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Peter J Stewart-Hay

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Peter J Stewart-Hay

14
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About Me

Personal Information

Gender
Male
About me
A university trained Professional Mechanical Engineer, registered in the Province of Ontario, Canada.

A wire and cable manufacturing engineering specialist with over 35 years hands on experience.

Company Information

Company
Stewart-Hay Associates
Address
Unit 51, 1814 Shore Road
London, Ontario Canada
N6K 0C6
City / Town
London
State
Ontario
Country
Canada
Land phone
519 6413212
Website
http://www.Stewart-Hay.com

Background

College / University
U of M
Graduation Year
1968
Degree/Certifications
B Sc. M.E.
Skills and Expertise
A university trained Professional Mechanical Engineer, registered in the Province of Ontario, Canada.

A wire and cable manufacturing engineering specialist with over 35 years hands on experience.

Recent activities

  • kunena.thankyou 8 hours ago
  • Peter J Stewart-Hay replied to the topic 'Extruder Barrel Temperature Calibration' in the forum.
    Hello Mr. Lua,

    First you need to purchase a portable, precision thermocouple type temperature monitor certified for accuracy by your government standards and traced right back to the World SI standards. It should also have a sticker on it verifying same and showing when the next calibration date is due.

    Then you go around to each extruder and, while hot, check the thermocouple output of each zone and other temperature indicator such as the melt temperature. The portable temperature monitor should fully agree with each temperature monitor or controller on the extruder. Them you place a calibration sticker on each temperature controller or monitor on the extruder indicating that it has been calibrated and indicating that it must be renewed again in one year's time.
    Read More...
    kunena.post 1 day ago
  • Peter J Stewart-Hay replied to the topic 'Question about Wire Winding Procedure' in the forum.
    Hello Mr Jongguran Sondang Doli Noviedo,

    I have looked at your drawing but I cannot tell anything from it or about it. Is there a dancer or just a wire straightener?

    I suggest you click on the "WAI STORE" on the left hand side and purchase the following books and articles:

    Electrical Wire Handbook, Part 1
    Electrical Wire Handbook, Part 2
    We Do it Straight - Wire Straightening

    Then start reading!

    With regard to the second question, are you talking about capstans in a drawing machine? If so, you should be aware that a standard drawing machine is a non-positive device and thus more conductor is introduced to each drawing die than is necessary. This prevents wire breaks. The excess material slips back through the machine and the number of wraps is such to allow both the slip and the supply of conductor for the next drawing die. It is empirically determined.
    Read More...
    kunena.post 9 days ago
  • Peter J Stewart-Hay replied to the topic 'ADR / DDR' in the forum.
    Hello Ms Ali Hosseini,

    Please and understand these two web pages:

    www.bhtool.com/advisor-article2.htm
    www.bhtool.com/advisor-article3.htm

    Shrinkage is an entirely different factor.

    Thank you.
    Read More...
    kunena.post 9 days ago
  • Ms Ali Hosseini thanks user 'Peter J Stewart-Hay' in the forum message ' Re: calculation of tip & die'.
    kunena.thankyou 17 days ago
  • Peter J Stewart-Hay replied to the topic 'UL 94 VO' in the forum.
    Hello again,

    Well then, buy the specification and design your own cable according to the capability of your plant and company.

    Thank you.
    Read More...
    kunena.post 20 days ago
  • Peter J Stewart-Hay replied to the topic 'UL 94 VO' in the forum.
    Hello there;

    Use Google to find "Cable Manufacturers Ul 94 VO". There are lots of them but I am unsure who is pre-qualified for the American market.

    You will have to do your homework.
    Read More...
    kunena.post 22 days ago