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post #1 of 8 (permalink) Old 11-14-2004, 07:30 AM Thread Starter
 
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Question Plunge Routers

Can I mount a plunge router in a table and use the plunge feature? I keep reading where some remove the plunge springs... why? I would like to set my workpiece at a designated location i.e. like a mortise machiene, complete the proceedure and retract the bit. Is this possible? As you can see, I am new to router tables. Thank you very much.
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post #2 of 8 (permalink) Old 11-14-2004, 09:08 AM
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Removing the springs makes for easier adjustment not fighting spring pressure to get your height.

Once you have made your cuts you can lower the bit height below the tables surface.


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post #3 of 8 (permalink) Old 11-14-2004, 11:08 AM
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Hi, OSGA:
The reason most people take the springs out of the plunge routers when they are
table mounted is that you have to fight the spring tension to adjust the height of the bit. I also see it as a possible problem if a large bit is being used, since it may be to large for the throat of the router. Like a panel raising bit for instance. If it was retracted by accident into the router injury to the operator, and the router could occur.
Hope this helps you. Woodnut65
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post #4 of 8 (permalink) Old 11-14-2004, 09:49 PM
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I guess I never thought about anyone using a bit larger then the throat of the router, do people really do that? A plastic one would shred but I wouldn't want to think of a brass one or any metal ones.

I guess a safety tip would be to never use a bit larger then the throat of the router or table insert and the springs or no springs doesn't matter.

Ed
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post #5 of 8 (permalink) Old 11-15-2004, 01:44 PM Thread Starter
 
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Quote:
Originally Posted by ejant
Removing the springs makes for easier adjustment not fighting spring pressure to get your height.

Once you have made your cuts you can lower the bit height below the tables surface.
Thanks to all for the input. I guess what I meant to ask was... is there an apparatus where by I can plunge the bit at a specific location continue with the plow and retract the bit at another pre determined point. I thought that would be the advantage to using a plunge router. Otherwise, I assume the workpiece would have to be lowerwed into the bit, produce the cut desired then raise the workpiece, something I would like to avoid if possible. Once again, thanks to all.
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post #6 of 8 (permalink) Old 11-15-2004, 05:05 PM
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OK then let me answer this way. Yes they do make set-ups to do that, I don't recall who sells them or who makes them...... I have also seen plans for doing this with a foot lever idea.

Most of us just lower the wood onto the spinning bit and take it off at the end of the cut using marks on the fence or using clamp blocks.

If I remember where I have seen some of these I'll post again.

Ed
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post #7 of 8 (permalink) Old 11-18-2004, 09:25 PM
 
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Many plunge routers come with a revolving depth stop turret with 4 adjusting screw threads.
Pre-setting these and the use of a plunge bar makes it much easier to cut at different depths.
I only use my fine height adjuster for changing the depth of cut as each turn is 1mm (40 thou)
With a 50mm (2") plunge stroke and 25mm (1") adjustment on the fine height adjuster this covers all my table needs.
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post #8 of 8 (permalink) Old 11-19-2004, 06:32 PM
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Attached is a picture of an up-plunge router table. Sorry I have no other details.

Ed
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