مجتبی ورشاوی2
عضو جدید
مهندس ورشاوی یک سوال داشتم اگه امکانش هست جواب بدین
شما خودتون ترجمه میکنید یا برنامه خاصی دارید؟ اگه با برنامه ترجمه می کنید اسم برنامتون چیه ؟
حق با دوستمان ebrahimsakht است.
مهندس ورشاوی یک سوال داشتم اگه امکانش هست جواب بدین
شما خودتون ترجمه میکنید یا برنامه خاصی دارید؟ اگه با برنامه ترجمه می کنید اسم برنامتون چیه ؟
سلام دوست عزيز به جاي ماهي دادن ماهي گيري ياد بديددوستان لینک منبع خود را بگذارید وترجمه را دراین تایپیک دریافت کنید با امکانات کامل ترانسلیت درخدمتیم )
سلام دوست عزيز به جاي ماهي دادن ماهي گيري ياد بديد
دوستان با سرچ google translate , ورفتن به آن سايت متني راكه ميخواهيد ترجمه كنيد به انگليس يا هرزبان ديگري قرار دهيد .(يا برعكس)به راحتي كل متن شما ترجمه ميشود.
ميخواي كه يادت بدم ...واقعاً حرف جالبی زدید باعث شدید کلی بخندم
باتشکر ازشما
ميخواي كه يادت بدم ...
شد همان حرفی که جناب ebrahimsakht زد .6.2 پویا دوباره پیکربندی
استفاده مهم از دانش است قابلیت ردیابی در پیکر بندی دوباره از گردش با تغییر محیط کسب و کار و فرایندهای. به یاد بیاورید ، از مطالعه مورد ما که سازمان ممکن است مجبور به حرکت از تولید به علت تغییرات در محیط برون سپاری. در مثال ما ، تغییر در صحت این فرض که برون سپاری این محصول ممکن است در از دست دادن صلاحیتهای اصلی و اعتبار این فرض است که آن را ارزان تر است به انجام این کار ممکن است حرکت را به برون سپاری و نه تولید منجر شود. پیکر بندی دوباره پویا از گردش کار که از آن در شکل 1 نشان داده شده که در شکل 2 ، در این مثال نشان داده شده ، می تواند با سیستم ما تنها با تغییر در اعتبار این فرض پشتیبانی می کند. سیستم ما با استفاده از یک سیستم نگهداری و تعمیرات به دلیل انتشار اثر تغییر در یکی از اجزای فرایند دانش را بر روی دیگر. در این مثال خاص ، سیستم می تواند نشان می دهد که متن تغییر باید شامل اجرای گردش کار مشخص شده در شکل 2.
6.3 حفظ تمامیت
مسئله مهم دیگر که در تحلیل ما مشکل در حفظ یکپارچگی از گردش کار در سراسر مرزهای سازمانی و کار است. به عنوان مثال ، در شکل 5 ، تغییر در فرایند تولید ، کنترل را به برون سپاری شامل مفهوم برای گردش کار در زیر سیستم های دیگر مانند سیستم حسابداری در ماژول مالی. به یاد بیاورید که واحد محاسبه هزینه در این ماژول فرض می کند که این محصول را در خانه تولید می شود. با این حال ، با تغییر در فرآیند کسب و کار را به برون سپاری این فرض باطل می شود حرکت می کند. ساخت / خرید تصمیم گیری ساخته شده در زمینه تولید ، در اثر ، بر گردش کار برای هزینه های واحد محاسبات است. سیستم ما فراهم می کند که توانایی مدیریت وابستگی مانند است. زمانی که گردش کار در فرایند تولید ، کنترل تغییر سیستم به کاربر در مورد درگیری های احتمالی که می تواند بوجود می آیند سریع. در صورتی که عواقب می تواند به طور رسمی مدل ، سیستم همچنین می تواند یک گردش کار را برای پیکربندی مجدد فرایند حسابداری نشان می دهد.
