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Thread: 80 lb Power Hammer - video

  1. #1
    Supporting Member SteelCraft's Avatar
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    80 lb Power Hammer - video

    Power Hammer build video (29:07) by SteelCraft

    This was my first big project, and first video of this type, so don't be mad about music
    Some specs:
    Ram weight: 80Lb,
    Dies are made out of 50x50x100 [mm] C45 (1045) steel, quenched in water,
    Motor: 3 phasic (380V) 1410 rpm, 1,5kW (2hp)

    I put whole machine on wooden base and 22 [mm] thick rubber mat because of thin floor in my workshop. After 2 years of using, nothing bad happened.

    In build video you can clearly see shaking of hammer, I simply put to much counterweight, after reduction, runs smoothly.

    The only change I want to make is to mount a stronger spring.


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    Andyt (Sep 28, 2021), Canyonman44 (Oct 5, 2023), clydeman (Feb 1, 2023), GKK (Oct 1, 2021), Inner (Oct 2, 2021), Jon (Sep 28, 2021), mccwho (Sep 28, 2021), mwmkravchenko (Sep 28, 2021), NortonDommi (Sep 25, 2021), nova_robotics (Oct 1, 2021), old_toolmaker (Oct 2, 2021), RetiredFAE (Oct 1, 2021), that_other_guy (Oct 2, 2021), thehomeengineer (Sep 28, 2021), Tooler2 (Oct 3, 2021)

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    Supporting Member mwmkravchenko's Avatar
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    I will watch and learn. Maybe make a video of your improvements? Even if a short one?

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    A most interesting build!!!!

    One suggestion though, get help - human or machinery - for handling the heavy stuff. It doesn't take much to do real damage to the flesh bags that we are as humanity. Sadly I've seen guys injured at work and recovery takes a lot of time, sometimes you don't get back to 100%.

    By the way it looks like you are building up one nice home built shop!

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    I will watch and learn. Maybe make a video of your improvements? Even if a short one?
    That's a good idea, I will make one, probably during winter break

    One suggestion though, get help - human or machinery - for handling the heavy stuff. It doesn't take much to do real damage to the flesh bags that we are as humanity. Sadly I've seen guys injured at work and recovery takes a lot of time, sometimes you don't get back to 100%.
    I thought the same thing after mounting my Milling machine head, small shop crane is necessary... So it will be opportunity to make new build video

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    mwmkravchenko (Oct 5, 2021)

  7. #5
    Jon
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    Congratulations SteelCraft - your Power Hammer is the Homemade Tool of the Week!

    This is a serious build, and a significant achievement for your first big project.

    Some more good builds from this week:

    Chrome Plating Method by Kovanca Polock
    Storage Shed by Frank S
    Automatic Center Punch by Making Stuff
    Dial Indicator Offset Extension by johncg
    Duplicator Tool by SculptyWorks
    Horizontal Bandsaw Modifications by projectswithrich
    Tractor Gearshift Cover Cup by Frank S
    Oil Spillage Mat by Frank S
    Machine Vise by hwmrob
    Quad Hitch Adaptor by IntheGroove
    Dividing Head by Vyacheslav.Nevolya
    Gas Forge by SteelCraft
    Valve Spring Compressor by IntheGroove
    Wrench Extender by katy
    Magnetic Clamp Flashlight Holder by orioncons36
    8-Foot Level by Frank S
    C-Clamp by orioncons36
    Electric Wheelbarrow by Kwandotechnic

    SteelCraft - we'll get this tool indexed in our database, and we'll also be adding your tool entry to our All Homemade Tool of the Week winners post. And, you'll now notice the wrench-on-pedestal award in the awards showcase in your postbit, visible beneath your username:



    And, you'll be receiving a $25 online gift card, in your choice of Amazon (US-only), PayPal, or bitcoin. Please PM me your current email address and award choice and I'll get it sent over right away.

    Nice work!

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    Thanks SteelCraft! We've added your Tire Hammer to our Power Hammers category,
    as well as to your builder page: SteelCraft's Homemade Tools. Your receipt:


    Last edited by Jon; Oct 3, 2021 at 06:56 PM.

  10. The Following 2 Users Say Thank You to DIYer For This Useful Post:

    old_toolmaker (Oct 2, 2021), SteelCraft (Oct 2, 2021)

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    how does the variable speed work?

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    how does the variable speed work?
    Just friction between motor pulley and a tire. Harder you press the pedal - less friction more spin. You can change top speed by changing pressure inside tire.
    I recommend to have smooth pulley without grooves which "grind" a tire during operation.

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    mwmkravchenko (Oct 5, 2021)

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    I did not see the pedal, does it move the motor?

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    80 lb Power Hammer - video-steelcrafthammer.jpg

    I did not see the pedal, does it move the motor?
    Pedal is painted with red warning strips, connected with linkage to motor arm. When you push this pedal motor is lifted and pulley is pressed into tire

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    mwmkravchenko (Oct 5, 2021)

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