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Thread: DIY Tamper

  1. #1
    Senior Membear Bean_Bear's Avatar
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    DIY Tamper

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hi All,

    I wanted a better tamper than the "Incasa" that was included with Silvia. Mostly the problem was the loose fit, and having to "tamp around the clock" at 12, 3, 6 and 9 to get the whole puck flat (concave actually).

    I was given a piece of 2.5" 304 SS bar about 135mm long, so I cut 22mm off the end and stuck it in a completely substandard lathe. I spent a fair bit of time resharpening tools and finding feed rates that would not chatter. I didnt have access to cutting/cooling oil (the tray leaks too much on the old lathe) so I had to rely on using spray lubrication.

    Once the base was threaded (10mm x 1.5mm) a piece of broomstick was attached as a temporary handle and the tamper was tested and polished. I have three baskets, single =58.75mm id, double =58.68mm id and the large double = 58.59mm id so I made the tamper 58.39mm od.

    Next I machined a (an?) handle from a piece of 50mm Delrin rod, this was based on the broom handle with a 30mm rubber cap on the end. Its tailored to suit my hand and is very comfortable.

    Honestly, it’s not that* Im too much of a tight-ass to buy a real one ;D ::), I just like making stuff (I do seriously, I’m not a tight-ass).








  2. #2
    Caffeine Junky
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    Re: DIY Tamper

    Nice work BeanBay, Greg Pullman eat your heart out!

  3. #3
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    Re: DIY Tamper

    Well here is mine.
    I am a tight ass, but also greatly enjoyed the 10hrs making it.
    Attempt at Pullman Deluxe.
    Stainless & Brass.
    We need more DIY tampers, I love to see peoples worK!!!


  4. #4
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    Re: DIY Tamper

    Nice work guys! Wish I still had access to a lathe :( - was thinking about machining one up myself until I upgrade to a better machine and can justify a Pullman or similar.

  5. #5
    Senior Membear Bean_Bear's Avatar
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    Re: DIY Tamper

    Quote Originally Posted by 40414B584643592A0 link=1308750263/1#1 date=1308753481
    Nice work BeanBay, Greg Pullman eat your heart out!
    ;D The pictures are not good enough to show why Greg has nothing to worry about, there wont be any heart eating in the Pullman household ;D

    Quote Originally Posted by 4758594F494B2A0 link=1308750263/2#2 date=1308784602
    Well here is mine
    Very nice, very shiny mrseca!

    Quote Originally Posted by 7A4F5E4F19132A0 link=1308750263/3#3 date=1308788696
    was thinking about machining one up myself
    I have 2.6Kg of 304 stainless steel left, if you decide to do it Ill send it to you (you pay the freight :))

  6. #6
    Coffee+carbon=heaven Mono's Avatar
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    Re: DIY Tamper

    Nice work gents. I have made a redgum handle & stand/holder for my Pullman Barista only becaus redgum is not offered as an option. Every so often the alloy one finds it way back.

    Steve.

  7. #7
    Senior Member
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    Re: DIY Tamper

    nice work guys!

    tight or not, making tampers are definitely a lot of fun. :)

  8. #8
    Senior Member iggs's Avatar
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    Re: DIY Tamper

    very impressed fellas!

    wish i had a lathe lying around at home somewhere... :)

  9. #9
    Senior Member
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    Re: DIY Tamper

    nice one... ditto on wanting a lathe! and a mill... and various benders... :)

  10. #10
    Site Sponsor pullman's Avatar
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    Re: DIY Tamper

    Nice work chaps. Nothing like home-made!

  11. #11
    Junior Member
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    Re: DIY Tamper

    a metal lathe has been on my shopping list for years so it must be getting closer . in the mean time i have 2 wood lathes that i use all the time so i may have to make a few tampers from other materials although i have turned a bit of brass on my wood lathe before .
    johno

  12. #12
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    Re: DIY Tamper

    Ive been wanting to use the facilities at my uni to make one of these for a while!

    Looks like you got a nice polish on yours Bean Bear - just a regime of emery cloth/"wet and dry" followed by Steelo, or the like? And does the plastic handle screw into the SS base? If so, how did you cut the male thread into the handle?

  13. #13
    Senior Membear Bean_Bear's Avatar
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    Re: DIY Tamper

    Behmor Brazen - $249 - Free Freight
    Hi blackfd,

    Used wet and dry 240 > 320 > 600 > 1000, then brasso on cotton. I use a piece of 6mm thick glass as a backing to polish on (helps stay reasonably flat). The base is not actually flat but is very slightly convex (F = -2m to -3m?). The top is just buffed, tooling marks are all still there, just shiny.

    The delrin handle was drilled to 8.5mm, then tapped at 10mm x 1.5mm standard metric, tapping depth was about 40mm on the handle, and 15mm on the base. I have used about 50mm of a 10mm bolt, cut off and screwed into the base, then the handle is screwed onto the protruding 35mm. I will buy a 10mm x 40mm stainless steel set screw next time see one.

    Hope that helps, BeanBay.



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