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This article is the newest chapter from our Feeds and Speeds Cookbook. The original is in the Cookbook here.
I got an email from a customer the other day who wondered if there wasn’t some way to make G-Wizard more focused to the needs of manual machinists. He felt that it was overly “CNC specific”,…
Red marks the new buttons and columns to save you time with Fasteners…
Release 1.620, just posted, is a minor feature and bug fix release:
– Renamed “Cap Screw” tab to be “Fasteners” under “Quick Reference”.
– Added 2 new columns to “Fasteners” database that lists the drill size for normal fit and close fit.…
This article is part of our Feeds and Speeds Cookbook. Click here for the full article.
I’m not sure when it got to be such a hot item, but rigid tapping seems like one of those things that comes up early in discussions of machines, controllers, and so forth. “Does it do rigid tapping?” is…
Saw a great tip from an aerospace machinist on one of Hoss’s CNCZone threads:
When you do the finish pass, reduce depth of cut a few thousandths so that only the side of the endmill is cutting. This will improve surface finish and reduce chatter.
Sounds like a geat tip to me!…
Speaking of great tips, that tip to pull up the finish pass was enough to get me to finish my partially completed Cookbook article on Surface Finish Tips. Lots of great stuff there, check it out!
If you haven’t looked over the Feeds and Speeds Cookbook, now is your chance. It’s filled with tons of…
I enjoy watching John Grimsmo’s knifemaking videos, so I was recently catching up to see what I’d missed. I will show a couple of the good ones in a second post, but first I wanted to touch on a case where deflection broke an endmill. John’s video captured it perfectly at about 9:22:
The latest release of G-Wizard, 1.610, has added support for Dovetail Cutters. It’s simply to use, just pick the nearest angle to your dovetail (a lot of angles are available) from the dropdown Geometry Menu:
To calculate feeds and speeds for a Dovetail, use the Geometry menu (circled in red) and select the closest angle…
Speaking of Dan and the tips for minimizing micro-mill breakage, I decided to flesh out an entire chapter on micromachining for our feeds and speeds cookbook. In addition to a slight facelift on the aforementioned micro-cutter breakage information, I went back through my archives and fished out a bunch of additional material. Micro-Turner’s Cubes, anyone?…
Over time certain questions and queries start to stand out, and one I hear a lot about is that machinists are breaking their delicate micro-mills and other tiny cutters too often, and they’d like some pointers on how to avoid it. First thing is first, you need to have proper feeds and speeds for these…
It turns out to be a function of the capabilities of the machine and the machinist. Simply put, the CNC can do all sorts of things a manual Bridgeport never was in the running for. Learn more in my latest article about CNC Cutting Speeds.…
Many machinists exclusively use one strategy–they always climb mill (CNC’ers) or the always conventional mill (Manual machinists). Putting aside the important issue of backlash (Climb milling is dangerous on machines with a lot of backlash), there are some real strategic considerations in choosing a milling strategy. You won’t always want to use just one. Most…
The lowly twist drill is one of the most commonly used tools in the machinist’s arsenal. By all accounts, it also has some of the highest material removal rates of any of the tooling available. As such, it’s worth getting to know them a little better.
Check out our new Twist Drill chapter…
Release 1.600 is a feature release:
– Added a new tool type for lathes: Parting/Grooving. Nothing too special here, just support for a very common operation on lathes. The hints will remind you that you can run OD grooving (not parting) a little bit faster than ID grooving.
– Reworked the adjustments to spindle HP…