Re: [CAD_CAM_EDM_DRO] Re: Bridgeport CNC Mill???

On Fri, Oct 7, 2011 at 03:55, Steve Blackmore <steve@...> wrote:

> **
>
>
> On Thu, 6 Oct 2011 23:13:03 -0400, you wrote:
>
> >The Haas machines I use on a daily basis don't allow you to jog during
> feed
> >hold. However, you can feed hold, then spindle stop. Pressing cycle start
> >again will restart the spindle and coolant before restarting table motion.
> > Additionally, if you reset the program, then manually select a line to
> >start from, the machine will read through and perform any necessary tool
> >changes, spindle starts, load offsets, etc, necessary to restart without
> >crashing.
>
> Perhaps it's not enabled or old software?
>
> Haas have a run-stop-jog-continue (RSJC) feature that allows the
> operator to interrupt program execution, jog away from the part to
> perform a desired task, and then return to the interruption point and
> resume program execution. Once RSJC is initiated, the operator is able
> to stop and start the spindle, jog the XYZ axes individually (axes other
> than X, Y, and Z cannot be jogged), or command a tool release. The
> following describes the RSJC procedure. (Software version 11.20 and
> above.)
>
> 1) While a program is running, press FEED HOLD. This will stop all
> motion (after any canned cycle in process has been completed.)
>
> 2) Press X, Y or Z followed by the HANDLE JOG key. The control will
> store the current X, Y or Z position. Axes other than X, Y, and Z cannot
> be jogged.
>
> 3) At this point, the control will display the message JOG AWAY, and
> will tick once each second or so. The operator can use the jog handle,
> remote jog handle, the HANDLE JOG increment buttons (.0001/.1, .001/1.,
> .01/10., .1/100.) or the JOG LOCK buttons to move the tool away from the
> part. Now you can use the COOLNT key to cycle the coolant, and CW, CCW,
> STOP to operate the spindle. You can also use the TOOL RELEASE button,
> and turn Through-Spindle Coolant (TSC) on and off using the AUX CLNT
> key. Note that using AUX CLNT requires that the spindle be rotating and
> that the door be closed. At this point tools can be swapped out and the
> associated length and diameter offsets adjusted. However, when the
> program is continued, the old offsets will still be used for the return
> position and any motion commands already in the queue. It is therefore
> unsafe to swap out tools and adjust offsets when the program is
> interrupted during a cut.
>
> 4) When you�re ready to continue, jog to a position as close as possible
> to the stored position, or to a point where there will be an
> unobstructed rapid path back to the stored position.
>
> 5) Return to the previous mode by pressing MEM, MDI or DNC. The control
> will only continue normally if the mode that was in effect at the time
> of the interrupt is re-entered.
>
> 6) Press CYCLE START. The control will display the message JOG RETURN
> and rapid X and Y at 5% to the position where FEED HOLD was pressed;
> then it will do the same for Z. The rapid rate override keys have no
> effect during JOG RETURN. Note that the control will not follow the path
> the operator used to jog away. Instead, it will perform simple moves
> without regard for obstacles. Therefore, a crash is possible. If FEED
> HOLD is pressed during this motion, the control will go into a feed hold
> state and display the message JOG RETURN HOLD. Pressing CYCLE START will
> cause the control to resume the JOG RETURN motion. When the motion is
> completed, the control will again go into a feed hold state.
>
> 7) Press CYCLE START again and the program will resume normal operation.
>
> Steve Blackmore
> --
>
>
>


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