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Type: Posts; User: bobhare

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  1. Thread: Slot machining

    by bobhare
    Replies
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    1,090

    Slot machining

    I'm trying to machine a couple of spirals on a 2mm brass plate, see image, using 1 pass. The slot width is 2.5mm and i would like to use a 2.5mm cutter to machine the slot.
    However, because the slot...
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    2,708

    Circular pattern limiting instances

    Hi
    I'm trying to produce a spiral bevel gear and whilst I've cut the tooth profile i can only circular pattern 27 teeth out of the 40 I require.
    What prevents this and how do i overcome it?
    The...
  3. Thread: Machining tags

    by bobhare
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    868

    Machining tags

    I'm machining out the material between the spokes of a wheel using the profile feature as opposed to pocket in 2.5D as the latter takes significantly longer. However, using profiling the loose piece...
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    Re: Solidworks Spur Gear Generator

    That seems to have done the trick. As with most of these problems the answer is obvious once revealed. There was a further problem which i'm sure your solution will resolve. Using Solidcam to...
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    Re: Solidworks Spur Gear Generator

    I have just copied some modified gears onto a flash drive and copied them onto another computer running SW.
    I save them to a new folder and build an assembly from them. All's well.
    Close and...
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    Solidworks Spur Gear Generator

    Hi
    I'm generating spur gears using the toolbox without and difficulty. The file, located in Solidworks Data - Copied Parts, is read only so i save it to my project file.
    I then need to modify it...
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    4,117

    Re: Spin too large; check machine ID file

    I've opened another file in the post-procerror files "LinuxCNC.vmid" This opens as the attached but i can't find the spindle speed in this file....
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    Re: Spin too large; check machine ID file

    Thenks for your reply.
    In the post-processor files i've found a "LinuxCNC.vmid.backup" and a "LinuxCNC_bkp0vmid"
    I opened these using free file viewer and found in both files the spindle speed set...
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    4,117

    Spin too large; check machine ID file

    I've been running my 3D router with a fixed speed spindle motor and set the speed in the tool section at 3000rpm. Everything worked well.
    I'm now using a 3phase motor controlled by a VFD and this...
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    4,439

    Spin too large; check machine ID file

    I've been running my 3D router with a fixed speed spindle motor and set the speed in the tool section at 3000rpm. Everything worked well.
    I'm now using a 3phase motor controlled by a VFD and this...
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    1,311

    Re: Limit and home switches not working

    Posed same question on LinuxCNC site and got good lead.
    I had to change the parallel cable, due to gender change on BOB, and the new cable was not fully populated.
    Changed cable and all goes well.
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    1,311

    Limit and home switches not working

    I had my machine set-up with a DB25-1205 BOB running a 240V woodworking router and all was well except an occassional error with the z-axis limit switch.
    I decided to change to a 3 phase motor...
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    1,442

    Re: Controlling spindle via VFD and LinuxCNC

    Thanks for your reply and i've managed to get it working, at last!
  14. Replies
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    1,442

    Controlling spindle via VFD and LinuxCNC

    I have connected an Huanyang VFD to a 3 phase spindle and it works well when controlled directly by the VFD. However, I'm having difficulty controlling it through LinuxCNC.
    The BOB wiring is shown...
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    3,435

    Limit stepover in 2.5D pocket milling

    I'm sure the answer's simple but i can't find a way of setting a maximum to the tool step-over in a 2.5D pocket milling operation. There is the ability to set a minimum but i want to take gentler...
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    1,022

    Spline Machining

    I've produced a curve using a spline in Solidworks and used SolidCam to machine the profile.
    When machining the spline i noticed that that the machine "jerked" along the path; I use LinuxCNC...
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    1,702

    Re: Start level in milling operation - g-code.

    Great. I've been thrashing around trying to find how to control it and your reply has sorted the problem.
    Thanks
  18. Replies
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    1,702

    Start level in milling operation - g-code.

    Hi
    When i come to set up the levels for a milling operation the "start level" is pre-set and greyed out.
    When i check the g-code it initially goes to a position set by this start level. I could...
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    1,129

    Conventional milling in 3D milling option

    I'm machining a 3D contour in wood and would like to conventionally mill it as opposed to climb milling but I can't see a way of doing this.
    Is it possible?
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    2,777

    Re: Conventional milling

    Changed to the pocket option and this solved the problem with one of my other posts and allowed conventional milling.
    Your reply was much appreciated.:cheers:
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    Re: Mark Open Edges

    Marvellous. Thanks for the reply which worked as you suggested. I was locked into the contour op and didn't thing laterally.
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    2,777

    Conventional milling

    I have been working my way through "SolidCAM 2016 Milling Training Course 2.5D Milling" and got to trying to machine the open pockets on page 157 of exercise 4. With difficulty i managed it but i...
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    2,063

    Mark Open Edges

    I have been working my way through "SolidCAM 2016 Milling Training Course 2.5D Milling" and got to trying to machine the open pockets on page 157 of exercise 4. I found in some web search that this...
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    Re: Editing .gpp files - How?

    Thanks to you both. My brain must have gone to sleep.
  25. Replies
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    Editing .gpp files - How?

    I am using Linux CNC and have found some files in another post that allows me to post process the output of Solidcam to operate my machine.
    However, i need to edit one or two things in the .gpp file...
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    1,407

    Re: Solid CAM and LinuxCNC

    Thanks. I'd read somewhere else that the Fanuc post-processor should be ok. I guess it just wouldn't run if it found some inconsistencies.
    From what you say there isn't a generic post processor that...
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    Solid CAM and LinuxCNC

    I've been using Inventor HSM for my CAM activities and it's possible to post process the information to a format which is compatible with a generic Linux CNC machine.
    In Solid CAM this generic set...
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    Re: Axis speed too slow

    Just ordered a 23HS8404 with an impedance of 1.8mh and some 4 start 8mm lead screws.
    I'll report back when re-assembled.
    Thanks
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    Re: Axis speed too slow

    It looks like new lead screws and motors; but that's life.
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    Re: Axis speed too slow

    Andrew
    Thanks for taking the time to read my lengthy post and as i wrote it i was drawn, sadly, to the same conclusion.
    I think the machine is rigid enough but haven'measured it's stiffness and if...
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