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should I peck drill in 6al4v ti with tsc
Almost never peck with TSC drills. Pecking is death to carbide drills, they don’t like the impact. Now milland is correct best practice is to slow the feed right before the tip is about to disengage, this will help preserve the corners of the drill on break out.- Pfmarkeytoolguy
- Post #7
- Forum: CNC Machining
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Simple Slot Survey
Bigger machine like a cat50, I would absolutely agree with an indexable slitting saw, and drill the hole in the same op. The bt30 brother machines are very fast an excel in dynamic milling, however they are limited when you start slotting, they still could but the step over would be light and...- Pfmarkeytoolguy
- Post #34
- Forum: CNC Machining
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Manual Deburring Complex Aluminum Parts
Bingo. Brush research Nam power. In aluminum it will last a very long time. Lots of Different grits available to suit your deburring needs. Run them basically like a face-mill over the feature.- Pfmarkeytoolguy
- Post #16
- Forum: CNC Machining
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Center drills, proper use
This thread is covering two different tools however spotting is the number one misconception I run into at my shops. “spotting drills” 90* for all your high speed. For carbide there are 150* out there however applications are limited for a true spot (baring a crazy true position call out). Up to...- Pfmarkeytoolguy
- Post #42
- Forum: General
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Sandvik face mill
Any chance your reading the numbers wrong? Sandvik Coromant- Pfmarkeytoolguy
- Post #2
- Forum: General
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Drilling a straight hole
Nachi 3 flute aqua exoh3f carbide drill. Centers with precision and the extra flute will generate a finish and concentricity that rivals a reamer.- Pfmarkeytoolguy
- Post #10
- Forum: General
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Coolant, or dry in 15-5?
Maybe a touch more feed but really your parameters and radial are pretty good. All the tooling manufacturers are pushing dry with air blast for stainless with a HSM tool path (and I get it send the heat into the chip not the tool or part), however in the field I have always had the best luck...- Pfmarkeytoolguy
- Post #9
- Forum: CNC Machining
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Tap recommendations for D-2
I’d take a look at vardex tmsd indexable with a vtx grade for a 3/4-10. A solid carbide from the big names will be a couple dollars, Vardex route you will have inserts with multiple edges that are $20 a piece that can be ran in different bodies. It’s a single point however there parameters in...- Pfmarkeytoolguy
- Post #7
- Forum: CNC Machining
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Tool Holders
For the hydraulics, look at schunk tendo-e compact or for more $ the platinums. I carry a cat 40, 3/4” and some reduction sleeves as a demo kit for my customers. Every customer I have left it with for a week to run has bought and continues to buy them. For drill chucks, I have had good luck...- Pfmarkeytoolguy
- Post #19
- Forum: General
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5 Flute Face Mill Speeds and Feeds
Techmet is a big time supplier of carbide blanks, Fullerton tool, Gorilla mill, just to name a few use there carbide. Direct competitor to Ceritizit. Couple of years ago they introduced a turning line and some milling inserts. There is a couple of us distributors here in michigan with the line...- Pfmarkeytoolguy
- Post #24
- Forum: CNC Machining