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I made a variation of this. http://www.clickspringprojects.com/tap-and-drill-extenders.html Drill out the holder, and fix the tap in with superglue. A short length of silver steel in the chuck, with the holder a sliding fit allows you to have a a great feel of the tap working. If you over do...

Hi there, Mended the lathe, and made a start. It was a broken brush in the motor BTW, so a £5 fix :D This is how the part turned out in the end. Chose to ignore the recess in the piston for the time being, as it is just the help oil drain back through a damper/needle valve. The holes are a...

OK, just had a remeasure. Phone located 100cm from the chuck, but in direct line of sight at 45 degrees. i.e. on a platform isolated from the work bench behind and to the right of the operator. Ambient 40dB 1000 rpm no load 65dB 1000rpm taking gentle cut on cast iron 70db It seems that...

Also, it was measured with a phone app, at a range of 30cm from the spindle end, mic facing up and resting on the bench

I just measured my 7/14 Ambient noise in the garage 30dBA :) Motor running 70dBA :( Cutting a cast iron part with long thin boring bar very loud 95dBA:rolleyes: Hope that this helps

Many thanks for all the replies. Due to the lack of a rotary table, I have commenced the job along the lines of #4 i.e. ignoring the recess at the moment. All was going well until the lathe packed up:rolleyes: How about the top cap part then? Oversize stock, then a regular small boring tool to...

How about this for a plan of attack for the piston part. Please feel free to say its completely wrong! Stock is GR25 Iron 30mm Dia.about 35mm long. 1. Face both sides in lathe, keeping all available extra length. 2. Spot drill both sides (To allow centering in the mill later) 3. Drill face...

I have been machining for about a year now, and every day is still a school day!! My current project is a Hemingway Power Hacksaw, which I have been working on for the last few weeks. Two of the parts are looking a little tricky. They are a top cap for the cylinder and the piston. (Parts 29 and...