Thanks Thanks:  0
Needs Pictures Needs Pictures:  0
Picture(s) thanks Picture(s) thanks:  0
Results 1 to 6 of 6
  1. #1
    Join Date
    Oct 2016
    Location
    Hobart
    Posts
    2

    Default Insert 500mm long threaded rod

    Building weightlifting pull blocks

    I need to laminate/join 9 pieces of pine with a combined width of about 500mm (90mmx90mm length joined to six widths of 45x90 joined to a 90x90mm length).

    I want to use a 2 threaded rods at each end running through the width of the pieces to clamp it all tightly together permanently.

    Is there any easy way / method (no drill press) to line up the rod with the next drilled hole as I have had troubles before.

    I want to keep the top surface level and not worrying so much about the ends which I can later circular saw when its together. Previously I punch the rod through the drilled holes into an undrilled piece then use the mark in the wood to drill the next set of holes and repeat this till I get to the last piece.

    My query is. Is there an easier and more reliable method??

    cheers


  2. # ADS
    Google Adsense Advertisement
    Join Date
    Always
    Location
    Advertising world
    Posts
    Many





     
  3. #2
    Join Date
    Oct 2016
    Location
    Perth, Australia
    Age
    32
    Posts
    1

    Default

    I have seen some people (Jimmy Diresta for example) use spray paint as a quick a dirty method to transferring a hole marking to the next piece.

    I would say for big holes especially since you would have to hit it pretty hard to make the mark, and risk moving the piece.

  4. #3
    Join Date
    Feb 2003
    Location
    back in Alberta for a while
    Age
    68
    Posts
    12,006

    Default

    Herman, welcome to the forums

    can you post a sketch of your glue up and also list the tools you already have.
    This will help people give you relevant suggestions
    regards from Alberta, Canada

    ian

  5. #4
    Join Date
    Nov 2004
    Location
    Redlands area, Brisbane
    Posts
    1,489

    Default

    This is certainly doable. Here is how I would do it.

    1. Set the boards up in glue up layout with the edges butted together. If you have or can borrow a clamp to hold them together, I would recommend using it.
    2. Mark the boards with a line across the width of the boards where you want the holes for the threaded rod to pass through with a framing square.
    3. Separate the boards.
    4. Using a square, mark a line down the edges of the boards.
    5. Use a dowelling jig to drill the holes at a consistent depth indexed from the same face of each board.
    6. Drill the hole. If you run out of depth with the drill bit, remove the jig and continue drilling until you exit. Alternatively, drill from the other edge of the board using the dowelling jig.

    Yes, it requires three simple tools to layout and drill (apart from a drill), but we are not talking about major expensive items and they have other uses after this job.

    I would also recommend using the next size drill bit up. Maybe even two sizes. A snug fit for the threaded rod is not needed for this job and it will allow a little wriggle room.

    Also, practice the technique on some scraps first if you can.

  6. #5
    Join Date
    Oct 2016
    Location
    Hobart
    Posts
    2

    Default

    Quote Originally Posted by markharrison View Post
    This is certainly doable. Here is how I would do it.

    1. Set the boards up in glue up layout with the edges butted together. If you have or can borrow a clamp to hold them together, I would recommend using it.
    2. Mark the boards with a line across the width of the boards where you want the holes for the threaded rod to pass through with a framing square.
    3. Separate the boards.
    4. Using a square, mark a line down the edges of the boards.
    5. Use a dowelling jig to drill the holes at a consistent depth indexed from the same face of each board.
    6. Drill the hole. If you run out of depth with the drill bit, remove the jig and continue drilling until you exit. Alternatively, drill from the other edge of the board using the dowelling jig.

    Yes, it requires three simple tools to layout and drill (apart from a drill), but we are not talking about major expensive items and they have other uses after this job.

    I would also recommend using the next size drill bit up. Maybe even two sizes. A snug fit for the threaded rod is not needed for this job and it will allow a little wriggle room.

    Also, practice the technique on some scraps first if you can.
    I pretty much did what you suggested EXCEPT item 2 with the framing square line. I think that is where I went wrong as I measured from one end, marked and then used a square to get the drill point the holes were little off. This answers my query but I will double up with the spray can idea as well. Thanks Gents.

  7. #6
    themage21 is offline So that's how you change this field...
    Join Date
    Aug 2012
    Location
    Emu Plains, NSW
    Age
    40
    Posts
    136

    Default

    It's probably not too hard to get a hold of a 500mm+ auger bit if you want to go quick and lazy, but probably not the cheapest option either. Actually, looking online, the big green shed sells such augers for around $50 bucks, which could be a pretty hassle free solution and you get to keep the auger at the end of it!

    In which case I'd,

    - Lay blocks out, glue and clamp them.
    - Wait 24 hours
    - Lay out a piece of paper under the block.
    - Make a line square to it's face away from the face in line with where you plan to drill
    - Clamp the block down somehow so it can't move relative to your square line
    - Line up the auger by eye along the line and drill.


    The auger can do the whole hole at once, so you don't have to worry about being out by a mm or two.

    Just a suggestion.

Similar Threads

  1. Replies: 8
    Last Post: 1st September 2014, 12:26 PM
  2. Positioning router on insert, installing insert
    By Johncs in forum ROUTING FORUM
    Replies: 4
    Last Post: 26th March 2009, 09:20 PM
  3. 4 times for 500mm
    By ozwinner in forum WOODWORK - GENERAL
    Replies: 35
    Last Post: 26th June 2007, 11:14 PM
  4. Threaded Insert suppliers ?
    By Rebus in forum WOODWORK - GENERAL
    Replies: 3
    Last Post: 16th September 2004, 01:06 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •