Pin Coating Thickness for Non-AMF Bowling Pins (SOP
Contents
1. A il TM USEC EQUIPMENT SPECIFICATIONS amp CERTIFICATION Purpose To measure the pin coating thickness of non AMF pins Materials Keyence digital microscope VHX 100K series Keyence digital microscope lens VH Z25 4 cut pin segments head neck ball zone and base SOP PIN 13 Keyence digital microscope User s Manual Pencil Straight Edge Data worksheet Inkpad Isopropyl alcohol IPA Procedure l 2 Obtain 4 pin segments and section off each according to steps 2 5 Rub each pin segment on an inkpad darkening the wood so that it may be in greater contrast with the plastic coating Moisten a Kimwipe with IPA and lightly rub the plastic coating to remove any excess ink from the pin segment Set the base segment of the bowling pin on a work surface and draw 10 pie slices on the top of the segment and number each section 1 10 with the pencil and straight edge as seen in figure 1 Figure 1 Side and top view of base segment of the bowling pin The top view shows the 10 divisions drawn on the segment for later analysis SOP LAB 4 Rev 4 05 04 10 1 A EQUIPMENT SPECIFICATIONS amp CERTIFICATION 5 Set the lower ball zone segment of the bowling pin on a work surface and draw 10 pie slices on the top of the segment and number each section 1 10 with the pencil and straight edge as seen in figure 2 Figure 2 Side and top view of the lower ball zone segment of the bow2. and set the number of decimal points to three v Select OK to save changes and continue 12 Select Menu from the main toolbar SOP LAB 4 Rev 4 05 04 10 3 13 14 15 16 17 18 19 20 21 EQUIPMENT SPECIFICATIONS amp CERTIFICATION From the menu bar at the top left hand corner of the screen select the Measure command Verify that the lens power is set correctly at the bottom of the Measure Tool Window screen and select the 2 points measuring option Place pin segment on the stage with the section labeled 1 directly beneath the lens Focus in on the pin coating outer edge of the segment using the fine adjustment knob When necessary adjust the lighting with the light control knob located on the front panel of the CPU Using the mouse click on the inner edge of the pin coating drag to the outer edge and click the mouse one more time in order to save the measurement a Verify that the units are set to inches in the Measure Result Window b Record measurement on worksheet Repeat steps 13 16 for each numbered section on every segment Save all data from pin section a Resize the Measure Result Window so that it shows all measurements taken for pin segment Select Save as CSV c Using the mouse move the soft keyboard window to the side it will open up directly on top of the Save window d Type in file name and select create if necessary appropriate folder Repeat st
3. eps 13 18 for each of the four segments of the pin SOP LAB 4 Rev 4 05 04 10 4
4. ling pin The top view shows the 10 divisions drawn on the segment for later analysis 6 Set the upper ball zone segment of the bowling pin on a work surface and draw 10 pie slices on the top of the segment and number each section 1 10 with the pencil and straight edge as seen in figure 3 Figure 3 Side and top view of the upper ball zone segment of the bowling pin The top view shows the 10 divisions drawn on the segment for later analysis SOP LAB 4 Rev 4 05 04 10 EQUIPMENT SPECIFICATIONS amp CERTIFICATION 7 Set the neck segment of the bowling pin on a work surface and draw 10 pie slices on the top of the segment and number each section 1 10 with the pencil and straight edge as seen in figure 4 Figure 4 Side and top view of the neck segment of the bowling pin The top view shows the 10 divisions drawn on the segment 8 Power up the microscope 9 Place a white business card on the stage a Focus in ona letter b Flip the card over to its white backside c Touch the White Balance key on the front panel of the CPU 10 Adjust coarse adjustment knob to a magnification of 25 and lower the stage 11 Calibrate the lens a Select Lens from the main toolbar located in the bottom right hand corner of the screen 1 Select the lens power in this case click 25 ii Click on Calibration il Check to be sure lens power is set to x25 on screen iv Verify that the units are set to inches
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