CMM JUSTIFICATION WORKSHEET


This worksheet is provided as a guide only. No responsibility for accuracy is implied or will be accepted. No information  is; or can be; retained by using this worksheet.
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Please enter your Monthly Hours, Costs, Parts, Values, in the corresponding boxes.
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REDUCED INSPECTION TIME
XX=

X

 .25 0
Hours to Inspect
an average part
 £.00 Internal Labour
Rate per Hour
 Parts per
Month
 £ Cost to
Inspect Parts
 Est. 25% Increased
Efficiency per Month
£ Labour Savings with
CMM Per Month
XX=0

X

 1 0
Hours to Generate
Inspection Report
 £.00 Internal Labour
Rate per Hour
 Parts per
Month
 £ Cost to Generate
Reports
 100% Efficiency -
Reports are Automated
£ Labour Savings with
CMM Per Month
REDUCED PRODUCTION MACHINE DOWNTIME
XX=0

X

 .25 0
Machines Hours downtime
 waiting part inspection
 £.00 Internal Labour
Rate per Hour
 Parts per
Month
 £ Cost of Idle Labour
per Month
 25% Est. Reduction
in Idle Labour
per Month
£ Labour Savings with
CMM Per Month
 X .25 0
Monthly Cost of Lost Production (due to machine downtime)25% Est. Reduction
in Lost Production
Costs per Months
£ Labour Savings with
CMM Per Month
REDUCED SCRAP & REWORK
 X .05 0
Monthly cost of scrap (Improved inspection reduces costs)5% Est. Reduction
in Scrap rate
£ Savings by Reducing
Scrap with CMM
 X .20 0
Monthly cost of  Rework (improved inspection reduces Rework)20% Est. Reduction
in Rework rate
£ Savings by Reducing
Rework with CMM

 £ Total Savings Per Month0 

Payback in Months  =        Cost of CMM
Total Savings per month
 00
 Cost of CMM Total Savings Per MonthMonths to payback