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Содержание V-14

Страница 1: ...Nikon PROFILE PROJECTOR MODEL V 14 INSTRUCTIONS NIPPON KOGAKU KlIK ...

Страница 2: ...lumination 9 1 Contour illumination 9 Detection of the correct position of lamp 9 Changing over the condenser 10 2 Surface illumination 10 Oblique illumination 10 Vertical illumination 10 2 Projection 11 1 Correct positioning 11 2 Sharp focusing 11 3 Centering 12 3 Measurement 13 1 Placing a scale on the screen 13 2 Comparing with standard length 14 3 Comparing with master chart 14 4 Measuring ang...

Страница 3: ...rometer stage type 0 Surf ace ill umi nator support Stage mount Screen lock Screen Chart clip F OCUSI ng wheel Dial gage mount Antiglare shield Cabi net Surf ace ill umi nator Condenser change over knob Cooling fan Contour illuminator Fuse Power cord Fig 2 2 Fig 1 ...

Страница 4: ...OPTICAL SYSTEM Half reflecting mirror Stage gloss Dust tight glass 3 Screen Projection lens Heat absorbing filter Condenser lens Heat absorbing filter lamp Fig 3 ...

Страница 5: ... chart clips serve to firmly hold a sheet of paper or plastic to be used as a master chart on the screen Pull the clip head and the clip will be released and can be turned It is detached from the screen by unscrewing its milled part 4 Hood Fig 4 In case extraneous light obstracts the observation of the screen image pull the hood forward The hood can be pushed backward when not in use Three project...

Страница 6: ... black knurled part 8 Stage mount Fig 8 Release beforehand the knurled screw on the right hand bottom of the stage to be mounted Place the stage over the central protrusion on the mount Fasten the stage to the mount by means of the knurled screw The micrometer stage should be fastened in such a position that the crosswise travelling directions coincide with the cross lines engraved on the screen B...

Страница 7: ... condenser can be drawn in and out to change the convergence of illuminating light To take out the lamp release the lamp and the screw at the left The three screws around the lamp socket are used for centering the lamp Release these screws and the lamp can be rotated by turning the base of the lamp socket To set the surface illuminator in proper posi tion move the surface illuminator vertically al...

Страница 8: ...stalled the removal of the red colored bolts Fig 29 is necessary 14 Cabinet Fig 11 Available on order The accessory cabinet can be attached to either side of the instrument by means of 4 bolts supplied with the instrument Move the inside shelves to the bottom and the lens case can be stored in the cabinet Fig 11 16 Fuse Fig 12 To replace the fuse take out the fuse cover by turning in the direction...

Страница 9: ...the right hand CONTOUR The larger socket below the switch panel is for power supply for the surface illuminator and the smaller one for the cooling fan 20 Dial gage eyelet Fig 14 A dial gage attached to the eyelet on the projector body using the supporting rod which is available on order permits height or depth measurement Move the projector stage vertically to take reading of the dial gage at eac...

Страница 10: ...ric This telecentric illumi nation is obtained by the correct alignment of the lamp bulb to the optical axis and by keeping the prescribed distance of the bulb from the condenser lens To detect the exact position of the lamp bulb for telecentric illumination pro ceed as follows Mount the Detect lens on the lens turret in place of one of the projection lenses Set the change over knob for condenser ...

Страница 11: ...n Two surface illuminations oblique and vertical are possible To turn on the surface illuminator lamp switch on the MAl N and then SU R FACE See 1 19 As to the mani pulation of the surface illuminator and its support See 1 12 Fig 15 Oblique illumination Fig 15 For this illumination throw the light of the surface illuminator from above slant wise onto the specimen surface being observed Unevenness ...

Страница 12: ...nding upon whether the oblique or vertical illumination is used the position and inclination of the surface illuminator and the convergence of the light should be differently adjusted Even in the same type of illumination the most suitable lighting conditions are not the same according to the magnification chosen Therefore it is necessary every time the type of illumination or magnification is cha...

Страница 13: ...1 44 44 135 118 5 6 11 11 27 22 0 J LA 3 5 7 7 16 13 100X 3 5 14 14 30 28 t 0 f 1 200X 1 7 8 8 20 19 _ _ B 300X 1 1 8 8 21 21 400X 0 8 6 6 12 12 500 X 0 7 6 6 12 12 Fig 20 0 3 5 5 11 11 In this table the free working distance of each lens means a clearance between the focal plane and the lens front A or the bottom end of half refiecting mirror Bl when the lens is critically focused to the specimen...

