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lathes

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  • lathes

    hi all
    would love a bit of opinion from engineers out there.
    its to do with metal lathes..
    i have been running a small lathe for last few years now, has small spindle bore 20 mm. pretty simple, but effective and i have made loads of custom bike parts and other things on it.
    i happened to get a good tax return this year and can afford something more substantial.

    i really dont want to buy another lathe after what i get next, so here is the deal- asian made lathe single phase is what i can manage, two options 38 mm spindle bore or 52 mm. both have a 1000mm BC, both have DRO, and spindle brake, but the latter has x, y, and z, its also got a jogger button and wider bed, both have gap bed function about 500 swing.
    the difference is the cost about $1000 more for larger spindle one.
    in my heart of mechanical hearts i think the bigger version, but my sense of worth kicks in and says dont blow all your cash in one area! it would take all my dough. however, i see it (if i went for bigger version) as an investment in my future retirement years , and i wouldn't need to buy larger than 52 mm after that.. the work i do is variable, and you can make small stuff on a bigger lathe but not the reverse relatively speaking. i looked into used lathes but most are worn out adn generally 3 phase which i cannot use, at least not without a VFI, and even then the amps to my shed aint great!!
    any thoughts? i am deep in thought lol..

  • #2
    Can you post links/pics of the units you're considering?
    2012 Road Star Silverado S

    Comment


    • #3
      Very few engineers have run a lathe. Most good machinists could answer your questions. I have turned handles for 45 years. I prefer a small lathe for small work. A large lathe can do small work but it is difficult to do large work on a small lathe. Consider the work you want to do and buy a machine that will handle the work you want to do. Most machine shops have multiple lathes for different types of jobs.

      Comment


      • #4
        i have bought two lathes so far and i can tell you both times i wish i went bigger, lol. imo get the biggest most powerfull you can use and afford. if i buy another one it will be cnc ready or at least be ball screw for better accuracy as there is no lash.
        my Wallet is Getting dangerously close to spontaneous combustion

        Comment


        • D-Fresh
          D-Fresh commented
          Editing a comment
          Gotta love ball screws! LOL

      • #5
        thanks all,,
        Smokes, yes cnc would be the way to go.. but not in my pocket money range adn i am not doing repetitive work. i just thought that bigger is better fora change,
        ill post up some pics as requested tonight
        Click image for larger version

Name:	FEL-DRO-Small (1).jpg
Views:	78
Size:	30.8 KB
ID:	81135 $4650

        Specifications
        Model FEL-1342
        Distance Between Centres 1080mm
        Centre Height 165mm
        Swing Over Bed 330mm
        Swing Over Gap Bed 470mm
        Spindle Bore 38mm
        Swing Over Cross Slide 180mm
        Bed Width 181mm
        Tool Height To Suit 12mm
        Spindle Nose D1-4/5mt
        Spindle Speed Range 65-1810rpm
        Cross Slide Travel 130mm
        Compound Slide Travel 75mm
        Longitudinal Feeds (mm/rev) 0.0527-1.2912mm/rev
        Thread Cutting (Met) 0.4-7mm
        Thread Cutting (Imp) 4-60TPI
        Tailstock Taper 3mt
        Tailstock Travel 100mm
        Motor 2hp / 240v
        Packing Details
        Main Box 186x73x75cm
        Stand 1 68x29x39cm
        Stand 2 68x36x39cm
        • Standard Accessories
          • 2-Axis Digital Readout X & Y
          • 3 Jaw Chuck ∅160mm
          • 4 Jaw Chuck ∅200mm
          • Centre Sleeve 5/3MT
          • 3MT Dead Centre
          • Face Plate
          • Foot Brake
          • Work Light
          • Stand
          • Oil Tray
          • Splash Guard
          • Coolant System
          • Change Gears (Met & Imp)
          • Lead Screw Guards
          • Safety Micro Stoppers
          • Chuck Guards
          • Steady Rest
          • Follow Rest

