Boring (Cycle86) - Siemens SINUMERIK 828D Operating Manual

Computerized numerical controller for machine tools

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Boring (CYCLE86)

With the "Boring" cycle, the tool approaches the programmed position in rapid traverse,

allowing for the retraction plane and safety clearance. It is then inserted into the workpiece at

the feedrate programmed under F until it reaches the programmed depth (Z1). There is an

oriented spindle stop with the SPOS command. After the dwell time has elapsed, the tool is

retracted either with or without lift of the tool.

If, for example, swiveling or mirroring has been performed with CYCLE800 before

machining, the SPOS command must be adapted so that the spindle position acts

synchronously with DX and DY.

Clamping the spindle

For ShopTurn, the "Clamp spindle" function can be set up by the machine manufacturer.

When lifting, define the amount of lift D and the tool orientation angle α.

The "Boring" cycle can be used if the spindle to be used for the boring operation is

technically able to go into position-controlled spindle operation.

Sinumerik 840d sl