microscope Failure vIneH

a, shi wa'DIch adjustable QaQ focal 'ab tlhegh qamDu' lan qaStaHvIS hardness meter (pagh microscope) Qap mIw, carved check verification method lan Hol, laH Huv QutwI' qaStaHvIS eyepiece vision 'emvo' projection jIHDaq shang pagh Hol carve tlhegh qamDu' carve tlhegh, vIlegh 'ej coincide, ghIq readings microscope tlhegh carve vaj adjustment eyepiece 'emvo' tlhegh carve je 'ej compared Hol carve tlhegh qamDu' carve tlhegh , vaj qaSlaH pa' naQ measurement range 5 paragraph interval measurement, 3 poH, tlhap 3 poH compared ghot'e' motlhbogh, compared interval paragraph Segh bIr mIw wIje'laHbe'chugh vaj relative Qagh w pong xia calculation:

w =(li-l) /l×100%

Segh: Qagh w--(mm), li-reading microscope comparison 'aD length(mm), (jIH = 1 ~ 5), l-reticle Hol ghISDen comparison actual 'ab (mm).

compares microscope ghISDen paragraph pong paragraph je Del wovbe' laD 0.5 vatlhvI' vaj wej exceed ± Qagh.

cha'DIch, failure Hegh'e' je adjustment

1. microscope cloudy Huv

meq 'elbogh: lens lam pagh moldy.

troubleshooting: HeghDI' tu'lu' dust lam lens, brush, lo' pagh wipe SoQvetlh along circular path, 'ach fluid loss wipe. bo chagh, vaj je lens nav pagh je cotton wool ngoSmo' qaStaHvIS alcohol ether, pagh.

2. pagh chu' qaStaHvIS neSlo' HeH indentation vIlegh

meq 'elbogh: 'op QeyHa'moH lens.

elimination: fastening lens QeyHa' jatlhqa'.

3. reading not coincide microscope ghISDen lo'laHghach 'ej gauge ghISDen

meq 'elbogh: focal 'ab choH luj, lens lenses QeyHa' lens objective lens pagh tube gasket DeSDu' connection.

elimination: objective lens ngaQ, washer miss, 'ej qaSpu'DI' fiddling je thickness, washers yuQmeyDaq, minimum position calibration Qagh.

4. lo'laHghach matay'DI' puS gauge ghISDen ghISDen microscope reading

meq 'elbogh: qegh ghur lens, vaj chaq QeyHa' tube pemvaD.

troubleshooting: tube connector retighten.

Say' pol, tIq poH, laH lan neH dryer toprevent mold reading microscope. mIw DanoHmeH yISeH, vaj je wej microscope QIH, measurement accuracy 'ej chavmoH yIn Sov wIHutlh.