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Fig.7 Universal cap-shaped measuring accessories

5. Application and operating method

5.1 Key points fore application
5.1.1 Selection and adjustment for the cap-shaped measuring accessories

For  contact-type  universal  length  instrument,  it  can  avoid  from  the  bigger  measuring
errors to select and adjust the cap-shaped measuring accessories reasonably.

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Summary of Contents for EX-100

Page 1: ...EX 100 Manual for Universal Length Instrument with Digital Processing SUZHOU EASSON OPETO ELECTRONICS CO LTD...

Page 2: ...t and correction 15 5 2 Measuring a typical workpiece 15 5 2 1 Measurement of workpiece outer dimensions 15 5 2 2 Measuring a cone 16 5 2 3 Inner dimension measurement using double measuring accessori...

Page 3: ...2 3 First Loose slightly the left right 4 then Loose slightly the left right 7 Then remove the left right 4 and left right 7 Note carry out at same step during removing 4 and 7 4 Lock 1 and hold the...

Page 4: ...3 Fig 3...

Page 5: ...ral auxiliary accessories to improve its universal applications main subjects to be measured 1 Shaft hole plug gauge ring gauge clip gauge length bar cone cylindrical workpiece lower grade block gauge...

Page 6: ...ith long life and high reliability b Photoelectric translation The scale is a black and white raster with 100 scales at each 1mm The indicating raster is a tetrad division phases When adjusting the fo...

Page 7: ...al measuring accessories 1 60 b Universal measuring accessories 14 112 Thread measuring accessories a Thread pitch diameter measuring Max 200mm Pitch 0 5 6 b Internal thread pitch diameter measuring U...

Page 8: ...uter diameter for the rod fitting with the inner diameter of the measuring cap shaped accessories 6g6 3 9 mm instrument size Length width height 990 390 450 4 Structure 4 1 Base See Fig 2 It is used t...

Page 9: ...7 Locking hand wheel for worktable Lifting 8 Top limit screw for lifting the worktable 9 Bottom limit screw for lifting the worktable 10 Height figured scale for lifting the worktable 11 Adjusting kn...

Page 10: ...board single V shaped rack double V shaped rack or a cross shaped rack According to the requirements the universal worktable may carry out the following motions a The universal worktable can be adjust...

Page 11: ...e the Abbe measuring device The locking screw 20 is used to lock the spindle at a position The measuring spindle can move within 100mm The raster reading head is fixed with the measuring spindle and m...

Page 12: ...used to measure a hole with a diameter within 1 60 mm It can be used to measure a hole with a diameter within 14 112 mm if the universal measuring accessories are applied Dmax 60 K W mm Where wall th...

Page 13: ...th different sizes It is recommended to use the large size measuring accessories as possible during measuring The small size measuring accessories can be used to measure a hole diameter within 10 430...

Page 14: ...d rod 59 penetrating depth 5mm a 12mm ball end rod 60 penetrating depth 8mm and a rod 61 with a 100mm stylus These rods can be fixed on the measuring accessories at 25mm interval within 200mm The maxi...

Page 15: ...ting method 5 1 Key points fore application 5 1 1 Selection and adjustment for the cap shaped measuring accessories For contact type universal length instrument it can avoid from the bigger measuring...

Page 16: ...ce between parallel planes Spherical cap shaped measuring accessories Cylindrical parts Spherical cap shaped measuring accessories move the worktable to find the turn over point as the highest point o...

Page 17: ...s produced by the weights 2 5N and 1 5N Turn the button 31 shown in Fig 2 and open a door to fetch weights During measuring a large size workpiece or using large size measuring accessories apply a mea...

Page 18: ...as Fig 13 to measure a cylinder first adjust the knob according to Fig 13a to make the worktable tilt to left and right find the minimum reading i e the first turn over point and the state Then move t...

Page 19: ...t for workpiece Then calculate L according to the above formula and correct the measuring results the workpiece and instrument temperature can be checked with a attached thermometer With regard to our...

Page 20: ...after b is carried out to see if the value L0 changes If not the value L0 will be effective To find shape error of the workpiece repeat b several times change the workpiece position to be measured and...

Page 21: ...When using small size measuring accessories it is necessary to change the shaft into a special one and make its mark align with the tailstock mark The measuring accessories are mounted on the fixed s...

Page 22: ...applied to indicate the contact state It owns high precision and can be used to measure a small hole due to its not using the measuring force It shall be adjusted as follows before measuring a Check i...

Page 23: ...and record the reading A1 Turn the transversal micro active handwheel to make the rob leave from the workpiece until the rob approach the hole wall again Record the reading A2 while the LED flashes C...

Page 24: ...hod a According to the LED indication collect two points a1 a2 at two ends of chord 1 b Make the transversal handwheel move a distance H c According to the LED indication collect two points a3 a4 at t...

Page 25: ...t and the measuring method is similar to 5 2 4 They also can be used together with the tilted carrier Fig 10 During the robcontacting with each side of the workpiece it is needed to place weight in di...

Page 26: ...mm P mm 3 pin diameter d mm Pitch P mm 3 pin diameter d mm 0 2 0 3 0 35 0 4 0 45 0 5 0 6 0 7 0 118 0 142 0 201 0 232 0 260 0 291 0 343 0 402 0 75 0 8 1 0 1 25 1 5 1 75 2 0 2 5 0 433 0 461 0 572 0 724...

Page 27: ...stroke Remove the workpiece and make the two cap shaped measuring accessories contact to reset and return the instrument back to the measuring spindle Move the worktable up or down to make the axial...

Page 28: ...of an internal thread pitch diameter Fig 18 For measuring an internal pitch diameter the used method is a relative measurement The standard sample is combined of a pair of measuring block with standar...

Page 29: ...28 P2 8 d2 P 2 Ctg 2 d Sin 2 Fig 16 Measuring principle for internal thread Metric thread Pitch p mm Imperial thread Pitch p Ball diameter d mm 2 8 5 0 8...

Page 30: ...s needed to calculate the dimension E for underlay between the measuring blocks E d2 P 2 Ctg 2 a b P2 8 d2 P 2 Ctg 2 d Sin 2 Measuring steps for internal pitch meter a Combined Standard Sample Accordi...

Page 31: ...ead measuring rob according to Fig 19 Mount the workpiece and press it tightly with a spring bearer plate Move the rob to approach to the workpiece hole The worktable shall have enough space for float...

Page 32: ...mm in the previous example d2 0 060 0 0268 0 0332 mm the actual pitch diameter d2 51 329 0 0332 51 3622 mm Fig 18 Measuring an internal pitch diameter 6 Maintenance 6 1 The room for mounting the inst...

Page 33: ...elements if required first wipe off the dust by using a brush with absorbent fine soft hair then wipe lightly them with absorbent and clean fine soft cloth or a piece of absorbent cotton dipping with...

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