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  1. A

    Pricing a Bridgeport Milling machine in 2023

    Sorry if not what you want to hear. I’d be happy to get $1000 for that. The knee looks pretty bad, and there are much nicer looking machines in NJ in that price range. I bought mine in much nicer condition for $500 in South Jersey. Remember, in this price range, the customers are mostly hobby...
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    i recently bought Starrett 3202 12" dial calipers

    yeah obviously Japanese manufacturing isn’t plagued with the challenges of Chinese manufacturers. Great example. It’s a popular sound bite, but not reality. So many YouTubers are testing HF products. Their sockets and wrenches are not “just about as good”. They are very often the worst of the...
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    i recently bought Starrett 3202 12" dial calipers

    For sure. I just think the maximum utility of this tool is quick one handed usage. Of course 12” calipers are great for measuring long parts. How are they for an 11th grader checking if an end mill has a 5/8” or 3/4” shank? (Actual question, not rhetorical. I like 6” more than my 8”)
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    i recently bought Starrett 3202 12" dial calipers

    I guess I wasn’t clear. I’m saying with certain items, tools like the OPs for example, the low price of new imported Asian tools isn’t worth the risk compared to potentially worn second hand, top quality US made stuff. Tools are complicated. I wouldn’t say this as a blanket statement. Some...
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    i recently bought Starrett 3202 12" dial calipers

    There may be reasons why a tiny tiny gap is desirable. Wear or static defections of the jaws due to measuring force may be among them. But in these instances, the closed calipers should be sub zero (could be a line width). I guess my point is, why take a chance with a precision tool that could...
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    i recently bought Starrett 3202 12" dial calipers

    its normal for Chinese products. Only Starrett 120s are made in the US. If you could return them I would. And welcome to rest of your life. Lesson #1: global trade. With all due respect to your Dad, 12” are useful, but not as handy as 6” or even 8”. I would surf eBay for second hand, made in...
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    Need input on Bridgeport way wear

    There are a bunch of mills for sale by me. Just saw one on fb marketplace in Betlin NJ thats the exact situation I described with my mill in my posts above. Asking price is $1000. Looks like it has a short table, old 2 axis DRO and maybe x-axis power feed. ”BRIDGEPORT MILLING MACHINE buyer has...
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    Quill housing adjusting gear and worm gear

    Once initially assembled, I don’t think I’ve ever used that worm gear assembly. It’s not used to “tram” the head as you said. I loosen the bolts and tap the head with a hammer. If you were doing some funky set-up I guess you could move the head out of square to the table. I just never have. I’d...
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    Bridgeport or Knee Mill, VMC, Surface Grinder Owners.

    I have 2 questions: 1) does this matter? How much does this matter? If you are machining a long part, I guess it would be not flat? I‘m guessing you won’t see this with a test indicator in the spindle. Can you (gentlemen) talk more about what this means to the machinist. Guessing this is not a...
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    Need input on Bridgeport way wear

    I’m sure no one missed the point, but just in case: A series 1 Bridgeport weighs just under 2000lbs. That really requires a forklift to move properly. If the seller can’t/won’t help you load it, that really lowers the price and number of potential customers. That’s why I have a really nice...
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    Need input on Bridgeport way wear

    Just for a point of reference: I bought my mill with very little wear for $500 in south jersey. It's a 1967 step pulley machine. Had no frills or tooling but was almost 100% complete. (missing quill handle, fine adjust wheel) and needed routine maintenance. If this helps, I asked my son to...
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    Need input on Bridgeport way wear

    with respect to Richard, I don’t understand how .003-.005” of wear on a knee surface, translates to any loss in tolerance on a part. Only sense I can make of this implication is that, if the way surface is worn unevenly, and this one doesn’t seem to be, you wouldn’t be able to compensate for...
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    Mods to BP drum switch for VFD (adding speed pot to existing?)

    Picture?
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    Mods to BP drum switch for VFD (adding speed pot to existing?)

    Like to see the details on that. That would be of interest to many I would think. I thought this was a dead end: https://www.practicalmachinist.com/forum/threads/help-with-remote-speed-and-direction-control-for-vfd.386649/ Essentially, as I understand your post and the thread above, we could...
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    Mods to BP drum switch for VFD (adding speed pot to existing?)

    Thanks guys. Yes, I want the drum switch, but I’m okay with replacing it with a modern version, if that’s my only option. Just hope it will have a good metallic feel. I’d like the speed control pot proximate to the drum switch, not somewhere else. Looking for one handed, eyes on the spindle...
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    Mods to BP drum switch for VFD (adding speed pot to existing?)

    Has anyone figured a way to incorporate a speed potentiometer into an existing Bridgeport drum switch enclosure? I'd like to add a pot, maybe to the LHS. My enclosure is pretty tight. I could use a larger box. What I'm thinking is, I'd like to keep the drum switch roughly where it is, and...
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    A VFD for my Bridgeport

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    Opinions on pricing for HLVH i would like to sell

    PM sent
  19. A

    Cost to lap and or calibrate granite surface plates?

    Same question for South East PA. Anybody have any contacts?
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    Surface Table Treatment?

    I think the black is not dirt but dye. Not all black granite stones are actually naturally black. If you clean with ammonia (good choice) or some non-pumice laced hand cleaner containing alcohol (another good choice), you could clean your stone without removing the dye. But acetone is a...

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