Other than the drilling and tapping of 5 14x20 holes the kit is a straight bolt on conversion and includes all the fastners, timing belts, timing cogs, ball bearings, needle thrust bearings and brackets, covers etc for the conversion. I to like david howard at the time, would like to know if any members on the forum have fitted a vfd to a 9x20 lathe, and what vdf they used and. Harbor freight, grizzly, enco and others sell variations of a 9x19 or 9x20 chinese lathe. Industrial applications must follow osha guidelines. Hi can any one help me i have a 9x20 lathe with a metric lead screw i need to cut a imperial thread and i was wondering does anybody have a imperial change gear chart for the metric lathe so that i can get the correct gear train set up to cut imperial gears. If you are not familiar with the proper and safe operation of a lathe, do not use until proper training and knowledge have been obtained. The links below attempt to collect some of the best references for the 9x20 lathe. This package contains all the tooling you need to be productive with your 9x20 lathe on the first day you own it. I have found this forum post from 2012 about the 9x20 lathe, i to have one of these lathes and would like to fit a vdf to mine. Find great deals on ebay for 9x20 lathe and 9x19 lathe. I have noticed there is still a fair bit of flex under some conditions, parting being one. This tool post mount is internally threaded m8 to thread over the standard tool post mounting stud on a 9x19 or 9x20 lathe. The links below will direct you to pages with details of lathe modifications and improvements, some of my completed metalworking projects, lathe tools, and model steam engines.
Some will say that the tooling costs as much as the lathe. Compound upgrade upgraded ballbearing bracket for the compound. Mods on the headstock, as well as with the mini lathe bed, were the ones that took more time to be planned. Recently i bought a 9x20 harbor freight bench lathe. Here is the first needed modification to you 9x20 metal lathe. This screw was always full of chips and half the time under the compound making it hard to access. Freeware msh build your own pc or iphone readout using dro scales. Only feed workpiece into a cutting tool against the direction of rotation.
But if do get a 9x20 do not get it from jet or waste your money on the stand unless you are under 4 tall and like to work sitting on the floor. I gave this a lot of thought and decided that the larger 9 x 20 lathe would be a better choice than the popular 7 x 12 lathes. In this shoptalk episode i will go over my chinese 9x20 lathe and what i did to it. Do not use this lathe for other than its intended use. Bd920ncs11 jet key 3x bd920n bd920ncs11 repair your jet machinery now with this jet key 3x bd920n bd920ncs11. Grizzly g4000 9x20 4 bolt compound clamp mod youtube. My 9x20 has a couple of mods including a qctp and 4 bolt clamp for the topcompound slide. A hand hobbershaperslotter for the south bend 9 lathe. Page 1 page 2 table of contents page 3 important safety information page 4 page 5 lathe safety warnings page 6 grounding page 7 extension cords page 8 page 9 specifications page 10 functions page 11 page 12 page. In my case, i am a casual follower, who has a 9x20 lathe that sits rather dormant now. Remove the power supply box from the lathe 4 screws and flip it over same as for lowspeed mod two wires run from a black plastic terminal block to the bottom two terminals of the fr switch.
Ron schauers 9 x 20 modifications a few of rons modifications include. I have a taig, and although its nice for very small stuff, id not try to make anything more than about 2 in diameter. This lathe is designed and intended for use by properly trained and experienced personnel only. Apr 23, 20 the second project for my new lathe was a carriage stop. The external thread mates with the nut furnished with our axa quick change tool post. These lathes probably get more criticism than they deserve. The model g4000 is great lathe for those getting started in metalworking. It is not straight forward as the original motor is not a standard fit. I read most of the 9x20 posts to see what is going on with neweryounger users of them now, but have been through extensively updating my own with dc variable speed drive, tachometer, 4 bolt flange, axa, etc.
