Siemens SINUMERIK 840D sl Operating Manual page 409

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The following insertion modes can be selected – (only for ∇, ∇∇∇ or ∇∇∇ edge):

Predrilled (only for G code)

Approach reference point shifted by the amount of the safety clearance with G0.

Insert vertically in longitudinal groove center:

The tool is inserted to infeed depth at the "inside left" reference point.

Note: This setting can be used only if the cutter can cut across center.

Helical(only for G code) insertion on helical path:

The cutter center point traverses along the helical path determined by the radius

and depth per revolution (helical path). If the depth for one infeed has been

reached, a full longitudinal slot is machined to eliminate the inclined insertion path.

Insert with oscillation along center axis of longitudinal slot:

The cutter center point oscillates along a linear path until it reaches the depth

infeed. When the depth has been reached, the path is traversed again without

depth infeed in order to eliminate the inclined insertion path.

Clamp/release spindle (only for end face C/peripheral surface C, if inserted vertically)

The function must be set up by the machine manufacturer.

Depth infeed rate – (for vertical insertion only)

(only for G code)

Depth infeed rate - (only for insertion, predrilled and perpendicular)

Maximum pitch of helix – (for helical insertion only)

(only for G code)

Radius of helix – (for helical insertion only)

(only for G code)

The radius cannot be any larger than the milling cutter radius; otherwise, material will

Maximum insertion angle – (for insertion with oscillation only)

Chamfer width for chamfering - (for chamfering only)

Insertion depth of tool tip (abs or inc) - (for chamfering only)

* Unit of feedrate as programmed before the cycle call

Operating Manual, 03/2013, 6FC5398-8CP40-3BA1

Programming technology functions (cycles)

Sinumerik 828d turning