Welcome to Online Community for Engineers and Metalworking Enthusiasts

Some of our best rated resources

Have a question or want to start a discussion? Post it! No Registration Necessary

PolyTechForum.com website provides free, on-the-go reading and posting access to 32 Usenet discussion groups, completely anonymously and without requiring registration.

Metalworking

millermatic 175

posted on 03-22-2019

machine will run for three minutes then shuts down for five minutes with the machine under no load,is there a thermo switch on the board that could be bad? read more »

CO2 mig versus gasless mig

posted on 03-22-2019

Tried to ask google and get nowhere (get answers comparing argon mixes etc but none answer the direct question. I have a co2 bottle and can not afford any argon mixes as Australian gas suppliers... read more »

Aud

posted on 12-25-2017

Hi my name is Jim, Just got a used Aud,Added an inverter and pendant, going to to run the pump strait off 240 with a cap across motor. 30 years since I did any turning lol. Slooo looking forward to... read more »

Is this a forum where I can ask questions about steel metallurgy?

posted on 02-01-2019

I am a retired chemist and amateur blacksmith. My actual knowledge of stee l metallurgy is minimal, but I'm now reading up on the subject. I always f ind it useful to ask questions of those who k... read more »

Table of RPM for drill size

posted on 03-23-2016

Is there a url around of a nice table of rpm for each drill size for the various material. Each time I need to use the vertical drill I figure it out, but it would be handy to final attack such ... read more »

Engineering and Science

MV Distribution w/Floating Neutral?

posted on 03-20-2019

Hello, all. I was in Cedar Rapids, IA recently (I don't reside there) traveling along Rt. 100 (Collins Rd) in northeast of downtown. I noticed utility poles with a single cross arm accommodatin... read more »

Is there anybody out there...?

posted on 12-30-2018

This group seems a little moribund - anyone really still using it? -- Paul Cummins - Always a Nethead Wasting Bandwidth since 1981 read more »

an introduction to analysis of financial data with r solutions ruey s. tsay

posted on 01-29-2019

an introduction to analysis of financial data with r solutions ruey s. tsay The Solutions Manual ( Instructor Solutions manual ) includes full solution s for the following titles in PDF. you can s... read more »

Nonlinear Programming 2nd Edition by Dimitri P. Bertsekas

posted on 10-05-2018

trustsolutionsteam@hotmail.com t r u s t s o l u t i o n s t e a m @ h o t m a i l . c o m trustsolutionsteam(at)hotmail.com We're a team found for providing solution manuals to help students i... read more »

Reinforced Thermoplastic Pipe Market 2018 Global Analysis with Top Key Players- Technip, Cosmoplast, Polyflow, PES.TEC, Aerosun

posted on 11-21-2018

The report Reinforced Thermoplastic Pipe Market by Key players highlights t he essential market dynamics of Reinforced Thermoplastic Pipe Market sector . The efficiency of this segment has been stu... read more »

Computer-Aided Design and Manufacturing

Free training videos for learning Solidowrks grasshopper / Rhino / Kinetic Architecure

posted on 02-19-2019

Hi, here are some beginner training videos for learning Modo / Rhino / Solidworks (soon GH) : https://www.youtube.com/user/tgroppi Best Thomas read more »

[CALL FOR PAPERS] IEEE/WIC/ACM International Conference on Web Intelligence (WI'19) 14-17 OCTOBER 2019 Thessaloniki, GREECE

posted on 03-15-2019

IEEE/WIC/ACM International Conference on Web Intelligence (WI'19) 14-17 OCTOBER 2019 Thessaloniki, GREECE https://webintelligence2019.com/ Sponsored By: Web Intelligence Consortium (WIC) .. read more »

test (sorry)

posted on 01-21-2018

Sorry for the test. I'm trying to find out why I'm not seeing anything on alt.machines.cnc read more »

Autocad 2017, enlarge distance between two parallel lines

posted on 06-10-2018

Hi to everybody! I have to parallel line and I need to enlarge the distance from the second above line to the first one below it without delete one of them by using offset tool, how could I do i... read more »

