• Basic router use questions

    From Chris Green@21:1/5 to All on Thu Feb 20 10:05:28 2025
    It's a long time since I used my router(s) seriously and I'm about to
    do some work that will involve using one of them again. Since it's
    going to be on my little boat in France I need to make sure I know
    pretty well what's needed so I take all the necessary with me.

    What I want to do is to make slots for some of these:-

    https://www.aliexpress.com/item/1005007057524780.html?spm=a2g0o.order_list.order_list_main.23.61001802ssPoGu

    So that they will lie flush with the surface of the panels they are to
    lift. Obviously there will also need to be a 'finger gap' so on can
    lift the handles.

    Questions arising:-

    The surface of the panel is some sort of formica type material, the
    body is wood (or ply, or similar). Will a, say, 1/2" diameter cutter
    plunge cut into this OK or should I drill through the surface first?

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be clamped across as well) or
    is it worth making up a dedicated jig?

    I can make a jig here in the UK and do some tests before going, the
    handles will be arriving here soon.

    --
    Chris Green
    ·

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  • From Tricky Dicky@21:1/5 to Chris Green on Thu Feb 20 12:04:45 2025
    Chris Green <[email protected]> wrote:
    It's a long time since I used my router(s) seriously and I'm about to
    do some work that will involve using one of them again. Since it's
    going to be on my little boat in France I need to make sure I know
    pretty well what's needed so I take all the necessary with me.

    What I want to do is to make slots for some of these:-


    https://www.aliexpress.com/item/1005007057524780.html?spm=a2g0o.order_list.order_list_main.23.61001802ssPoGu

    So that they will lie flush with the surface of the panels they are to
    lift. Obviously there will also need to be a 'finger gap' so on can
    lift the handles.

    Questions arising:-

    The surface of the panel is some sort of formica type material, the
    body is wood (or ply, or similar). Will a, say, 1/2" diameter cutter
    plunge cut into this OK or should I drill through the surface first?

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be clamped across as well) or
    is it worth making up a dedicated jig?

    I can make a jig here in the UK and do some tests before going, the
    handles will be arriving here soon.


    With 10 to make it is probably easier to go,with a dedicated jig less
    setting up to do a simple centre line where you want the handles to go and plunge away. A cutter should go through the Formica but it will shorten the cutters life so I would drill at least one hole with Forstner bit or brad
    point drill just to ease the job of the cutter. If you are concerned about getting a smooth finish at the bottom of the slot , only drill part way to
    get through the Formica and finish it by plunging the router to your
    desired depth.

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  • From The Natural Philosopher@21:1/5 to Tricky Dicky on Thu Feb 20 12:22:03 2025
    On 20/02/2025 12:04, Tricky Dicky wrote:
    Chris Green <[email protected]> wrote:
    It's a long time since I used my router(s) seriously and I'm about to
    do some work that will involve using one of them again. Since it's
    going to be on my little boat in France I need to make sure I know
    pretty well what's needed so I take all the necessary with me.

    What I want to do is to make slots for some of these:-


    https://www.aliexpress.com/item/1005007057524780.html?spm=a2g0o.order_list.order_list_main.23.61001802ssPoGu

    So that they will lie flush with the surface of the panels they are to
    lift. Obviously there will also need to be a 'finger gap' so on can
    lift the handles.

    Questions arising:-

    The surface of the panel is some sort of formica type material, the
    body is wood (or ply, or similar). Will a, say, 1/2" diameter cutter
    plunge cut into this OK or should I drill through the surface first?

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be clamped across as well) or
    is it worth making up a dedicated jig?

    I can make a jig here in the UK and do some tests before going, the
    handles will be arriving here soon.


    With 10 to make it is probably easier to go,with a dedicated jig less
    setting up to do a simple centre line where you want the handles to go and plunge away. A cutter should go through the Formica but it will shorten the cutters life so I would drill at least one hole with Forstner bit or brad point drill just to ease the job of the cutter. If you are concerned about getting a smooth finish at the bottom of the slot , only drill part way to get through the Formica and finish it by plunging the router to your
    desired depth.


    Agreed with one comment. A cheap router bit that you use and throw away
    because its destroyed afterwards may not be the worst option.



    --
    When plunder becomes a way of life for a group of men in a society, over
    the course of time they create for themselves a legal system that
    authorizes it and a moral code that glorifies it.

    Frédéric Bastiat

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  • From Andy Burns@21:1/5 to Chris Green on Thu Feb 20 13:08:45 2025
    Chris Green wrote:

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be

    I'd go with a jig and guide bush, that should give you accuracy and repeatability, as you say you can test on some scrap before you go.

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  • From John Rumm@21:1/5 to Chris Green on Thu Feb 20 14:00:31 2025
    On 20/02/2025 10:05, Chris Green wrote:
    It's a long time since I used my router(s) seriously and I'm about to
    do some work that will involve using one of them again. Since it's
    going to be on my little boat in France I need to make sure I know
    pretty well what's needed so I take all the necessary with me.

    What I want to do is to make slots for some of these:-

    https://www.aliexpress.com/item/1005007057524780.html?spm=a2g0o.order_list.order_list_main.23.61001802ssPoGu

    So that they will lie flush with the surface of the panels they are to
    lift. Obviously there will also need to be a 'finger gap' so on can
    lift the handles.

    So basically you want a rectangular recess (with rounded corners) in the surface so you can reach in and grab the handle to lift it, but
    otherwise it can fold down to be below the surface?

    Questions arising:-

    The surface of the panel is some sort of formica type material, the
    body is wood (or ply, or similar). Will a, say, 1/2" diameter cutter
    plunge cut into this OK or should I drill through the surface first?

    It will plunge ok - slight side to side motion as you plugs will make it easier.

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be clamped across as well) or
    is it worth making up a dedicated jig?

    I would make a jig from a bit of ply or similar, and use a template
    guide inserted into the base of the router to follow it. That way you
    don't need a top bearing cutter, and you have more freedom of choice on
    depth.

    The hole in the template will need to be oversized to allow for the
    difference in diameter between the bush and the router cutter.

    The radius in the corners of your final recess will be dictated by the
    radius of the cutter used.

    I can make a jig here in the UK and do some tests before going, the
    handles will be arriving here soon.




    --
    Cheers,

    John.

    /=================================================================\
    | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------|
    | John Rumm - john(at)internode(dot)co(dot)uk | \=================================================================/

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  • From Chris Green@21:1/5 to Andy Burns on Thu Feb 20 14:06:00 2025
    Andy Burns <[email protected]> wrote:
    Chris Green wrote:

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be

    I'd go with a jig and guide bush, that should give you accuracy and repeatability, as you say you can test on some scrap before you go.

    OK, so what will a jig look like for this? I think I have guide
    bushes that will work with my router.

    --
    Chris Green
    ·

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  • From Tricky Dicky@21:1/5 to Chris Green on Thu Feb 20 15:46:34 2025
    Chris Green <[email protected]> wrote:
    Andy Burns <[email protected]> wrote:
    Chris Green wrote:

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be

    I'd go with a jig and guide bush, that should give you accuracy and
    repeatability, as you say you can test on some scrap before you go.

    OK, so what will a jig look like for this? I think I have guide
    bushes that will work with my router.


    If you have guide bushes for your router then I would use them rather than cutters with bearings ( I will explain if required). Fit your guide bushes
    for to the router base and if you require super accuracy then use a conical mandrel in the tool holder to centre the bush.

    The jig will be a flat piece of material which is thicker than the
    protrusion of the bush. If you are requiring the same distance from an edge then a stop piece can be added on the underside enabling you to simply
    slide the jig along for repeatable distance settings. The opening size in
    the jig is dependant on the cutter diameter and the bush diameter. The most common bush size is 30mm and often comes with the router so using one of
    these subtract the cutter diameter from the bush diameter eg. A 10mm cutter subtracted from 30mm =20mm meaning the cutter is offset by 10mm on the
    radius. In the above example that means the opening in the jig will be 10mm wider all round than the desired cutout in the material. For the above
    example a 150mm x 50mm desired cutout the jig opening will be 170mm X 70mm.

