetary gears provide high torque density, meaning they can transmit a significant amount of torque relative to their size and weight. The design of planetary gears allows for multiple gear teeth to engage simultaneously, distributing the load and increasing torque-carrying capacity. This makes them suitable for applications requiring high torque transmission, such as heavy machinery, industrial equipment, and automotive drivetrains.

  • Efficient Power Transmission:

Planetary gears are known for their efficient power transmission capabilities. The multiple gear engagements and the distribution of load among the gears result in reduced friction and minimal power loss. This efficient power transmission ensures that a substantial portion of the input power is effectively transmitted to the output, leading to improved overall system efficiency.

  • Multiple Gear Ratios:

Another advantage of planetary gears is their ability to achieve multiple gear ratios within a single gear system. By varying the sizes and numbers of teeth on the sun gear, planet gears, and ring gear, different gear ratios can be obtained. This flexibility allows for adapting to various speed and torque requirements without the need for additional gear sets or complex mechanisms.

  • Shock Absorption:

Planetary gears have a natural ability to absorb shock loads and distribute them across multiple gear teeth. The multiple gear engagements and the design characteristics of planetary gears help mitigate shocks and impacts, preventing damage to the gear system and the connected components. This makes them suitable for applications that involve sudden changes in load or intermittent operation.

  • Precise Motion Control:

Due to their design, planetary gears offer precise motion control. The combination of rotational and orbital movements of the planet gears allows for smooth and accurate motion transmission. This feature is particularly useful in applications requiring precise positioning, such as robotics, automation systems, and medical equipment.

In summary, the advantages of using planetary gears in various mechanical setups include compact size, high torque density, efficient power transmission, multiple gear ratios, shock absorption, and precise motion control. These advantages make planetary gears well-suited for a wide range of applications across industries, offering reliability, efficiency, and versatility.

epicylic gear

Can you explain the process of gear shifting in planetary gear systems?

Gear shifting in planetary gear systems involves changing the gear ratio by engaging or disengaging specific components of the gear set. Let’s explore the process of gear shifting in more detail:

  • Clutching and Braking:

The gear shifting process in planetary gear systems primarily relies on clutching and braking mechanisms. These mechanisms selectively connect or disconnect various gears within the system to achieve the desired gear ratio. Here are the key steps involved:

  • Clutch Engagement:

To shift to a higher gear ratio, the clutch associated with the gear component that needs to be engaged is activated. The clutch connects the rotating member, such as the sun gear, planet carrier, or ring gear, to the stationary member, allowing torque transmission. This engagement results in a change in the gear ratio, leading to higher speed or torque output depending on the specific gear set configuration.

  • Brake Application:

On the other hand, to shift to a lower gear ratio, a brake associated with the gear component that needs to be disengaged is applied. The brake immobilizes or slows down the rotation of the selected gear element, preventing it from transmitting torque. By selectively braking certain components, the gear ratio is altered, resulting in a lower speed or higher torque output.

  • Sequential Shifting:

In some planetary gear systems, gear shifting is performed sequentially. This means that one gear component is engaged or disengaged at a time, gradually transitioning from one gear ratio to another. Sequential shifting allows for smooth and controlled gear changes, minimizing the stress on the transmission components and ensuring seamless power transmission.

  • Electronic Control:

In modern applications, gear shifting in planetary gear systems is often electronically controlled. Electronic control systems utilize sensors, actuators, and a control unit to monitor various parameters such as vehicle speed, engine load, and driver input. Based on these inputs, the control unit determines the optimal gear shift points and actuates the clutches and brakes accordingly. Electronic control enhances the efficiency, precision, and automation of the gear shifting process.

In summary, gear shifting in planetary gear systems involves the engagement and disengagement of clutches and brakes to alter the gear ratio. By selectively connecting or disconnecting specific gear components, the speed and torque output can be adjusted. Sequential shifting and electronic control systems further enhance the gear shifting process, providing smooth and efficient operation in various applications, including automotive transmissions and industrial machinery.

epicylic gear

Can you describe the role of sun gears, planet gears, and ring gears in planetary systems?

In a planetary gear system, each component—the sun gear, planet gears, and ring gear—plays a crucial role in the overall operation and functionality. Let’s explore the roles of these gears:

  • Sun Gear:

The sun gear is a central component in a planetary gear system. It is typically located at the center and is driven by an input source such as a motor or engine. The sun gear receives the input power and transmits it to the other gears in the system. As the sun gear rotates, it drives the rotation of the planet gears, which, in turn, contribute to the overall gear operation. The size and number of teeth on the sun gear determine the gear ratio and torque characteristics of the system.

  • Planet Gears:

The planet gears are gears that surround the sun gear in a planetary gear system. They are typically smaller in size compared to the sun gear and are connected to a carrier or arm. The planet gears mesh with both the sun gear and the ring gear. As the sun gear rotates, it drives the rotation of the planet gears. The planet gears exhibit both rotational and orbital motion. While they rotate on their own axes, they also orbit around the sun gear. This combination of rotational and orbital movement allows the planet gears to transmit torque and contribute to the overall gear reduction or amplification. The arrangement and number of planet gears can vary depending on the specific design and requirements of the system.

  • Ring Gear:

The ring gear is the outermost gear in a planetary gear system. It has internal teeth that mesh with the planet gears. The ring gear remains fixed or stationary while the sun gear and planet gears rotate. The interaction between the planet gears and the ring gear enables the gear system to achieve gear reduction or amplification. The size and number of teeth on the ring gear also influence the gear ratio and torque characteristics of the system.

In summary, the sun gear serves as the primary driver, receiving the input power and transmitting it to the other gears. The planet gears rotate and orbit around the sun gear, contributing to torque transmission and gear functionality. The ring gear remains fixed and meshes with the planet gears, allowing for gear reduction or amplification. Together, these gears work in harmony to achieve the desired gear ratios, torque transmission, and overall operation of planetary gear systems.

China factory NEMA 23 57mm Stepper Gear Motor, Planetary & Spur Gear Reducer worm gear motorChina factory NEMA 23 57mm Stepper Gear Motor, Planetary & Spur Gear Reducer worm gear motor
editor by CX 2023-10-09

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