LATHE SETUP

good day and welcome to the machine shop today we're going to give you a little quick tutorial on how to set up a machine lathe here it's going to be a just a basic introduction to show you how to Center the tool what type of tools you can use we're gonna do a little center drilling and drilling and it'll just give you an opportunity to go back and look at this if you have questions if you have questions after looking at a video will be short ass before I get started I'm gonna change my irregular glasses and put on safety glasses so I don't get something in my eye I'm gonna take off my watches and rings if I have any I just for safety and I got loose sleeves so I'm gonna roll them up and make sure that I'm not gonna get hooked up in the machine so I'll just go over the lathe really quickly because we've already done this in other tutorials the lathe is the Chuck it does two rotating which holds your work there's an on switch up here which is the green button and there's a large bear on the floor which is to stop button so I can start and stop the label with that I'll just give you a quick demo on that and there's a fire on the door which is a foot brake and it stops the lathe there's two controls in the front that we'll be using one is a large hand wheel and it moves to carriage of the lathe parallel to the axes at a rotation and rotating machine and the small one moves it perpendicular so you would use one for facing and one for turning and there's also a compound that we can set at different angles and we can use that for cutting angles if we're doing something so that's the basics of the machine the speed setup is with the buttons under control right now we've got the machine set up to run at 600 revolutions per minute which is fine because we're going to be using a piece of brass today first thing is you have to decide what machining operations you're gonna do today we're going to be doing a facing operation and a turning operation most times that's what you'll be doing in the lathe there's also inside boring operations so if we're doing a turning operation we have a couple of options for tools we have a high speed steel tool that we can use or we have a carbide the carbide tools are designed for harder materials and you just change the insert high-speed steel is four-mile steel brass and aluminum of things and we we can use that for turning the brass we're going to use today so I'm going to use high speed steel that's easy for me to repair if I touch it on the chop or it gets worn I can sharpen it very easily so what we're going to do is we're going to put it into the tool post the tool post has a bolt in the top when I loosen the bolt it rotates around the bolt so I can swing this around and it allows me to change the angle of the tool for the different turning operations I'm gonna do so I can tighten that I'll just set it for now and once we get to tool and we'll need to move it to make our adjustments all the tooling that I need for the tool post and the Chuck around the board next to the lathe and if everybody puts it back where it's supposed to go it'll be there for you to use so now I'm gonna show you get a quick change tool post the tool post has a tool holder that can come out there's a small cam that moves this little block in and out and holds the piece we have a bunch of different ones so I can put in two or three different tools if I'm doing different operations and it allows me to change them without having to go through all the trouble is set into Center height and everything each one so I'll lay this in the tool post and I'll just snug it up for now now I'm going to take a turning tool a right-hand turning tool and I'm going to put it in here there's this another wrench on me which is the one with a small square at the top I'll use that and I'll just tighten my tool bit so it can't move the next thing I really need to do is make sure that I set the tool height on center which is to Center rotation of the Chuck turning so the easiest way to do that is to take a live Center which is with the lathe there's a Morse taper on the back there's a Morse taper inside on the tailstock there's a large bolt that goes down and clamps to tailstock to the lathe so when I loosen it I can move to tailstock I'll bring the tail stock out a little inside there's a bolt that pushes it out and moves the tail stock back and forth to quill so I'm gonna just give it a little bang that holds it in if I want to remove it I just go back till it touches to bolt the bolt will push it up and I can remove it so come out with a bowl a little bit bang it in and you're good to go so this is the center of the lathe to Center the rotation of the chuck so what I want to do now is turn the tool so I can see if it's the tool bit is actually on the center so I'll turn the tool can use the smaller wrench to ten millimeter and I can loosen this and I adjust the height by turning this bolt and that actually sits on top of the cam holder here and raises and lowers to height of the tool so I can bring the tool back or I can bring the center up I'll just snug it till one move and I'll bring the tool in and as you see the tool bit now is quite a bit lowered and