Otec ECO-mini wet Operating Instructions Manual
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Otec ECO-mini wet Operating Instructions Manual

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Operating Instructions
ECO-mini „wet"
English - 1 -

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Summary of Contents for Otec ECO-mini wet

  • Page 1 Operating Instructions ECO-mini „wet“ English - 1 -...

  • Page 2: Table Of Contents

    7.4. Processing examples ____________________________________ 15 7.4.1. How to process jewelry straight from the casting _______________ 15 7.4.2. How to process emerypaper-treated jewelry ___________________ 16 7.5. Suitable OTEC media ___________________________________ 17 7.6. Suitable work-pieces ____________________________________ 18 8. Problems while processing and remedy__________________ 19 9.

  • Page 3: Foreword

    Dear Customer, to guarantee perfect function of your machine, it is tested in our production line. This can leave residual amounts of media in the work-container. We strongly recommend, the ECO-mini “wet” only use following grinding media. -Plastic grinding chips no smaller than 3 mm (they get smaller with use and have to be sieved, then removed).

  • Page 4: Safety Instructions

    The manufacturer Otec Präzisionsfinish will not give any war- ranty nor guarantee for damage or harm which is caused by not taking notice of the following operating instructions. 2. Safety instructions · The machine has to be set up on an even surface.
  • Page 5 After extensive laboratory tests the best results were obtained with fine grinding plastic-chips. We recommend you only use the following Otec premium grade grinding plastic- chips. - Plastic grinding chips KO 10 and PO 10 for pre-grinding. - Plastic grinding chips KX 10 and PX 10 for fine grinding.
  • Page 6 When processing more than one piece, the individual weight of each jewelry piece should not exceed 8 grams, to avoid dam- aging each other and leaving impact marks. As a rule of thumb take a ratio of 1:7 (jewelry pieces : media) –...
  • Page 7 All alloys of gold, silver, platinum, titanium can be proc- essed, except for soft cast alloys, as used in fashion jewelry, and also 23 and 24 carat gold alloys. What are the advantages of the ECO-mini “wet” com- pared to conventional tumbling machines? ·...
  • Page 8 Q12. How 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.

  • Page 9: How To Set Up The Machine

    4. How to set up the machine The Eco-mini “wet” is a bench type machine and is to be po- sitioned on an even surface. Allow the air to circulate through the lattice on the bottom of the machine. Do not block it. The Eco-mini „wet“...

  • Page 10: Technical Data

    5. Technical Data Width 240 mm 9.5 inch Depth 240 mm 9.5 inch Height 345 mm 13.6 inch Basic Volume 3 lt. 3.0 liters Weight 4 kg 8.8 pounds Voltage 230V ; 50/60 Hz 115V 50/60Hz Power consumption 60 W 60 W Be sure to check the voltage shown on the machine label is the correct voltage for the country of operation.

  • Page 11: Use And Function Of The Machine

    7. Use and Function of the Machine The disc finishing machine Eco-mini „wet“ is used for the wet surface treatment of jewelry and work-pieces in the dental Laboratory (mainly wet grinding). Here the objective is to replace hand preparation (emery paper- work) of a work-piece by wet grinding with the Eco-mini „wet“...

  • Page 12: The Electrical Switches

    waste residue might get into the work-container and therefore back into the process. This would result in a poor finish. Do not pour the waste-water into the drainage but take it to a refinery where the precious metals (which might be in the re- sidual waste) can be recovered.

  • Page 13: Grinding With The Eco-Mini „Wet

    7.2. Grinding with the Eco-mini „wet“ 7.2.1. Grinding Media In general one distinguishes between two different kinds of grinding media: · Ceramic-bond media (especially for the dental sector). Here the ceramic abrasive media is bonded in a ceramic substance. Advantage: short processing times, high pressure to the work- piece.

  • Page 14: Blue Plastic Chips Of The Quality "O

    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.

  • Page 15: Compounds And Their Application

    7.3. Compounds and their application In general the compound SC 5 is used in the Eco-mini „wet“. The compound SC 5 keeps the work-pieces clean and corro- sion-free while grinding. Also, the sharpness of the chips is re- tained, by using this compound. SC 5 should be mixed with water as per the following instruc- tions: Add 0.5 liters of the compound SC 5 to 10 liters of water.

  • Page 16: How To Process Emerypaper-Treated Jewelry

    · Select the processing time by turning the timer clockwise. The machine will now start. · Processing time to grind gold and silver: 1-3 hours · Processing time to grind platinum, titanium and stainless steel: 3-6 hours · The machine will switch off automatically after the time set has expired.

  • Page 17: Suitable Otec Media

    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;...

  • Page 18: Suitable Work-Pieces

    7.6. Suitable work-pieces The Eco-mini „wet“ is especially suitable for following work- pieces. · Rings, even with cubic zirconia or precious stones like for e.g. brilliants or sapphires, etc. · Earrings · Brooches · Pendants · Chains (when they are bigger than 4 mm Please note: ·...

  • Page 19: Problems While Processing And Remedy

    Well set, precious stones, usually do not work loose or fall out of the jewelry. Set stones, which get loose or fall out of jewelry, can not be guaranteed by the manufacturer, Otec Präzisions- finish. Generally, precious stones up to a hardness of 8.5 (Mohs) can be processed without damage in the Eco-mini „wet“.

  • Page 20: Technical Problems And Remedy

    Problem: cubic zirconia , Sapphire is damaged. Cause: You might have used the wrong chips or too little foam. Remedy: Use plastic-chips KX 10 and check the wa- ter/compound mixture. Problem: After dry polishing there is a lot of the, so called “orange skin”...
  • Page 21 Otherwise there is the potential danger of water entering the motor! Cause: A seal is defective. Remedy: Give the machine for repair to your dealer or di- rect to Otec Präzisionsfinish. English - 21 -...

  • Page 22: Warranty

    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.

  • Page 23: Fast Aid

    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:...

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