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<ManualTopic ID="/baanerp/ti/onlinemanual/000159" xml:lang="en">
	<Header>
		<Title xmlns:ssa="http://www.ssaglobal.com" xmlns:HTML="http://www.w3.org/TR/REC-html40">Calculating man/machine hours</Title>
		<Keyword><Level1>Man hours</Level1>
			<Level2>calculating</Level2>
		</Keyword>
		<Keyword><Level1>Machine hours</Level1>
			<Level2>calculating</Level2>
		</Keyword>
	</Header>
	<GeneralSection><Paragraph>The man hours and machine hours that are required to carry out an operation are calculated from the data in the <GUIRef href="/baanerp/ti/rou" role="module">Routing</GUIRef> module.</Paragraph>
		<List><ListIntro>The most important factors are:</ListIntro>
			<ListItem>Batch size, or input quantity of the operation (quantity of items that must be processed).</ListItem>
			<ListItem><Link href="/baanerp/ti/glossary/glossary#000363" role="glossary" Update="No">Average setup time</Link> [minutes].</ListItem>
			<ListItem><Link href="/baanerp/ti/glossary/glossary#000000000000057" role="glossary">Cycle time</Link> [minutes].</ListItem>
			<ListItem><Link href="/baanerp/ti/glossary/glossary#000000000000030" role="glossary">Routing unit</Link>.</ListItem>
			<ListItem><Link href="/baanerp/ti/glossary/glossary#000353" role="glossary">Fixed duration</Link>.</ListItem>
		</List>
		<List><ListIntro>These factors are defined in the following sessions:</ListIntro>
			<ListItem><GUIRef href="/baanerp/ti/rou/tirou0103m000" role="session">Tasks (tirou0103m000)</GUIRef>
			</ListItem>
			<ListItem><GUIRef href="/baanerp/ti/rou/tirou1102m000" role="session">Routing Operations (tirou1102m000)</GUIRef>
			</ListItem>
			<ListItem><GUIRef href="/baanerp/ti/rou/tirou0104m000" role="session">Task Relationships (tirou0104m000)</GUIRef>
			</ListItem>
			<ListItem><GUIRef href="/baanerp/ti/sfc/tisfc0110m000" role="session">Production Planning (tisfc0110m000)</GUIRef>
			</ListItem>
		</List>
		<GeneralSection><SectionTitle>Man hours</SectionTitle>
			<Paragraph>The number of man hours that are required to carry out an operation are calculated as follows:</Paragraph>
			<Formula><Paragraph UserLevel="Novice" UserType="Taskuser">man hours =
(setup time * man occupation for setup) + input quantity of operation *
cycle time/routing unit * man occupation for production</Paragraph>
			</Formula>
			<Paragraph>If the operation has a <Link href="/baanerp/ti/glossary/glossary#000353" role="glossary">fixed duration</Link>, then the man hours are independent of the batch size. The man hours are then calculated as follows:</Paragraph>
			<Formula><Paragraph UserLevel="Novice" UserType="Taskuser">man hours =
(setup time * man occupation for setup) + cycle time/routing unit *
man occupation for production
</Paragraph>
			</Formula>
			<List><ListIntro>A fixed duration can be defined in the following sessions:</ListIntro>
				<ListItem><GUIRef href="/baanerp/ti/rou/tirou1102m000" role="session">Routing Operations (tirou1102m000)</GUIRef>
				</ListItem>
				<ListItem><GUIRef href="/baanerp/ti/rou/tirou0103m000" role="session">Tasks (tirou0103m000)</GUIRef>
				</ListItem>
				<ListItem><GUIRef href="/baanerp/ti/pcf/tipcf3120m000" role="session">Generic Routing (tipcf3120m000)</GUIRef> (for operations in a generic routing).</ListItem>
				<ListItem><GUIRef href="/baanerp/ti/rou/tirou0104m000" role="session">Task Relationships (tirou0104m000)</GUIRef>
				</ListItem>
				<ListItem><GUIRef href="/baanerp/ti/sfc/tisfc0110m000" role="session">Production Planning (tisfc0110m000)</GUIRef>
				</ListItem>
			</List>
			<Paragraph></Paragraph>
		</GeneralSection>
		<GeneralSection><SectionTitle>Machine hours</SectionTitle>
			<Paragraph>The number of machine hours that are required to carry out an operation are calculated as follows:</Paragraph>
			<Formula><Paragraph UserLevel="Novice" UserType="Taskuser">machine hours =
(setup time + input quantity of operation * cycle time/routing unit) *
machine occupation
</Paragraph>
			</Formula>
			<Paragraph>If the operation has a fixed duration, then the machine hours are independent of the input quantity of the operation and the routing unit. The machine hours are then calculated as follows:</Paragraph>
			<Formula><Paragraph UserLevel="Novice" UserType="Taskuser">machine hours =
(setup time + cycle time/routing unit) * machine occupation
</Paragraph>
			</Formula>
			<List><ListIntro>A fixed duration can be defined in the following sessions:</ListIntro>
				<ListItem><GUIRef href="/baanerp/ti/rou/tirou1102m000" role="session">Routing Operations (tirou1102m000)</GUIRef>
				</ListItem>
				<ListItem><GUIRef href="/baanerp/ti/rou/tirou0103m000" role="session">Tasks (tirou0103m000)</GUIRef>
				</ListItem>
				<ListItem><GUIRef href="/baanerp/ti/pcf/tipcf3120m000" role="session">Generic Routing (tipcf3120m000)</GUIRef> (for operations in a generic routing).</ListItem>
				<ListItem><GUIRef href="/baanerp/ti/rou/tirou0104m000" role="session">Task Relationships (tirou0104m000)</GUIRef>
				</ListItem>
				<ListItem><GUIRef href="/baanerp/ti/sfc/tisfc0110m000" role="session">Production Planning (tisfc0110m000)</GUIRef>
				</ListItem>
			</List>
		</GeneralSection>
	</GeneralSection>
	<RelatedTopics><SectionTitle>Related topics</SectionTitle>
		<RelTopic><Link href="/baanerp/ti/onlinemanual/000053" role="manual">To calculate production times of operations</Link>
		</RelTopic>
	</RelatedTopics>
</ManualTopic>
