Removing bubbles from laser tube

kirill's picture
Submitted by kirill on Tue, 03/11/2014 - 10:53

Laser tubes should not be operated with air trapped within cooling piping as this can cause temperature hotspots and compromise integrity of the tube.

In ideal world, stream of water would remove all the bubbles but in our reci tube there are some welding spots where water becomes turbulent and traps pretty large air bubbles. This trapped air is very hard to remove.

To remove those you can:

Wait

If you wait long enough they will disolve themselves, but it can take hours!

Tilt

You can turn off chiller and tilt entire cutter, all you need to do is get bubbles moving couple of inches away from blocking spot. Obviously this method is only feasable if you have small cutter or someone really strong  (like Vladimir Putin) in your workshop.

Pump cycle

Turn pump on and off, quite often bubbles will move slightly from the deadlock place if you turn off the pump, catch this moment and turn pump again to remove the bubbles. This is quite tricky and does not work all the time.

Turbulences in water flow

Best way we found is to cause turbulences in water flow, all what needs to be done is to pinch and release incoming [from laser tube perspective] water hose once or twice, pinch will cause pump to build up pressure and when you release that pressure is going into the tube causing strong turbulences and removing bubbles. Our CW-5200 chiller pump is connected to coolant pipes using soft silicone joints, those can be easily pinched by hand.

Be careful when pinching, start gently, turbulences and overpressure caused by this are quite strong, if we pinch ours all the way we can almost feel cutter to vibrate on release. It can damage laser tube.

Rear of chiller
Rear of chiller

 

Tags: 
workshop
laser
water

27425 Comments

Anonymous

Thomasfoums (not verified)

on

Sat, 06/28/2025 - 03:21

onlineapotheek <a href=" https://www.soumoli.com/home.php?mod=space&uid=287703 ">online apotheek nederland</a> or <a href=" https://www.google.com.pr/url?sa=t&url=https://medicijnpunt.shop ">apotheken in holland</a>
https://clients1.google.com.sv/url?q=https://medicijnpunt.shop online medicatie bestellen
[url=https://images.google.sh/url?q=https://medicijnpunt.shop]mijn medicijnen bestellen[/url] medicijnen kopen online and [url=https://gikar.it/user/surskwtzwi/]online medicijnen bestellen[/url] online apotheek zonder recept ervaringen

Anonymous

Lutherbaf (not verified)

on

Sat, 06/28/2025 - 04:50

upsa commande <a href=" https://armandohart.com/user/tgbmnljoik/?um_action=edit ">pharmacie generale</a> or <a href=" https://www.google.com.ph/url?q=https://pharmaconfiance.com ">shampoing pour chien professionnel</a>
https://images.google.dk/url?sa=t&url=https://pharmaconfiance.com allergie carton
[url=https://www.google.ht/url?sa=t&url=https://pharmaconfiance.com]ghd compte[/url] pharmacie change and [url=http://la-maison-des-amis.com/user/mvjzshzylo/]ozempic sans ordonnance france[/url] spray nasal chien

Anonymous

Thomasfoums (not verified)

on

Sat, 06/28/2025 - 08:45

mijn apotheek online <a href=" https://myrsporta.ru/forums/users/ddjkjjje62-2/ ">online medicatie bestellen</a> or <a href=" http://odokon.org/w3a/redirect.php?redirect=http://medicijnpunt.shop/ ">apotheek inloggen</a>
http://www.caterina-hein.de/url?q=https://medicijnpunt.shop apotheke niederlande
[url=https://images.google.com.co/url?sa=t&url=https://medicijnpunt.shop]medi... bestellen apotheek[/url] mijn medicijn bestellen and [url=http://lao.travel.plus/space-uid-11780.html]niederlande apotheke[/url] medicijnen online bestellen

Anonymous

Matthewlow (not verified)

on

Sat, 06/28/2025 - 09:57

provigil pharmacy <a href=" https://app.guiigo.com/home.php?mod=space&uid=85093 ">cialis pharmacy checker</a> or <a href=" https://maps.google.ms/url?sa=t&url=https://pharmaconnectusa.shop ">cymbalta pharmacy price</a>
https://toolbarqueries.google.cd/url?sa=t&url=https://pharmaconnectusa.shop bangkok pharmacy kamagra
[url=https://hc-sparta.cz/media_show.asp?type=1&id=729&url_back=https://pharm... muscat pharmacy[/url] us pharmacy viagra prices and [url=https://afafnetwork.com/user/fcnmhttzie/?um_action=edit]4 corners pharmacy flovent[/url] care rx pharmacy

Anonymous

Lutherbaf (not verified)

on

Sat, 06/28/2025 - 14:07

cetirizine et grossesse <a href=" https://gikar.it/user/pjmjzegshg/ ">garancia paris</a> or <a href=" https://cse.google.sm/url?q=https://pharmaconfiance.com ">solupred pour sinusite posologie</a>
https://www.google.vg/url?q=https://pharmaconfiance.com livraison mГ©dicaments pharmacie
[url=https://clipperfund.com/?URL=https://pharmaconfiance.com::]123 detection avis[/url] a quoi sert l huile d amande douce and [url=https://www.support-groups.org/memberlist.php?mode=viewprofile&u=375629]... gel douche espagne[/url] pharmacie de garde 33

