Siemens Sinumerik 810T Manual de usuario descargar pdf (Pagina 58)

EMCO WINNC SINUMERIK 810/820 T

D 26

PROGRAMMING

L97 Thread Cutting Cycle

Longitudinal, face, inside and outside threads can be

programmed.

The infeed of the tool occurs automatically and is

degressively quadratic. This keeps the cross section

of the chip constant.

Programming the parameter:

R20 Thread pitch (always the value parallel to axis)

R21 Start point of the thread in X

R22 Start point of the thread in Z

R21 and R22 describe the real start point at the

contour.

R23 Number of idle cuts

R24 Thread depth (positive value = inside thread,

negative value = outside thread)

R25 Finishing offset

After automatic cut dividing with roughing oc-

curs a finishing cut with the programmed cut-

ting depth.

R26 Thread let-in, incremental without sign

R27 Thread let-out, incremental without sign

The values R26 and R27 always will be en-

tered parallel to axis without sign. With taper

threads the correct starting and end points will

be calculated automatically.

R28 Number of roughing cuts

R29 Infeed angle (half flank angle)

Flank infeed is only possible with longitudinal

or face threads (no taper threads)

R31 End point of the thread in X (absolute)

R32 End point of the thread in Z (absolute)

R31 and R32 describe the real end point at the

contour.

L971 Longitudinal Thread

This cycle was created for longitudinal and less

tapered threads and is time optimized.

Programming occurs like with L97.

Differences to L97:

R28

pos. sign: degressive infeed

neg. sign: constant infeed

R34

This parameter was inserted additionally. With this

parameter a retraction height of the tool over the

thread can be programmed.

Inside threads: 0,01 - 1 mm

Outside threads: 0,01 - 3 mm

Thread cutting cycle

R22

R21

R31

R32

R27

R26

R24

R25

R20

R29

1 2 ... 53 54 55 56 57 58 59 60 61 62 63 ... 89 90

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Siemens Sinumerik 810T Manual de usuario Pagina 58

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