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J
YG1 Spade drill insert question
So, I am currently running a YG1 through coolant spade drill body and HSS inserts. Been using this setup for probably the last 6 months or so. Inserts range in size from 1" to 1 3/8". 99% of what I am drilling is D2. Drill half way through the part, bore, flip, and repeat. Cutting parameters... -
J
Help needed with deep pocket. .625 wide x 2.5" deep in 4140 pre hard
Hello all, Let me start off by saying that I don't have much experience with extra long reach tools, so any and all advice is appreciated. I have 18 parts with a .625" wide by 2.125" long by 2.5" deep pocket in them. Just to add some fun, the pocket finishes with a .125 corner radius. No, the... -
J
Fanuc Oi-TC simple question
Some preface: I have some experience with Fanuc controls. We have a mill with a Fanuc Oi Mate MD control and another lathe with a Fanuc Oi-Tx (cant remember what it is exactly of the top of my head). I have ran both of these machines, the mill more than the lathe. I load programs on both...- jspivey
- Thread
- Replies: 7
- Forum: CNC Machining
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J
ID Grinding Titanium Carbide, advice needed.
Hello all, Does anyone here have any experience grinding Titanium carbide? Tomorrow at work, I am going to have to start ID grinding some parts that came from the manufacturer with bores about .02 under size (Miscommunication between my boss and the manufacturer). The bores are approx 1.8" dia...- jspivey
- Thread
- Replies: 7
- Forum: Abrasive Machining
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J
Bronze Spindle Bearing RPM Question
I have a pretty long commute every day and like to use that time to think about interesting things. Recently I’ve been thinking about plain spindle bearings. Say a person wants to build a relatively small, fast spindle but doesn’t want to pay the premium for actual Timken (or other) spindle... -
J
Bridgeport ROMI Powerpath G-code question
Hello all, Let me begin by saying I am by no means an experience programmer. I’m hoping someone with a little more knowledge and experience than I can help me out. I run the machine mentioned in the title most days and I’ve been trying to figure out the G-code for CSS. Of course I know that...- jspivey
- Thread
- Replies: 3
- Forum: CNC Machining
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J
Pratt and Whitney Model C 16x30
Hello all, I've been on the forum for a while but this is my first post in this sub forum, although I am a frequent reader. We recently got a new CNC lathe in the shop where I work, and the boss decided to get rid of this Pratt Model C 16x30. He basically gave it to me. Unfortunately that is...- jspivey
- Thread
- Replies: 11
- Forum: USA Heavy Iron
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J
Tooling for turning titanium carbide
Hello everyone, A little bit of background. At the shop where I am employed, most of the work we do comes from various steel mills. A portion of this work is redressing the profiles of worn guide rolls from the mills. Most of these rolls are 58-60 Rc D2 or D7 steel. For these rolls we use... -
J
Old Parker Spindle Info Needed
Hello Everyone, I was hoping somebody could give me a little information about this Parker Spindle I picked up at an auction today. I wasn't quite sure what it was at the time, but I figured for $5 I wasn't going to get hurt. It appears to have been attached to some sort of poorly made adapter... -
J
Need opinions on a Brown & Sharpe no2 Universal
Hello Everyone, I've been reading the forum for quite a while now but this will be my first post. For reference, I'm located in Southern Illinois (close to Kentucky) and I only have a small home shop. I also don't have a ton of experience under my belt. Two years of machining school, home shop...- jspivey
- Thread
- Replies: 32
- Forum: USA Heavy Iron