leptanie nereze

[michal lukac]

ale potreboval by som to "homemade" a laser doma nemam.....:)

----- Original Message ----- 
From: <turby@chips.cz>
To: "HW-news" <hw-list@list.hw.cz>
Sent: Wednesday, March 02, 2005 3:15 PM
Subject: Re: leptanie nereze


Zdravim,

 v tom pripade se bezne pouziva gravirovani laserem...

--
 turby@chips.cz

2. března 2005, 15:04:57, napsal jste:

> No prave na panel to nema byt.....na privesky, a tomu farbeniu som sa 
> chcel
> vyhnut.
> ale aj tak dik za odpovede..... sksusim to vyleptat v Fe2Cl3

> hodne o chemickom dokoncovani je na www.finishing.com ak by to niekoho
> zaujimalo....

> napr. http://finishing.com/72/76.shtml
> Electrolitic colour for SS(Ni/Cr 18/8):

> H2SO4........1 lit
> Na2Cr2O7......7,5 gm     (ma toto nejaky nazov?)
> 7o-95 C/o,o6 A/dm2-1,3V,object=anode,cathode=lead   -> ale tomuto moc
> nerozumiem: 7o-95 C/o ...:(((

> Colour sequence:brown-blue-yellow-redish brown-purple-green. -> a tomuto
> tiez... :((



> alebo pre leptanie napr......

> --------------------------------

> Well you can use 1:3 solution of HCl with water and use a rectifier with 
> low
> D.C. current of 6 volts with s.s the cathode and the work piece as anode
> then check for the depth required. Good luck.

> --------------------------------

> etching stainless steel

>   for microstructure use marbles reagent
>   200 cm of water with 40 g of copper(11) sulphate in 200 cm of HCl (35%)
>   for stock removal use a ferric chloride mix consisting of
>   11 gallons of 60% ferric chloride
>   10 gallons of HCL
>   and 4 gallons of nitric but be careful ferric chloride is a pitting 
> agent
> M.

> ----- Original Message ----- 

> From: <turby@chips.cz>
> To: "HW-news" <hw-list@list.hw.cz>
> Sent: Wednesday, March 02, 2005 1:31 PM
> Subject: Re: leptanie nereze


> Zdravim,

>  jeste je mozne panel gravirovat jak mechanicky tak i laserem.
>  Pripadne pak vyplnit barvou. Oboje vypada pomerne dobre.

>  Hledejte "gravirovani laser"

> --
>  turby@chips.cz

> 2. března 2005, 11:19:08, napsal jste:
>> Da se leptat silnou kyselinou dusicnou (cca 95%) Problem je, ze
>> bezne sezenete nejvic nejakych 65% a priprava silnejsi je dost
>> nechutna zalezitost. A taky to nefungovalo vzdy, asi neni nerez jako
>> nerez. Osvedcilo se mi piskovani. Nechate si motiv vyriznout z
>> obycejne reklamni folie a v kazdem lepsim sklenarstvi Vam to na
>> pockani vypiskuji. Vysledek je mnohem kontrastnejsi nez leptani,
>> pripadne jde do vypiskovanych ploch "vetrit" nejaka tmavsi barva.



>>> > Vedel by mi niekto prosim poradit v com by sa  dala najlepsie leptat
>>> > nerez?


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