Страница 14: ...ifficult or troublesome by means of other instruments The measuring methods with the Profile Projector should be various according to the measured accuracy of measurement required etc Several basic methods will be described below 1 Placing a scale on the screen Fig 22 Dimensions of the screen image can be measured using a scale on the screen sur face In this case for reading of the scale a magnify...

Страница 15: ...der where the difference is obtained not in the magnified but in the actual value directly Fiducial lines Difference Fig 23 3 Comparing with master chart Inspection of a specimen of complicated shape as shown in Fig 24 can easily and accurately be made by superposing the projected image on the master chart Needless to say that the chart should be drawn exactly at a prescribed magnification and be ...

Страница 16: ...en into coincidence with a side of the angle to be measured the apex being in contact with the center of the cross lines and take reading of the angle on the protractor Then by rotating the screen bring the same line up to the other side of the angle and read the protractor The difference between the two readings will give the angle to be measured Fig 25 Fig 26 In measuring a fairly large angle it...

Страница 17: ...y switching on and off the illuminator of the projector There is a photographing screen available on order which is mounted on the instrument in place of the normal screen It is provided with a plate film or paper is put beforehand dark room will be necessary No correct exposure time can be given here because they vary with the surface of specimen type of illumination magnification voltage of the ...

Страница 18: ...ion coat from being scratched 3 Mirrors Do not touch the mirrors built in the instrument to avoid changing of the position and inclination which causes inaccurate magnification They have aluminium plated surfaces which are liable to be scratched if touched or rubbed If need arises to take dirt or cloudiness off their surfaces contact the maker or his agent 4 Half reflecting mirror The half reflect...

Страница 19: ...d shock al5 far as possible For installation set up the stage surface horizontal Fig 28 Fig 28 If the screen image is too dark check the lamp bulb after taking out If the glass surface of the bulb becomes blackened change the bulb with spare Dust on the surface also may c ausedarkness If darkness arises in the contour illumination check the stage glass and window glass below Darkness in the surfac...

Страница 20: ... Magnification Diameter of Remarks object field lOx 35 6mm Half reflecting mirror attached l7 8mm II II II 11 3mm Half reflecting mirror built in L II II 7 lmm II II II 5 6mm II 3 5mm II II II 1 7mm II l lmm II O 8mm II O 7mm II O 3mm II The lenses with L are specially designed types with longer free distances The above lenses are used commonly for contour and surface illumination including vertic...

Страница 21: ...1 I I With dovetail groove lat Iongi 4 x2 I I I Range of zero resetting 0 1 1 I With block gages For A2 and a block gage are available on order Dial gage mount Permits mounting of a dial gage for measuring height or depth of specimen Supporting bar is available on order Interchangeable with right hand surface illuminator Light source Incandescent lamp 15V 150W with specified filament Same type bul...

Страница 22: ...10 x 100 x included Illumination Contour illuminator Permits telecentric illumination with detecting lens Zooming condenser for 10x 100x Heat absorbing fllter cooling fan and centering device Surface illuminator Permits vertical illumination using half reflecting mirror and oblique illumination directly With vertical lateral and inclination adjustment Heat absorbing fllter cooling fan and centerin...

Страница 23: ...fl 6 x magnifying glass with eyesight adjustment Tilting center fixture T groove type For micrometer stage A2 or E2 Tilting angle 10 one division 10 Dovetail slot type For micrometer stage 0 Tilting angle 15 one division 10 V groove fixture For general use and dovetail groove stage Maximum diameter of specimen held 25mm Maximum height of axis of specimen Approx 47mm for 25mm diameter Dial gage sup...

Страница 24: ...i dori Chuo ku Tokyo 103 Japan NIPPON KOGAKU U S A INC 623 Stewart Avenue Garden City New York 11530 U S A NIKON EUROPEN V Entrepotgebouw Schiphol Centrum Amsterdam The Netherlands NIKON AG Kirchenweg 5 8008 Zurich Switzerland Printed in Japan 70 10 c A 4 ...

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