center so I wouldn't it wouldn't allow me to cut right to the center of the piece so it's really important that I Center it so what I'll do is I'll just turn the screw a little bit that'll raise it up you just want to make sure I'm not gonna hit a tool and break it and I'll smoke it and right about there looks right so now when I tighten this bolt so now the tool can't move any more it's on center and I can start machining with the tool on center so I'll move the tailstock back out of our way now we're gonna machine a little piece of brass today I'm gonna do a facing operation to clean it up and I'm going to do an outside turning operation okay so we'll take my Chuck key the Chuck key fits into chuck and it's really important to only put it in the Chuck when you're loosening or tightening I'm gonna tighten it up and I'm gonna make sure I take it out kind of water so know where it is now the tool is not in a position there to they can actually do the machining so again I'll loosen the main bolt on the middle and I'll pivot the tool around what I want to do now is take this tool and put it in a position so that I can do a facing operation the tool is ground it's less than 90 degrees so I can actually do a facing and attorney but if you look at it now the tool won't actually go in and touch the face because the cutting edge is right here on the tip this tip right here so what I need to do is I need to rotate the tool so that I can actually just get to point to touch and if you look there to point is touching so I'll tighten up the large bolt and I can perform a facing operation I also because it's less than 90 degrees can move to the outside and do an outside turning operation as well so just to show you briefly I'm going to turn the machine on and do that machining operation I'll face the part first and I'll machine the outside the facing operation and you know you're on center if it goes the right away and takes it actually there's a little tiny bit sticking in the middle so you know it's not perfect but it's close enough for this okay now I'm going to touch it on the outside and I can do an outside machining operation as well okay so sometimes as well if you're doing a basic machining on the lathe you will need to part the stick out of the chalk a long way so the problem with that is because it's sticking out so far it increases the chance for a lot of vibration and chatter and makes it very unsafe to be doing so to remedy that we're actually going to take out our lock power live Center by winding the handle back and I'm gonna put in a Jacob's Chuck the take-up Chuck dem can hold a drill so if I want a center drill which I do quite often before I drill a hole or in this case we're going to center drill and use it to support the end of the shaft the Jacobs Chuck key is on the board as well so we'll tighten this so it won't move I can bring it up to the work now the large bolt that goes down through the tailstock tightens push the green button start late and I can actually drill a small hole this is designed so that it drills a small hole for clearance and then puts a taper on which is exactly the same taper to us on the live Center so now I can move my drill back I'll remove the drill bit and Chuck I can put that off I'll put the live Center back in now so now I can take my workpiece loosen it into Chuck and I can move it out as long as I got a little bit to hold I can tighten it when I move my live Center up now it supports the end and it allows me to do the machining operation without worry it chatter I can move my tool and now and as you can see I had the tool set up before for doing a facing and a turning operation right now we can't do a facing operation because the center is in the way so I need to turn it now so I can just do an outside turning operation so I'll loosen the bowl as you can see there's quite a lots of adjustments for here we'll move this around so now I'm set up to do an outside turning operation and I'm ready to go so I'll start too late I can bring in and set up for my cut now I can feed it along just as a point of interest I'm going to remove the center and show you what happens when I don't support the end so Carolina's gonna move back a little bit and back that toward the wall a little bit so she's not in the way just in case the tart comes out and as you can see if you're in part is not supported it's very easy for the piece to hook and it could be disastrous for the person operating the lathe or somebody's standing nearby so it's really important when you do machining operations that you make the setup as rigid as possible and we do that by holding and close to the chuck or if we're going to be a support in the animal to tail style and that's about it for the basics if you do have any questions after looking at the video and you want to approach myself or Caroline that's the right thing to do because we will be able to keep you straight and make sure that nobody's going to get hurt so have a great day and we'll look forward to working with you later

Channel: munmachineshop

Views: 634,191

Rating: 4.8046761 out of 5

Keywords: MUN, LATHE, SETUP

Id: SOnPEwP9bCA

Length: 10min 43sec (643 seconds)

Published: Fri Sep 09 2011