Read motor datasheet to march demands

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SUMMARY

The discussion focuses on selecting a linear stepping motor capable of applying a force of 10 Newtons to push a syringe. Participants emphasize the importance of understanding the motor's specifications, particularly the relationship between linear force, speed, and power output. The Haydon Kerk Size 11 Linear Actuator is referenced, highlighting the need to analyze its datasheet, especially the graph that illustrates the power output in relation to linear velocity and force. Proper design considerations, including the mechanism and potential gearbox, are also crucial for effective motor application.

PREREQUISITES
  • Understanding of linear stepping motors and their specifications
  • Familiarity with datasheet analysis for motor selection
  • Knowledge of mechanical design principles for force conversion
  • Basic concepts of power output related to force and velocity
NEXT STEPS
  • Review the Haydon Kerk Size 11 Linear Actuator datasheet for detailed specifications
  • Learn about the relationship between linear velocity and power output in motors
  • Research gearbox design and its impact on motor performance
  • Explore mechanical design techniques for converting rotational motion to linear motion
USEFUL FOR

Engineers, mechanical designers, and robotics enthusiasts involved in selecting and implementing linear stepping motors for applications requiring precise force and motion control.

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Hi,
There's more work to do before selecting the motor. You want linear force, but motors rotate, so you need to design a machine to do the conversion. You need to know the length of the linear motion and its speed, then design a mechanism and probably a gearbox.
 
russ_watters said:
Hi,
There's more work to do before selecting the motor. You want linear force, but motors rotate, so you need to design a machine to do the conversion. You need to know the length of the linear motion and its speed, then design a mechanism and probably a gearbox.

Hi, if you take a look at the page the motor has a threaded rod going through it so its already a linear motion.
 
dislect said:
How do I read the data sheet here : http://www.haydonkerk.com/LinearAct...id/Size11LinearActuator/tabid/75/Default.aspx

To know if the motor is capable of applying such force?
It will depend on the speed at which you extend the actuator. Its power output is given by its linear velocity times the force it's developing, so you have a constraint there (since its power output is limited).

There's a graph of this relationship at the bottom of the page you linked.
 

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