tag:blogger.com,1999:blog-65458613797357774922024-03-13T00:30:53.171+01:00B E T A - eine alternative Espressomaschineein Open Source ProjektNikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.comBlogger11125tag:blogger.com,1999:blog-6545861379735777492.post-45414501477093648462014-10-05T20:04:00.003+02:002014-10-05T20:12:13.784+02:00parts & prices<div class="separator" style="clear: both; text-align: center;">
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Preise für einige Standardteile:</div>
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(die hier angegebenen Preise können je nach Bezugsquelle varieren und dienen somit nur grob als Orientierung) </div>
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Espressomaschienenersatzteile:</div>
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01. La Pavoni Sieb ~ 15 €</div>
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02. Siebdichtungsring ~ 3 €</div>
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03. Dusche ~ 15 €</div>
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04. Kolben (Messing) ~ 23 € </div>
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04. Kolbendichtungsset ~ 13 €</div>
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Sonstige Teile ( Baumarkt, Bastelladen ... ):</div>
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05. Edelstahlschraube ~ 1 €</div>
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09. Kupferrohrwinkel ~ 2 €</div>
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10. Glastrichter ~ 3 €</div>
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13. Rohrschelle ~ 4 €</div>
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14. Langlochwinkel ~ 2 €</div>
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15. Metallwinkel ~ 3 €</div>
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03. Edelstahlmuttern ~ 3€</div>
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04. Gewindestange ~ 1,5 €</div>
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Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com2tag:blogger.com,1999:blog-6545861379735777492.post-55197091939508164612014-10-01T17:18:00.000+02:002014-10-05T17:00:34.069+02:00making espresso ...<div style="text-align: center;">
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Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com0tag:blogger.com,1999:blog-6545861379735777492.post-66834869917510464462014-09-18T17:55:00.001+02:002014-09-18T17:55:16.993+02:00technical drawings<span style="font-family: inherit;">here are some drawings of the main parts. these are the only parts you have to manufacture or let some metal shop make them for you.</span><br />
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<span style="font-family: inherit;"><a href="https://drive.google.com/folderview?id=0Bzg04doTlBLeQVhqZHA2Qkc3TVU&usp=sharing">Drawings</a></span><br />
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<span style="font-family: inherit;">in my first prototype I used aluminium, it appeared to be not perfect. Aluminium takes out the heat of the water way too fast. It is actually a lot better to use stainless steel, that has a lower thermal conductivity: </span><br />
<span style="font-family: inherit;"> aluminium: ~ <span style="background-color: #f9f9f9; font-size: 13.63636302948px; line-height: 20.3636360168457px; text-align: -webkit-right;">236. (it cools down the hot water very fast) </span></span><br />
<span style="background-color: #f9f9f9; font-size: 13.63636302948px; line-height: 20.3636360168457px; text-align: -webkit-right;"><span style="font-family: inherit;"> stainless steel: ~ 20 (it keeps the heat)</span></span><br />
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<br />Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com0tag:blogger.com,1999:blog-6545861379735777492.post-82589498270265700132014-09-18T16:42:00.000+02:002014-09-18T16:59:25.180+02:00standard espressomaschine parts<br />
I chose most of the standard parts from the classic "Europiccola" of La Pavoni. It has some good parts made of a high quality. Unfortunately these parts are not the cheapest ones, but I didnt really want to have cheap plastic parts in the espressomaker. It should be always very easy to change parts if they are broken or worn out (seals) and replace them.<br />
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heres a quick <a href="http://www.kaffeewiki.de/index.php?title=Pavoni_Europiccola">overview </a>in german) but if you search for it in the internet, there´s a lot of good information about the maschine:<br />
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I tried to use as less parts as possible, to keep the costs low.<br />
