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Shoulder Screws — Discover 3 Ways to use Shoulder Screws in Weld Fixture Design

How have you used shoulder screws in machine design? I have thought of 3 ways off the top of my head for how to use shoulders screws in weld fixture design. Orient, Pivot and Slide. The shoulder screw is such a neat tool. The shaft is like a dowel with a smooth surface and tight tolerancing....

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Screw it! Discover When to Use Fine Threads in Machine Design.

Discover when to use extra-fine threaded screws in machine design. Those in the field, designing machines every day, share their expertise on this topic. "I've used UNEF threads in situations where vibration is occuring..."

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Screw It! Fascinating Fasteners in Machine Design – Threads

**** Let’s talk about fasteners because they are big part of machine design. If you are new to drafting and machine design, you need to become very familiar with screws.   You will use them all the time and it will pay off to understand some things about them. You wouldn’t think something as simple as a screw could have so much information to remember about it. This is the first in a series on screws in machine design.  I am going to...

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To Drive or Not To Drive Holes in Machine Design

When do YOU Drive or Not Drive Holes in Machine Design?  When designing a fixture it is very helpful to drive the hole in part B by using the axis of a hole in part A that is fastened to part B.  And when is “Un-driving” that hole a good idea?           When should holes be “un-driven”? There are two times that I can think of right off the bat where a driven hole should be un-driven.  I mean...

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The Diamond Pin, The Shoulder Screw, and The Bushing-Weld Fixture Design Lesson

Now that we have a Diamond Pin that is only touching the part on the top and the bottom of the pin, we need to make the contact points of the pin remain in the same up and down orientation. To say it differently, we have to make sure the diamond pin doesn’t rotate.  We can do this with a flat cut on the pin and a shoulder screw mounted next to the cut.  Let’s take a look at the video…   Thanks for joining me as we...

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Jig or Weld Fixture Design — Holes 101

Construction holes are used to help locate an angled surface. Join Susan for another lesson on Weld Fixture Design for beginners.

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