Thread: 50mm Face Mill and 10 Mitsubishi Inserts for $CHEAP

Mark...hurry up those pics.....we are all envious..lol

who was supplier of the face mill....or are you keeping this a secret..lol

I am curious to see how they are made, they do look bead blasted which suggests they may have been heat treated and the oven scale needs removing. I look forward to a full report on them.

I have done some work and test cuts with this tool and inserts and I am very happy - especially with the inserts. They have lasted longer than I expected and have proven to be very tough as well. The tool does exactly what it should - holds the inserts securely and spins - not much more to it really. The inserts were very easy to fit to the tool - some other manufacturers only use a central counter sunk clamping screw through these inserts - this tool has a clamp as well. I dont know whether inserts without a centre hole could be used - relying solely on the clamp. I doubt it.

I have also suffered my first CRASH whilst trying to do what I call an angular skim - got my leftie and rightie mixed up and managed to stall the machine! Shut down the feed and spindle quickly. Backed everything away and proceeded to check spindle, etc. No discernable damage done - apart from the work piece. The cuts on the 30mm bar were done after this crash. I was certain it would have damaged the inserts - but they were fine. Close ups of inserts were after the crash. Love that VP15TF!

The photo's titles pretty much explain all you need to know - depth of cut(DOC), feed speed and spindle speed. Spindle should be about 1200RPM - I havent hooked up my VFD yet - and the next higher speed is 1700RPM. If it was running at 1200RPM I would expect a larger DOC or a higher feed with the same results/load on the machine. I am new to milling - but I have been using other machines(drills, grinders, cut off saws, etc) for years - and I would say the machine was running quite happily at the DOC, feeds and speeds listed. I will probably even try greater DOC/higher feeds at a later date. I did do a skim cut on a 600mm piece of 5mm wall RHS at 0.5mm DOC and 50mm width of cut at 720mm per minute feed - the chips flew I can tell you!

More photos to follow.

More results.

Mark,
Looks like it does a good job a removing metal with a good finish. And can't complain about the price.

Dave

Forget to mention that all cutting was done dry. You probably all recognized this from the photos - I just wanted to confirm the cutting conditions. AFAIK this is Mitsubishi's recommendation for this grade of PVD Coated Carbide. Very handy property in my eyes.

I have measured the body run-out at low speeds with a mag base and electronic plunger gauge. The runout was less than 0.04mm at any height. I have a suspicion that this runout is coming from my combination shell/face mill arbor. The two dogs that engage in the cutout on the back of the face mill are removable, to allow a shell mill to be installed on the same arbor. This has to introduce some error.

Insert radial runout - the largest difference between any of the inserts, measured at their outside edges ie circumference of tool, was measured at 0.04mm. I think the source of this is the arbor as stated above. It is also possible that I might be able to remove this error by loosening the clamp/fixing screw and re-tighten them while holding the insert in the correct position.

Insert axial runout - the largest difference between any of the inserts, measuring the location of the inserts cutting edges ie the bottom of the inserts when in the tool, was measured at 0.02mm.

These figures - 0.04mm and 0.02mm are within the specs that Mitsubishi Carbide list for their tools - less than or equal to 0.05mm Peripheral Cutting Edge run-out accuracy and less than or equal to 0.03mm Minor Cutting Edge run-out accuracy (I dont unserstand the Minor bit - but the diagram uses this terminology). I bet they are a bit more than US$17.1 though!

If you don't mind, who is the supplier?

Apologies to eskimo and seafurymike - but I wont be releasing the companies name to anyone. But I can sell you their tools - I am importing them for re-sale in OZ.

Originally Posted by seafurymike

If you don't mind, who is the supplier?

Seafurymike
If you contact some suppliers through China.com most all of them will send you a cheap sample if you pay for it and postage.
Here is another site to look at.
Yinsheng Machinery Tool Co., Ltd. Small Orders Online Store

CTC tools has a 50mm face mill with arbour for $117.88 posted to you
Results for Cutting Tools:Indexable Milling Cutters:Indexable Mills

Eskimo,
There goes your cheap price for this cutter, maybe look at the CTC one posted above but with a NT30 arbour. Does this mean you and Ray are also out of a cheap group buy on the oilers?

Mark,
Do you think you can compete in price with CTC or US prices for the same gear after putting your profit on top?
I would imagine both are buying in huge amounts to keep there profit up.


Dave

Dave J - if you have learnt anything about me from my posts, then you know I do my homework. I can beat CTC and Yinsheng.

I am curious as to why eskimo and Ray might be out of the Lubrication system buy now. Was their participation conditional on me giving out the name for my tool supplier, and I didnt know about it? Surely it doesnt stem from sour grapes at me not sharing the fruits of all my work?

No sour grapes here, I wasn't after anything from your unnamed supplier, I am happy with CTC, UK and US suppliers I buy from now.
I never said they would be out of an oiler buy. I said 'Does this mean you and Ray are also out of a cheap group buy on the oilers?'
I thought you might be importing the oilers to sell and make a profit as well.

Dave

Originally Posted by markjaffa

Dave J - if you have learnt anything about me from my posts, then you know I do my homework. I can beat CTC and Yinsheng.

I am curious as to why eskimo and Ray might be out of the Lubrication system buy now. Was their participation conditional on me giving out the name for my tool supplier, and I didnt know about it? Surely it doesnt stem from sour grapes at me not sharing the fruits of all my work?

No Mark....I'm still in if your willing to accommodate......no sour grapes here.

Originally Posted by Dave J

Seafurymike
If you contact some suppliers through China.com most all of them will send you a cheap sample if you pay for it and postage.
Here is another site to look at.
Yinsheng Machinery Tool Co., Ltd. Small Orders Online Store

CTC tools has a 50mm face mill with arbour for $117.88 posted to you
Results for Cutting Tools:Indexable Milling Cutters:Indexable Mills

Dave

I have looked at Yinsheng several times and a few others on Ali express.

and I know CTC is there...I got the ER32 Met & Imp collet sets from Hiene

How ever I was after a 75/100mm face mill and preferably one that takes TPUN inserts that I use for the 50mm I have, so that I dont have to buy so many different ones...but that doesnt look like its going to happen....not at the prices H&F and others want for a new arbour and cutter....so looks like I'll have to get one from elsewhere....Why do I need a 75 or 100mm face mill .....same reason why I now have 3 camel backs...cos I can????...the 3rd one was a cheap buy and I couldnt resist.....swmbo would have been proud of me ( glad she doesnt know but) ..lol.

Originally Posted by Dave J

No sour grapes here, I wasn't after anything from your unnamed supplier, I am happy with CTC, UK and US suppliers I buy from now.
I never said they would be out of an oiler buy. I said 'Does this mean you and Ray are also out of a cheap group buy on the oilers?'
I thought you might be importing the oilers to sell and make a profit as well.

Dave

Hi Mark,

The only issue I might possibly have a concern with is if you are planning to turn tool importing into a business. That situation needs to be clarified.

Buying off a business is a different transaction to a forum group purchase.

I don't have a problem either way, but it needs to be upfront.

Regards
Ray