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milling

indexable facemill

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garrygun10/09/2011 20:32:35
70 forum posts
Hi guys, nubee here so be gentle with me.
I have a chester eagle30 milling machine, ive tried facing some ally&steel the finish is rough, tried different speeds&feeds still rough, tried fly cutter finis isnt too bad, so i think the indexable facemill is rubbish it was a warco special offer,
so i would like to purchase a decent indexable multi use face mill, could someone recomend one and a supplier?
thanks Garry.
Clive Hartland11/09/2011 10:49:37
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2929 forum posts
41 photos
Garrygun, if you read back through some of the older postings you will find exactly what you are looking for.
With the supplied 'Bargain' cutter it may have the wrong inserts fitted and is not a bargain when you have to buy further inserts.
Make sure that your slides are not slack and that you have clamped any non moving part of the machine before you cut.
Remember up-cutting is the normal cut against the metal. downcutting will cause poor surface if there is backlash in the slides.
So please read back and see if you can glean anything from previous postings about milling.
 
Clive
 
keithmart11/09/2011 11:10:25
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165 forum posts

Hi Gary


Look at these videos:-


http://www.machinistvideos.com/tag/mill/

They may well help you


Check this site for free videos of lathe, milling and other machine shop things



http://techtv.mit.edu/genres/24-how-to/videos/181-machine-shop-3


regards

Keith

Leeds UK

Edited By keithmart on 11/09/2011 11:13:48

Laurence B11/09/2011 11:30:51
58 forum posts
Might I suggest having a look at what Arrand Engineering have in their catalogue.I have bought a number of indexable milling cutters and lathe tools (amongst other items) from them over the years.They are relatively expensive,but they do make quality tooling.
Generally I have found that HSS tools usually produce a slightly better finish than indexable tools,but the surface finish with indexable tools should be generally very good.
 
garrygun11/09/2011 14:18:13
70 forum posts
Thanks guys i will look through the forum also the videos.
Cheers Garry.
Bogstandard11/09/2011 18:44:06
263 forum posts
Garry,
 
This might seem to be a simple question, but this type of mill has caused problems getting a good surface finish for others as well.
 
Have you tightened up the quill lock before cutting?
 
I ask this because the RF type mill/drills (of which yours is a clone) have a tendency for the quill to go up and down at will if not tightened up, so the cutter can go up and down as it travels along the job. On the one I had, there was about 20 thou up and down movement of the quill. Grab hold of the quill, with the lock off, and see if you can lift it up and down.
 
All sorts of fixes have been tried over the years, and I eventually fitted a long compression spring onto the depth stop to keep the quill in the upwards position, but I would always still use the lock as well, others have used pulleys with weights hanging on the end of wires, long tension springs etc to get that quill up.
 
John

Edited By Bogstandard on 11/09/2011 18:45:00

garrygun11/09/2011 20:42:01
70 forum posts
Im in the workshop tomorrow so i will check it out for up&down movement, as for the quill lock it does tighten up but im not too happy about it, i think i will adjust it a littleso i can get it a little bit tighter, meant to say this is a new machine so im expecting a few teething problems.
Cheers Garry.

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