Sinumerik HOLES 2 Cycle is used to machine circle of holes. It means the operation performed in a circle.

HOLES 2 ( CPA , CPO , RAD , STA1 , INDA , NUM )

Where ,  CPA = Centre point of a circle of holes, abscissa.
CPO = Centre point of a circle of the hole, an ordinate
STA1 = Starting angle
Range : -180< STA1<_ 180 degree
INDA - Incrementing angle
NUM -  No of a drill hole

EXAMPLE : With MCALL drilling cycle CYCLE 81

In this program HOLES, 2 cycles are used only for tool travel at operation position & CYCLE 81 is used to performing an operation. A depth of drilling is 30 mm

HARSH.MPF
N10   G90 G71 G94 F50 ;
N20   T03 D01 M06 ;
N30   S1000  M03  M08;
N40   G17 G00 X45 Y45 Z50 ;
N50   MCALL CYCLE 81 (10 , 0 , 5 , -30 , 0 )
N60   HOLES 2 ( 50 , 50 , 20 , 45 , 45 , 8 )
N70   MCALL ;
N80   G00 X20 Y20 Z50 ;
N90   M05 , M09 , M30 ;

DESCRIPTION

HARSH.MPF- Name of the main program
N10- Absolute coordinate system, a metric input command, feed rate per minute 50;
N20- tool change command select tool no. 3
N30- Spindle on clockwise, speed is 1000 rpm, Coolant on.
N40- Machining in XY-plane, rapid traverse where X 45, Y45 & Z50 ( tool take position )
N50- Modal call CYCLE 81 ( RTP= 10 , RFP= 0 , SDIS = 5 , DP= -30 , DPR =0 )
N60- HOLES 2 ( CPA = 50 , CPO = 50 , RAD= 20 , STA1 = 45 , INDA = 45 , NUM = 8 )
N70- Modal call
N80- Rapid traverse where tool goes X20 ,.Y20 & Z50 ;
N90- Spindle stop , Coolant off, main program end

SIEMENS SINUMERIK HOLES 2 Reviewed by www.hdknowledge.om on March 19, 2019 Rating: 5