What is the required current for maximum torque in a 33 kg cm servo motor?

In summary, the speaker recently purchased a servo motor with a rated stall torque of 33 kg cm at 6V. They are questioning what current is needed to supply the motor with maximum torque, wondering if the 16 mA is sufficient or if they need 3.5A. They are also advised to be careful with supplying the stall current for too long as it may cause the motor to overheat. The speaker is confused about the 16 mA static current and is expecting a ratio of 1:3 for static current to peak current for servo motors.
  • #1
Sridhar96
12
0
I have recently purchased this servo motor ,which has rated stall torque of 33 kg cm at 6V.

Statical current :16 mA
Stall Current: 3+0.6 AOur technical query is,in order to obtain the maximum torque..what current do we need to be able to supply it

Is 16 mc sufficient..or we need 3.5A?
 
Engineering news on Phys.org
  • #2
At stall torque, the stall current will be needed.

But take care: I think this stall current must only be supplied for a short time ( specified ) or the motor will catch fire.

I don't understand these 16 mA, because the ratio:
static current : peak current
"normally" is about 1 : 3 as for servo motors.
 
Last edited:
  • Like
Likes Sridhar96

1. What is a servo motor current rating?

A servo motor current rating refers to the maximum amount of electrical current that a servo motor can safely handle without being damaged. It is an important specification to consider when selecting a servo motor for a particular application.

2. How is servo motor current rating measured?

Servo motor current rating is typically measured in amperes (A) and can be found in the motor's datasheet or specifications. It is usually given as a continuous current rating, which is the maximum current that the motor can handle for an extended period of time, or a peak current rating, which is the maximum current that the motor can handle for a short duration.

3. What factors affect a servo motor's current rating?

Several factors can affect a servo motor's current rating, including the motor's size, type of winding, and operating temperature. The load on the motor and the speed at which it is operating can also impact the current rating.

4. Why is it important to consider the current rating when selecting a servo motor?

The current rating is an important consideration when selecting a servo motor because it determines the motor's power output and its ability to handle the required load. Choosing a motor with a current rating that is too low can result in overheating and damage to the motor, while choosing one with a rating that is too high can be wasteful and inefficient.

5. Can a servo motor's current rating be changed?

No, a servo motor's current rating is determined by its design and cannot be changed. However, by properly selecting a motor with a suitable current rating for the application, it is possible to optimize its performance and prevent damage.

Similar threads

Replies
5
Views
2K
  • Mechanical Engineering
Replies
4
Views
3K
  • Mechanical Engineering
Replies
1
Views
1K
Replies
2
Views
6K
  • Mechanical Engineering
Replies
1
Views
3K
  • Mechanical Engineering
Replies
1
Views
7K
  • Mechanical Engineering
Replies
2
Views
7K
Back
Top