Continue to Site

Eng-Tips is the largest engineering community on the Internet

Intelligent Work Forums for Engineering Professionals

  • Congratulations SDETERS on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  1. M

    Seeking Guidance on Developing an Adhesive Coating Formula

    Something derived from barnacles couldn't be used on Muslims or devote Jews.
  2. M

    Movable-shaft design for adjustable gear teeth engagement

    ...you have? What speed? What forces? Are you just moving the thing, or do you need to accurately position it? If so, to what precision? Does it ***absolutely have to be*** a rack and pinion? Does the motor ***absolutely have to be*** on the moving part? Is your gearmotor 100% selected...
  3. M

    Movable-shaft design for adjustable gear teeth engagement

    Are the rollers rubber? The problem you're trying to solve isn't clear. Set the engagement once, how does it change?
  4. M

    Power Needed to Rotate a Mass to a Speed in a Specified Time

    That's a constant acceleration. It results in a linear speed v. time profile.
  5. M

    Power Needed to Rotate a Mass to a Speed in a Specified Time

    I hope you mean "linear speed profile", not linearly increasing acceleration. But that requires constant acceleration, which you probably don't want to do. Basically, you want the left half of this (from: https://www.digikey.jp/en/blog/motion-control-profiles-good-better-and-best)
  6. M

    Power Needed to Rotate a Mass to a Speed in a Specified Time

    Everything you need is here: https://phys.libretexts.org/Bookshelves/University_Physics/University_Physics_(OpenStax)/Book%3A_University_Physics_I_-_Mechanics_Sound_Oscillations_and_Waves_(OpenStax)/10%3A_Fixed-Axis_Rotation__Introduction/10.09%3A_Work_and_Power_for_Rotational_Motion
  7. M

    NEED HELP WITH DETERMINING WAHT STAINLESS STEEL FASTENER TO USE

    Huh? That's not relevant. Anyways, how much clamping force do you need? How to select fasteners: Define the clamping force. Decide the number of fasteners. Decide material. Decide diameter. Decide if torque control is good enough. If yes, calculate torque.
  8. M

    Trump announces Boeing wins contract for next-generation fighter jet... F-47??? Say-What????

    Apparently the system has some flexibility built in. https://en.m.wikipedia.org/wiki/1962_United_States_Tri-Service_aircraft_designation_system
  9. M

    Question LCD LED IPS display

    Yes, time causes aging.
  10. M

    Hydraulic Actuated Rear Wing system

    The Chaparral 2E wing only used 2 positions. https://petroleummuseum.org/chaparral-2e/
  11. M

    vba excel register udf not working

    Take a look at this. https://stackoverflow.com/questions/41465478/register-udf-with-descriptions-of-arguments-using-excel-addin
  12. M

    Geodesic propulsion

    Well that sounds very favorable, 🤔
  13. M

    Hydraulic Actuated Rear Wing system

    Oh, and your scheme to recover energy won't work and will only slow the response.
  14. M

    Hydraulic Actuated Rear Wing system

    Overly complicated and HEAVY. Electrically driven ball screw or servo and bell crank will do the job better in every way.
  15. M

    Geodesic propulsion

    Yep, it is.
  16. M

    How much torque stripe do I need?

    I guess 100 would be fine. 200 of you're doing both nuts and bolt heads.
  17. M

    HVAC

    It means you need to trouble shoot to find the cause. Randomly replacing parts is an expensive way to do maintenance.
  18. M

    Tool identification (with colours) in the workshop

    Make the workers financially responsible for their issued tools. Then they will find their own good method of marking. Paint won't wear off that quickly, and won't wear off complete, and is cheap and easy to renew. Heat shrink tube.

Part and Inventory Search