در حالات مختصر در اینجا شرح داده ، از قابلیت های این سیستم را به آدرس سه موضوع کلیدی در ارتباط با مشخصات گردش کار و نگهداری هستند نشان داده شده
مهندس عزیز کلمات پس وپیش دیگه به عهده ی استفاده کننده است.من کارمندم ووقت ندارم ولی کل این ترجمه فک کنم 30 ثانیه وقت بردچون متن رو کلمه به کلمه ترجمه میکنه.استفاده کننده هم یه کم بایس زحمت بکشه
به طور کلی پوشش های تفلون ، بقیه ی فلوروکربن ها و نچسب از طریق روشهای سنتی رنگ پاشی و یا رنگ پودری (الکترواستاتیک) روی موادباسلام و عرض خسته نباشید فراوان
بی زحمت ترجمه ای:
Teflon and other fluorocarbon and "non-stick" type coatings are mainly applied by traditional painting or powder coating techniques, then hot cured in ovens. These products are not easily applied by thermal spray, although they can benefit from a thermal spray metallic or ceramic coating as a base coat
Conventional PTFE coating is consisted of spraying the solved liquid teflon on the surface and heat the coated surface in an oven for several ours like what we do in IRAN in " Leab dadne ceramic va pokhtan dar koore" however you could you spray molten teflon on to the surface which is known as thermal spray or hot spray.
To find more info you could search "teflon spray coating", "non-stick coating", "thermal spray coating", etc.
http://www.syntheticcoatings.ie/Page.asp?PageID=8
here you may find some practical info
I am so sorry for writing in english as I cannot type in persian and need to follow the forum's rules
Thermal Spray
Thermal spray coating involves the use of a torch to heat a material, in powder or wire form, to a molten or near-molten state, and the use of a gas to propel the material to the target substrate, creating a completely new surface. The coating material may be a single element, alloy or compound with unique physical properties that are, in most cases, achievable only through the thermal spray process.
Thermal spray coatings are a highly cost-effective and straight-forward method for adding superior properties and performance qualities to a given engineering surface. The variety of products and coatings that can be enhanced by thermal spray are virtually limitless. The coatings are usually metallic, ceramic, carbides, or a combination of these materials to meet a range of physical criteria.
Thermal Spray Wire
MaterialHardness and Bond StrengthTypical Characteristics and ApplicationsCopper37 Rb
7324 PSIElectric conductivity;
Copper reclamation;
Used as alternate to copper platingMolybdenum14-36 Rb
5496 PSIAbrasion resistance;
Excellent adhesion to steel;
Excellent in molten metal environment in inert atmospheresCarbon Steel97-100 Rb
5700 PSIDimensional restoration of mismachined and worn partsTungsten Carbide52 Rc
6700 PSIExcellent bond strength;
Abrasion resistance;
Dredge cutter blades
FUNCTIONAPPLICATIONCOATINGWear ResistanceAdhesive WearBearings, piston rings, hydraulic press sleevesChrome Oxide, Babbit, Carbon SteelAbrasive WearGuide bars, pump seals, concrete mixer screwsTungsten Carbide, Alumina/Titania, SteelSurface Fatigue
WearDead centers, cam followers, fan blades (jet engines), wear rings (land based turbines)Tungsten Carbide, Copper/Nickel/Indium Alloy, Chrome CarbideErosionSlurry pumps, exhaust fans, dust collectorsTungsten Carbide, StelliteHeat ResistanceBurner cans/baskets (gas turbines), exhaust ductsPartially Stabilized ZirconiaOxidation ResistanceExhaust mufflers, heat treating fixtures, exhaust valve stemsAluminum, Nickel/Chrome Alloy, HastelloyCorrosion ResistancePump parts, storage tanks, food handling equipmentStainless Steel (316), Aluminum, Inconel, HastelloyElectrical ConductivityElectrical contacts, ground connectorsCopperElectrical ResistanceInsulation for heater tubes, soldering tipsAluminaRestoration of Dim.Printing rolls, undersize bearingsCarbon Steel, Stainless Steel
Click here for more information on the properties of Teflon© coatings. Online enquiry form
Synthetic Coatings Ireland's engineers will assist you in determining a suitable coating for your application. Take five minutes to complete our online form and we will respond the next business day - click HERE to go to the enquiry form.
