KB-121
G-Code Modal State Explained
A practical guide to g-code modal state explained, with setup checks, a decision table and a repeatable CNC test for safer shop decisions.
Knowledge Base Topic · KB-S13
CNC G-Code and Controller Fundamentals
Read modal state, units, offsets, arcs, cycles and safe-start intent in plain English.
Structured learning collection
10 guides10 practical guides
Open one guide at a time or follow the numbered sequence.
KB-122
G90 vs G91: Absolute and Incremental CNC Motion
Understand g90 vs g91: absolute and incremental cnc motion with practical setup checks, a decision table and a repeatable CNC test.
KB-123
G20 and G21 CNC Units: Preventing Scale Errors
Understand g20 and g21 cnc units: preventing scale errors with practical setup checks, a decision table and a repeatable CNC test.
KB-124
G54 Work Offsets in a Repeatable CNC Setup
A practical guide to g54 work offsets in a repeatable cnc setup, with setup checks, a decision table and a repeatable CNC test for safer shop decisions.
KB-125
Using G53 Machine-Coordinate Moves Carefully
A practical guide to using g53 machine-coordinate moves carefully, with setup checks, a decision table and a repeatable CNC test for safer shop decisions.
KB-126
CNC Arc Commands: IJK and Radius Concepts
A practical guide to cnc arc commands: ijk and radius concepts, with setup checks, a decision table and a repeatable CNC test for safer shop decisions.
KB-127
CNC Canned Cycles in Plain English
A practical guide to cnc canned cycles in plain english, with setup checks, a decision table and a repeatable CNC test for safer shop decisions.
KB-128
Feed, Spindle and Tool Commands in G-Code
A practical guide to feed, spindle and tool commands in g-code, with setup checks, a decision table and a repeatable CNC test for safer shop decisions.
KB-129
Write and Review a CNC Safe-Start Block
A practical guide to write and review a cnc safe-start block, with setup checks, a decision table and a repeatable CNC test for safer shop decisions.
KB-130
A Plain-English Checklist for Reading G-Code
A practical guide to a plain-english checklist for reading g-code, with setup checks, a decision table and a repeatable CNC test for safer shop decisions.