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0110 guides
CNC Router Fundamentals
Build a safe technical foundation, from machine anatomy and coordinates to cutting parameters and a first-project workflow.
Browse topic →Independent CNC learning library
Understand the machine. Improve the process.
Practical explanations, worked examples and calculators for CNC setup, tooling, machining costs, maintenance and shop decisions. Start with a topic, follow a learning path, or open the tool you need now.
250knowledge guides
21organized topics
64free calculators
0signups required
Structured learning
Build knowledge one topic at a time
0210 guides
CNC Woodworking Project Foundations
Choose sheet goods and solid wood, plan reliable profile cuts, then apply the decisions to useful shop projects.
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0310 guides
CNC Toolpaths and Cutting Operations
Understand clearing, profiles, entry moves, drilling, finishing, safe heights, sequencing and simulation.
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0410 guides
CNC Router Bits and Tool Selection
Choose and document cutter geometry, dimensions, flute count, reach, collet fit, runout and wear.
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0510 guides
CNC Accuracy, Calibration and Inspection
Measure repeatability, squareness, reversal, scale, tram, tool length and finished parts before correcting them.
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0610 guides
CNC Workholding and Fixture Design
Design safer, repeatable clamps, vacuum fixtures, nests, locating systems and two-sided setups.
Browse topic →Practical tools
Calculate with your own shop data
Each tool shows the inputs and result directly. Use the output as a planning value, then confirm it against machine limits, tooling data and a controlled test.
Free calculatorCNC Cutting Speed & Feed Rate Calculator
Calculate optimal spindle RPM, feed rate (IPM), chip load, and material removal rate for any CNC milling operation. SFM auto-fills from material selection — includes reference data for 13 materials.
Open tool →Free calculatorCNC Machining Cost Calculator (2026 USA Shop Rates)Free CNC machining cost calculator with 2026 USA shop rates. Estimate milling, turning & 5-axis part prices in seconds — material, cycle, setup & margin.
Open tool →Free calculatorCNC Machine ROI CalculatorCalculate your return on investment, payback period, and break-even production for any CNC machine purchase - no signup required.
Open tool →Free calculatorPress Brake Tonnage CalculatorCalculate required bending tonnage from material type, thickness, bend length, and die opening. Instantly checks if your existing machine is sufficient — covers 10 materials.
Open tool →Free calculatorSheet Metal Weight CalculatorCalculate the weight of steel, aluminum, or stainless steel sheet by gauge, dimensions, and quantity. Instant results in pounds and kilograms - no signup required.
Open tool →Free calculatorCost per Part (Machine + Labor) CalculatorCalculate the true manufacturing cost per part by combining machine hourly rate and labor cost. Perfect for CNC machining, injection molding, stamping, and assembly lines.
Open tool →Learn from measured signals
CNC condition monitoring, explained without the jargon
A 50-guide learning path uses an open Bosch Research machining dataset to explain vibration waveforms, baselines, FFT features, validation and practical alert design.
Explore condition monitoring
Chart created by TWC Industrial from selected Bosch CNC Machining dataset files; not a universal diagnostic threshold.New to CNC?
Begin with these four guides
01
CNC Router FundamentalsCNC Router Parts and How They Work Together
Read →02CNC Woodworking Project FoundationsHow to Choose Plywood for CNC Router Projects
Read →03CNC Toolpaths and Cutting OperationsCNC Pocket vs Adaptive Clearing: Which Strategy Fits the Job?
Read →04CNC Router Bits and Tool SelectionCNC Router Bit Anatomy: Diameter, Shank, Flute and Cutting Length
Read →