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projects:crokinole_board:work_logs:work_log_7 [2019/07/10 13:02] – created tjhowseprojects:crokinole_board:work_logs:work_log_7 [2022/01/23 00:23] (current) tjhowse
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 {{indexmenu_n>7}} {{indexmenu_n>7}}
 +[<6>]
 ====== What I want to accomplish ====== ====== What I want to accomplish ======
   * Drill the hole in the centre of the top board.   * Drill the hole in the centre of the top board.
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 === This damn hole === === This damn hole ===
  
-I need to cut a 1-3/8" (35mm) hole in the centre of the top board. This is very scary. I bought a set of very rubbish forstner bits and was very disappointed in their performance.+I need to cut a 1-3/8" (35mm) hole in the centre of the top board. This is scary. I bought a set of rubbish forstner bits and was very disappointed in their performance.
  
 {{:projects:crokinole_board:work_logs:pasted:20190710-125757.png}} {{:projects:crokinole_board:work_logs:pasted:20190710-125757.png}}
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 Rubbish. Rubbish.
  
-I found that the point would wander in the soft wood and the bit would drive across the surface a small distance before biting, leaving a shallow groove which would ruin the board. The drill press worked because it rigidly held the bit in place so it could only travel downwards. My solution was to use the drill press to cut a hole through some hardwood and screw it to a long bit of wood to act as a jig for cutting the centre hole.+I found that the point would wander in the soft wood and the bit would drive across the surface a small distance before biting, leaving a shallow groove which would ruin the board. The drill press worked because it rigidly held the bit in place so it could only travel downwards. Further complicating matters was that the board already has a 12mm hole in the centre, so there's nothing for the forstner bit to centre itself on. 
 + 
 +My solution was to use the drill press to cut a hole through some hardwood and screw it to a long bit of wood to act as a jig for cutting the centre hole.
  
 {{:projects:crokinole_board:work_logs:pasted:20190710-130023.png}} {{:projects:crokinole_board:work_logs:pasted:20190710-130023.png}}
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   * Attach the bands to the base.   * Attach the bands to the base.
 +[<6>]
projects/crokinole_board/work_logs/work_log_7.1562763728.txt.gz · Last modified: 2019/07/10 13:02 by tjhowse