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Type: Posts; User: curtiss

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  1. Replies
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    special jig

    Have you ever made a special jig to hold something or do something and then forgot what it is for???

    So you then decide you cannot ever throw it away ???

    I have a few of those...
  2. Spindle speeds

    So do I understand that the speed of all spindles are controlled by a computer interface

    or do some have a simple speed setting switch on the spindle itself ?

    The spindle and speed controller...
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    Fire & Bot rescue chief Andy

    Sounds like a lot of plywood work for a 1/4 inch bit of any kind. I would guess use at least a 3 flute 3/8th bit of some kind. Vacuum hold down can spread a fire pretty quickly.

    The bit people...
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    desired x y locations

    Not quite sure what you are trying to do ... but maybe set the bit over the location you want and then type VA

    You can assign the desired x y locations there.
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    carrier chain

    this carrier chain works well ... I still like the dust going out the back with a few supports to the vacuum hose
    ...
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    dust foot problems / air deflector

    Have you made an air deflector for the bottom of your router ?

    One of those small plastic 6 inch frizbees will work. Hold it on to the router with a few pieces of some very light chain.
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    Nice to see you back

    Tom, Nice to see you back. I am not much help on your problem but...

    I thought you once had sold your machine and given up on V4 but I could be mistaken....
  8. Thread: Corian

    by curtiss
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    I vote for the CNC

    Set the CNC to a depth of about .23 inches, maybe in two passes with a 3/8ths bit ... take down the rest with a belt sander with the desired grit.

    So are you doing a large sheet of Corian ? What...
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    Digital Vacuum gauge

    Digital Vacuum gauge

    Not sure who is selling this, but for those who have to be “digital everything”
    ...
  10. 3 inch heads

    I think one would want to be careful spinning a 3 inch head on a ShopBot.

    ... not sure if they are supposed to spin at 10 grand or above.

    So have you picked out what you are going to build for...
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    photo ?

    Do you have a photo?

    With plastic, the bit manufacturer might be your best bet on information on the feeds & speeds.

    Does it clean up if you run the file twice ? / maybe add few 1000ths on the...
  12. Thread: New Spindle

    by curtiss
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    Spindle size

    So is a 5 hp spindle more for heavy duty cabinet work ?

    What determines if one would need a 2, 3 or 5 hp ? Does it make a difference if one has an alpha or not ?

    I seldom use more than a 1/4...
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    Years ago...

    Years ago, I laid out a few "reference squares" on a 48x48 table to help line things up on the x y.

    Squares were 12, 18, 24, 28, 36, 42 and 48 inches .... I think they were .04 deep with a .03...
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    depth guage method

    Usually, the x-y 0,0 is just set wherever you want it to be using the VA command.

    One other method is to set the bit say an 1/8 inch above the material / near the corner you want to become 0,0
    ...
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    Zero 3 axis .... one way

    Not quite sure what you want to do, but one way is to use two hold-downs to secure the work piece / say on the upper left side. A third clamp holds down the Zero plate on top of the work piece /...
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    Shopbot link

    This link might be handy... covers a lot of areas.

    https://www.youtube.com/watch?v=fPWe-PFofkA
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    Welcome

    Welcome ... so did you move the Bot already ??? Even that is not easy.

    The best thing to do would be to find another Botter nearby and make a visit to their shop or have them make a visit.
    ...
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    Chain Attachment

    Attached the carrier chain to the Y car with a small hardwood shelf about 4x 2 1/2 ... one does have to drill a few small holes in the Y car to attach.

    The aluminum below / for holding the track...
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    only 6 chains left

    Seems to be only 6 chains left at that $25 price.

    When you install it, move the Y to the zero position before attaching the stationary end of the chain ... that way you can do in right the first...
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    photo

    I thought I should at least post a photo of the final carrier chain assembly.
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    Carrier chain arrived today ... wow

    Ordered this a few days back from Amazon and it arrived today..

    I can only say it is of Excellent Quality for those of you who might need a 3 meter piece of it for your Y axis.

    I would...
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    adapters

    Would these adapters help?

    As before, it might be best to just mark the hole locations with a router and drill them out later...

    The router is made to cut sideways not up and down.
    ...
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    Hardwood T-Square

    Step one is getting one X rail straight and level

    To get the 2nd X rail parallel to the first,

    Years ago I made a hardwood T – square with a Dial Caliper attached to the bottom of the T...
  24. Thread: Dust Mask

    by curtiss
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    1,590

    Attic fan

    I have a 24 inch attic fan installed above the Shopbot table... sort of works as a dust filter for most of the seasons of the year

    still use the 2 HP vacuum collection system however & a mask at...
  25. Miami

    Seems like you could do a Forum search for Miami and come up with a few people nearby...

    Everyone must be on the book of faces these days....

    lots of info here

    ...
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