ISO 230-2 / GB/T 17421 aware tools
CNC Calculator Workbench
Choose a task and start with the right calculator. Keep cutting data, cycle time, cost, ROI, maintenance, and equipment decisions in one practical tool system.
Formula-first workbench
Start with the formula, unit chain, and release check before a result becomes a quote, NC program, or purchase decision.
Set cutting parameters
RPM, feed rate, chip load
Estimate cycle time
Cut time, setup, quoting
Compare machine economics
ROI, payback, capacity
Select equipment
Axis, envelope, scoring
Plan maintenance risk
PM, downtime, MTBF
Continue the workflow
Move from a first calculation into the next validation step without changing the page intent.
Quick launch
Most-used tools
31
tools
±5μm
checks
100%
client-side
Known-answer examples
Check RPM, feed, time, cost, and ROI math against simple cases before scaling the job.
Release checks
Validate machine limits, toolmaker data, first-article results, and finance assumptions.
Shop-floor calibration
Compare measured cycle time, spindle load, scrap, downtime, and invoice data to the estimate.
Business & Decision
4 toolsFINANCIAL
Equipment Selection Calculator
3-Axis · 5-Axis · Scoring
Total Cost of Ownership Calculator
Lifecycle · NPV · Amortization
ROI & Capacity Calculator
OEE · Payback · Utilization
Tax Depreciation Calculator
MACRS · §179 · Bonus
Engineering Tools
7 toolsPRODUCTION · TECHNICAL
Feeds & Speeds Calculator
Cutting ParamsRPM & Cutting Speed Calculator
ConversionsChip Load Calculator
Per-ToothMaterial Removal Rate Calculator
Removal RateBottleneck Simulation Calculator
TOC SimulationMaintenance Cost Calculator
PM SchedulingMachining Time Calculator
Cycle EstimateMaterial Reference
10 toolsFEEDS & SPEEDS
Material
Alloys / Type
Material
Alloys / Type
Knowledge Base
Technical guides, case studies, and ISO standards reference