Free telemetry packet processing software (TPS)

posted on 11-04-2018

Free telemetry packet processing software See the zip file 'TPSDIST.ZIP' free download at: http://www.microscitech.com towards bottom of home page We stopped developing TPS in 2009, when it ran ... read more »

Packaging Services | Card Board |Corrugated Board Packaging | Dot2Dot

posted on 08-31-2017

Art Card Packaging Any packaging sizes, designs and shapes, we can do it without any problems. With our talented designers and high technology engines, any packaging typ es are possible for us. R... read more »

Model Engineering

Airfix Bristol Blemheim Mark I-F in 1/48

posted on 03-18-2019

Has anyone built this kit? The reviews I've read look promising. Also is anyone aware of any plans by Airfix to issue a Mark IV kit read more »

DTH and Rotary Drill Rig Suppliers

posted on 02-23-2019

Looking for a company which supply Drill Rigs at affordable cost? Then here you go you are at exact place Focus Mining Services are suppliers of DTH & Rotary Drill Rigs in Both Australia & South ... read more »

75 year collection

posted on 12-22-2018

does anyone know if there is a limit as to the number of downloads that you can do with this collection. after loading it on my computers in house (for backup) then I started getting error ... read more »

Revisiting the Road Rail Tank Project

posted on 08-14-2018

Hello all I was looking for any possible info on the internets about the 31 Guinness Tanks built by BR 1951-1955 and I've stumbled across posts made by Mike Smith, I think he's the one with the long ... read more »

Waste Suds

posted on 03-18-2019

I have a bucket of emulsified cutting fluid some of it is liquid some jelly like. How do I dispose of it sensibly without paying silly money to a specialised contractor. Richard read more »

Jacob Sparre Andersen has passed away

posted on 12-17-2018

I have been asked to announce to this group that Jacob Sparre Andersen has passed away from stomach cancer on Sunday 16th of December 2018. Jacob was admitted to hospital only a month ago, and des... read more »

LEGO 3D Milling Machine

posted on 03-31-2013

Saw this in another group, could not resist re-posting here: http://youtu.be/oF0pMILT7_Y NXT-based. Given that it's Easter today, can't resist the temptation to compare it to the Eggbot - similar des... read more »

International Engineering (BETA)

Frage wegen LED Rhre, ist es zulssig, die se einseitig an 230V anzuschlieen?

posted on 02-21-2019

Hallo, Versorgungsanschluss und am anderen Ende einen Kurzschluss damit man sie kann. Der Starter wird dabei durch einen Kurzschlussstecker ersetzt und die Drossel verbleibt in der Zuleitung. W... read more »

[MANIFESTO] it.hobby.modellismo

posted on 03-18-2019

In fondo a questo articolo, inviato automaticamente ogni mese, troverai il manifesto di questo newsgroup (it.hobby.modellismo). . Tieni presente che esistono anche questi newsgroup it.test ... read more »

Angefangener Delorean Modellbausatz

posted on 03-17-2019

Hallo, ich habe das Delorean Modell angefangen, aber habe festgestellt, dass es f gnet ist. Ich habe bis Heft 12 gearbeitet, wo zwei Teile nicht zusammenpass en (an den Teilen ist wohl zuviel Lack... read more »

Dom 200m od linii 400kV

posted on 03-18-2019

Z jednej strony 200m to daleko, ale to jednak 400kV. http://fenix.univ.rzeszow.pl/bober/pliki/artykuly/pem.pdf L. read more »

[Conseils d'utilisation] fr.rec.modelisme

posted on 03-02-2019

Archive-Name: fr/chartes/rec.modelisme ======================================= read more »

Fehler bei Wasser"uhren"

posted on 12-11-2018

n ls Integral? Genauer: r Fehler mehr sondern unerkannter Verbrauch. Hat er recht? Danke Axel -- / Mail | -- No unannounced, large, binary attachments, please! -- read more »

[Charte] fr.sci.electrotechnique

posted on 03-02-2019

Archive-Name: fr/chartes/sci.electrotechnique Bonjour, 28 novembre 1999. =============== CHARTE DU FORUM ============&# read more »

Polytechforum.com is a website by engineers for engineers. It is not affiliated with any of manufacturers or vendors discussed here. All logos and trade names are the property of their respective owners.