    Do consider how the jig is going to be held in place, if with clamps then
    make sure it is wide enough to use clamps without interfering with the base
    of the router. Alternatively it can be held in place with screws if screw
    holes in the piece being cut are acceptable.

    Richard

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  • From Chris Green@21:1/5 to Dicky on Thu Feb 20 17:22:58 2025
    Tricky Dicky <[email protected]> wrote:
    Chris Green <[email protected]> wrote:
    Andy Burns <[email protected]> wrote:
    Chris Green wrote:

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be

    I'd go with a jig and guide bush, that should give you accuracy and
    repeatability, as you say you can test on some scrap before you go.

    OK, so what will a jig look like for this? I think I have guide
    bushes that will work with my router.


    If you have guide bushes for your router then I would use them rather than cutters with bearings ( I will explain if required). Fit your guide bushes for to the router base and if you require super accuracy then use a conical mandrel in the tool holder to centre the bush.

    The jig will be a flat piece of material which is thicker than the
    protrusion of the bush. If you are requiring the same distance from an edge then a stop piece can be added on the underside enabling you to simply
    slide the jig along for repeatable distance settings. The opening size in
    the jig is dependant on the cutter diameter and the bush diameter. The most common bush size is 30mm and often comes with the router so using one of these subtract the cutter diameter from the bush diameter eg. A 10mm cutter subtracted from 30mm =20mm meaning the cutter is offset by 10mm on the radius. In the above example that means the opening in the jig will be 10mm wider all round than the desired cutout in the material. For the above example a 150mm x 50mm desired cutout the jig opening will be 170mm X 70mm.

    Do consider how the jig is going to be held in place, if with clamps then make sure it is wide enough to use clamps without interfering with the base of the router. Alternatively it can be held in place with screws if screw holes in the piece being cut are acceptable.

    Thanks for this and all the other answers, I will go and do some
    experimenting now I think! :-)

    --
    Chris Green
    ·

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  • From John Rumm@21:1/5 to Tricky Dicky on Fri Feb 21 08:25:13 2025
    On 20/02/2025 15:46, Tricky Dicky wrote:
    Chris Green <[email protected]> wrote:
    Andy Burns <[email protected]> wrote:
    Chris Green wrote:

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be

    I'd go with a jig and guide bush, that should give you accuracy and
    repeatability, as you say you can test on some scrap before you go.

    OK, so what will a jig look like for this? I think I have guide
    bushes that will work with my router.


    If you have guide bushes for your router then I would use them rather than cutters with bearings ( I will explain if required). Fit your guide bushes for to the router base and if you require super accuracy then use a conical mandrel in the tool holder to centre the bush.

    The jig will be a flat piece of material which is thicker than the
    protrusion of the bush. If you are requiring the same distance from an edge then a stop piece can be added on the underside enabling you to simply
    slide the jig along for repeatable distance settings. The opening size in
    the jig is dependant on the cutter diameter and the bush diameter. The most common bush size is 30mm and often comes with the router so using one of these subtract the cutter diameter from the bush diameter eg. A 10mm cutter subtracted from 30mm =20mm meaning the cutter is offset by 10mm on the radius. In the above example that means the opening in the jig will be 10mm wider all round than the desired cutout in the material. For the above example a 150mm x 50mm desired cutout the jig opening will be 170mm X 70mm.

    Excellent explanation good sir :-)

    Do consider how the jig is going to be held in place, if with clamps then make sure it is wide enough to use clamps without interfering with the base of the router. Alternatively it can be held in place with screws if screw holes in the piece being cut are acceptable.

