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  • Users: adavidi
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  1. adavidi

    Heavy machines experience

    Hi All, I'm working for a company in the printing industry. Lately we start developing a new machine, which is about 5 ton weight. Since our current experience is with only 2 tons machines, I would like to learn from your knowledge and your experience more about moving heavy and precise parts...
  2. adavidi

    Air compressor

    Hi All, I’m looking for air compressor which has: Air displacement: 30 L/M Max Pressure: 8 bar Noise level: 65 dB Where can I find it? Thanks, Aharon
  3. adavidi

    Globe valve demo

    Hi All, I'm looking for web sites that demonstrate, in 3D view, how globe valve is working. Thanks, Aharon
  4. adavidi

    Antistatic multi wall material

    Hi, I’m looking for multi wall material, which is very light, and has antistatic performance. I need it as a partition in Clean Room. Can someone advice me for source? Thanks in advance, Aharon
  5. adavidi

    Grout Painting

    Hi, From your experience, how long it should take from the time I cast the grout till I can paint it without having paint peeling problem? The paint is water based. Casting condition is: Temp. 24ºC, Relative Humidity 55% Thanks, Aharon
  6. adavidi

    Painting the grout

    Hi, My questions are regarding grout: 1. Can I paint the grout? 2. How long time after grout application, I can paint it (temp. in the Clean Room is 23ºC)? 3. What kind of paint do you recommend? 4. Can I repair the paint in case of paint damages? Thanks in advance, Aharon
  7. adavidi

    Recepticals in South America

    All, Questions to the form: Do the receptacles in South America are the same as in USA? Do I have to use an adaptor for mobile equipments? Thanks, Aharon
  8. adavidi

    Dielectric flange

    All, Where can I find data regarding dielectric flanges for 3” and 4” ASA 150. Thx, Aharon
  9. adavidi

    Concentration of Propylene Glycol in cooling water

    Hi, Does anyone used and measured automatically, the concentration of Propylene Glycol in cooling water system? Right now I only have a portable device that gives the temperature of freezing, but I’d like to have an automatic controller of the concentration. Thanks in advance Aharon
  10. adavidi

    Concentration of Propylene Glycol in cooling water

    Hi, Does anyone used and measured automatically, the concentration of Propylene Glycol in cooling water system? Right now I only have a portable device that gives the temperature of freezing, but I’d like to have an automatic controller of the concentration. Thanks in advance Aharon
  11. adavidi

    MDF sheet deflaction

    All, What is the best known method to calculate wood deflection for: • MDF sheet 26 mm thick • Span 700 mm • Width 600 mm • What is the allowable force that can apply? Thanks in advance. Aharon
  12. adavidi

    Nickel Silver material

    Hi, Does Nickel silver material suite as a cover for electronic elements? Thanks, Aharon
  13. adavidi

    Water anomaly: volume change

    Hello all, Can someone give me the exact volume change between water in 4°C and 0°C in percentage. Thanks, Aharon
  14. adavidi

    Ice volume

    Can someone know, what is the difference, in volume, between 0C and -50 C of ice? Thanks.
  15. adavidi

    Vibration û measuring and analyzing

    Hi, I’m looking for vibration tool that can measure and analyze vibration. The machine rotates by motor to 1000 RPM and has bearings, gears, shafts and belt. The machine is not fixed to ground (it’s like portable device). Do anyone can recommend for such a tool? Thanks, Adavidi
  16. adavidi

    4 ph stepper motor

    I need to check stepper motor (4 phase) for: 1. Shaft moment with or without load. 2. Wire connection. 3. Rotation direction. 4. Bearings. Does anyone know about test device in the market that can check these parameters? Thanks in advance. Aharon
  17. adavidi

    CV valve definition

    What is the exact definition for CV valve? Is there a web site, which explain it? Thanks, Aharon
  18. adavidi

    Mold for cable tie

    Does anybody know about manufacturer, in Europe, that produces cable ties? I develop a unique cable tie and I’m looking for some one to build the mold and to inject the products. Thanks, Aharon
  19. adavidi

    Drive cloud to earth

    Hi, Question from meteorologist point of view: Is it possible to drive cloud down to earth? Thanks, Aharon
  20. adavidi

    Wind drag on car flag

    Hi, I need to calculate the moment, which develops by the wind on the bottom of flag bar (mounted on car), during driving in 120 km/hr speed. Flag size: 4 cm x 25 cm, 2 mm thick. Flag bar length is 50 cm. Flag installed on the top of the bar. The flag made of rigid Nylon. Please your advice...

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