@jpulaski thanks for the reply.

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True, I can adjust it manually after the chamfer is formed, but I do not know the degree angle without having to calculate it out.
Also, my chamfer concerns primarily apply to holes.

What I&#;ve seen (from my very limited experience) in other software is the chamfers can be determined by entering the angle and depth. For a lot a modeling in Shapr it seems the chamfer is just to break an edge or for aesthetics.

A 90/45 degree chamfer is default in Shapr, and common with metric hardware, so in those use cases it&#;s already good to go.
82 is more common with a lot of SAE applications which I find myself using the most.
100-110 is for aviation rivets usually, which I use for some applications.

I&#;m hoping for maybe a simple add-on to the Chamfer/Fillet tool that has the option to change the angle, if even to common presets. And then using the same &#;flip button&#; that is used on the Align tool to set the direction if the chamfer angle is anything other than 45.

My workaround so far is to draw a &#;countersink tool&#; extruded with a draft angle that matches the target angle, plunging it into a hole to the depth needed, and subtracting the &#;countersink&#; from the body. But this is tedious for such a simple function.

I know there is work being done currently in regards to hole and thread functions, and hopefully this functionality is being considered as well.

Chamfering 101

A chamfer is a specific type of edge. Chamfering is the process in developing that edge and what one could argue, a unique yet very common application. A chamfer edge is made up of a flat edge meeting a 45-degree angle.

A chamfer edge improves visual properties, but it is also a practical option for reasons other than appearance. This particular type of edge makes it less susceptible to damage and is sturdier than a filet and bevel edge. Additionally, chamfering is great for creating edges that can join seamlessly. For example, if two workpieces have to be welded together at a specific angle, it is easier for those edges to come together if they are chamfered and thus comply with any required dimensional accuracy.

A chamfer edge has two similar counterparts called bevel and fillet who offer similar functions, as they all produce a smooth edge. Chamfer, bevel, and fillet are often compared but they do not resemble one another much at all. They are alike in that their purpose is to smooth edges that can be extremely sharp and dangerous. Technically, all a deburring process. So, what&#;s the difference between the three? This can be easily articulated through a visual.

The filet edge is a rounded (radiused) edge. And lastly a bevel edge is when the entire edge is flat, with no vertical wall to break it up (like the chamfer edge).

Chamfered holes

Chamfer holes most commonly created so that a certain assembly component can be inserted into the hole. This could be a bushing, a pin, a screw etc. For threaded holes, chamfering will prevent a raised burr from developing which would interfere with the mating part&#;s insertion. If say the part was inserted with a burr present, it could force the burr down and thus damage the thread.

Chamfering best practices

Though chamfering can be done with a hand tool, it would be a primitive choice. Your best bet is to chamfer your edges with a chamfer mill. However, if you&#;re working on a hole you will be using a drill or spot drill  typically with a solid stainless steel or carbide body.

Sometimes it can be tempting to rely on the accuracy of the machine and think you can skip the finishing step, instead of using a setup meant for chamfering. Taking the risk of using tooling that isn&#;t meant for a chamfer job, simply isn&#;t worth the risk. There are many options available when it comes to chamfering mills and spot drills, so do your homework and invest in quality. You want to look for a chamfer tool is that is built to withstand optimized feeds and speeds, and for the tool to be multi-functional. For example, having inserts that work for both back and front chamfering won&#;t require very involved setup changes. Those types of features of a chamfer tool will save you time with sped up cycles and money because you won&#;t deal with broken inserts left and right. Lastly, the quality tools only add to delivering quality and competitive parts to your customers.

Tools to support your chamfering process

Dial indicating chamfer diameter gage

These internal and external chamfer tools will help you determine the top diameter of chamfered holes.

Starrett Reading Internal Chamfer Gauge

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All surfaces are made of hardened tool steel. This internal gage will measure the largest diameter of any chamfer that features an angle within the range of the dial (maximum measurement is 0-1&#;). This tool comes with a padded case for safe keeping.

Starrett  External Chamfer Gauge

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The only difference between this Starrett chamfer gage and the one before, besides this having a measuring range of 1&#; &#; 2&#; is that this chamfer gage is for external chamfer measuring.

Brencor Angle Range Dial Chamfer-Chek

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Another chamfer gage option. This one weighing a bit more than the Starrett at 2 pounds. The same maximum measurement 0-1&#;. According to Amazon&#;s product review, this tool is ranked #2 in the chamfer gages category.

Micrometer

If you are not dealing with a countersink or hole, it is likely you can use a micrometer to meet your measuring needs. For example, measuring rectangular chamfer edge can be done with a depth micrometer. To really dig into those options, you can read our article What You Need to Know About Depth Micrometers. Here&#;s a peek of the micrometers recommended.

Starrett 440Z-6RL Vernier Depth Gauge

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This complete set comes with 12 interchangeable rods that allow you to measure depths up to 12&#;. It comes with a ring-type knurled lock nut, ratchet as well as a speeder for stability and to apply uniform pressure and make quick adjustments for precise measurements.

Mitutoyo 129-149 Vernier Depth Gauge

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This set also comes with 12 interchangeable rods that allow for measurements up to 12&#; in depth. The diameter of the rods (0.157&#;) is slightly bigger than the Starrett model but will still allow you to measure almost any type of recess.

Some practical Machinist members mentioned how their eyes &#;aren&#;t what they used to be.&#; In regard to reading the gauges. If you can relate to that perhaps you&#;ll consider&#;

Headband Magnifier Headset

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This headset features real glass lenses and enough space to be worn over prescription glasses. The headset is made with an adjustable strap and form fitting comfort for extended periods of time.

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