Microstep Website http://www.microstep.cc/eng
北京欣斯达特数字科技有限公司 Beijing Flourishing Start Digital Technology Co., Ltd
page: 28
Radius compensation
Radius compensation control code can remove the effect on the size by the kerf.
Kerf
Kerf width, not cutting radius, kerf value should be the same as the actual kerf width, and
consider expansion and extraction by temperature.
Radius compensation lead-in/lead-out section: it’s not cut-in/cut-out section. It means
non-radius compensation change to radius compensation (lead-in section), and radius
compensation change to non-radius compensation (lead-out), this section is usually G00,
among two closed figures (from compensation to non compensation, then to compensation
again), one G00 program section is OK; it’s both lead-in section and lead-out section.
Compensation direction
Forward along cutting direction, left kerf compensation (G41) when compensate deviate
left, right kerf compensation (G42) when compensation deviate right.
Sections transition types:
Shortened type: when cut inner angle, cutting track can’t reach programming coordinate
point, end in advance and go to next program to cut.
Lengthened type: when cut exterior angle of two straight lines, cutting track needs to
extend forward over programming point
Transition type: when two sections are not straight lines at the same time, lengthened part
is inserted a transition circular arc
Transition type of two straight lines: shortened type and lengthened type should avoid so
big corner
From straight line to circular arc, from circular arc to straight line, from circular arc to circular
arc: shortened type and transition type
Radius compensation in right way
After radius compensation, from the first cutting program section, deviate program outline
a radius, till cancel radius compensation
If the workpiece needs good surface, pay attention to choose styles of cut-in/cut out
section and length, as well as torch movement’s effect on finished workpiece after lead-
out
Choose proper position for cut-in/cut-out point, try to avoid affecting workpiece surface.
Chapter 10 Controller input/output connection
Controller’s ports: XS12 input/output (DB25 pins), XS3(15 pins), XS8-RS232 serial port (15
pins to connect remote control)
10.1 Controller input principle
Common limit/start/pause etc. use mechanical switches, for avoiding interference, the
normally closed contact of the mechanical switch is usually used, connection as below.
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