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Re: Cutting fluid
Posted: Wed Mar 04, 2020 4:27 pm
by KHGS
BATattack wrote:Rich4 wrote:At low rates most cutting fluids will work adequately, machining is always a balance between economy and speed, when you’re more focused on accuracy and maintaining very expensive tooling, cutting fluid cost becomes almost immaterial, personally I wouldn’t risk a reamer to an oil which is slightly cheaper
Yep agreed. I do a bit of "agricultural" work and am aiming to do some more precision work so am open to all suggestions on products that are best suited to specific applications.
Matt do you "cut" the Ilocut with anything or just run it neat on the flush system? Does it last or go off? Interesting on the data sheet it says that it's 20% fat. . . . . . Is that what you and Rod do your fish and chips in to shoot so well?

Pete I reckon canola oil might be worth a try from things I need to weld afterwards! Much better than breathing in rocol fumes! Not sure how well it would go on 316 but for aluminium which usually suffers from chips cold welding to the cutting edge it could be a good option.
WD40 is excellent for aluminium machining and great for parting SS too. Metho is very good for aluminium but the fumes are a problem. Ilocut is an excellent product and does not go "off". Old time gunsmiths (even before my time

) used lard. A bit of trivia......I have a .308 reamer that has cut several hundred chambers and is still going strong, so using good cutting oils and driving your reamer correctly is definitely a plus.
Keith H.
Re: Cutting fluid
Posted: Wed Mar 04, 2020 4:34 pm
by KHGS
BATattack wrote:Rich4 wrote:At low rates most cutting fluids will work adequately, machining is always a balance between economy and speed, when you’re more focused on accuracy and maintaining very expensive tooling, cutting fluid cost becomes almost immaterial, personally I wouldn’t risk a reamer to an oil which is slightly cheaper
Yep agreed. I do a bit of "agricultural" work and am aiming to do some more precision work so am open to all suggestions on products that are best suited to specific applications.
Matt do you "cut" the Ilocut with anything or just run it neat on the flush system? Does it last or go off? Interesting on the data sheet it says that it's 20% fat. . . . . . Is that what you and Rod do your fish and chips in to shoot so well?

Pete I reckon canola oil might be worth a try from things I need to weld afterwards! Much better than breathing in rocol fumes! Not sure how well it would go on 316 but for aluminium which usually suffers from chips cold welding to the cutting edge it could be a good option.
Canola oil is quite good for frying chips!!!! I think it is penny wise and pound foolish to skimp on cutting fluids where expensive chambering reamers are in use.......my 2 cents worth.
Keith H.
Re: Cutting fluid
Posted: Sun Apr 12, 2020 11:36 pm
by Rich4
E5F75BC3-4AEC-4FAD-9A74-9C2C684BCF4B.jpeg
Just as a interesting side note, I cut a long tuner thread applying Rocol and Sutton venom in series, not fair as the Sutton had the most overhang, however I certainly wouldn’t argue over the difference, for a chamber I tried Rocol again and am split, the finish is possibly better???? However I like the flushing ability of the thinner venom, but I fee Rocol possibly has some resistance to chatter being thicker?
Not sure what happened there with the pictures but o well?
Re: Cutting fluid
Posted: Mon Apr 13, 2020 2:18 pm
by Wal86
Castrol Hysol MB50 works well in a flush system when chambering/and or cutting crowns etc.
Chesterton 389 works well when cutting threads..
20200413_095112.jpg
Screenshot_20200413-094744.png
Screenshot_20200413-094650.png
All tooling has carbide inserts
crown cut at 90rpm
Re: Cutting fluid
Posted: Tue Apr 14, 2020 9:42 am
by BATattack
Looks good Wal. What tooling and speeds are you running?
Re: Cutting fluid
Posted: Tue Apr 14, 2020 9:56 am
by Rich4
I must admit I didn’t initially look that close, cannot argue with a finish like that, Hss?
Re: Cutting fluid
Posted: Tue Apr 14, 2020 8:42 pm
by GSells
Rich4 wrote:E5F75BC3-4AEC-4FAD-9A74-9C2C684BCF4B.jpegJust as a interesting side note, I cut a long tuner thread applying Rocol and Sutton venom in series, not fair as the Sutton had the most overhang, however I certainly wouldn’t argue over the difference, for a chamber I tried Rocol again and am split, the finish is possibly better???? However I like the flushing ability of the thinner venom, but I fee Rocol possibly has some resistance to chatter being thicker?
Not sure what happened there with the pictures but o well?
Hmm Rich , nice looking 284 w bart barrel tuner thread !!
Looking forward to taking her for a spin !