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G84 vs G74: Tapping Cycles Explained Simply
G84 taps right-hand threads, G74 left-hand, both locked to one pitch per revolution. Feed math, rigid tapping vs float holders, and the classic tap killers.
Lawrence Arya··10 min
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G98 vs G99: Canned Cycle Return Planes Explained
G98 retracts to the initial level, G99 only to the R plane. How to mix them around clamps, the lathe feed-mode trap, and the cycle time G99 really saves.
Lawrence Arya··10 min
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G81 vs G83: Drilling Canned Cycles Explained
G81 is a simple drill cycle and G83 is a peck drill cycle for deep holes. Here is how canned cycles work, their R, Z, and Q words, and when to use each.
Lawrence Arya··5 min
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G71 vs G72: Lathe Roughing Cycles Explained
G71 roughs with passes along Z for shafts and long profiles, G72 roughs with passes along X for faces. Here is how each cycle works and which to pick.
Lawrence Arya··5 min