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Topics - stevehuckss396

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1
Below is a little snippet of code generated by CamBam

The G81 and G83 lines read as

G81 X-0.4136 Y0.1305 Z-0.03 R0.025 F5.0
G81 X0.4139 Z-0.03

G83 X-0.4136 Y0.1305 Z-0.6 Q0.05 R0.025 F5.0
G83 X0.4139 Z-0.6

How do I make the post processor put in the complete line of code every time. Mach4 needs the complete line or it wont run the code. I'm sure the processor only puts on the line what variables have changed but now it needs to do it for every line weather it changed or not. See below changes.

G81 X-0.4136 Y0.1305 Z-0.03 R0.025 F5.0
G81 X0.4139 Y0.1305 Z-0.03 R0.025 F5.0

G83 X-0.4136 Y0.1305 Z-0.6 Q0.05 R0.025 F5.0
G83 X0.4139 Y0.1305 Z-0.6 Q0.05 R0.025 F5.0













( Made using CamBam - http://www.cambam.co.uk )
( CaliperFrontFixture 3/25/2015 9:15:04 PM )
( T1 : 0.047 )
( T2 : 0.062 )
( T3 : 0.055 )
G20 G90 G91.1 G64 G40
G0 Z0.125
( T1 : 0.047 )
T1 M6
( Center Drill )
G17
M3 S1000
G0 X-0.4136 Y0.1305
G98
G81 X-0.4136 Y0.1305 Z-0.03 R0.025 F5.0
G81 X0.4139 Z-0.03
G80
( 1/16 Drill Bit )
G0 Z0.125
( T2 : 0.062 )
T2 M6
M3 S1000
G0 X-0.4136
G98
G83 X-0.4136 Y0.1305 Z-0.6 Q0.05 R0.025 F5.0
G83 X0.4139 Z-0.6
G80
( 1/16 Endmill )
G0 Z0.125
( T3 : 0.055 )
T3 M6

2
Feature Requests / Hello Andy! Do you take requests?
« on: September 13, 2021, 19:23:51 pm »
I was wondering if in your next update you could include another option to the "Lathe cut direction" to include "both"? Most of the time I cut in both directions to save time. The standard is to go to the right end of the part, go into cutting depth, cut along Z toward the chuck until the desired spot is reached, pull out to rapid height, and return to the right end of the part for another bite. What I do is when I reach the desired spot, I plunge into the part for another bite, and then cut away from the chuck until I get to the right end. Then I plunge to the next height and cut some more. I will include an example of what I am trying to do. If this could become an option it would eliminate a lot of editing. This method of cutting turns a 6 minute part into a 3 minute, 20 second part.

Thanks for listening.
Steve
 

3
Lathes and Turning / Funky tool path in Mach4
« on: September 04, 2021, 19:51:29 pm »
This is on a lathe. Cambam output looks good in Mach3 but in Mach4 I am getting some arc's that the radius appears either too large or too small. I'm not sure whats going on. Cambam file uses Mach4-Lathe post processor which is mach3lathe with Invert arc's being false instead of true. One pic shows the tool path in cambam and the other shows it in mach4. Some arcs look tight and some arcs are loose so bad you can see a belly in the bottom of them. I am using the default Incremental mode. Should I be using another of the 4 for mach4?

Edit: Tried all 4 modes and not fixed. Tried the fanuc PP also because the Mach4 is supposed to follow the Fanuc format but still no fix.

 

4
Installation Help / Trouble joining forum
« on: August 29, 2021, 19:32:35 pm »
I had a pal call me because he has tried to join the forum and ultimately would like to purchase Cambam. He has tried with Firefox, Chrome, and IE. Said it asked him to spell CNC and then asked whats bigger a mouse or a dolphin but cant seem to get past that part. I told him I would get on and see if I can get him some help getting on. Is there a way to help him get on?

