Bridgeport Series 1 Knee Mill restore - column way scraping
Close
Login to Your Account
Likes Likes:  0
Results 1 to 3 of 3
  1. #1
    Join Date
    Mar 2019
    Country
    PUERTO RICO
    Posts
    5
    Post Thanks / Like
    Likes (Given)
    4
    Likes (Received)
    0

    Default Bridgeport Series 1 Knee Mill restore - column way scraping

    Hi,
    For the past 5 moth I'm restoring a Bridgeport Series 1 knee mill (J-Head) and one of the next steps is to scrape the ways of the machine column. TO ease the process (handling the straight edge/scraping) I thought to lay down the column horizontal, level it and use a kingway tool copy to measure the way. Since the horizontal position is not the normal working position - has anyone experience with the effects to the column. I don't want to spend a lot of effort scaping the ways in, just to see when the column is vertical again, that all work was for nothing, since the column bend in one way.
    Cheers,
    Peter

  2. #2
    Join Date
    Sep 2018
    Country
    UNITED STATES
    State/Province
    Indiana
    Posts
    5
    Post Thanks / Like
    Likes (Given)
    3
    Likes (Received)
    0

    Default

    Laying the column flat is exactly what the Connelly book recommends. The columns are designed to be extremely rigid, I don’t think you’ll have any problems.

    Of of the methods Connelly suggests in getting the column flat is by using a precision level.

    I don’t think scraping in the upright position is very common.


    Sent from my iPhone using Tapatalk Pro

  3. #3
    Join Date
    Mar 2005
    Location
    Northwest Indiana
    Posts
    3,990
    Post Thanks / Like
    Likes (Given)
    680
    Likes (Received)
    746

    Default

    I would not try to do it vertical. Unless the scraped straight edge you are using for reference was also checked against it's own reference while in the vertical position it may not be flat/straight in that position. Gravity and all...

    Edit: then again you are doing a fairly short surface, might be fine. But it would be a pain in the butt vs. doing it horizontal.


Tags for this Thread

Bookmarks

Posting Permissions

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