Here is a list of all the postings colin hawes has made in our forums. Click on a thread name to jump to the thread.
|Thread: What Did You Do Today (2017)|
hmm.............That might be interesting...............??.....It's a long time since all my previous articles and now we are bogged down in new technology............ Colin
|Thread: How to copy existing post into new post|
Thank you Spurry.
I have still got a lot to learn about posting and at the moment I can't see how to insert another's post, as a reference, into mine. Colin
|Thread: Why Brake|
There used to be a van with windows called a shooting brake; Is it something to do with multi purpose? Colin
|Thread: Use the lathe or the mill|
The lathe is very good at this sort of work, is faster than the mill and uses cheaper tools. I often use the lathe in this way. Colin
|Thread: Elliot 10 inch shaper motor pulley|
The 3 phase motor on mine (which I modified to run on single phase) is/was slower than Brian's at a rated about 960 rpm and the nine and seven sixteenths diameter big pulley takes a vee belt16 mm wide at it's widest. Colin
|Thread: What Did You Do Today (2017)|
I have owned an old flat belt horizontal mill for about 50 years and all that time intended to get the power feed working and make the other bits to go with it; trips and disengaging mechanism . Now I've done it ! The machine was retrieved from a scrap metal merchant in pieces all that time ago. Colin
|Thread: Why ACME threads on leadscrews?|
Acme threads facilitate engagement of half-nuts of the rotating leadscrew. Colin
|Thread: Dros without breaking the bank?|
never find it necessary to use flooded coolant on my minimill I just use a brush with cutting oil where necessary. It is a good idea to cover the cheap DRO with plastic or metal angle though. Colin Oops ,absent mindedly entered twice
Edited By colin hawes on 03/12/2017 19:10:12
I never find it necessary to use flooded coolant on my minimill I just use a brush with cutting oil where necessary. It is a good idea to cover the cheap DRO with plastic or metal angle though. Colin
It is a very quick operation to remove and replace the button cells on the cheap DRO if it is not to be in use for a while. I have used mine for about 8 years and had two failures which I repaired by dismantling the reader and VERY THOROUGH cleaning of the circuit boards and metal parts.They both worked properly on reassembly. Removing the button cell when not in use gives you a chance to avoid the corrosion which can be caused by a dead cell . As Neil has pointed out replacement readers are not expensive anyway. It is necessary to keep the reader clean and I try to achieve this by tucking a piece of stiff folded paper in the form of an angle over mine. Colin
|Thread: Drill out a ht c/s allen screw|
You can drill HT screws with a HSS drill provided you keep the drill sharp, don't let it rub and use a slow speed.Colin
|Thread: Heavy item for use in fidget spinner.|
New pound coins will make them happy. Colin
|Thread: How long does it take you to make stuff?|
How long does a job take?. Twice as long as a careful estimate. Colin
|Thread: Spurious Accuracy|
Absolute machine accuracy is unnecessary for hobby work: about the only things that matter are relative tightness between components and any old worn machine or micrometer can achieve that with care. Tolerances are usually only of interest for interchangeability of spare parts. Colin
|Thread: slit saw jams|
Quite often there is stress in the bar which tends to close the slit when the cut is deep and pinch the saw. this is much less likely on cast iron than on steel. If it is possible to clamp the end being cut off this may help. Colin
|Thread: Are you offended when the media poke fun at your hobby?|
Some people have the misfortune to be unimpressed with the huge manufacturing and intellectual skills displayed by the hobby machinists and if it gives them pleasure to be derogatory about them I am glad that my pleasure and theirs are complementary. Colin
|Thread: Gib material - Is brass best?|
I would use steel to slide against cast iron. Colin
|Thread: Lathe tool question|
For most jobs on a hobby lathe HSS Is more than adequate, cheaper than insert tools, and you will need them anyway for making various shapes. I normally only use tipped tools on tough steels or cast iron to speed things up a bit. As Duncan says tool grinding is quite easy after a little practice and it's a skill that will serve you in well in the future. I also make boring bars from silver steel and they work very well at the proper speed. Colin
|Thread: In praise of angle grinders|
I recently had to liberate some steel bar from an old lorry half- shaft I would not risk my bandsaw blade on that but the angle grinder made short work of it with a 1mm disk. Colin
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