    Alternatively, if clamping is difficult and you don't want a penetrative fixing, stick a couple of strips of masking tape on the underside of the
    jig, and then another couple in a matching pattern on the surface you
    want to route. Apply a bead of CA glue to the tape on the router, then
    spray the mating surface tape with CA glue activator. Now position the
    jig in place. Within a few secs the glue will grab and fix in place. It
    gives a very good fixing that will resist shifting. Once done you can
    price the jig off the surface, and it will pull away at the tape leaving
    the surfaces unmarked. You can then repeat for the next one.


    --
    Cheers,

    John.

    /=================================================================\
    | Internode Ltd - http://www.internode.co.uk | |-----------------------------------------------------------------|
    | John Rumm - john(at)internode(dot)co(dot)uk | \=================================================================/

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  • From Chris Green@21:1/5 to John Rumm on Fri Feb 21 09:04:12 2025
    John Rumm <[email protected]> wrote:
    On 20/02/2025 15:46, Tricky Dicky wrote:
    Chris Green <[email protected]> wrote:
    Andy Burns <[email protected]> wrote:
    Chris Green wrote:

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's >>>> the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be

    I'd go with a jig and guide bush, that should give you accuracy and
    repeatability, as you say you can test on some scrap before you go.

    OK, so what will a jig look like for this? I think I have guide
    bushes that will work with my router.


    If you have guide bushes for your router then I would use them rather than cutters with bearings ( I will explain if required). Fit your guide bushes for to the router base and if you require super accuracy then use a conical mandrel in the tool holder to centre the bush.

    The jig will be a flat piece of material which is thicker than the protrusion of the bush. If you are requiring the same distance from an edge then a stop piece can be added on the underside enabling you to simply slide the jig along for repeatable distance settings. The opening size in the jig is dependant on the cutter diameter and the bush diameter. The most common bush size is 30mm and often comes with the router so using one of these subtract the cutter diameter from the bush diameter eg. A 10mm cutter subtracted from 30mm =20mm meaning the cutter is offset by 10mm on the radius. In the above example that means the opening in the jig will be 10mm wider all round than the desired cutout in the material. For the above example a 150mm x 50mm desired cutout the jig opening will be 170mm X 70mm.

    Excellent explanation good sir :-)

    Do consider how the jig is going to be held in place, if with clamps then make sure it is wide enough to use clamps without interfering with the base of the router. Alternatively it can be held in place with screws if screw holes in the piece being cut are acceptable.

    Alternatively, if clamping is difficult and you don't want a penetrative fixing, stick a couple of strips of masking tape on the underside of the
    jig, and then another couple in a matching pattern on the surface you
    want to route. Apply a bead of CA glue to the tape on the router, then
    spray the mating surface tape with CA glue activator. Now position the
    jig in place. Within a few secs the glue will grab and fix in place. It
    gives a very good fixing that will resist shifting. Once done you can
    price the jig off the surface, and it will pull away at the tape leaving
    the surfaces unmarked. You can then repeat for the next one.

    Thanks for this further idea. The surface isn't **very** pristine and
    is under a carpet but I guess avoiding [more] holes in it wouldn't be
    a bad idea.

    I think I can probably use clamps, it's quite a big panel and I can
    make the jig as large as I like. The only issue is that I have to do
    quite a bit of this at home before my next excursion to the boat in
    France and then hope I've remembered to take eveything needed with me.
    Small things forgotten (or broken) can be obtained when in France but
    major (or expensive) items can't really.

    Thanks again everyone who has contributed ideas, I'll report success
    or otherwise when I return (mid March). :-)

    --
    Chris Green
    ·

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  • From wasbit@21:1/5 to Chris Green on Fri Feb 21 10:17:55 2025
    On 20/02/2025 10:05, Chris Green wrote:
    It's a long time since I used my router(s) seriously and I'm about to
    do some work that will involve using one of them again. Since it's
    going to be on my little boat in France I need to make sure I know
    pretty well what's needed so I take all the necessary with me.