5
Lathes and Turning / Mach4 vs Mach3 Gcode?
« on: August 28, 2021, 16:04:27 pm »
Does Mach3 lathe code directly cross over to Mach4 lathe? I have a .tap that runs good in mach3. Mach4 has the arc mode settings matching my mach3 setup. At the G03 the tool path goes clockwise gouging into the piece instead of going counter clockwise and leaving a nice radius on the end of the piece.

Distance mode is set to Absolute and IJ mode is set to Incremental just like Mach3. I have been using this code to make this piece for well over a year just wont translate to Mach4.

G20 G90 G91.1 G64 G40 G18


6
CamBam plus feedback / Never appreciated Cambam Forum more.
« on: August 22, 2021, 21:27:43 pm »
Oh my god! I cant tell you how much I have grown to appreciate this forum in the last week. I get on here with a problem (seldom) and usually have a few replies the next day. I have been on the mach4 forum for a week and got my first reply to 1 of 3 three threads. I have emailed Warp9 about issues and never heard back. Trying to get help sux! I hope everyone here knows, and if you don't I'm here to tell you, this forum is special in the fact that help comes very easy. I guess I have gotten spoiled over the years from this group so thanks for doing what you do!

7
Members Machines / Mach4 nightmare
« on: August 15, 2021, 15:03:46 pm »
I have searched and watched all the youtube videos and cannot come up with an answer.

Brand new computer with windows 10
Old Lathe control panel with zero wiring changes. Added ESS smoothstepper and plugged the old parallel cable into the new ribbon cable
Installed mach4 and setup the smoothie
Configured everything to what I believe is correct. Checked many times

X and Z axis will only jog one way and they move together. I have X configured on pins 2 and 3 and Z configured on pins 6 and 7. I have checked at least a dozen times to be sure that X is motor 0 and Z is motor 1. I switched back and fourth between the smoothie setup and the mach4 setup but I have to believe I missed something or clicked something that should not be clicked.

Anybody ever have this kind of thing happen to them? If someone could maybe suggest some things to check? I can post photos of setup screens if that will help. I have been running licensed Mach3 for 15 years so this upgrade to mach4 is alot of "new" for an old fart. Im stumped!

So this morning  I tried to start from scratch. I reinstalled everything. Ran down the Warp9 installation guide step for step. Everything seems to be doing what its supposed to. X+, Z- & Z+ jog buttons make both motors move at the same time in the same direction. X- jog button does nothing. I think the ESS must be bad. What else could it be?

8
Members Projects / Spark plug story
« on: October 23, 2020, 21:42:00 pm »
Thought you might get a kick out of this. A few months back I was contacted by a guy named Carl Smith about some 1/4-32 spark plugs. When i asked him for a shipping address so I could calculate shipping he gave me the address for Wood Brothers Racing in North Carolina. They are the oldest NASCAR racing team still around started in 1951. I sold them 8 plugs and a tap and when I emailed them that the stuff was coming I asked what the plugs are for and if they could send some pictures ( I do that to everybody ). Must have been the day the plugs arrived I got a call from Carl and he thanked me for the plugs and said there were no photos yet. They are building a one half scale static model of the 427FE engine that was in the 1966 GT40 that won Le Mans. The model was commissioned by Bill Ford who wants to put it in the Henry Ford Museum. At the time I was working 7 days but I finally got a weekend off last week so I redesigned the insulator and cap to resemble a Ford Autolite BF-22 racing plug. That is the same plug that would have been used in a 1966 427FE back in the day. Then he told me that when that project is delivered the boys in the shop were talking about building a running 427 at half scale. So today I sent off 18 of the redesigned plugs. 8 for the museum engine, 8 for the boys in the shop, and 2 spares. When they finish the project my spark plugs will be in the Henry Ford Museum.

CamBam saves the day, Again!

