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  • Users: MarkRPflow
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  1. MarkRPflow

    Anti-corrsion "hard chrome" alternative

    Outdoor equipment with carbon steel rods 1.5 x 0.5 wall x 4 @ 8' 4 @ 16' 4 @ 26' long supports 8' x 12' display platform. Rods occassionally raise up & down thru UHMW guides. Rod supported by welded collar at top of rod and passing thru steel support. Bottom of rod is threaded and has a rod...
  2. MarkRPflow

    Weld-on Link Chain Shorting Claw

    Looking for vendor of "Weld-on" link chain (3/8 & 1/2" chain)shortening bracket. I'm know about the shortening clutch which attaches to the chain. Looking for a weld-on bracket to secure chain to the side of a steel plate.
  3. MarkRPflow

    MRI Room Electrical Components

    MRI Room Electrical Components Designing machinery for use in MRI Room which requires electric/mechanical interlock for guarding. Must be non-magnetic device. Any component or vendor sources for interlocks?
  4. MarkRPflow

    MRI Room Design Fabrication

    MRI Room Machinery Design & Fabrication Plan to use 304 or 316 stainless to fabricate steel structure for a hydraulic lift. Need reference for non-magnetic steel fabrication (i.e. aluminum alternative).
  5. MarkRPflow

    Adhesive splice of urethane timing belt w/reinforce cables

    Looking for an adhesive/clamp type splice to form an endless belt. Need low profile splice. Belt: Urethane 7/8 pitch timing belt x 2" wide with 29 .0355" steel reforcing wires. Belt breaking strength 6,000 lbs. Currnetly stripping ends of urethane belt to expose wires and using...
  6. MarkRPflow

    Hydraulic Fluid Temperature Table Needed

    Our sales department needs a "simple" table for applying hydraulic fluid for application & temperature. Any "simple" rules of thumb or URLs?
  7. MarkRPflow

    Coefficient of friction: Tire on Smooth dry steel

    Need coefficient of friction for a tire on smooth sttel. 53,000 lb. motor coach stopping on steel deck.
  8. MarkRPflow

    Torque control in bolt tightening

    Looking for an inexpensive reusable mechanical device (i.e. DTI) to establish bolt tension. Application: Setting conveyor belt tensioner bolts to install and monitor belt sag.
  9. MarkRPflow

    Torque Control in bolt tightening

    Looking for an inexpensive reusable mechanical device (i.e. DTI) to establish bolt tension. Application: Setting conveyor belt tensioner bolts to install and monitor belt sag.
  10. MarkRPflow

    Escalator Design

    Looking for references on escalator "structural design" (not codes) such as tech papers, journal articles, design books. Attachments, brackets, support & seismic considerations.
  11. MarkRPflow

    Sliding Nylon 6/6 on chrome plated ring

    Have a 9/16" rod covered with a (5/8 OD, 9/16 ID) nylon 6/6 bushing stock riding on a 3/4" ID chrome plated (65-70 Rc) ring. Am trying to determine wear of Nylon 6/6. I want the nylon 6/6 to wear first. Have yet to find a equivalent hardness rating for the nylon 6/6. Any comments...
  12. MarkRPflow

    Slidiing Nylon 6/6 with chrome hardened ring

    Have a 9/16" rod covered with a (5/8 OD, 9/16 ID) nylon 6/6 bushing stock riding on a 3/4" ID chrome plated (65-70 Rc) ring. Am trying to determine wear of Nylon 6/6. I want the nylon 6/6 to wear first. Have yet to find a equivalent hardness rating for the nylon 6/6. Any comments...
  13. MarkRPflow

    Hairpin clip design source needed

    Looking of a good source or reference for hairpin clip design. I have a 5/8" pin which needs to be held in place until a predetermined axilal load (approx. 150 lbs)is reached. The hairpin clip then releases the pin. This should allow the pin to be reset for use again. Looking at...
  14. MarkRPflow

    Non-Magnetic Structural Steels

    Anyone have a good list of magnetic properties for &quot;non-magnetic&quot; steels?<br><br>I have an application for designing a vertical reciprocating conveyor(VRC or material handling lift) typically fabricated from A36 structural shapes (W, L, C, HSS sections).&nbsp;&nbsp;We need to install a...
  15. MarkRPflow

    UBC 2000 Seismic Code

    As an equipment manufacture whose equipment is supported by the building structure, we are asked to have our drawings stamped by a local PE for local building approval.<br><br>I am hearing many comments on the current changes to the seismic requirements.&nbsp;&nbsp;There seems to be alot of...
  16. MarkRPflow

    Serrated teeth imbedment into steel

    Working on a dynamic safety device with serrated teeth. Looking for design or test information on serrated teeth imbedment into steel.
  17. MarkRPflow

    Serrated Teeth imbedment in steel

    Working on a dynamic safety device with serrated teeth. Looking for design or test information on serrated teeth imbedment into steel.
  18. MarkRPflow

    Machinery Design Load Service Factors

    Machinery design Load Service factors - looking for good references on apply structural steel design to machine design (ie frames, equipment support). Have some industry specific codes (ie overhead cranes) that address welding & beam design.<br> <br> Looking for stress allowables for bending...
  19. MarkRPflow

    VRC standards

    We build &quot;Vertical Reciprocating Conveyors&quot; (VRC). Is there a need in &quot;industry&quot; for engineering design code/specification for these vertical lifts (hydraulic & mechanical).
  20. MarkRPflow

    Evaluating CSC TEDDS "The Calculation Pad for the Professional Enginee

    Evaluating CSC TEDDS &quot;The Calculation Pad for the Professional Engineer&quot; - any comments on this software.

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