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Type: Posts; User: mgtoolmaker

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  1. lessons learned

    Hello Johntopp,

    I have just finished restoring a Herbert drill and thought I might offer a lessons learned. One thing I found out was how much dried grease can be in a gallery behind a nipple. ...
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    questions from privet

    I know you have a few questions privet, I willdo my best to answer .

    The motor on my drill is three phase continuousrated 370W and is 2850RPM. It is also special balancing and Ex rated so it...
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    quill disassembly

    Oh this is a nice bit of kit............

    The final housing to disassemble was thequill.Again, two cover plates RH and LHthreads.I used the lathe again and thetailstock to find it was a spring...
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    drive spindle disassembly

    Disassembly of the drive spindle

    The next housing disassembled was the drivespindle.The housing was wrapped inlayers of aluminium foil then clamped in the lathe and the first of two coverplates...
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    Disassembly of down feed handle

    Down feed disassemblyThe feed assembly, pinion and handle was thefirst unit I tackled. The reason forthis was the bearings are not running at high speed so could handle a mishap ifI got clumsy. The...
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    disassembly procedure

    Hello all,

    Disassembly Procedure "general" is here, follow the thread for some more posts with photos, I hope this makes it easier to follow with photos


    The first thing I took off was the...
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    Parts list and pricing

    Hello MarkGray,

    If you send an email to this address [email protected]

    the good folk at Herbert will price things for you. The medium pulley for the Type B was GBP98 and the small one...
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    Here is the spare parts list

    Thought you may like to see the spare parts list so here it is,

    regards mgtoolmaker
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    Progress report and spare parts

    So to progress,

    Finding spare parts for Herbert drills is easy, you just contact the Paul and in a few emails, you will have hat you need. For the Type 'B' virtually every part can be purchased. I...
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    Herbert High Speed Bench Drill restoration

    After owning a cheap pedestal drill and not being happy with it I set about getting a bench drill like the Waldown NH-3. I missed quite a few at auction but I did find this drill close to home. The...
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    I worked at Repco in East Bentleigh, Melbourne in...

    I worked at Repco in East Bentleigh, Melbourne in the 1980's and these machines cut and maintained all the special tooling (step drills etc) for machining brake components. It was incredible what...
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    Before you get the welder out.....

    Good to see sustainability in action, reduce, reuse, recycle. I am not sure if you have a machine shop available to you but if you do there may be another way to fix your new find.

    A possible way...
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    Herbert made one too....

    Hello Waldown NH owners,

    I have a Herbert Type B high speed drill, not quite a twin to the Waldown NH but they probably were close friends at school. As bought from Wallan, Victoria, mine is 3...
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    slotting in a hercus mill

    Hello Bob,

    I had a look in the accessories book and they have the american style toolpost with self seating washer and the boring bar, they do not use a broach. I can just imagine a quality...
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    mgtoolmaker is back

    Hello Anorak Bob, Surfin Nev and others,

    It is amazing where 6 months can go. I was o/s with work and came back to Christmas, a forced redundancy, damage to Casa MG, child in hospital (who has...
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    clock cases are made from wood

    Hello Bob,

    I had a thought about the slot drill, I suspect the work surface may have had a bit of localized hardening - I have had to use a dremel and grind a small area prior to drilling before...
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    cnc its dinomite

    Hello Bob, (and the many other Hercus owners around)

    Almost all the brass is turned, I have 2 small pillars for the back cock and one long one for the maintaining power. The yet to be turned...
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    Some bits I have made in my workshop

    Hello Bob (and other Hercus owners),

    I finally got around to taking some photos of my current project which is a clock. I am making some of it at home and some on machines that others own (gear...
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    shim stock supplies

    Hello Mark,
    Get yourself to Coburg Drive In trash and treasure, there is a guy that has engineering stuff and he may have some shim. Also check out the prices at Coventry in Arden Street, just near...
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    hercus power hacksaw on fleabay

    Mad Hercus nuts,
    You have probably already seen it but on fleabay there is a Hercus power hacksaw for sale in WA for $120, may be of interest. Seems a good price but it could also be a boat anchor....
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    Hello Bob, Thanks for taking the time to send...