ویدونم پخش پیلیه ولی دمتون گرم سریع تر
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Teflon® is known for it's amazing non-stick characteristics. The advantages are: improved product quality, less clean up time, and no doctoring.
The On Machine Seaming (OMS) with dryer covers made with Teflon® FEP provide the best release on the first two dryers after the size press and coaters. Dryer covers also reduce unwanted draw between dryers.
The dryer's surface is first cleaned to provide a good surface for bonding. The heat shrinkable film is then rolled around the dryer and the sealer is put in place. The film is then sealed to complete the tube. The seal's strength is as strong as the material itself.
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The dryer is then heated up to 250°F shrinking down the sleeve.
The roll cover is bonded to the dryer by injecting the adhesive under the end of the sleeve. It is then cured at maximum temperature.
The complete installation is accomplished in 8-12 hours, leaving a smooth as glass finish.
Common questions and answers on next page
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TEFLON® PEP is a registered Trademark of E. I. du Pont de Nemours Company and is used under license by Fluoron, Inc.
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Frequently Asked Questions
1. What are the advantages of "Tef/on®" on a dryer?
2. Does the dryer need to be removed from the machine for installation?
4. Will there be any picking or build-up, which would require doctoring?
4. Will the sleeve reduces unwanted draw between dryers?
5. Can I increase my dryer temperature without picking or build-up and increase machine speed.
6. How long does it take to install a FLUORON, INC. sleeve?
7. How strong is the seam?
8. How thick is the "Tef/on®" film?
9. Would this cover be satisfactory for resurfacing a dryer that has grooves and pitted areas?
1 O. "Tef/on®" is an insulator. Will this affect drying?
"Tef/on® FEP' is known for it's amazing non-stick characteristics. The advantages are: improved product quality, less clean up time, and no doctoring.
No. With O.M.S. (On Machine Seaming) the dryer remains on the machine.
No. Remember, clay, starch, and coating will not stick to a dryer with a FLUORON, INC. sleeve made with "Tef/on® FEP'. No doctoring is needed.
Yes. A roll cover made with "Tef/on® FEP' will help reduce the sheet's tendency to hang on and follow the dryer.
Yes. Often dryer temperature has been decreased to reduce "picking". With "picking" eliminated, the temperature and speed can be increased.
Once cleaning and preparation of the dryer is complete, a sleeve can be installed in 8 to 12 hours.
FLUORON, INC. seams are virtually undetectable. The seal strength is as strong as the material itself.
A .020" thickness of FEP film is standard. FLUORON, INC. has the capability to make a thinner or thicker sleeves up to .125" for special applications.
The cover made with "Tef/on® FEP" leaves a glass smooth finish, eliminating corrosion while filling grooves and pits with adhesive.
In 1965, the first roll cover of "Tef/on®" was installed on a dryer. There have never been any problems with drying. In fact, drying temperature can be turned up to increase drying capacity.
TEFLON® PEP is a registered Trademark of E. I. du Pont de Nemours Company and is used under license by Fluoron, Inc.