    What I want to do is to make slots for some of these:-

    https://www.aliexpress.com/item/1005007057524780.html?spm=a2g0o.order_list.order_list_main.23.61001802ssPoGu

    So that they will lie flush with the surface of the panels they are to
    lift. Obviously there will also need to be a 'finger gap' so on can
    lift the handles.

    Questions arising:-

    The surface of the panel is some sort of formica type material, the
    body is wood (or ply, or similar). Will a, say, 1/2" diameter cutter
    plunge cut into this OK or should I drill through the surface first?

    What's the easiest way to guide the router for making the U shaped
    slots? I'll be making about ten of them, all the same size. What's
    the easiest/best way to do this? Should I just use a parallel guide
    from the sides (I have a guide that can be clamped across as well) or
    is it worth making up a dedicated jig?

    I can make a jig here in the UK and do some tests before going, the
    handles will be arriving here soon.


    Just be aware that not all router bits are bottom cutting so if you need
    to plunge cut make sure you choose one that does.


    --
    Regards
    wasbit

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  • From Andrew@21:1/5 to John Rumm on Fri Feb 21 12:27:09 2025
    On 20/02/2025 14:00, John Rumm wrote:
    On 20/02/2025 10:05, Chris Green wrote:
    It's a long time since I used my router(s) seriously and I'm about to
    do some work that will involve using one of them again.  Since it's
    going to be on my little boat in France I need to make sure I know
    pretty well what's needed so I take all the necessary with me.

    What I want to do is to make slots for some of these:-


    https://www.aliexpress.com/item/1005007057524780.html?spm=a2g0o.order_list.order_list_main.23.61001802ssPoGu

    So that they will lie flush with the surface of the panels they are to
    lift.  Obviously there will also need to be a 'finger gap' so on can
    lift the handles.

    So basically you want a rectangular recess (with rounded corners) in the surface so you can reach in and grab the handle to lift it, but
    otherwise it can fold down to be below the surface?

    I thought he said a carpet is normally on top of these panels, so
    a depression ?8mm deep is going to be obvious if you plant your
    heel into it.

    I thought he wanted to route out a slot just over 8mm wide and deep
    to accomodate just the tubular shape of that handle when folded flat.

    I'm not sure where the stub below the hinges will end up though.

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  • From Chris Green@21:1/5 to Andrew on Fri Feb 21 13:14:33 2025
    Andrew <[email protected]> wrote:
    On 20/02/2025 14:00, John Rumm wrote:
    On 20/02/2025 10:05, Chris Green wrote:
    It's a long time since I used my router(s) seriously and I'm about to
    do some work that will involve using one of them again.  Since it's
    going to be on my little boat in France I need to make sure I know
    pretty well what's needed so I take all the necessary with me.

    What I want to do is to make slots for some of these:-


    https://www.aliexpress.com/item/1005007057524780.html?spm=a2g0o.order_list.order_list_main.23.61001802ssPoGu


    So that they will lie flush with the surface of the panels they are to
    lift.  Obviously there will also need to be a 'finger gap' so on can
    lift the handles.

    So basically you want a rectangular recess (with rounded corners) in the surface so you can reach in and grab the handle to lift it, but
    otherwise it can fold down to be below the surface?

    I thought he said a carpet is normally on top of these panels, so
    a depression ?8mm deep is going to be obvious if you plant your
    heel into it.

    Yes, though I mentioned the carpet later on.

    I thought he wanted to route out a slot just over 8mm wide and deep
    to accomodate just the tubular shape of that handle when folded flat.

    That's the idea, a U shaped slot that the handle just drops into,
    obviously it needs a bit of clearance round it and a 'finger hole'
    along one side to be able to lift it up.


    I'm not sure where the stub below the hinges will end up though.

    In a slightly deeper counter-bored hole. The stub is (if I remember
    right) 14mm and the panel is 30mm thick so there's adequate depth for
    it. A bolt through from the other side will hold it, I'll add a good
    size 'penny washer' or similar to be sure it won't break through.

    --
    Chris Green
    ·

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