Anonymous

RichardLoK (not verified)

on

Sat, 06/28/2025 - 18:13

apothwke <a href=" https://voicebyjosh.com/user/drwaxzglvz/ ">online aporheke</a> or <a href=" http://www.g-idol.com/url.cgi/bbs/?http://pharmajetzt.com ">tierapotheke online auf rechnung</a>
http://thetrainingworld.com/resources/topframe2014.php?goto=http://pharm... luitpold apotheke mГјnchen
[url=https://roland.pri.ee/wiki/?a=link&url=https://pharmajetzt.com]versandap... apotheke bad steben and [url=https://milburnflooring.com/user/jttfrqxdfv/]online apotheke auf rechnung[/url] apotheke sofort lieferung

Anonymous

Matthewlow (not verified)

on

Sat, 06/28/2025 - 19:42

pharmaceutical online <a href=" https://vintage-car.eu/user/ownnhkrgin/ ">freds pharmacy store</a> or <a href=" https://clients1.google.no/url?sa=t&url=https://pharmaconnectusa.shop ">buy viagra usa pharmacy</a>
https://cse.google.com.sb/url?sa=t&url=https://pharmaconnectusa.shop actos pharmacy
[url=http://flthk.com/en/productshow.asp?id=22&mnid=49487&mc=FLT-V1/V2&url=ht... pharmacy legit[/url] shopko online pharmacy and [url=http://la-maison-des-amis.com/user/uzhrjzuuoh/]tescos pharmacy viagra[/url] polish pharmacy online usa

Anonymous

Thomasfoums (not verified)

on

Sat, 06/28/2025 - 20:29

medicijnen bestellen bij apotheek <a href=" http://www.baohaibbs.com.cn/home.php?mod=space&uid=50774 ">online apotheek nederland zonder recept</a> or <a href=" https://www.google.vg/url?q=https://medicijnpunt.shop ">recept medicijnen</a>
http://italianculture.net/redir.php?url=http://medicijnpunt.shop/ online medicijnen bestellen met recept
[url=http://www.city-fs.de/url?q=https://medicijnpunt.shop]netherlands pharmacy online[/url] medicijnen op recept online bestellen and [url=https://geoimagesolutions.com/user/xzgmgsygfh/?um_action=edit]medicatie apotheek[/url] medicijnen snel bestellen

Anonymous

Matthewlow (not verified)

on

Sat, 06/28/2025 - 22:34

coastal rx pharmacy jacksonville fl <a href=" http://bbs.ebnew.com/home.php?mod=space&uid=751204 ">adderall online pharmacy</a> or <a href=" http://www.swdh123.com/url/go.php?url=http://pharmaconnectusa.shop ">certified online pharmacy viagra</a>
https://cse.google.com.et/url?sa=t&url=https://pharmaconnectusa.shop online pharmacy tadalafil
[url=https://www.google.by/url?sa=t&url=https://pharmaconnectusa.shop]ventolin online pharmacy[/url] pharmacy online india and [url=https://www.gambarare.it/user/vybuwdunbs/?um_action=edit]doxycycline online pharmacy[/url] cheapest pharmacy to get concerta

Anonymous

Lutherbaf (not verified)

on

Sat, 06/28/2025 - 22:54

avis newpharma <a href=" http://erooups.com/user/nejusiuhwr/ ">pharmacie alentour</a> or <a href=" https://cse.google.co.ck/url?sa=t&url=https://pharmaconfiance.com ">rhume de hanche adulte cause</a>
http://fotos24.org/url?q=https://pharmaconfiance.com pharmacie moins cher en ligne
[url=https://cse.google.ge/url?q=https://pharmaconfiance.com]farmacia near me[/url] meilleure parapharmacie en ligne and [url=https://www.pornzoned.com/user/jxlnfaieqh/videos]avis vet securite[/url] dosage amoxicilline bГ©bГ© 8 kg

Anonymous

Thomasfoums (not verified)

on

Sun, 06/29/2025 - 01:17

internetapotheek nederland <a href=" https://vedicnutraceuticals-uk.com/user/xblrnxqixe/?um_action=edit ">online apotheek - gratis verzending</a> or <a href=" http://a-bisu.com/topart161/_m/index.php?a=free_page/goto_mobile&referer... ">internet apotheek</a>
https://www.google.gr/url?q=https://medicijnpunt.shop mijn apotheek online
[url=https://www.google.mn/url?q=https://medicijnpunt.shop]online apotheek zonder recept ervaringen[/url] wat is mijn apotheek and [url=https://bbs.hy2001.com/home.php?mod=space&uid=124519]huisapotheek online[/url] apteka internetowa holandia

Pages

Add your comment

More information about text formats

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.