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Metalworking
These groups are the best place for discussions about basic metalworking processes such as machining, welding, casting, blacksmithing and other aspects of working with metals.⏣ General Metalworking
What is it? Set 498
by Rob H.Just posted this week's set: http://55tools.blogspot.com/ Rob read more »
⚡ Welding Forums
Bucks/Bangs
by SnagIt looks like I may be in the market for a TIG machine in the near future . Main materials I'll be welding will be SS up to maybe 1/4 and aluminum up to probably about the same . According to E... read more »
⏣ Metalworking Craft
Denham lathe pictures
by Stephen[IMG]http://www.polytechforum.com/img/2w[/IMG]shaft at the back of the lathe [IMG]http://www.polytechforum.com/img/2x[/IMG] Denham makers name [IMG]http://www.polytechforum.com/img/2y[/IMG]General vi... read more »
⚒ Blacksmithing - wrought iron and steel discussions
cutting edge insert
by chasI don't see why a piece of a file or rasp would not work if it is inset into the edge of a woodworking tool, so that the cutting edge can be heat treated to make it hold an edge. . . . Anyone ha... read more »
Metallurgy discussions
Boron steel
by alvinjI was given almost 100 feet of Bandsaw blade a guy here on s.e.m. tested it for me and it turns out to be a Boron steel... 0.07%C 0.68%Mn 0.002%B! 0.27%Si 1.15%Cr 1.05%Mo 0.67%Ni 0.17... read more »
Engineering and Science
These forums contain more advanced engineering and science topics, including physics and chemistry.⏚ Electrical Engineering
Video tutorial about phasors application and AC signal power...
by pchung705http://www.youtube.com/watch?v=HLsVkM3oIC0 read more »
⚙ Stationary Engines - UK
Corbett root chopper
by liamhoskin79I have recently acquired a root chopper made by S. Corbett & sons from Wellington, Salop. I'm trying to find out any information I can about it. It had been dressed up as a garden ornament and i'm t... read more »
⚗ Material Sciences
Honeywell's Desalination Using Graphene?
by Bret CahillSupposedly desalinates water with very little pressure . Very low pressure drop = fresh water problems are completely over. Is there anything to this? Bret Cahill read more »
⚙ Mechanical Engineering
Ski Lift Public Transportation for Temperate Climates
by Bret CahillLight rail takes decades of bureaucratic wrangling before the first passenger ride, requires a large footprint of valuable urban space, accelerates orders of magnitude more steel than flesh and gen... read more »
⚗ Polymers Forum
what melamine overlay paper is made of?
by sm_ghavihi I want to design my own melamine overlay paper for dinnerware, but nobody in my area knows or is not willing to give info on how this is done. I do not want to put the design on the finished produ... read more »
Computer-Aided Design and Manufacturing
Discussions about CAD/CAM, CNC, 3D modelling and other computer technologies used in design and manufacturing.General Robotics Forum
How do I prevent the robot from jiggling around?
by cadcoke5I don't know what the proper technical term is, so I will call it jiggle for now. I am making a puppet that is using industrial servo motors. However, the motion is not as smooth as I would like. ... read more »
⧑ Industrial Control Group
Fun with Superconductors
by Tim WescottNeat demo: http://www.youtube.com/watch?v=Ws6AAhTw7RA Way cool demo. I want one, in fact. -- My liberal friends think I'm a conservative kook. My conservative friends think I'm a liberal kook.... read more »
⋐⋒⋐ Computer Numeric Control
Re: Ping Ed: Inneresting demographics/map tool
by SnagIn a 25 mile radius of my new zip , we have just under 38K souls and 1600 businesses ... we live in the sticks . I like it that way . And yet we have an industrial supply in town that can get j... read more »
Solidworks CAD Design software
Interesting Vices
by jon_banquerMade in the USA from Dura-Bar. They are expensive (quality usually is) Think it's worth it? https://www.youtube.com/watch?v=S5p4m2qT0-o read more »
AutoCAD discussions
Diameter circle
by ElectronHi everyone, Learning AutoCAD 2013. Please a little help. The aim is to get the diameter circle, but the line must go through the circle as the bisecting into 2 parts, not as an arrow that touche... read more »
PRO/Engineer (Creo) discussions
Custom Variables for CALLOUT_FORMAT in .hol Files
by Garrison BurgerIs there any way to add a custom variable to each FASTENER ID that I can use in specifying CALLOUT_FORMAT? I am trying to make a table for STI tap holes, for both UNC and UNF threads. I would like t... read more »
Model Engineering
Application of engineering and manufacturing technologies to creating scale models and small machines and mechanisms. Various hobbies that require the use of machining, casting and other processes also used in manufacturing, are discussed here.⚙ Model Engineering in the UK
long thin hole drill
by- Peter Fairbrother
Drills a long thin hole .. http://www.ebay.co.uk/itm/Energer-ENB465DRH-4-8kg-SDS-Plus-Rotary-Hammer-Drill-230-240V-/300916326192?pt=UK_Home_Garden_PowerTools_SM&hash=item461002bf30 -- Peter F read more »
Model Railroad Forum
Train Sounds
by- Paul Howard
I am interested in downloading specific railroad sounds onto my ipad so I can add train sound to my BBQ Train. If you have any suggestions, please let me know. Check out bbqtrainrental.com for a lo... read more »
Scale modeling discussions
ARM: Review - Vulcan Scale Models 1/35 scale STZ-5 Soviet Ar...
