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Installation Instructions for the Precision Matthews 833t

You may have some clearance issues with the table.<br>Some grinding or machining may need to be done.<br>There may also be clearance issues with the ball nut<br>block for Y. The slot in the base can be widened out<br>remove any interference.

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Installation Instructions for the Precision Matthews 833t

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  1. Installation Instructions for the Precision Matthews 833t heavymetalcnc.com Schlumberger-Private

  2. You may have some clearance issues with the table. Some grinding or machining may need to be done. There may also be clearance issues with the ball nut block for Y. The slot in the base can be widened out remove any interference. This is a big, heavy machine. You will need some type of hoist for the Z axis motor and spindle. We don’t recommend trying to do this without at least two people. Schlumberger-Private

  3. First things first. We will strip the machine completely down. You are going to take this apart until there is nothing left but the base. Schlumberger-Private

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  11. This is looking at the Z saddle. As you can see, we have taken the column off as well. Schlumberger-Private

  12. There is no trick to taking this apart. It must be completely taken apart. Including taking off the column. It has to be taken off to install the Z axis ball screw and ball nut. Schlumberger-Private

  13. Drill and tap 4 holes M6 X 1mm, On the top of the column. Use the base plate as a template for the holes Schlumberger-Private

  14. Drill and tap a M6 X 1mm hole on the Z ballnut block that is attached to the saddle. Schlumberger-Private

  15. This is to bolt down the oil lines Schlumberger-Private

  16. Attach the flange for bolting down the ball nut Schlumberger-Private

  17. Attach the oil lines to the block using the tapped hole you just created. Schlumberger-Private

  18. Move the ball nut down to this position for the Z ball screw. This is the bottom of the screw Schlumberger-Private

  19. Bolt down the ball nut to the aluminum flange. It bolts down with 3 cap screws Schlumberger-Private

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  21. The one free oil line will go into the tapped hole on the ball nut. Be sure to position the ball nut accordingly Schlumberger-Private

  22. Now you slide the Z saddle onto the ways. It just barely fits. You could also grind away the corners at the bottom of the ways just a bit if it doesn’t quite fit. Schlumberger-Private

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  28. Put the gib back on and tighten it up. Schlumberger-Private

  29. Bolt on the bearing block and tighten the jam nuts Now is a good time to check alignment, and get everything sliding back and fourth smoothly. It’s easier to do while the column is laying down on the bench. Schlumberger-Private

  30. Pick up the column and bolt it back on Schlumberger-Private

  31. The Z assembly for the top of the column Schlumberger-Private

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  33. The motor plate is slotted for tightening the belt. We had to use a timing belt due to the location of the ball screw. It is so far forward it would cause interference to try and make it direct drive. Schlumberger-Private

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  37. Now move on to the Y axis. Slide the ball screw underneath the base Schlumberger-Private

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  40. Slide the saddle on to the ways Schlumberger-Private

  41. Bolt down the block with this cap screw. We had the front of the base off the bench to get a hand underneath to line it up. Schlumberger-Private

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  46. X ball nut block Schlumberger-Private

  47. The motor mount will install to the right Schlumberger-Private

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