how to CUT THREADS on a harbor freight mini metal lathe
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- เผยแพร่เมื่อ 29 ก.ย. 2024
- This little wave could do quite a few things including cut threads. In the video I show you the gears and the set up and demonstrate how to cut threads in a wooden dowel rod. **************************************************
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I just a got a new mini lathe from king and I can't believe it's not in the user manual. Thanks for this great video!
Super helpful!!! Appreciate ya
Hello sir morning,great work, nice.
WOOD? What's that?
Mine doesn't stop fast enough, sometimes it stops immediately sometimes it takes a moment. all the holes on threads for gibs have been stripped, re-drilled and tapped and the metal just keeps breaking apart, its like my mini lathe is made of powdered metal, these things should really be made in a better country. even a mini mill I got, the column had a casting defect, during the pour the core of the mold must have shifted because a part of the column was much thicker and another section, right at the dovetail, was knife thin.
can u make bolt threads that arent common? like 3/8/-10 , 11s or 3/8/-8?
sure:
8 TPI A20 B any C any D40
10 TPI A80 B any C any D50
11 TPI A80 B any C any D55
but that super coarse for a small 3/8 diam, then youd need to cut internal threads to match tho. experiment with whatever material you have!
littlemachineshop.com/reference/change_gears.php
I suppose you probably could but probably be much easier or cheaper to just buy some unless you needed 1,000 or something
Could you, or anyone, tell me if this lathe can cut LH/reverse threads? Thank you
It can yes, you can switch the feed of the table independently of the rotation of the chuck.
Yes👍
worst example ever but good luck.....;mf
This was a huge help! You did a great job breaking it down and making it seem way less intimidating than what I had in my mind.
Excellent idea to try on plastic and wood. Cheap for practicing.
Thanks
Good explanation for a complicated procedure on an HF lathe!
Are those gears plastic?
First off, Thanks.. Documenting is a good thing to do.. However, instead of talking about what you “WOULD DO/SHOULD DO” ?..I mean Sheesh, you are making a Video on thread cutting after all.. I not trying to be rude but Why not just “Do it right”..(next time) 👍😉
THANK YOU! been looking for a how to cut threads on thos lathe. and mine came out of the box with the thread dial loose and just swinging down . had no idea what i was supposed to use it for . in your video i could see how it is supposed to be and how to use it. .
Ehew, plastic gears 😮
It's from harbor freight so it can be expected
I call them blue moon tools , you can only use them once in awhile
If you use them every day buy something better more expensive but it will hold up a lot longer
I was hoping you was going to leave the link for the harbor freight thread machine
Those change gears look like they would fit my atlas/craftsman 101
Can it cut metric threads ?
Yes, for the gear number, just divide the teeth by two and then add 14
5:10 for the record that's what that table on the sticker immediately left of the green sticker is for.
MY lathe shows H for gears and numbers.
WTF is H ?
Is it possible it's a sign for manual transmission gate.
Thanks dude. You answered a question for me.
What about metric threads?
Nice bro.
thank you ...;o)
Is there an option for metric?
yes you can cut metric
well, in the US, mini lathes are sold with 16tpi lead screws, but you can get a 1.5mm pitch leadscrew from LittleMachineShop to do accurate metric threads
there is a cheat tho, to do 1.0 threads for M6 or M8), with .087% error so it's not precision but you can do A 45, B 55, C 50, D 65
@@shoesole1873 see littlemachineshop.com/reference/change_gears.php
@@pauls5745 Yes that's exactly what I used. I had to thread a m24x1.5 and needed to changes the gears till I found the closest match. Have you tried the LMS mm leadscrew? I'm wondering what's quicker to change out, the leadscrew or the gears?
@@shoesole1873 oh i think about the metric sometimes bcs I do lots of stuff bicycle related and it's all in mm. changing gears out is quick, they are all right there as opposed to messing with the half nut and thread dial,, ugh haha
I am not an expert, but firtst you need to make a "discharge" slot so that you stop always at the same point.
Regards.
I think is what's typically called a "thread relief", right?
29.5 degrees
It's much easier just putting a dye in the tailstock, and also why the hell use wood, overall a very poor and disappointing demonstration
sometimes you can't always use the tailstock, and why buy a die if you'll only thread only 1 or 2x. also most dies are for certain diam, so there's that. ex. what if I wanted internal threads on say 2" hollow stock?
give the guy a break. im guessing he didn't have any scrap around. there's a lot of thread cutting vids out there, ThisOldTony, MrPete222, etc
It's a demonstration of thread cutting, not screw making. Quite often you want to thread parts that are nowhere near any standard diameter. And using wood to practice on is an excellent idea for beginners scared of wrecking their new toy.
Why not learn to use the tool, why buy when you can build and why they hell waste material when you do have too. Overall I have to say this was a very poor and disappointing comment.