Standard 1/4-32 on the right, replica Autolite in the center. It's not exactly to scale but it looks much better than the standard 1/4-32



9
Members Projects / 9 cylinder radial parts
« on: July 21, 2019, 19:38:29 pm »
Just showing off some crankcases for a 9 cylinder model aircraft engine. I used CamBam to create the code for all the flat work. I used that code to make a subroutine. Then the A axis work was all hand coded. So the subroutine was called to do the milling, then the a axis would turn 40 degrees, and the subroutine was called again. Did it 9 times and all the milling was done. To keep it simple I did the milling, spot drilling, and drilling in 3 separate programs. The hand coding of the A axis was only about a page is it was easy peesy. CamBam did the hard part.

10
Related Softwares / Jogging A axis in Mach3????
« on: March 02, 2019, 21:49:57 pm »
I just installed and configured a 4th axis on the mill. Everything is setup and working perfectly. I can use MDI to move the axis but I cannot figure out how to jog the axis with the keyboard. Is there a set of keys that are already configured like X, Y, and Z or do I have to manually setup the A axis with the system hot keys.

read somewhere it was - and + but that did not work.

I also tried to search "jogging A axis" but the forum won't search unless all words are more than one character so that was zero help.

Thanks in advance.

11
Members Projects / Giant sparkplug
« on: February 03, 2019, 00:26:32 am »
After needing assistance to complete some lathe work I had to post a CB file and then later posted a picture of the finished part. Don't think I ever explained what it was. It was the lower insulator of a sparkplug that will be just under a foot tall. I have been trying to get a miniature sparkplug business off the ground so it will be on my table to catch the eye of potential customers. As I complete the parts I will drop some pictures here as CamBam will play a big role in the project.


This is the lower insulator and the lower electrode.


12
CamBam help (General usage) / Bug in lathe mop
« on: January 27, 2019, 16:43:52 pm »
Think I may have found a problem with the lathe MOP.

Using the .094 diameter tool the lathe tool should face off the part at Z0.047 or half the diameter. On the roughing cuts the code only cuts and faces back to Z0.000 leaving the parts .047 shorter. On the finishing pass it finishes out to Z0.047 which is correct.

The tool paths generate to the correct path but the code is incorrect.

look at the gcode and see if you see what I am seeing?

13
CamBam help (General usage) / Styles and librarys gone
« on: January 27, 2019, 15:29:07 pm »
My pewter crashed while cambam was open. When I restarted the computer it cambam reported a bad xml file and started up as if it was the first time running. Is there any way to recover the styles and tool library or even better the configuration that was in place just before it crashed?

Where would that info be stored?

14
Members Machines / KBC 9X20 Conversion
« on: November 17, 2018, 21:55:25 pm »
Hello gang!

I have been slowly working on converting a 9X20 to CNC. My pal Jimmy passed away last year and I was called upon to help assess his collection of machines and materials and try to find good homes for them. after the smoke cleared the lathe was still there so I gave what I thought was a fair price and brought it home. He bought it brand new and it is still in "new" condition.


First thing that was done was to strip the machine of all of the gears in the gear box. The lead screws were also removed as well as there mounts. The gear box housing was reused to mount the stepper motor. The motor is mounted to a mount ing plate on the left. On the right there is a bearing block with 2 angular contact bearings in it. There is a piece I made to drive the screw coupled to the motor. The ball screw is machined to fit into the "driver" and has a roll pin. The other end of the screw is supported with a bearing with plenty of screw sticking out for a future hand wheel. There is a double ball nut with a good stiff spring between them but I still have to figure out how i'm going to index them together.

15
CamBam help (General usage) / Scaling STL files
« on: June 22, 2018, 01:09:56 am »
I have a situation where I need to scale an STL file, open it in cad and save it as a part so I can confirm it is the proper size and will work with the project.

The software that created the file and exported in STL format scales the project down but when the export takes place it is always full scale.

My cad program will scale parts that it creates but will not scale these imported files.

CamBam can scale the STL but cannot save or export the scaled STL so it can be loaded into cad for comparison.

Is there anything out there that can load an STL, resize it, and then save at the new size?

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