I believe it would be really easy to change the base plate drawing to work on my SB9 as well. The critical dimension is the height from the top of the cross slide to the spindle centerline.
My measures 3. This turner will make a ball up to 2. I spent some time on Steve Bedaire's site and saw how he used setscrews to retain the tool holder.
Does that mean that they have to be loosened and retightened each time the tool is adjusted for another pass? Another idea I wanted to try involved hobbing teeth around the circumference and making a worm setup to rotate it instead of using a handle.
I gave that one up reluctantly only because I've never tried it cutting teeth before. Maybe next winter. Jerald MI. View Profile View Forum Posts. Mike- nice work! Are you going to blue it when you are complete?
Advice: by the wife her own set of yard tools. Very fancy. The tapered roller bearing is the key to making this thing work smooth, and I bet it does! Jerald, Yes, the same wrench is used for installation as the compound and can be accessed without disassembly. Unfortunately I don't think gun blue will work well since I made the body out of D I may try though on an extra piece of material.
I'm thinking powder coat since I have never done it and it would give me an excuse to get a set-up. Jim, It's scary smooth and having a feed screw on the toolholder makes turning a ball very quick.
I'm going to try some larger steel balls today as I need some inch and a halfers for an upcoming welding project. One of the cutest, nicest ball turners I have yet seen. I'll have to check out the Logan section as I have an Mike, That is the nicest ball turner I think I've seen.
Very nice. You mentioned the inserts are set to 3 degrees. In which axis and why? HolesCreek, If you do some plans, count me in! Excellent Job!!!! Take Care, Ken. Greg, I also make my own carbide insert toolholders for my lathe and have done some experimenting with angles between 0 and 5 degrees sometimes compound angles. After figuring out what worked best, one day I stumbled on a catalog page in an insert mfg. In my experimenting I found that without a negative rake cutting tip down the tip chips off quickly and the front of the insert just rubs against the material.
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The tool is used called a counterbore. The speed is slightly less than drilling. The principle of turning a tapered hole is similar to the external taper turning operation and is completed by rotating the work on a chuck or a faceplate. The feeding tool is at an angle to the axis of rotation of the workpiece. A boring tool is mounted on the tool post and by swivelling the compound slide to the desired angle, a short taper hole is machined by hand feeding.
Tapping is the operation of cutting internal threads of small diameter using a multipoint cutting tool called the tap. In a lathe, the work is mounted on a chuck or on a faceplate and revolved at a very slow speed. A tap of the required size held on a special fixture is mounted on the tailstock spindle. Undercutting is similar to a grooving operation when performed inside a hole. It is the process of boring a groove or a large hole at a fixed distance from the end of a hole.
This is similar to the boring operation, except that a square nose parting is used. Undercutting is done at the end of an internal thread or a counterbore to provide clearance for the tool or any part. Milling is the operation of removing metal by feeding the work against a rotating cutter having multiple cutting edges.
For cutting keyways or grooves, the work is supported on the cross-slide by a special attachment and fed against a rotating milling cutter held by a chuck.
The depth of cut is given by vertical adjustment of the work provided by the attachment. The depth of cut is given by verticle adjustment of the work provided by the attachment.
The feeding movement is provided by the carriage and the vertical movement of the cutter is arranged in the attachment. Grinding is the operation of removing the metal in the form of minute chips by feeding the work against a rotating abrasive wheel known as the grinding wheel.
Both internal and external surface of a workpiece may be ground by using a special attachment mounted on the cross slide. For the grinding external surface, the work may be revolved between centres or on a chuck. For internal grinding, the work must be revolved on a chuck or faceplate. The feeding is done by the carriage and the depth of cut is provided by the cross slide. Grinding is performed in a lathe for finishing a job, sharpening a cutter, or sizing a workpiece after it has been hardened.
As we discussed lathe has a wide range of applications in manufacturing industries. Performing any operation on the lathe is much easier than other machines and learning about this machine is equally easier.
That is it, thanks for reading. If you have any questions about this topic ask in the comments. Enter your email address. Sign Up. Saif M. He completed his engineering studies in and is currently working in a large firm as Mechanical Engineer. He is also an author and editor at www. Thanks for sharing this wonderful article.
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Lathe Machine Operations. Types of Lathe Machine Operations 2. Enter your email address Sign Up. Download now. Keep visiting. Greatest piece about the lathe … Thanks to the eng post Reply. Your style of writing the blog is excellent I am very impressed by your writing.
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