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تفلون، یکی از پر کاربردترین و معروفترین دستاوردهای مهندسی شیمی در امریکا، به صورت اتفاقی کشف شد. از این دسته نمونه ها در تاریخ مهندسی شیمی بسیار میباشند از لاستیک vulcanized گرفته تا ساخارین و Post-Its (خداوکیلی نمیدونم تو فارسی به این چی میگن تو اینترنت سرچ کن میفهمی چیه). تمام این دستاوردها در حالی کشف (یا اختراع) شدند که محققین به دنبال تولید ماده ی دیگری بودند. آنها (محققین) مواد مختلفی را به صورت تصادفی با یکدیگر مخلوط می کرده اند تا اینکه ناگهان به چنین مواد با ارزشی رسیده اند (یعنی اینکه همینطوری مواد رو با هم قاطی میکردند بدون هیچ برنامه ای تا اینکه یهو یه چیز بدرد بخور از توش در بیاد).Making Teflon Stick(This article appeared in Invention & Technology magazine, Summer 2000 www.americanheritage.com and I highly recommend the magazine
One of the most versatile and familiar products of American chemical engineering, Teflon, was discovered by accident. There are many such tales to be found in the history of industrial chemistry, from vulcanized rubber to saccharin to Post-Its, all of which were stumbled upon by researchers looking for other things. So common, in fact, are unplanned discoveries of this sort that one might expect would-be inventors to simply mix random chemicals all day long until they come up with something valuable. Yet the circumstances behind the Teflon story show how each step along the way drew on the skills and talents of workers who were trained to nurture such discoveries and take them from the laboratory to the market. Teflon was developed at Du Pont, the source of many twentieth-century chemical innovations. It came about as a byproduct of the firm’s involvement with refrigerants. In the early 1930s a pair of General Motors chemists, A. L. Henne and Thomas Midgley, brought samples of two compounds to the Jackson Laboratory at Du Pont’s Chambers Works in Deepwater, New Jersey. The compounds, called Freon 11 and Freon 12, were chlorofluorocarbons (CFCs)—hydrocarbons in which some or all of the hydrogen was replaced with chlorine or fluorine. GM’s research laboratories had developed the family of Freons for its Frigidaire division, which made refrigeration equipment. They were meant to replace existing refrigerants such as ammonia, sulfur dioxide, and propane, which were less efficient than Freons and either too poisonous or too explosive for residential use.
Having made the basic discovery, GM teamed up with Du Pont to take advantage of the latter’s expertise in manufacturing and research and development. The two companies formed a joint venture called Kinetic Chemicals, which by the mid-1930s had isolated and tested a wide range of CFCs and put the most promising ones into mass production. The best seller was refrigerant 114 (later called Freon 114), or retrafluorodichloroethane (CF2ClCF2Cl). Kinetic had agreed to reserve its entire output of Freon 114 for Frigidaire, so in the late 1930s Du Pont was looking for an equally effective refrigerant that it could sell to other manufacturers. One of the chemists assigned to this project was the 27-year-old Roy J. Plunkett, who had been hired in 1936 after completing his doctorate at Ohio State University.
Plunkett was working on a new CFC that he hoped would be a good refrigerant. He synthesized it by reacting tetrafluoroethylene (TFE), a gas at room conditions, with hydrochloric acid. To further this research, Plunkett and his assistant, Jack Rebok, prepared 100 pounds of TFE and stored it in pressure cylinders, to be dispensed as needed. To prevent an explosion or rupture of the cylinder, they kept the canisters in dry ice.
On the morning of April 6, 1938, Rebok connected a canister of TFE to the reaction apparatus he and Plunkett had been using. His standard procedure was to release some TFE into a heated chamber and then spray in hydrochloric acid, but this time, when he opened the valve on the TFE container, nothing came out. A cursory examination did not reveal anything wrong with the valve. Had the gas somehow leaked out? Rebok and Plunkett weighed the cylinder and discovered that most of the gas was still inside. They fiddled with the valve some more, even using a wire to unclog it, but nothing happened.
Thread starter | عنوان | تالار | پاسخ ها | تاریخ |
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كسي يه هندبوك زبان فني نداره البته ترجمه شده 500 امتيازم ميدم | ساخت و تولید | 0 | ||
N | درخواست ترجمه یک تعریف فنی | ساخت و تولید | 0 | |
S | کمک درباره ساخت صفحه گیر(permanent magnetic lifter) | ساخت و تولید | 0 |