Do not leave the tool unattended when it is plugged into an. Mikes workshop lots of interesting mods to the mini lathe and mini mill. Shop a large range of jet lathe at msc industrial supply. Primary gearing back gears for the grizzly 9x20 lathe although i consider myself a hobby machinist, i am not in the hobby for the purpose of turning large pieces of metal into larger piles of chips. All parts ship out of our springfield, missouri facility. Donut compound mount for the 9x20 lathe coleman family. Disclaimer permanently modifying your lathe should only be. I just had some projects that needed done and as usual no time to do it all. Harbor freight tools quality tools at discount prices since. We offer the complete line of jet replacement parts so you can keep your equipment performing at its peak. Aug 11, 2006 hi l have just bought a 9x20 lathe which as had the motor taken of and the wires disconnected and the mains lead taken of also the wiring diagram had been lost is there anybody who can help me with a new wiring diagram the lathe was bought from chester in the uk the wires coming out of the motor are.
Dec 15, 20 these are the change gears for the 9x20 class of lathes. Operating instructions and parts manual 9 x 20inch belt. Nova 71001 lathe accessory, 2mt alignment center type ii manufacturer video. Do not use the lathe if it is offbalance, or the workpiece is not properly centered. The kit above will allow the cnc conversion of the popular 9x20 lathe sold by harbour freight, enco, grizzly etc. The machine tools are just that, tools, with which i accomplish the desired goals in other hobbies. It is just barly able to fit in the tool holder and so the alignment to the work piece is high. This page is intended to show everyone what modifications i have done to the lathe and give you some ideas for your own lathe if you have one disclaimer i do not take responsibility for information that is gathered from this site. A new compound support for the 9x20 lathe by john pitkin greenville, texas the objectives of this project were to identify the design flaws in the compound slide mounting and fabricate a true corrective modification. For products that work with many different lathes, such as live centers, see lathe tooling. This model of 9x20 lathe is sold in a number of variations by a variety of vendors and is very popular, so many people have written about its pros and cons, and have offered numerous modifications and improvements. Metric threads on a south bend 9c lathe without buying a transposing gear. Quick change toolposts and other accessories for small lathes including the grizzly g0602 and the 9x20 lathes.
Central machinery 45861 set up and operating instructions manual. Actually in your case they add to the flexibility of the unit. The idea was to make all modifications on the headstock at the same time, being sure that one will not turn another more difficult to make. Grizzly 9x20 metal lathe manual the best a very complete manual pdf file encos 9x20 metal lathe manual pdf file. Msc industrial supply is here to support all your metalworking and maintenance repair needs with over 1 million. The change gears for the 9x20 import lathes are basically all the same and are sold as harbor freight, jet, and grizzly 9x20 s. The sieg sc4 is a lot different from my little 7x12. The extended hub was faced off to be the same thickness as the.
Mike klooss 39083 toolpost holder a nice pic of mikes hf 39083 toolpost holder on his hf 9x20 lathe. Lathe modifications lathe accessories and tooling mill modifications and tooling. There are a wide variety of tools and workpiece holding devices available for each of these operations. The second project for my new lathe was a carriage stop. Cut off the corners with hack saw or a band saw to reduce the amount of machining to make a round plate. The fixing bolt for the qctp is still the original skinny one but with spacers. The 9x20 is a large size hobby lathe like the compact 8 and the larger prazi with all of the same performance limitations of the type. Richard shell has posted some interesting 9x20 mods on his site. Saddle carriage lock the original clamp remains unmodified. Remember that toolingeven from wholesale tool or encois going to cost a fair bit.
While larger in capacity than the 7x10 or 7x12 and incuding change gear selection levers, they. When i eventually make a purchase, i will update this note. The typical metal lathe cutting operations include facing, turning, parting, drilling, reaming, grooving, knurling, and threading. This is the second of the two numbers used to describe the lathe size. Last is the home made tumble reverse that works well. Primary gearing back gears for the grizzly 9x20 lathe. Distance between centers the longest piece of work that can be held between a center in the headstock and a center in the tailstock.
Step by step details for adding variable speed to the 9x lathe using a treadmill motor this is a pdf file toolpost grinder submitted by cletus l. Said to be the first mod to make on a 9x20 import lathe. The original smaller one cannot handle the heavy load put on it by the qctp. Quick change tool post mount, axa for 9x20 lathes 3712. I suspect this is the same in most 9 modifications to the lathe, and the original post can still 2 20 lathes on the market.
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