        Click image for larger version

Name:	FI-1000-1.jpg
Views:	63
Size:	113.6 KB
ID:	81136 $5 400
        Specifications
        Model FI-1000
        Distance Between Centres 1000mm
        Centre Height 179mm
        Swing Over Bed 358mm
        Swing Over Gap Bed 502mm
        Spindle Bore 51mm
        Swing Over Cross Slide 223mm
        Bed Width 187mm
        Tool Height To Suit 16mm
        Spindle Taper 6MT
        Spindle Speed Range 70-2000rpm
        Cross Slide Travel 200mm
        Compound Slide Travel 95mm
        Longitudinal Feeds (mm/rev) 0.052-1.392mm/rev
        Thread Cutting (Met) 0.4-7mm
        Thread Cutting (Imp) 2.25-40TPI
        Tailstock Taper 4mt
        Tailstock Travel 100mm
        Motor 2.5hp / 240v / 15amp
        • Standard Accessories
          • 3-Axis Digital Readout X, Y & Z
          • 3 Jaw Chuck ∅200mm
          • 4 Jaw Chuck ∅200mm
          • Face Plate ∅320mm
          • Foot Brake
          • Work Light
          • Stand
          • Removable Oil Tray
          • Splash Guard
          • Coolant System
          • Change Gears (Met & Imp)
          • Lead Screw Guards
          • Safety Micro Stoppers
          • Chuck Guards
          • Steady Rest
          • Follow Rest
        • Recommend Oil SAE50 85W-90 (Castol TFC 450)
        • Packing Details
          • 1480 x 750 x 1930mm (H x W x D)
          • 650kg

        Comment


        • #6
          That is a tough one Kev! As Smokescreen stated above, most of the time you don't regret getting a bigger model but you might regret getting a smaller one. If you already have a smaller lathe it seems like the larger model would gain you more capabilities. Again, that is based on the type of work you may be doing. Some things to consider while making your decision:

          - The machine is part of the total cost of ownership, you will have to purchase additional items (unless you already have them): Drill chuck, turning, threading & boring bits, etc.
          - The spindle bore is 1.5" vs 2.0", do you usually turn stock that will need to be in the spindle bore?
          - The tail stock & spindle taper are different, do you already have tooling that will fit either?
          - The bigger model has that 3rd axis on the readout, will you be doing any type of work that would make the 3rd axis a “must” vs. a “nice to have” feature?
          - Is shipping add'l to the purchase price, is that the same?
          - I couldn't really tell if the footprint was much different, do you have an space constraints?
          - Are there an reviews you can use to compare the two?
          - As a personal preference, I like the spindle speed selector better on the larger model.

          BTW, what company offers these machines? I wouldn't mind checking out the website.

          Good luck on your decision, its a nice problem to have!

          2012 Road Star Silverado S

          Comment


          • #7
            thanks D fresh

            - Drill chuck, turning, threading & boring bits, etc.got most of these
            - The spindle bore is 1.5" vs 2.0", do you usually turn stock that will need to be in the spindle bore?not always but again can go larger but not always small so i thought do it once and do it right it'll probably be the last one i could afford
            - The tail stock & spindle taper are different, do you already have tooling that will fit either? yes i have
            - The bigger model has that 3rd axis on the readout, will you be doing any type of work that would make the 3rd axis a “must” vs. a “nice to have” feature? actually i am not bothered about the z axis really its just that this comes with the larger lathe= part of total package i would be happy with xy for lathe ops
            - Is shipping add'l to the purchase price, is that the same" lucky for me the lathe is only a 15 minute drive away!!!
            - I couldn't really tell if the footprint was much different, do you have an space constraints? nil space constraints
            - Are there an reviews you can use to compare the two? actually no there isn't which is a shame
            - As a personal preference, I like the spindle speed selector better on the larger model.

            BTW, what company offers these machines? I wouldn't mind checking out the website. paramount browns in south australia ! where are you?

            Good luck on your decision, its a nice problem to have! yes it is but its driving me nuts

            i will think for a few more days and make my decision, i just wanted some back up permission to go ahead

            Comment


            • D-Fresh
              D-Fresh commented
              Editing a comment
              I'm in Ohio, USA. Are you "down under"?

            • Kevstephenson7
              Kevstephenson7 commented
              Editing a comment
              yep!!

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