Re: OT Router bit speed

On Sun, 19 Jun 2005 20:37:02 GMT, Ben Bradley
<ben_nospam_bradley@xxxxxxxxxxxxxxx> wrote:

>On Sun, 19 Jun 2005 19:56:04 +0100, "john jardine"
><john@xxxxxxxxxxxxxxxxxxxxx> wrote:
>
>>
>>"Andrew VK3BFA" <ablight@xxxxxxxxxxxxxxxx> wrote in message
>>news:1119188503.612935.90540@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>> Yeh, I know, its got bugger all to do with electronics, but real
>>> engineers usually know this sort of stuff anyway.
>
> Posts like this get good answers because Real Engineers have
>interests in more than one field.
>
>>> What speed do you run your router at when trenching a piece of MDF
>>> (Medium Density Fibreboard - God only knows what everyone else calls
>>> it). Is slow, fast, or REALLY fast?
>
> There was a running joke on rec.woodworking years ago (perhaps it's
>still going), when everyone imitated newbies by asking "What's MDF?"
>
>>>
>>> 73 de VK3BFA Andrew
>>>
>>Use normal 'high' speed. More importantly though, is that the router bit is
>>sharp and preferably Carbide tipped. Routing just a couple of feet of MDF
>>moulding can easily kill a high speed steel edge.
>>You know the job is lost when the bit starts glowing Cherry Red.
>
> Another thing is depth. If you try to cut a deep and wide path, you
>can have a cherry red bit in less than a foot of routing. Start with a
>shallow cut and do many passes, each a little deeper. Depending on bit
>and what you're cutting, go maybe 1/4" or even 1/8" or less deeper on
>each pass. I forget where I read this, perhaps in some handbook on
>routers or Cumpiano's "Guitarmaking" book, but it made the difference
>between bits getting so hot I got burnmarks (in mahogany), wondering
>what was going on, and getting the job done.
> My routing was for a 1/4" rod, threaded (by me) on one end, heated
>in the middle and folded over, then put into the slot routed in a
>guitar neck, then fretboard glued on, for string tension compensation.
>The guitar and some parts of building it is shown on my website,
>thought not this part - it's straight out of Cumpiano's book.
>
> For more questions, post to rec.woodworking, it's a really active
>group.
>
>>regards
>>john
>>
>
>-----
>http://www.mindspring.com/~benbradley
I enjoyed these posts. Years ago I was into the furniture from MDF,
and even from solid mahogany timber.

Only one routing cutter to use -- tungsten carbide tipped.

Cheers de MikeN
.

Relevant Pages

  • Re: OT Router bit speed
    ... Posts like this get good answers because Real Engineers have ... >> What speed do you run your router at when trenching a piece of MDF ... Routing just a couple of feet of MDF ... guitar neck, then fretboard glued on, for string tension compensation. ...
    (sci.electronics.design)
  • Re: Just got a Trem King TK-1. Trem routing?
    ... This is the routing info.http://www.tremking.com/im_install/TK-1_rout.pdf ... If you have a router you could clamp board across the guitar to act as ... You might have to take the guitar apart remove the hardware. ...
    (alt.guitar)
  • Re: getting routes from internet facing routers
    ... Attacker can get the routing info by exploiting routing protocol in ... Just have a proper ACL on the router, ... seeing what private IP routes ... Securing Apache Web Server with thawte Digital Certificate ...
    (Security-Basics)
  • Re: router help needed ....urgent
    ... > I have a cisco router 1800 series with a 4 port fast ethernet card. ... Policy-based routing is your only option. ... and even then you are at the mercy of your provider to make it work. ...
    (comp.dcom.sys.cisco)
  • Re: router help needed ....urgent
    ... now what i need is that all my traffic for internet ... >> routing or PBR on cisco, ... If both links are to the same ISP router then you can use BGP ... Why not just put the 2 internet feeds into a hub/switch and connect the router by 1 ethernet port and use IP routing and NAT to determine the best route to use. ...
    (comp.dcom.sys.cisco)