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Browsing articles in "Manual"

Mass Production on an Old Turret Lathe

Jul 25, 2012   //   by Bob Warfield   //   Blog, Manual  //  No Comments

I’m fascinated by pre-CNC technology.  A lot of parts got made and they got made to good tolerances when need be.  The older machines are not really a match for CNC competitively, but they’re still fun and interesting to learn a little bit about.  Here is a little Hardinge Turret Lathe being put through its…

Using G-Wizard to Calculate Feeds and Speeds for Fly Cutters and other Manual Machining Conundrums

Jan 15, 2012   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Manual, Software, Techniques  //  2 Comments

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”,…

Ever wonder why CNC is so much more sensitive to cutting speed than manual machining?

Nov 22, 2011   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Manual, Techniques  //  No Comments

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.…

Manual Lathe Survey

Sep 16, 2011   //   by   //   Beginner, Blog, Manual, Techniques  //  No Comments

It’s time for a survey. Let us know what size manual lathe you use most often (swing and distance between centers, plus spindle bore optionally).

What size manual lathe do you use most often?
Click Here for the Survey or to See Results…

Wondering How a Manual Machinist Can Learn to Use CNC Quickly?

Jun 30, 2011   //   by   //   Beginner, Blog, Manual, Software, Techniques  //  No Comments

If you’re a manual machinist, you’ve probably wondered about CNC. Maybe you’ve heard others talking about how CNC is only good for producing lots of copies of the same part, and prototyping is much faster on a manual machine. That just isn’t true! In fact, once you get the hang of it, you can make…

QCTP Boring Bar Holders

Sep 24, 2010   //   by Bob Warfield   //   Blog, CNC Projects, Manual, Techniques  //  No Comments

I’m a firm believer that you can never have too many boring bars. If nothing else, this is an application where rigidity is always a problem as you reach down a hole with that long skinny boring bar. Shorter bars and fatter bars are more rigid, but they don’t work for every case. So you…

Making a Lathe Compound from Scratch

May 30, 2010   //   by Bob Warfield   //   Blog, CNC Projects, Manual, Techniques  //  No Comments

This was an enjoyable video I came across:
I might follow a similar approach to make a gang slide for my Lathemaster 9×30.…

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