Siemens CYCLE840: Floating tap tapping

Siemens cycle for tapping with a compensating/floating tap holder.

For reference only: syntax changes with the control, the post-processor and the machine parameters. Check the official manual and run a simulation before cutting. Legal notice.

Family: Siemens
Machine: Milling, Mill-turn
Risk: High
Example: CYCLE840(...)

Siemens CYCLE840

Siemens

Floating tap tapping

E.g.:

CYCLE840(...)

Machine: Milling, Mill-turnRisk: High

Siemens

CYCLE840(...)

Different from CYCLE84 rigid; review tap holders and parameters.

Other codes in Siemens

Siemens R/MSG/GOTOF Siemens variables and flow control Siemens CYCLE85-CYCLE89 Siemens boring Siemens HOLES1/HOLES2 Hole patterns Siemens CYCLE73-CYCLE77 Pockets, islands and spigots Siemens CYCLE93-CYCLE98 Siemens grooving, undercut and threads Siemens CYCLE950 Extended roughing Siemens MCALL Modal cycle call Siemens EXTCALL External subprogram call Siemens ROT/AROT Frame rotation Siemens TRANS/ATRANS Frame translation Siemens SCALE/ASCALE Frame scaling Siemens MIRROR/AMIRROR Frame mirroring

See the full list of G and M codes

Frequently Asked Questions (FAQ)

What does Siemens CYCLE840 mean in a CNC program?

Siemens cycle for tapping with a compensating/floating tap holder. In the catalogue it appears as "Floating tap tapping", within the Siemens family.

How is Siemens CYCLE840 written on each control?

Siemens: CYCLE840(...). The exact syntax depends on the control version and the machine parameters: always confirm with the manufacturer's manual.

Can you give me an example of Siemens CYCLE840?

CYCLE840(...) — Siemens cycle for tapping with a compensating/floating tap holder.

Which machines use Siemens CYCLE840?

Siemens CYCLE840 is used in: Milling, Mill-turn.

What should you watch out for with Siemens CYCLE840?

High risk: a mistake here can cause a crash, a broken tool or an out-of-tolerance part. Simulate the program and dry-run it before cutting.

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