5.1 FIGUUR 5.1 hieronder toon 'n skroeFFraadrwysersplaat wat op 'n draaibank voorkom - NSC Mechanical Technology Fitting and Machining - Question 5 - 2023 - Paper 1
Question 5
5.1 FIGUUR 5.1 hieronder toon 'n skroeFFraadrwysersplaat wat op 'n draaibank voorkom. Benome die dele A-C.
5.2 FIGUUR 5.2 hieronder toon 'n diagram van 'n taps met ... show full transcript
Worked Solution & Example Answer:5.1 FIGUUR 5.1 hieronder toon 'n skroeFFraadrwysersplaat wat op 'n draaibank voorkom - NSC Mechanical Technology Fitting and Machining - Question 5 - 2023 - Paper 1
Step 1
5.1 Benome die dele A-C.
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Answer
A. Leiskroef
B. Wysplaat
C. Wurmwiel / wurmrat
Step 2
5.2.1 Die lengte van die taps
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Answer
Gebruik die volgende formule: L=2⋅tan(2θ)D−d
Hier is heta=11°, D=65 mm, en d=45 mm.
Substitueer die waarde in die formule:
L=2⋅tan(5,5°)65−45
Dus, L=103,85 mm.
Step 3
5.2.2 Die oorstelling van die loskop wat vereis word om die taps te sny
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Answer
Gebruik die volgende formule: x=2L(D−d)
Hier kan ons L insit wat ons pas bereken het (L=103,85 mm):
x=2103,85(65−45)
Gevolglik, x=10 mm.
Step 4
5.3.1 Wydte
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Gebruik die formule:
Wydte=4D=470=17,50 mm
Step 5
5.3.2 Dikte
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Gebruik die formule:
Dikte=6D=670=11,67 mm
Step 6
5.3.3 Lengte
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Answer
Gebruik die berekening:
Lengte=1,5×diameter van as=1,5×70=105 mm
Step 7
5.4 Bereken die gemiddelde diameter
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Answer
Gebruik die formule:
GemiddeldeDiameter=OD−(21×P)
Hier is OD=38−2=36 mm.