Can Two In-Line Hydraulic Motors Achieve 6000 Metres of Torque?

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Discussion Overview

The discussion revolves around the feasibility of achieving 6000 Newton metres of torque with two in-line hydraulic motors operating at speeds of 1800 or 1500 RPM. Participants explore the technical requirements and implications of this setup.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • Chris inquires whether two in-line hydraulic motors can achieve the desired torque and speed, seeking assistance from the community.
  • Some participants clarify the torque measurement, questioning if 6000 metres of torque refers to 6000 Newton metres.
  • Questions are raised regarding the application of the motors, including what they will drive and whether they are replacing an electric motor.
  • Participants inquire about the hydraulic fluid pressure and type, as well as the power supply requirements (1.2 MW).
  • A participant references a specific hydraulic motor model, the Baldor HPM3710T, suggesting it may be relevant to the discussion.
  • Another participant points out that the referenced Baldor motor appears to be an electric motor rather than a hydraulic one.
  • There is a conditional statement regarding the feasibility of using two motors in-line, contingent on the shaft's ability to handle the torque.

Areas of Agreement / Disagreement

Participants express uncertainty about the technical specifications and requirements for achieving the desired torque with two motors. Multiple viewpoints on the motor type and application remain unresolved.

Contextual Notes

Limitations include a lack of clarity on the specific hydraulic fluid properties, the exact application of the motors, and the mechanical constraints of the setup.

Chris Williamson
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Hi
Would someone please be able to help?
I am based in the UK
We need a large hydraulic motor... 6000 metres of torque with a speed of 1800 or 1500 RPM
If two motors were in-line would this achieve our goal?
Many thanks for your interest.
Chris
 
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Welcome to PF.
Chris Williamson said:
We need a large hydraulic motor... 6000 metres of torque with a speed of 1800 or 1500 RPM
Is that 6000 Newton metres = 6k N⋅m
Why do you need it, what will it drive? Are you replacing a big electric motor?
What pressure is the hydraulic fluid. What type of fluid will you use?
Do you have a 1.2 MW power supply?
 
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From Machine Design magazine April 23, 2015:
upload_2018-8-15_12-33-20.png
 

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Chris Williamson said:
Hi
Would someone please be able to help?
I am based in the UK
We need a large hydraulic motor... 6000 metres of torque with a speed of 1800 or 1500 RPM
If two motors were in-line would this achieve our goal?
Many thanks for your interest.
Chris
Check this motor Baldor HPM3710T.
Its hydraulic motor.
 
Chris Williamson said:
If two motors were in-line would this achieve our goal?

Provided the shaft can handle the torque.
 

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