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Siemens CNC | CYCLE802 | Arbitrary Positions

CYCLE802 Introduction This cycle (CYCLE802) allows you to freely program positions, i.e., rectangular or polar. Individual positions are approached in the order in which you...

CNC | M03-M04-S Command | Spindle Speed

Spindle Speed Introduction The spindle speed is programmed in revolutions per minute under the address S provided that the machine possesses a controlled spindle. The direction...

Siemens CNC | G70 and G71 Codes | Inch – Metric Conversation

G70 and G71 Codes Introduction If workpiece dimensions that deviate from the base system settings of the control system are present (inch or mm), the...

CNC Lathe | G50.2 and G51.2 | Polygon Turning

Polygon Turning Introduction When rotating the workpiece and a tool at a certain ratio, a polygonal figure can be machined. For example, by changing conditions such...

Siemens CNC | RET Code | Subprogram Return Jump

RET Code Introduction In the Siemens shell cycles for stock removal (as in ISO Dialect), it is necessary after roughing to resume program execution in...

G73 Cycle Examples for CNC Lathe

G73 Pattern Repeating Cycle The G73 Pattern Repeating Cycle is used for profile repetition on CNC lathes. This cycle is generally used for profile repetition...

Siemens CNC Lathe | G79 – G94 Cycle | Facing

Straight Facing Cycle Introduction With the commands of “G... X(U)... Z(W)... F... ;”, straight facing cycle of 1 to 4 as shown in Fig. 4-11...

Siemens CNC Lathe | G78 – G92 Cycle | Thread Cutting

Thread Cutting Introduction For thread cutting operations, four kinds of thread cutting cycles are provided – two kinds of straight thread cutting cycles and two...

Siemens CNC Lathe | G77 – G90 Cycle | Cutting

Cutting Cycle Introduction The cutting cycle (G90 or G77, sometimes also G20 depend on machine builder/parameter setting) is used for outside diameter (OD) cutting and...

CNC | G27 Code | Reference Point Return Check

Introduction This function checks whether the axes are correctly returned to the reference point at the completion of the part program which is created so...
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