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Mike Lynch
2 min read
Three important comparisons to consider
There are three relatively simple comparisons you can do in order to evaluate a machine’s productivity level – that is – its level of...
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Mike Lynch
1 min read
Make all sizing adjustments with offsets
One of my cardinal rules is that all sizing adjustments should be done with offsets. However, I do – from time to time – see operators...
97 views0 comments
Mike Lynch
2 min read
A custom macro A program to safely check and position a cutoff tool
by George Bahn About 10 years ago we purchased a couple of Tsugami’s SX20 sliding-headstock machines. These machines require 2 programs...
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Mike Lynch
3 min read
Running multiple parts from a bar with a sub-spindle machine
Suggested by Troy Hubert of Cox Manufacturing In past issues of this newsletter, we have addressed this topic for chucker-type CNC...
403 views0 comments
Mike Lynch
2 min read
Why do machines sit idle?
Every time you walk the shop floor, you should take note of which machines are running and which ones aren’t. Ideally, you should find...
172 views0 comments
Mike Lynch
2 min read
Watch out for that G28 command!
As you know, the G28 command is used to send the machine to its zero return position. At the completion of a G28, the machine will be at...
47 views0 comments
Mike Lynch
1 min read
Making user defined G codes modal
As you probably know, is possible to create user defined G codes with custom macro B. That is, you can cause the machine to execute a...
364 views2 comments
Mike Lynch
2 min read
How does G66 work?
G66 is one of the more misunderstood custom macro B commands. Fanuc calls it a modal custom macro call. It looks just like a G65 command....
5,352 views0 comments
Mike Lynch
2 min read
Two applications for L0
With most Fanuc controls, the L word is used to specify the number of repetitions for a subprogram call. The command M98 P1000 L4 for...
137 views0 comments
Mike Lynch
2 min read
Who are your gatherers?
If you place a high priority on keeping your CNCs running, you better ensure that the people running them are able to keep up. When a...
21 views0 comments
Mike Lynch
1 min read
Does your machining center have an air-blow system for the spindle?
Most machining centers have an air blowing system within the spindle. During an automatic tool change, air will be blown from inside the...
877 views0 comments
Mike Lynch
4 min read
Six steps for creating a loop
One of the most powerful features of custom macro B is looping. With just a few commands, a loop can generate hundreds, even thousands of...
3,481 views0 comments
Mike Lynch
3 min read
What are directional vectors?
Current model CNC controls make it easy to create circular commands. You simply specify the direction (G02: clockwise or G03: counter...
417 views0 comments
Mike Lynch
3 min read
Monitoring two important operation panel settings
The operation panels of a typical CNC machine have lots of buttons and switches. Setup people and operators must, of course, know the...
44 views1 comment
Mike Lynch
2 min read
Watch out for block delete applications
As you know, block delete can be used to give the operator a choice between two conditions. The operator is told to turn the block delete...
91 views0 comments
Mike Lynch
4 min read
Rounding or truncating to a specific number of decimal places
Suggested by Keith Recker of GMT Corporation There are times when a custom macro programmer needs to round a calculated value to a given...
1,327 views0 comments
Mike Lynch
2 min read
What is included in your setup documentation?
In most companies, the programmer/s will provide – for every job – a setup sheet that tells the setup person how to make the setup for...
65 views0 comments
Mike Lynch
2 min read
Tech school instructors! Prepare students for hiring interviews
As educators, we spend most of our allotted training time making sure students understand presented material. We want them, of course, to...
45 views0 comments
Mike Lynch
1 min read
Limiting wear offset amount
Submitted by Suhas L. More of Macro CNC Solutions If an operator makes a mistake with an offset entry, the results can be disastrous....
125 views0 comments
Mike Lynch
3 min read
Word meanings in the G76 threading command
As you know, turning centers that have Fanuc and Fanuc-compatible controls have a multiple repetitive cycle (G76) that dramatically...
279 views0 comments
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