byKit Review: Vulcan Scale Models 1/35 scale Kit No. 56010; Soviet Artillery Tractor STZ-5; 241 parts (208 in grey styrene, 15 etched brass, 10 clear st yrene, 7 steel springs, 1 length of nylon cor... read more »
Model railroading in the UK
Block Instruments
byI wonder if anybody has produced the semblance of block instruments (Clear / Blocked / Train On) by using cheap radio control servos to swing the pointer? Also, would these servos move fast enough... read more »
✈ RC aircraft models
Glow to electric conversion
byI have been searching and reading all I can about how to choose motor size for a plane that has been specified for a certain size glow engine. Although the information I have been able to find is b... read more »
Model rockets forum
rec.models.rockets FAQ Part 02 - Names and Addresses
byArchive-name: model-rockets/addresses Rec-models-rockets-archive-name: rockets-faq/part02 Posting-Frequency: weekly Last-modified: 2002 May 14 URL: http://www.ninfinger.org/~sven/rockets/rmrfaq.t... read more »
⚃ Lego Mindstorms Discussions
LEGO 3D Milling Machine
by- passerby
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 »
⚃ Using Lego and compatible building blocks
Need directions on for a Tyco cargo ship.
byI have remnants of a tyco ship that I really could use info for. Such as how many pieces and which kind. I've looked at several sites but they don't mention this particular model. The decal that's on... read more »
International Engineering (BETA)
We provide access to several professional and hobby engineering newsgroups in languages other than English. Due to heavy use of technical and scientific terms, these discussions are relatively easy to translate to the language of your choice. Please note: support of groups in languages other than English is still in BETA. Some features, such as post and reply, are not currently working in the international forums.⏚ Electrical Engineering (German)
PC Netzteil in Desktop-Gehäuse ohne Schalter
by- Martin Klar
Hallo Zusammen, weiß jemand, wie ein Netzteil obiger Art (klein, eher länglich) mitbekommt, ob ein PC per Wake-On-LAN aufweckbar ist? Oder bekommt bei dieser Art Netzteil das Mainboard immer Str... read more »
⚙ General Engineering Forum (German)
Druckgeräterichtlinie: Modulbestimmung als Excelformel
by- Heiner Veelken
Hat vielleicht jemand parat, wie ich mittels Excel oder Numbers das anzuwendende Modul abhängig von Fluidgruppe, PS, Volumen, etc. bestimme? -- Gruss Heiner read more »
⏚ Electrical Engineering (French)
[Charte] fr.sci.electrotechnique
by- L'equipe fr-chartes
Archive-Name: fr/chartes/sci.electrotechnique Bonjour, Le groupe fr.sci.electrotechnique est un groupe non-modéré qui a été créé le 28 novembre 1999. Le bon fonctionnement de ce groupe Ã... read more »
RC and scale modeling (German)
Quadrocopter mit Pitchsteuerung
by- Rainer Wahl
Jetzt werden sie wieder Hubschrauber ähnlicher, weil mit voller Pitchsteuerung: -=( Rainer )=- -- Airbrush FAQ: www.rainer-wahl.de/airbrush/faq.php Baubericht ME-109: www.rainer-wahl.de... read more »
RC and scale modeling (French)
[Conseils d'utilisation] fr.rec.modelisme
by- J.F PION
Archive-Name: fr/chartes/rec.modelisme ======================================================================= = Conseils d'utilisation du forum fr.rec.modelisme = ==========... read more »
RC and scale modeling (Italian)
[MANIFESTO] it.hobby.modellismo
by- Gruppo Coordinamento NEWS-IT
In fondo a questo articolo, inviato automaticamente ogni mese, troverai il manifesto di questo newsgroup (it.hobby.modellismo). Tutto questo è arabo per te? leggi . Tieni presente che esistono a... read more »
RC and scale modeling (Polish)
Oski serw
by- kogutek444
Czy zna ktoÅ› stronÄ™ z rysunkami technicznymi wielorowków jakimi zakoÅ„czone sÄ… oÅ›ki serwomechanizmów Hiteca. Zrysowanie i zmierzenie bez mikroskopu warsztatowego jest niemożliwe. A akurat ... read more »
Engineering Science (Polish)
Elektrowrzeciono?
by- Robert Wańkowski
http://imageshack.us/a/img42/3156/1mha.jpg Jest takie coÅ› na A. Chyba to nie jest elektrowrzeciono. Widać stożek i klin na nim. NapÄ™d czegoÅ›? SprzedajÄ…cy nic nie wie. Co to za pokrÄ™tÅ‚a z... read more »
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