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Browsing articles in "Techniques"

Video: Runout — The #1 Tool Life Issue for Micromachining

Apr 18, 2017   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manufacturing, Products, Techniques  //  No Comments
micromachining runout

Check out the latest video in my monthly “CNC Chef” series for Cutting Tool Engineering Magazine:

In this video I talk about runout in depth and it’s impact on tool life when micromachining.  You’ll learn about:

What is the definition of Micromachining?
What are the applications of Micromachining?
How the physics of cutting change at…

Improve CNC Machine Performance With a Z-Axis Counterbalance

Apr 17, 2017   //   by Bob Warfield   //   Blog, CNC Projects, DIY CNC, Techniques  //  2 Comments
hurco z-axis counterbalance

Have you ever considered a Z-Axis counterbalance for your CNC machine?
Most commercial VMC’s use one.  Here’s a Hurco VM1:

Twin roller changes connect the Hurco VM1’s Z-Axis counterbalance…
Or, here’s a schematic from the DIY Haas site showing how Haas uses an air-over-oil system as a counterbalance:

Air-over-oil hydraulic Z-axis counterbalance on a Haas…

Big Guide: 17 Tips for Minimizing Breakage When Micromachining and More

Apr 10, 2017   //   by Bob Warfield   //   Blog, FeedsSpeeds, Manufacturing, Techniques  //  3 Comments
micromachining

Here at CNCCookbook, we do extremely in-depth research on our articles.  We want to be sure that when we publish a guide to something, we’ve done as much of the work for you as possible.  We’re pretty good at it, or we wouldn’t see 4.5 million CNC’ers visiting our site every year–roughly the same as…

Handy Tool: Expanding Mandrels for Turning

Apr 7, 2017   //   by Bob Warfield   //   Beginner, Blog, Manual, Products, Techniques  //  2 Comments

We have a great page that summarizes workholding solutions for turning and lathes.   One of the best things about it is a nifty table right at the top that lets you compare and contrast the different workholding solutions from various perspectives.  The page goes into some depth on each solution and has great information on:…

Combine Modular Fixturing With Simple G-Code For Big Time Savings

Mar 29, 2017   //   by Bob Warfield   //   Beginner, Blog, GCode, Techniques  //  No Comments
modular fixturing machining vises

Modular Fixturing can be a huge time saver when setting up different fixtures you use over and over again. For example, most of us use milling vises frequently, but we alternate them with various kinds of plate fixtures for holding multiple parts. Throw in the desire to set up a 4th Axis every now and…

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  //  10 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…

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