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Operating Instructions

ECO-mini  „wet“

Summary of Contents for ECO-mini wet

Page 1: ...English 1 Operating Instructions ECO mini wet ...

Page 2: ...stic Grinding Media and their Application __________________ 13 7 2 3 Blue plastic chips of the quality O _________________________ 14 7 2 4 White plastic chips of the quality X ________________________ 14 7 3 Compounds and their application __________________________ 15 7 4 Processing examples ____________________________________ 15 7 4 1 How to process jewelry straight from the casting _________...

Page 3: ... than 3 mm they get smaller with use and have to be sieved then removed Important note Do not process following work pieces in the Eco mini Necklaces small chains smaller than 4 mm close the chains before processing hollow chains We strongly recommend you examine the work pieces to check they are suitable to process in Eco machines For work pieces which have weak spots or parts and might be damage...

Page 4: ...herwise there is the danger of water entering the electronic compartment Use the machine only with an earth leakage circuit breaker ELCB FI Use only from Otec recommended media Acid media might damage the machine and harm the safety Always disconnect the electrical lead from the machine when not in use or while servicing Never use the machine without having enough water compound mixture the pump c...

Page 5: ...ewelry stones amber plastic or pearls A2 Up to a hardness of 8 5 Mohs of the goods and using the appropriate procedure you can process it Q3 How long can the plastic chips be used A3 Due to abrasion they are getting smaller The minimum size should be 3 mm Q4 What quantity of plastic chips and jewelry pieces can I put into the ECO mini wet A4 You can put approximately 1 5 liters of plastic chips in...

Page 6: ... a thermal switch In the unlikely event of it getting too hot it will stop automatically Q6 Is it possible to process chains with the ECO mini wet A6 Only partially Be careful with thin chains 3 mm they may tie up in knots Hollow chains may become squeezed flat also be careful with necklaces It is Important to close the chain fasteners before you start processing We strongly recommend you take car...

Page 7: ...e jewelry Therefore the mirror shining pol ishing result will not be given in the dry polishing process ECO mini wet All the dirt and the cut off from the jewelry will be flushed out of the machine with the water compound mixture This means Always clean surfaces Q9 How high is the noise emission when grinding A9 The ECO mini wet is considerably quieter than a tum bling machine When the machine sta...

Page 8: ... can too small chips be removed from underneath the disc A12 Loosen the central screw remove it take off the disc and clean it Replace the parts in reverse order Q13 Can you use gold and silver at the same time A13 Yes ...

Page 9: ... media Set the machine up as follows see photo Attach the wastewater hose to the wastewater container Put the pump into the small plastic container and then put them both into the wastewater container Fill the wastewater container with 10 liters of water and 0 5 liters of the compound SC 5 dental in dustry should use instead 0 3 liters of SC 12 Insert the electrical plug into a socket Be sure that...

Page 10: ... correct voltage for the country of operation The Manufacturer accepts no liability for damage to the ma chine when using the incorrect voltage 6 Fillings and work piece size Max load when filled with grinding me dia guideline 1 5 lt Max weight per work piece if you proc ess several work pieces 8 grams Max weight of all work pieces in the machine 100 grams Work piece size Bigger than 1mm Only use ...

Page 11: ...ss container is filled with polishing or grinding media and the disc rotates a toroidal move ment is generated which creates a long frictional path resulting in an extremely efficient polishing action on the work piece While wet grinding the water compound mixture is continuously added to the media through a pump This helps to drain the residual particles of the grinding process out of the work co...

Page 12: ... 1 The Electrical Switches By turning the timer clockwise the time can be set and the ma chine starts processing The pump will then be automatically activated Max processing time 15 hours at 115V 12 hours When the time set is reached the machine will stop automati cally By turning the timer counterclockwise to 0 the machine will stop Never use the machine when the pump can run dry The process time...

Page 13: ...d and silver Plastic bond media especially for the jewelry sector Here the abrasive media is bond in a plastic substance Advantage fine smooth surfaces can be achieved Disadvantage more expensive than ceramic media In these operating instructions we want to concentrate on the use of plastic grinding media 7 2 2 Plastic Grinding Media and their Application There are generally two forms of plastic g...

Page 14: ...bic zirconia or soft precious stones like rubies They can only be ground with KX 10 you also could use PX 10 when the processing time is shorter than 3 hours Otec recommends blue pyramids PX 10 for the pre grinding of raw not yet treated castings and generally for the grinding of fairly cleaned platinum stainless steel or titanian jewelry ma chined on a turning lathe 7 2 4 White plastic chips of t...

Page 15: ...straight from the casting When you want to process jewelry straight from the casting the grinding should be done in two steps Fill the work container with approximately 1 5 liters blue plastic chips PO 10 pyramids Select the processing time by turning the timer clockwise The machine will now start Processing time to grind gold and silver 2 3 hours Processing time to grind platinum titanium and sta...

Page 16: ...em immediately in a dry pol ishing process like in the Eco mini dry they do not have to be dried 7 4 2 How to process emerypaper treated jewelry When you want to process cast emerypaper treated jewelry or chains the wet grinding needs to be done in only one process ing step Fill approximately 1 5 liters white plastic chips KX 10 and PX 10 cones and pyramids mixed 1 1 into the work container Only u...

Page 17: ...If you want to process them straight afterwards in a dry polishing process like in the Eco mini dry they don t have to be dried 7 5 Suitable OTEC media Otec recommends the following media Plastic chips PX 10 KX 10 white PO 10 KO 10 blue Ceramic chips DS 6 6 ZSP 3 5 When the chips have worn down to less than 3 mm they have to be separated from the bigger ones and be removed from the machine Keep th...

Page 18: ...ngle Bigger work pieces which might touch or get entangled in the machine and therefore get damaged should be processed on their own individually Be cautious with thin small chains smaller than 4 mm They might end up in knots Important information The following work pieces are unsuitable for the Eco mini wet Necklaces Chains thinner than smaller than 4 mm Hollow chains Please observe the following...

Page 19: ...essed without damage in the Eco mini wet 8 Problems while processing and remedy Problem A very thick foam which does not disappear is in the waste water container Cause There is too little compound in the water or rather the compound is used up Remedy Increase the concentration of the compound Problem After polishing you can see little pimples on the surface of the work piece Cause The water compo...

Page 20: ...shing media can not flatten the surface suf ficiently Remedy Grind once more with KX 10 or dry grind in the Eco mini dry afterwards using H 1 100 walnut granule 9 Technical problems and remedy Problem Machine makes squeaking noises Cause The grinding chips are too small small ones were not removed or work pieces are getting under neath the disc Remedy Remove the disc by removing the screw which ho...

Page 21: ...tainer is too narrow the disc is badly worn or there are chips work pieces jammed in underneath Remedy Remove the chips or the work pieces and check the disc wear If necessary replace the disc Problem There is water leaking out of a hole in the work container see picture Do not use the machine any further until the problem is solved Otherwise there is the potential danger of water entering the mot...

Page 22: ... place and date of purchase Also the ma chine number are marked The warranty will not be valid if grinding chips or compounds other than those recom mended by Otec Präzisionsfinish have been used the machine was not used as described in the operating instructions media smaller than 3 mm has been used the machine was not equipped with an earth leakage circuit breaker ELCB FI ...

Page 23: ... to contact your dealer Further information and answers to the frequently asked questions you also can find in the internet under www eco mini com 12 Manufacturer Otec Präzisionsfinish GmbH Address Dieselstr 12 D 75334 Straubenhardt Feldrennach Germany Fax 49 0 7082 491129 e mail info otec de Web http www otec de http www eco mini com ...

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