10_2TolsFitsExercise

10_2TolsFitsExercise - DESIGN of FITS I SECT. I mInS=min...

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Unformatted text preview: DESIGN of FITS I SECT. I mInS=min shaft dia _ U EM L 2023 jg A102 - CAD maxS=mOx shaft dia NAMES SIG:I DIMENSION THE HOLE AND SHAFT. USE BASIC HOLE SYSTEM OR SHAFT SYSTEM AS INDICATED. SHOW CALCULATIONS FOR UPPER AND LOWER LIMITS FOR HOLE AND SHAFT. minH=min hole dia maxH=max hole dia BASIC HOLE SYSTEM BASIC SIZE = 3.2500 BASIC SIZE = .7500 ALLOWANCE = +.0070 ALLOWANCE = —.0027 HOLE TOLERANCE = .0063 HOLE TOLERANCE = .0025 SHAFT TOLERANCE = .0045 SHAFT TOLERANCE = .0019 [I TT _.| —>| W BASIC SIZE = 3.7500 ALLOWANCE = +.O125 HOLE TOLERANCE = .0080 SHAFT TOLERANCE = .0065 [I —»| 1+ 5 1* W mill? E LE .7 27 "I ¢.7508 I‘— .7525 _’I ¢.7500 minH=bOsic size= .7500 maxH=.7500+.0025 =.7525 Allowance=minH-maxS maxS=.7500-(—.0027) =.7527 minS=.7527-.001 9 =.7508 BASIC SHAFT SYSTEM BASIC SIZE — 4.3750 ALLOWANCE ; +.oooo HOLE TOLERANCE = .0144 SHAFT TOLERANCE = .0128 Eff? E LE 4. 750 ' I¢4.3622I ' ¢4.3894 'I 4.3750 maxS=bOsic size=4.3750 minS=4.3750-.0128 =4.3622 Allowance=minH-max$ minH=4.3750+.0000 =4.3750 maxH=4.3750+.014-4 =4.3894- BASIC SIZE = 2.3750 ALLOWANCE = +.0000 HOLE TOLERANCE = .0067 SHAFT TOLERANCE = .0057 [$- TT _.| —>| W BASIC SIZE = 2.8750 ALLOWANCE = -.0044 HOLE TOLERANCE = .0031 SHAFT TOLERANCE = .0036 [$- —»| 1+ 5 1* W A106 - CAD HOLE BASIS NAMES SIG:Z :SECT.I ANSI FIT...English Units HOLE BASIS ISO FIT...Metric Units CLASS RC4: RUNNING CLEARANCE NOMINAL SIZE = 1.00 METRIC H8/f7: RUNNING FIT NOMINAL SIZE = 25.4 »I I« 4 L H F H F CLASS OF FIT HOLE: BASIC SIZE SHAFT:— CLASS OF FIT HOLE: SH AFT: :— HOLE UPPER LIMIT HOLE LOWER LIMIT HOLE TOL. SHAFT UPPER LIMIT SHAFT LOWER LIMIT SHAFT TOL. CALCULATIONS MAX SHAFT = MIN SHAFT = MAX HOLE = MIN HOLE = MAX CLEAR ALLOWANCE HOLE UPPER LIMIT HOLE LOWER LIMIT I: I: HOLE TOL. RANGE (IT_) I: SHAFT UPPER LIMIT SHAFT LOWER LIMIT I: I: SHAFT TOL. RANGE (IT__) |:| CALCULATIONS MAX SHAFT = MIN SHAFT = MAX HOLE = MIN HOLE = MAX CLEAR ALLOWANCE ...
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10_2TolsFitsExercise - DESIGN of FITS I SECT. I mInS=min...

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