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Browsing articles in "Techniques"

Easy Multiple Spindle Options for G-Wizard

Mar 24, 2017   //   by Bob Warfield   //   Blog, CNC Projects, DIY CNC, FeedsSpeeds, Software, Techniques  //  No Comments
auxilliary high speed spindle

It’s fairly common to find machines that have multiple spindle options available.  I don’t mean that you can specify multiple, options, but that there are actual multiple options delivered with the machine.  A very simple example would be multiple pulley ratios.  More exotic would be sub-spindles, for example a high-speed auxiliary spindle or speeder on…

G-Wizard Bonus: Lifetime Free Features – You Savvy?

Mar 18, 2017   //   by Bob Warfield   //   Beginner, Blog, Cool, FeedsSpeeds, NewFeatures, Products, Software, Techniques  //  No Comments

We do a terrible job advertising it, but most of G-Wizard Calculator is free.  Seriously.  You sign up for the 30-day free trial, and when that ends, even if you don’t purchase, most of the tabs will go right on working for you.  There’s a giant treasure trove of useful calculators, utilities, and reference information…

15 – Tools for Manual Work that CNC’ers Won’t Need

Mar 16, 2017   //   by Bob Warfield   //   Blog, Cool, Manual, Techniques  //  9 Comments
Rotary Table

When I bought my first machine tools, they were a manual lathe and then a manual mill. Took me a while to save up enough cash, and then I came to realize that the old saying that the tooling will cost as much as the machines was also true.
Then, along came CNC, not very…

How Well Do You Know GD&T [Important for Pro CNC’ers!]

Mar 14, 2017   //   by Bob Warfield   //   Beginner, Blog, Manufacturing, Products, Techniques  //  No Comments

A simple GD&T drawing…
If you work from prints that 3rd parties send you to make parts from, chances are you’ve seen some Geometric Dimensioning and Tolerancing (GD&T) symbols on them.  GD&T is the industry standard to communicate size, location, orientation, and form requirements on an engineering drawing.
We offer a free mini-course on just…

[CNC Chef Video] Chip Thinning: Clear and Present Danger if Ignored

Mar 14, 2017   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Software, Techniques  //  No Comments
radial chip thinning formula

Just launched my this month’s video with Cutting Tool Engineering for my “CNC Chef” column (a playful reference to the CNCCookbook).  In the first video, I covered the subject of Tool Rubbing.  It comes as a surprise to some that if you try to slow down a cut too much, it is actually much worse…

[Review] Tosa Tool’s ER Tightening Fixture: Great CNC Shop Tool

Mar 11, 2017   //   by Bob Warfield   //   Blog, Cool, Products, Techniques  //  3 Comments
Tosa Tool TTS Compatible Tool Mount

I’ve  got a fair few products to review in my backlog, so I’m going to try to get these out to you every week or two until I am caught up.  This week, I’ve got Tosa Tool’s (Dan Bye’s excellent company) TTS Compatible Tool Mount.  It’s an ER Collet Chuck Tightening Fixture.  In fact, both…

[Vise Stop Review] Imaginetool’s Way Cool New SideStop

Mar 5, 2017   //   by Bob Warfield   //   Blog, Cool, Manufacturing, Products, Techniques  //  No Comments
ImagineTool SideStop Work Stop Vise Stop

I just got my hands on a new product for review.  It’s the SideStop, a next-generation vise stop (work stop) made by the good folks at ImagineTool:

The SideStop is a next-generation vise work stop…
The SideStop is one of those “Better  Mousetrap” kinds of products.  Better mouse traps are great–we all love to find…

Mommas Don’t Let Your Studs Jack Up Your T-Bolts!

Mar 4, 2017   //   by Bob Warfield   //   Blog, Manual, Techniques  //  10 Comments
Broken T-Slot

With appologies to Waylon Jennings and his iconic, “Mommas, don’t let your babies grow up to be cowboys,” I present this bad day in the shop:

Fixing a broken T-Slot is darned near impossible…
Fixing a broken T-Slot is darned near impossible.  Your best bet is to use it as an excuse to buy a…

G-Wizard’s Tips: Your Expert Mentor and Assistant

Mar 2, 2017   //   by Bob Warfield   //   Blog, FeedsSpeeds, NewFeatures, Software, Techniques  //  No Comments

Personalized service, advice, and mentorship is great.  Having the hotel concierge advise you on the best place to find food you’ll like in a city that’s new to you can really make for a memorable dinner.  Having a good friend who’s been doing CNC for their entire career and is a master can really help…

Shopmade Tool: Accurately Measure Bores With an Indi-Calipers

Feb 28, 2017   //   by Bob Warfield   //   Blog, CNC Projects, DIY CNC, Products, Techniques  //  6 Comments
shopmade dial bore gage

One of the most accurate ways to measure a bore is with a dial bore gage, but these can be really expensive and seldom used tools.  A nice Mitutoyo dial bore gage set is almost $400 as I write this.
I loved this gadget by gbritnell I saw on HMEM to adapt a DTI to…

Manufacturing Marketplaces: Love ‘Em or Hate ‘Em? [CNCCookbook 2017 Survey]

Feb 28, 2017   //   by Bob Warfield   //   Blog, Business, Manufacturing, Techniques  //  No Comments

Author: Frank Kovalchek, powered by Flickr.com. Under the copyright of their owners.
Note:  I am bumping this back to the top of the articles for another week as I’d like to get more participation in the survey (see below).  If you’ve tried one of these services, please tell us about your experiences in the survey.…

When to Use a Spot Drill + 7 Useful Tips and Techniques

Feb 27, 2017   //   by Bob Warfield   //   Beginner, Blog, FeedsSpeeds, Techniques  //  18 Comments
Spot Drill

Machinists are familiar with spot drills–they’re stub length and have little or no flutes.  These little drills are designed to be extremely rigid so that they can precisely spot a hole for a twist drill.  Maximum meat in the shank keeps them on target.  The goal is use the spot drill to make a little…

Breaking News: “CNC Chef” Video Series Launched With Cutting Tool Engineering

Feb 20, 2017   //   by Bob Warfield   //   Blog, Cool, FeedsSpeeds, Software, Techniques  //  7 Comments
CNC Chef

I am excited to announce that I’ll be doing a new monthly video series with Cutting Tool Engineering called the “CNC Chef” (a playful reference to the CNCCookbook).  In our first video, I cover the subject of Tool Rubbing.  It comes as a surprise to some that if you try to slow down a cut…

14 Tips For Parts That Are Too Big For Your CNC Machine

Feb 13, 2017   //   by Bob Warfield   //   Beginner, Blog, CNC Router, Techniques  //  2 Comments
cnc router aluminum cutting

It’s not always practical to have a machine that’s big enough to easily handle the job at hand.  But, with some clever fixturing and the right techniques, it is often possible to machine much larger parts than what your machine seems capable of handling.   Here’s how:
The Basic Idea, When Machining Parts Too Big For…

New: Machine Learning for Cutting Tools and Feeds and Speeds

Feb 7, 2017   //   by Bob Warfield   //   Blog, Cool, FeedsSpeeds, NewFeatures, Software, Techniques  //  2 Comments
Machine Learning Robots

These days, it seems like Machine Learning is being talked about everywhere.  Self-driving cars, machines beating humans at every game, Google search results change based on machine learning–artificial intelligence has become much more common that it was in the past.
There’s a reason for that: Machine Learning allows software to learn new tricks without requiring…

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