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here are the parts:<br />
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Piston (brass) / Kolben (Messing) Nr.: 79<br />
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Piston seals / Kolbendichtringe Nr.: 80<br />
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Shower / Dusche Nr.: 81<br />
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Basket (2 shots) / Sieb 60 mm (2 Tassen) (new version) Nr.: 98<br />
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Basket seal / Siebdichtung (new version) Nr.: 82<br />
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in this <a href="http://eshop.lapavoni.com/en/lanotattachments/download/file/id/8/store/3/">diagram </a>you can find the numbers.Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com0tag:blogger.com,1999:blog-6545861379735777492.post-26453397184405378602014-09-18T16:07:00.001+02:002014-09-18T16:07:30.969+02:00pictures of parts and prototyping<div class="separator" style="clear: both; text-align: center;">
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<br />Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com0tag:blogger.com,1999:blog-6545861379735777492.post-43887482613678049422014-09-17T19:23:00.001+02:002014-09-17T19:42:40.697+02:00how it works...<div class="separator" style="clear: both; text-align: center;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-bcWMoa7m6pCRIFJe7rQFRHzFKGcjBSTzJeC6a1pMrTiALtmYZmvdvDb5KbwCgIypi4oZsD0xHkCRqVmxnLYYziapxneWAyWielVltiE7kjxb-ENl1JXtZWUxaYRqpcrF-FsiS6LYYelU/s1600/schema4.png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-bcWMoa7m6pCRIFJe7rQFRHzFKGcjBSTzJeC6a1pMrTiALtmYZmvdvDb5KbwCgIypi4oZsD0xHkCRqVmxnLYYziapxneWAyWielVltiE7kjxb-ENl1JXtZWUxaYRqpcrF-FsiS6LYYelU/s1600/schema4.png" height="640" width="560" /></a></div>
<br />Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com2tag:blogger.com,1999:blog-6545861379735777492.post-14771815888895067392014-09-17T14:42:00.002+02:002014-09-17T14:44:16.632+02:00Renderings<div class="separator" style="clear: both; text-align: center;">
here are some impressions how the espressomaschine could look like: </div>
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one wall mounted version and one stand alone version.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIbJQk1lBlUqm5I3h9j8fLKuyr9_gC-jNOI6m1ZK_KKlREwBSJxKqZcf4wKmtnF_W6okcGnSvi_vN0pDEZ2IDa0IkPwkt0WJvowQ5Usw6NsHO-U6wttO_V4_b-SvsOaWIqitarNQrIVQS2/s1600/rendering1.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIbJQk1lBlUqm5I3h9j8fLKuyr9_gC-jNOI6m1ZK_KKlREwBSJxKqZcf4wKmtnF_W6okcGnSvi_vN0pDEZ2IDa0IkPwkt0WJvowQ5Usw6NsHO-U6wttO_V4_b-SvsOaWIqitarNQrIVQS2/s1600/rendering1.jpg" height="640" width="590" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhm_ZIIqrshytrV72CZ6WBl9q8t1V9NfRKQxkpL3D759Khn9hmw23-ld0c_WbrSTWPTwYR_BXeo3Ig7oclAdmfRctFrkh4pXgA6arVyNUU_23pmjOU2XPL7JjEfxOX1rshOS25mbc2xxcZo/s1600/rendering2.JPG" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhm_ZIIqrshytrV72CZ6WBl9q8t1V9NfRKQxkpL3D759Khn9hmw23-ld0c_WbrSTWPTwYR_BXeo3Ig7oclAdmfRctFrkh4pXgA6arVyNUU_23pmjOU2XPL7JjEfxOX1rshOS25mbc2xxcZo/s1600/rendering2.JPG" height="640" width="590" /></a></div>
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Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com2tag:blogger.com,1999:blog-6545861379735777492.post-73321699193200307082014-09-17T14:19:00.001+02:002014-09-17T14:21:19.125+02:00Ideation<div class="separator" style="clear: both; text-align: center;">
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj83ZR-QPOui1MOVm_Fw6YDhbDbOxCMikhQpqR9ukRClr0jqaINdqz72SbraBMI0u_RnlJMaQZYWhh5N4G3MzAia4mD8g9L6FPAopsqg2YzQWPa9jkWrkH3Vd2cQt1-rbtifq4rEe-Th0eC/s1600/skizzen.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj83ZR-QPOui1MOVm_Fw6YDhbDbOxCMikhQpqR9ukRClr0jqaINdqz72SbraBMI0u_RnlJMaQZYWhh5N4G3MzAia4mD8g9L6FPAopsqg2YzQWPa9jkWrkH3Vd2cQt1-rbtifq4rEe-Th0eC/s1600/skizzen.jpg" height="426" width="640" /></a></div>
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some of my first ideation sketches</div>
Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com0tag:blogger.com,1999:blog-6545861379735777492.post-44269683990959576062014-09-16T18:06:00.003+02:002014-09-16T18:06:41.751+02:00<div dir="ltr" style="line-height: 1.15; margin-bottom: 0pt; margin-top: 0pt;">
