THREADING STAINLESS STEEL - MODEL ENGINEERING FOR BEGINNERS

THREADING STAINLESS STEEL - MODEL ENGINEERING FOR BEGINNERS - PART #20

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Model Engineering For Beginners - Part #20 - Making a Stainless Steel adaptor for a Stuart 504 model steam engine boiler. In this video I show the wrong way and the right way to thread and drill a piece of Stainless Steel to attach a Stuart steam tap to the steam outlet of a 504 boiler. The material is Stainless Steel because it needs to be strong. Making the part from Brass would be less suitable for this job...........................
/ keithappleton
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Пікірлер: 22

@dingolovethrob Жыл бұрын

I have some 1/4" 303 stainless rod that I need to put threads on and have been dreading the task - watching this has reassured me that if I take my time and do it by hand, borrowing the lathe to keep the die square the I should have at least half a chance of doing it. Great video, thank you.

@georgewolf7063 3 жыл бұрын

Oh, thank goodness! I was worried that stainless was really hard to thread by hand due to its tendency to work harden, but you also explained things very well!

@bewseybill3691 4 жыл бұрын

Excellent Keith. Thank you for this demonstration.

@MrBigdragon2009 5 жыл бұрын

The thing that matters is what your comfortable with you are the craftsman!

@raymondj8768 5 жыл бұрын

wonderful job as always ! thanks for the video pal !!!

@steamboatmodel 5 жыл бұрын

Well done Keith, let me say as an ex professional in my home shop I use die cutters for threading. I got spoiled with CNC and until I get CNC in my home shop I will continue to use die cutters and taps. Screw cutting in the lathe is too much bother.

@Pushyhog 2 жыл бұрын

thanks mister

@JasonSmith-vd1sz 5 жыл бұрын

Thank you for another good video I appreciate it. You have such good tutorials I look forward to the next one.

@tospicy4ya 4 жыл бұрын

I need to cut and re thread some stainless steel arms on my van mirror but not sure what size thread I’ll need or tools that I can use on polished steel

@Stu81 Жыл бұрын

I need to thread some 5mm 304 stainless steel, never thread anything before so I'm wondering if threading a 5mm rod will make it an m5 thread if the right cutter is used or does it not work that way and I will need to cut it to a smaller thread size? Thanks for any advice, also will a cheapish tap and die set off Amazon do the job on 304 stainless?

@jaylittleton1 5 жыл бұрын

Very well presented. But that's only my opinion.

@raviprakashvs1213 2 жыл бұрын

I was so worried that we were not threading it right with motor power, and started threading with hand. Turns out we were just going with the right choice.

@BillySugger1965 5 жыл бұрын

Great advice for us beginners. Having watched plenty of your videos, I was expecting you to fit the adapter to one part (probably the valve) with a retainer like Loctite 603 so it doesn’t come out, then 542 to the other end which makes it removable. This way you’d never get the adapter stuck in the boiler bush if you removed the valve. Let me guess, 603 doesn’t seal well enough? Is that the reason you didn’t do this?

@keithappleton 5 жыл бұрын

603 is unnecessary in this application.

@digital_harry 4 жыл бұрын

Can i know what kind of taps and dies to use to cut stainless steels? Are they like the drill bits i use that have some cobalt? I asked in some places and they only sell taps and dies of Hss, doesn't seem to carry anything more sofisticated than that. Any brand or any other information is welcomed.

@keithappleton 4 жыл бұрын

High Speed Steel would be my choice.

@lisakingscott7729 Жыл бұрын

I made the same mistake the first time I tried to use a lathe to cut a thread!!! What type of die did you use? I need to do something similar and have had issues thread cutting stainless in the past. I have noticed that drilling stainless with a hand drill can easily wreck HSS drill bits. However pushing hard and lubricating well, a drill press helps a lot. I have also recently discovered cobalt drill bits. They go through stainless like butter.

@keithappleton Жыл бұрын

I just used aCheap Carbon Steel Die.

@clivelee4279 5 жыл бұрын

Morning Keith, how does the superheated steam get to that fitting ? is there a internal pipe, if so,the temperature will be the same as the boiler, ie saturated . regards

@keithappleton 5 жыл бұрын

Please watch the part of this video where I explain the superheater arrangement on a Stuart 504 boiler . . . . .

@clivelee4279 5 жыл бұрын

Watched and listened again to your explanation, so the steam is collected in the top of drum, lead though a super heater element, and then exits the top of the drum via the the stop valve , have I got that correct? regards.@@keithappleton

@keithappleton 5 жыл бұрын

Yes