Sheet steel laser cutting?

If you have a laser cutting machine that can cut a steel sheet up to 10 mm thick, is it possible to cut a 20 mm steel sheet in two consecutive passes? If the answer is yes or no, why?

09 October 2019 9,277 3 View

Lubrication regimen in pin on disk test?

I know that a way to establish the lubrication regime in a pin on disk test is by measure the resistance between the pin and the disc. Some papers say that if the resistance is of 2 ohm, the...

05 June 2019 7,779 3 View

How to create a mechanical engineering graphical abstract ?

Hi People. Here in RG there is a similar question but for works in biology. Some of you know if is there any software available to design mechanical engineering graphical abstracts ? Something...

31 December 2018 3,415 2 View

Warm forging of SAE 1045 steel?

Hi People. I need to know the temperture range for making warm forging of SAE 1045 steel.

31 December 2018 4,546 0 View

Hot forging dies made by SAE H13 tool steel?

Please. I need to know what level of hardness provide a equilibrated behaviour between wear resistance and toughness. Also, if a ionic nitriding treatment reduce the friction factor between the...

10 November 2018 6,466 1 View

Redes neuronales artificiales?

09 October 2018 8,748 0 View

Turning of low carbon steel?

People. I need your colaboration. What value of hardness do you think is the minimal to not worsen the maquinability level of the steel? I work with steel of 0,1% C. I some of you have a paper, is...

08 September 2018 9,234 3 View

How do I assess ignition risk during magnesium turning?

Some people say that the risk is bigger when the chip particles size are 500 micrometers or minus? What is the reason of this size?

07 August 2018 7,570 0 View

Recrystallization temperature of one steel?

Please. I need information about the recrystallization temperature of SAE 1010 steel, and also the temperature range for warm forging.

05 June 2018 5,685 3 View

Testing methodology of surgical drills used in bone applications?

Hi People. I need your help in relation to obtain technical information about testing methodology of surgical drills used in bone applications. This information may be standards, papers, and so...

02 March 2018 2,232 6 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

12% ledeburitic cold work tool steel, etched for revealing retained austenite, any help for clarifying?

Hello everyone. Given microstructure image belongs to a 12% ledeburitic cold work tool steel (annealed and tempered). The sample was etched with picral (100 mL ethanol and 4 g picric acid). I...

02 March 2021 4,119 3 View