Are Jet Milling Machine Anygood? - Practical Machinist
网页Also have a 13 x 40 JET lathe. No trouble with either machine and both have made me tons of money. When you buy a machine with your own money it is treated differently than one your boss purchased. I'm the only person that runs them. They are well cared for and I don't run them hard. They are still like new condition after 5 years of daily use.
1981 Jet benchtop mill for sale w/collets, ect. - Practical Machinist
网页2008年10月11日 · This machine was donated to the MSR&LHA (www.msrlha.org) for our Climax locomotive restoration project. It is too small for our needs, so it is available for a donation of $750 or best offer. It's a Jet Model JVM 626, Mfg. date 8/81. Has a column riser block, an R8 spindle taper, and the motor is single phase.
HELP!!! How to move a milling machine - Practical Machinist
网页2022年9月18日 · I have purchased a JET JMD1 Milling machine (weight) 2000 lbs. I didnt really want a mill this big, but I really never thought in a million years I would buy it for a 1300. Here is my problem, how the hell do you move it without a forklift. I thought I could completely disassemble it. and move it in parts.
General | Round column jet mill/drill - Practical Machinist
网页2021年2月27日 · I acquired a Jet round column JM-28 complex Milling/drilling machine. I understand the issue with round columns and why not many people like them, but I’ve been thinking how I can make the table raise and lower function stay on track and true. My best ideas so far are tramming the head in...
7075-T7351 Aluminum, Gummy? How to machine? - Practical …
网页2022年1月2日 · I am looking for some advice on machining 7075-T7351 Al (purchased from McMaster). 90% of my work is in 6061 Al, and I have not worked with 7075-T7351 alloy before. I am finding it quite gummy, especially compared to 6061. This is a surprise to me, because I was expecting it to be similar to...
DRO: Everything You Need to Know - Practical Machinist
网页2020年8月28日 · On a milling machine, a 3-axis DRO shows the X and Y axis positions of the mill table plus the Z axis position of the cutting tool. On a lathe, a typical 2-axis DRO shows the carriage and cross slide positions. So how do these devices even work? The integral computer reads signals that are sent from encoders that are installed to track …
General | JET JMD-18 mill upgrades - Practical Machinist
网页2018年2月19日 · Your xxx machine is a good starter but you will eventually find limitations with the R8 collet system. It doesn't weigh much nor is it rigid enough compared to what you might need in the future. Get a Chinese rotary table for it but just understand you may have problems with larger ones given the narrow table.
Need opinions on MAXIMART looking at 1 1/2VS milling machine
网页2018年9月16日 · Well we have now 2 lathes, are building a new shop this fall and I have stumbled into a milling machine for sale at one of our local machine shops. It's a 1996 Maximart 1.5VS with Fagor display. I know nothing about this milling machine, I spent a few hours trying to find info on the web, not much out there, no manuals, or real definitive …
General | Jet JVM-840 vertical mill - Practical Machinist
网页2019年10月29日 · Jet JVM-840 Vertical Mill 120VAC 1.5HP motor table travel 22" x 7.5" I am helping an elderly computer-illiterate friend clean out his workshop. Can anyone give me a rough idea of how much this mill is worth? It would be cash-and-carry and the buyer would need to load it themselves. Thank...
3 Effective Methods for Tramming a Milling Machine
网页2020年2月4日 · To tram your machine using a spindle square, follow these simple steps: 1. Insert the spindle square in the collet. 2. Lower the quill until the two indicators are touching the tabletop. 3. Check that the readings on both indicators are the same. 4. …