Intuitive meaning for Newton-meter

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SUMMARY

The discussion centers on understanding the intuitive meaning of torque measurements such as Newton-meter (Nm) and their application in motors and machines. A specific example involves a 2Nm motor connected to a ball screw, prompting questions about the load it can move and the speed of movement. The user seeks clarity on how these torque values translate into practical force applications, such as breaking materials like glass or MDF. The conversation emphasizes the need for concrete examples to build a comprehensive understanding of these units in mechanical contexts.

PREREQUISITES
  • Understanding of torque and its units, specifically Newton-meter (Nm)
  • Basic knowledge of mechanical systems, including motors and ball screws
  • Familiarity with force calculations in engineering contexts
  • Awareness of material properties relevant to force applications
NEXT STEPS
  • Research the relationship between torque and load capacity in ball screws
  • Explore the mechanics of linear motion in motors and their force output
  • Learn about material strength and failure points for common materials like glass and MDF
  • Study practical examples of torque applications in engineering scenarios
USEFUL FOR

Engineers, mechanical designers, and students seeking to understand the practical applications of torque measurements in motors and machinery, particularly in load calculations and material strength assessments.

mathx
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Hello,

I'm having a bit of trouble trying to grasp an "intuitive" meaning for Newton-meter, kgf and Newton when applied to motors and machines.

For instance: If I have a 2Nm motor connected to a ball screw (supported on both ends), how much load can this motor move? How fast?

Another problem: If I have a motor driving a linear shaft on an "up/down" movement (like the piston of an engine), how much force is made at the shaft's end? How much is needed to (for instance) break a sheet of glass, a brick or a 10mm thick MDF plate?

Basically, I need some examples, directions or information about this kinds of scenarios, so I can build an "internal model" for how this units work...

Sorry If I'm not so clear, I'm not a native english speaker.

Thanks.
 
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mathx said:
For instance: If I have a 2Nm motor connected to a ball screw (supported on both ends), how much load can this motor move? How fast?
http://en.wikipedia.org/wiki/Torque
 

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