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4D LABS, Simon Fraser University    8888 University Drive, Burnaby, B.C.  V5A 1S6 

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[email protected]  

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778.782.8158  

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778.782.3765  

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www.4dlabs.ca

 

Buehler EcoMet 250 Grinder-Polisher 

Standard Operating Procedure 

Revision: 1.0 — Last Updated: Dec 01 2016, Revised by Matt Bilton 

 

Overview 

 

This  document  will  provide  a  detailed  operation  procedure  of  the  Buehler  EcoMet  250  Grinder-

Polisher.  Formal Training is required for all users prior to using this system. 

 

Revision History 

 

#  Revised by: 

Date 

Modification 

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Summary of Contents for EcoMet 250

Page 1: ...et 250 Grinder Polisher Standard Operating Procedure Revision 1 0 Last Updated Dec 01 2016 Revised by Matt Bilton Overview This document will provide a detailed operation procedure of the Buehler EcoMet 250 Grinder Polisher Formal Training is required for all users prior to using this system Revision History Revised by Date Modification 1 2 3 4 5 Document No ...

Page 2: ...our grinding or polishing platens 8 Using Diamond Polishing Solutions 8 Preparing Samples in the Power Head 9 Specimen Holders 9 Loading a Specimen Holder 10 Removing a Specimen Holder 11 Single Force 11 Central Force 11 Mounting the Glass Slide Holder 12 Begin the Grinding Polishing Procedure 14 Exchanging grinding and polishing discs 16 After use 16 References and Files 17 Contact Information 17...

Page 3: ...3 4D LABS Simon Fraser University 8888 University Drive Burnaby B C V5A 1S6 E nanoimaging 4dlabs ca T 778 782 8158 F 778 782 3765 W www 4dlabs ca ...

Page 4: ...ith an 8 inch 203 mm platen The AutoMet Power Head allows for semiautomatic specimen preparation operation increasing productivity and specimen consistency Main components n Power Head Specimen holder Platen Control Panel Burst dispensing unit Water Hose EMERGENCY STOP BUTTON Power On Off button Water Supply Blue Tap Main water supply Black Tap Flow control tap to polisher located behind the polis...

Page 5: ...el if necessary Rotation of the platen could be up to 500 rpms Keep hands away from moving parts Do not wear loose clothing or jewellery and contain long hair They can be caught in moving parts and may result in severe personal injury Protective equipment should be worn to handle specimens which may be sharp or hot Do not operate machine in the presence of flammable liquids gases or dust Sparks ma...

Page 6: ...778 782 3765 W www 4dlabs ca Operation Control Panel Figure 1 EcoMet Grinder Polisher Control Panel Commands Time Water flow on off Head rotation direction Clockwise Anticlockwise Force N lbs Increase decrease Water source tap only Burst dispenser on off Pause Stop Platen only Force mode single central Speed base head ...

Page 7: ...s button will stop and start the water flow This button selects the rotation directions of the platen to the head These can in the same or opposite directions the head always rotates counter clockwise This displays the amount of force in lbs or N that is applied by the Power Head Single Force 1 10 lbs 5 45 N Central Force 5 60 lbs 20 260 N Selects between the single force upper and central force l...

Page 8: ...ding affix the selected SiC disc onto the adhesive side of an APEX S magnetic backed plate Water flow is recommended during use of SiC discs to prevent heat buildup and to remove waste materials For Polishing cloths affix the selected cloth disc onto the adhesive side of an APEX S magnetic backed plate Pre prepared cloths are listed in the grey storage cabinet Each cloth corresponds to a specific ...

Page 9: ... grey storage drawer Preparing Samples in the Power Head Specimen Holders Figure 2 Different sample holders A Central Force Holder 1 Supports 1 25 samples B Single Force Holder 40 mm samples with distance rings insets for 1 1 25 samples C Flat Sample Holder For support of flat unconventional samples e g Si wafers D Glass Slide Holder Supports 27 x 46 mm glass slides This holder attaches into the s...

Page 10: ...Tighten the locking handle once the Power Head is in place 2 Move the Power Head into the desired position Buehler recommends the specimen be approximately 1 3 off the edge of the platen in its outmost position 3 Rotate the locking handle clockwise to tighten and secure the Power Head into position Figure 3 Locking Handle 4 To attach the Specimen Holder raise the outer sleeve of the lift lock chuc...

Page 11: ...men be approximately 1 3 off the edge of the platen in its outmost position Removing a Specimen Holder Raise the lift lock chuck to release the specimen holder Single Force In single force mode the specimens are placed but not secured in the specimen holder Figure 5 The amount of force selected on the control panel is applied to each individual specimen through hydraulic fingers The single force s...

Page 12: ... level for grinding polishing and secured in place using an Allen key Figure 6 Central Force Specimen Holder Mounting the Glass Slide Holder The glass slide holder supports glass slides 27 x 46 mm in size and is used only with the central force holder Use the follow steps to mount this holder 1 Position 2 adjacent 1 distance rings into the central force sample holder Use the provided Allen key to ...

Page 13: ...de of the glass slide holder positions for adhesion are shown in Figure 9A Use a double sided adhesive tape or wax to do this Do check that your choice of adhesive is fully removable from the glass slide holder after polishing Take care not to use too much adhesive as your sample may be difficult to detach from the holder after polishing Note the downward force of the Power Head will strengthen th...

Page 14: ...the rotational speed of the platen The rpms will be displayed in the SPEED display field Recommended speeds are as follows i Base 1 500 rpms ii Head 30 60 rpms 4 Press the FORCE button seconds to select a force N or LBS To change the force units between N Newtons and LBS pounds press the INCREASE and DECREASE buttons simultaneously A LED will light next to the selected FORCE parameter Press the IN...

Page 15: ...olding the buttons as the Power head lowers the head to the platen Let go of the buttons once the process is underway see Figure 10 Using both hands here one for each green button ensures safety from trapping hands beneath the Power Head In Central Force mode holding the green buttons will begin the polishing process once the Power Head reaches the platen In Single Force mode the Power Head will f...

Page 16: ...ng handle Carefully lift away the used grinding or polishing disc from the magnetic platen and replace with your next appropriate disc Used SiC grinding discs can be placed into a zip lock bag and placed in the nanoparticle waste bin Diamond abrasive discs should be cleaned with water and placed back into zip lock bag Place this back into the grey storage drawers Reseal polishing cloth discs into ...

Page 17: ...lock bag Label this as nanoparticle waste and place into a designated nanoparticle waste bin currently in room 6170 8 If the waste container is full please alert a staff member so that it can be emptied 9 Do not store your samples in the preparation lab 10 Fill in the user log book and remember to create your online 4D LABS usage ticket References and Files Buehler Manual for EcoMet 250 300 Grinde...

Page 18: ...abs ca T 778 782 8158 F 778 782 3765 W www 4dlabs ca Supplementary Information Silicon Carbide Abrasive Grinding Discs FEPA Grit Code Grit Size µm P120 125 P280 52 2 P400 35 0 1 5 P800 21 8 1 0 P1200 15 3 1 0 Diamond Polishing Solutions Solution Colour Grit Size µm RED 9 YELLOW 6 GREEN 3 BLUE 1 ...

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