Millwright Level 1 Formulas
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RPMQmetricQ-QCORRECTQANSWERQ-RPMQ=QcuttingQspeedQ×Q320Q÷Qdiameter
woodruffQKeyQ-QCORRECTQANSWERQ-
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tailQstockQoffsetQmetricQ-QCORRECTQANSWERQ-TailQstockQ=QlargeQdiameterQ-
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slingQstressQformulaQ-QCORRECTQANSWERQ-TQequalsQWQ/QnQxQlQ/QV
FeedQrateQ
- CORRECTQANSWERQ-feedQrateQ=QchipQloadQ×QspindleQspeedQ×numberQofQteeth
Q Q
RPMQimperialQ-QCORRECTQANSWERQ-RPMQ=QcuttingQspeedQ×Q4Q÷QdiameterQ
RPMQmetricQ-QCORRECTQANSWERQ-RPMQ=QcuttingQspeedQ×Q320Q÷Qdiameter
woodruffQKeyQ-QCORRECTQANSWERQ-
firstQtwoQnumbersQmultipliedQbyQ1/32QandQsecondQsetQofQnumbersQareQ*Q1/8
tailQstookQoffsetQimperialQ-QCORRECTQANSWERQ-TailQstookQ=QTPF×overallQlengthQ÷Q24
tailQstockQoffsetQmetricQ-QCORRECTQANSWERQ-TailQstockQ=QlargeQdiameterQ-
QsmallQdiameterQ÷Q2Q×QtapperQlengthQ×QoverQallQlength
slingQstressQformulaQ-QCORRECTQANSWERQ-TQequalsQWQ/QnQxQlQ/QV