Step 1 of 4
Your shop's operation
The baseline. These numbers describe how your shop runs today — both machines are evaluated against the same operation.
Target number of parts you need to make annually.
What the customer pays you per finished part.
Wage + benefits + payroll tax.
Step 2 of 4 · Machine A
Your current machine (or Option A)
Tell us what you're running today. This is the baseline you'll compare against.
Chip-to-chip including load/unload.
% of scheduled hours the spindle is actually cutting.
% of available capacity the shop schedules onto this machine.
Step 3 of 4 · Machine B
Selway Machine (Option B)
Pick a Selway brand preset to auto-fill realistic specs, or enter your own.
Step 4 of 4
Overhead, taxes & payback term
Capitalized one-time costs and shared facility expenses. We amortize the one-times over the payback term you set.
Rent + utilities allocated to the machine's footprint.
Power + air + coolant.
If you've eaten penalty fees for late deliveries, enter the annual hit.
C-corp federal default 21%. Consult your tax advisor for your entity.
Results
Head-to-head outcome
Side-by-side comparison based on the inputs you entered.
PROJECTED WINNER
—
$—
more annual profit vs. the other
MACHINE A
—
Cost per part$—
Annual parts shipped—
Annual revenue$—
Annual cost$—
Annual profit$—
Payback period—
5-yr cumulative profit$—
5-yr NPV$—
ROI over payback—%
MACHINE B
—
Cost per part$—
Annual parts shipped—
Annual revenue$—
Annual cost$—
Annual profit$—
Payback period—
5-yr cumulative profit$—
5-yr NPV$—
ROI over payback—%
Delta — what Machine B unlocks vs. A
Extra parts/yr
—
Extra revenue/yr
$—
Extra profit/yr
$—
5-yr savings
$—
Estimates only. Final ROI depends on part complexity, tooling, fixturing, programming, and operator skill. Section 179 / depreciation benefits vary by entity type — consult your tax advisor.