    Hello Bob,
    Thanks for taking the time to send the information on the divisions. It will be very helpful. The tailstock looks great.

    The VSD is a real interesting project. I had expected the...
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    are you sure you have never used a machine before ?

    Hello Bob,

    I am impressed and that is top class machining and yes, I would like to see the tailstock. Also if you have time, I would be interested in the hole patterns on the dividing plates as...
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    coolant pump motor

    Hello Bob,

    I opened the access plate in my base cabinet and found a void with goo stabilized wood shavings and nothing else. The wiring diagram I have says "if fitted" and there is a mark up...
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    Mr Rudd buys VSD for struggling Hercus Mill Owner

    Fellow Hercus mill "O"wners,
    Mr Rudd has just bought me the Powerflex PF40 Variable Speed Drive that I needed for my Hercus milling machine. Now my mill will work on single phase and I feel so...
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    star and delta motor modifications

    Hello Hercus mill owners,
    Just received my motor back from the rewinders, it is now star and delta with 6 wires coming into the terminal box. The VSD will fit on a treat now and convert 240V single...
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    one to do all ??

    Derek,
    The short answer is yes and also no. For background, the applications that I have worked with tend to have either -

    a) one drive for each motor such as steel rolling mills and moving...
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    VSD things to watch

    Firstly, I am no electrical guru but the 3ph motor I have is star wound. First step is I am having it changed to delta wound and that will allow the VSD to work and convert the 240 input to 415...
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    Hercus 'O' Mill - #52 on the Hercus list of stars

    Hello Derek,
    From what I understand it was sold ne into a QLD State School and stayed there until a workshop refurbishment when it was upgraded. I purchased it from a dealer. The serial number...
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    hercus 'O' mill owner

    Can you add my name to the list. I have a Hercus "O" milling machine with serial number OLM-478. It is complete with horizontal and vertical attachments and came with the dividing head. It is a...
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    Now I know why it was out

    Hello Bob,
    Short story, I machined the thrust washer up and made it +.005 to bed in / lapp out when it was assembled, couldn't get the final size right after I had machined it. The step length...
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    long travel screw Hercus 'O' milling machine

    Hercus mill persons,
    I did a trial fit of the long travel screw last night and was pleased the straightening has worked so well. From approx 1/2" runout it is now lurking around .010" TIR. The...
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    Hercus 'O' mill restoration plans

    You are right Patrick, there is a big size and specification difference between a Hercus and a Bridgeport. Plans, initially to get it clean and running, then a good set of tooling and essentials. A...
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    family photo

    Gents,
    Hopefully this time it will work and a photo of the mill as purchased will be attached somewhere,
    regards
    MG
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    Hercus mill closer to running

    Hello Patrick, Nev, Bob,
    Yes it is a rare find and it did take a lot of finding. I started looking for a Bridgeport about two years ago, missed a good one and kept looking but with more options...
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    long distance purchasing

    Hello Bob,
    I was actually in Fiji when I committed to buying the mill. I took a punt, the price was right and when I asked a colleague where the dealer was, he replied it was where his bandsaw was....
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    handwheel extension Hercus 'O' mill

    Hello Anorak Bob,
    The machine as purchased had been either used as a parking bollard for a forklift or it was dropped on its side at some time. The small finger sized extension on the handwheel was...
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    Hercus 'O' Mill progress

    Hello fellow Hercus 'O' mill owners,
    A short progress update on the mill. The day it arrived was one of the wettest in ages and the gravel driveway could not take the weight of the engine crane to...
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    Hello Surfin Nev, My mill is serial number...

    Hello Surfin Nev,
    My mill is serial number OLM-478. The dowel pins for aligning the vertical head that Bob refers to are socket head shoulder screws on mine. I don't know if it is original or a...
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    Another Hercus'O' Mill

    Hello SurfinNev
    After two years searching for a small well made mill, I picked up a Hercus Model 'O' Mill a few weeks ago. Basically in good condition, very little wear and easily repaired damage to...
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