<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Einen guten Espresso zu trinken ist ein wahres Vergnügen! </span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Meine Idee und Motivation für die Entwicklung einer Espressomaschine lag darin, einen guten Espresso nicht nur in den Cafes der Stadt genießen zu können, sondern auch zuhause. Leider sind die guten italienischen Siebträgermaschinen nicht immer ein Schnäppchen und so kam mir der Gedanke, doch selbst eine Espressomaschine zu entwickeln. </span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Wenn man sich einmal mit der Zubereitung von Espresso beschägtigt hat, wird man feststellen, dass die Voraussetzungen für einen guten Espresso gar kein Teufelswerk sind: Man braucht ca 6-7 Gramm fein gemahlenes Espressopulver, (Der Mahlgrad und die Bohne sind natürlich ebenso für einen guten Espresso entscheidend) ca. 30 ml Wasser, das mit 90 °C und 9 bar Druck in 30 Sekunden durch das Pulver gepresst werden.</span></span></div>
<b id="docs-internal-guid-2c23eb46-7f37-5be0-63bc-2f9207a02117" style="font-weight: normal;"><span style="font-family: inherit;"><br /></span></b>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">6-7 Gramm Espressopulver</span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">30 ml Wasser</span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">90 °C</span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">9 bar</span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">30 Sekunden </span></span></div>
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<div dir="ltr" style="line-height: 1.15; margin-bottom: 0pt; margin-top: 0pt;">
<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Diese “Zutaten” müsssen natürlich in perfekter Art und Weise zusammenspielen, um zuletzt einen guten Espresso zu bekommen.</span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Doch ganz nüchtern betrachtet sind diese Faktoren recht überschaubar.</span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Das Espressopulver kann in jedem Kaffeladen mit dem richtigen Mahlgrad gekauft werden. Einen Wasserkocher besitzt so ziemlich jeder Haushalt. Und um 9 bar Druck zu erzeugen besitzen wir unsere Muskeln in den Armen.</span></span></div>
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<div dir="ltr" style="line-height: 1.15; margin-bottom: 0pt; margin-top: 0pt;">
<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Als Bedingung für meine Maschine, setzte ich voraus, dass sie für von niedriger Komplexität sein sollte, und es die Möglichkeit geben sollte, sie sich mit möglichst geringen Kosten selbst herzustellen, bzw. herstellen zu lasssen.</span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Möglichst viele Teile sollten aus Standardkomponenten aus dem Baumarkt oder Ersatzteile herkömmlicher Espressomaschinen bestehen.</span></span></div>
<div dir="ltr" style="line-height: 1.15; margin-bottom: 0pt; margin-top: 0pt;">
<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Nicht zuletzt ist es mir wichtig, die Espressomaschine als ein Open Source Projekt zu verstehen und unter einer Creative Common Lizenz zu veröffentlichen, so dass ein jeder an meiner Arbeit interessierte Mensch, das Material benutzen, weiterentwickeln oder auch einfach selbst bauen kann.</span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Soweit habe ich einen ersten Prototypen entwickelt und hergestellt, der zwar noch einiges an Optimierung erfordert, aus dem ich aber bereits sehr leckeren Espresso genießen konnte. </span></span></div>
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<span style="background-color: transparent; color: black; font-size: 15px; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: none; vertical-align: baseline; white-space: pre-wrap;"><span style="font-family: inherit;">Feel free to download, share, develop, build, improve or talk about this espressomaschine-project!</span></span></div>
Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com0tag:blogger.com,1999:blog-6545861379735777492.post-33189697620363574222014-08-31T16:09:00.002+02:002014-08-31T16:09:43.268+02:00My Workspace...<div class="separator" style="clear: both; text-align: center;">
... where it all began.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRuY5HQPlAEniRcmMpALYtDaRWJYGrkxYWCJ0c1CjmO6ZmB0bBOdmcEpkRwm04dAPrjfihggsM2f91DWep9aE8fLOmo5Ljl4wqq7sEbEtMJ-OzdFg4vJib_FO9j29S_4nJONxVq9vhTbza/s1600/20140616_152434.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiRuY5HQPlAEniRcmMpALYtDaRWJYGrkxYWCJ0c1CjmO6ZmB0bBOdmcEpkRwm04dAPrjfihggsM2f91DWep9aE8fLOmo5Ljl4wqq7sEbEtMJ-OzdFg4vJib_FO9j29S_4nJONxVq9vhTbza/s1600/20140616_152434.jpg" height="296" width="400" /></a></div>
<br />Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com0tag:blogger.com,1999:blog-6545861379735777492.post-42492443393138178722014-08-21T21:40:00.003+02:002014-08-31T17:10:10.570+02:00Hello World!<br />
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Good Morning!<br />
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<a href="http://www.andreas-kamolz.de/">www.andreas-kamolz.de</a></div>
Nikolai Zlomǎkhttp://www.blogger.com/profile/01307066696213391435noreply@blogger.com0