I would like the ability to tap on a given hole, select the threads I would use such as m6 or 1/4-20 and have threads generated.

Machining pronunciation

Thanks for sharing your use case, sounds like a very exiting project. The needs you mentioned there are something that we intend to cater for when developing the feature.

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What is machining in Engineering

Sawing uses cut-off machines and is done to create shorter lengths from bars, extruded shapes, etc. Vertical and horizontal band saws are standard, which use continuous loops of toothed bands to chisel away at the material. The band’s speed varies depending on what metal material is being sawed, with certain high-temperature alloys requiring a slow 30 fpm. Softer materials, such as aluminum, can be machined at the speed of 1000 fpm or more. Other cut-off machines include power hack, abrasive wheel, and circular saws.

Grinding is a machining method that removes small amounts of material from both flat surfaces and cylindrical shapes. Surface grinders reciprocate the work on a table while feeding it into the grinding wheel. The depth to which the wheel cuts usually falls between 0.00025 and 0.001 in.Â

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Machining examples

We should be able to easily create standard threaded parts (e.g. cut a hole through a solid, and say you want it to me an M4 thread, or extrude a circle and make it into an M4 bolt).

I really think that something like a thread tool is a very basic and important feature for a CAD software. Especially for a CAD software that claims to be efficient. At the moment the only way to do this is to construct threads. Which can take a lot of time and nerves. Also, threads cannot be properly represented in the drawing, which is a fundamental NO-GO for production drawings.

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The applications of turning are, among others, baseball bats, camshafts, bowls, crankshafts, cue sticks, signboards, musical instruments, and table and chair legs. If you'd like to get a turning quote with Xometry, you can do so by visiting our CNC turning service page today.

Do you have a project that you want to machine, with Xometry or even on your own? This article looks at nine of the most common machining processes, including turning, drilling, milling, grinding, planning, sawing, broaching, electrical discharge machining, and electro chemical machining to help you make an informed choice. Xometry is a global leader in machining and can machine your project using dozens of material and finish combinations.

The applications of planning include linear-toolpath ones, such as generating accurate flat surfaces and cutting slots, such as keyways.

Turning is a machining method that uses a lathe to rotate the metal while a cutting tool moves linearly to remove metal along the diameter, creating a cylindrical shape. The cutting tool can be angled differently to create different shapes. Turning can be done manually, with a traditional lathe, which frequently requires continuous supervision by the operator, or by an automated lathe that does not. Today the most common type of such automation is computer numerical control, called CNC.Â

Machining definition in manufacturing

Planing is used to machine large flat surfaces, particularly ones that will be finished through a scraping process, such as machine tool ways. To achieve economical planning, small parts are ganged together in a fixture.

Ideally something like the FreeCAD fasteners workbench implementation that automatically applies a slight adjustment to make holes slightly bigger and rods slightly smaller so they work nicely when 3D printed.

Manufacturers use EDM for an extensive range of applications - you can use Xometry's EDM services for whatever projects you have. Because the process can cut tiny pieces, it is often an ideal choice for producing small, highly detailed items that would typically be too delicate for other types of machining. Additionally, electric discharge machining is cost-effective for low-quantity projects and can be beneficial in prototype manufacturing, even if the actual project is carried out by different means.

Ground surfaces of 200-500 min. rms are usually considered acceptable for many applications and are a starting point for further finishing operations, including lapping, honing, and superfinishing. Double disc grinding is another machine process that lets parts pass one or more times between two counter-rotating grinding wheels.

Drilling is a machining process that uses multi-point drill bits to produce cylindrical holes in the workpiece. In drilling, the machine feeds the rotating drill bit perpendicularly to the plane of the workpiece’s surface, making vertically-aligned holes with diameters equal to the drill bit employed for the drilling operation. However, specialized machine configurations and workholding devices can also perform angular drilling operations.Â

+1 for this feature. I like everything about shapr3d, and the ability to draw threads will allow to make it my go-to CAD software.

Milling applications include making various gears, producing slots or grooves in workpieces, machining flat surfaces and irregular surfaces, and machining complex shapes. You can learn more about Xometry's milling services on our milling services page.

Types of machining process pdf

Currently the only way to create threads would be to import a thread negative and use the subtract tool, or even more cumbersome, to use the helix tool which is an unnecessary complication to something that should be as simple as adding threads to a hole in a body. I would like the ability to tap on a given hole, select the threads I would use such as m6 or 1/4-20 and have threads generated.

I’m also in need of threading feature. Currently, I’m designing lightsabers parts for production, and ideally I need to be able to mark on any cylindrical part where is thread and this information to be available in 2D documentation because right now I can’t even mark that part X has thread M30x0.75. I’m seriously thinking about going back to Inventor.

Common applications we see with Xometry's CNC drilling service include construction, medical equipment, transportation, and electronic equipment.

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Turning uses either lathes or turning machines. The types of lathes available include turret lathes, engine lathes, and special-purpose lathes. Turning produces rotational, typically axis-symmetric parts with many features, such as holes, grooves, threads, tapers, diameter steps, and even contoured surfaces. Parts fabricated entirely through turning often include components used in limited quantities, perhaps for prototypes, such as custom-designed shafts and fasteners.

Electrical discharge machining, or EDM for short, uses electric arcing discharges to create micro-craters that rapidly result in complete cuts. EDM, also known as spark machining, is used in applications requiring complex geometrical shapes in hard materials and at close tolerances. However, it needs the base material to be electrically conductive, which limits its use to ferrous alloys.

+1 as well, having a simple way to generate threads (maybe free form generator and from DIN/ISO selection) for 3d printed part that should fit together or threads for metal screws/metal inserts would be hugely appreciated!

Drilling uses rotating drill bits to produce the cylindrical holes in the workpiece. The drill bit’s design allows the waste metal—i.e., chips—to fall away from the workpiece. There are several types of drill bits, each of which is used for a specific application. The types of drill bits include spotting drills (for producing shallow or pilot holes), peck drills (for reducing the number of chips on the workpiece), screw machine drills (for creating holes without a pilot hole), and chucking reamers (for broadening already-made holes).

a hole or passage made by a drill; usually made for exploratory purposes.

The CNC milling process also utilizes CNC-enabled milling machinery, referred to as mill machines or mills, which can be horizontally or vertically oriented. Basic mills can have three-axis movements, with more advanced models accommodating additional axes. The types of mills available include hand, plain, universal, and omniversal milling machines. Some of the most common types of milling machines include knee-type, ram-type, bed-type (or manufacturing-type), and planer-type.

Threads are on the radar of the team I’m working with. However, priorities sometimes can change and currently we are focusing on 2D Drawings items solely, so this is the reason they did not arrive yet. That said, after few bigger 2D Drawing items Threads and Holes will be our focus, which makes the current ETA to be in the Autumn.

Milling is a machining method that uses rotating multi-point cutting tools to remove material from the workpiece. In CNC milling, the CNC machine typically feeds the workpiece to the cutting tool in the same direction as the cutting tool’s rotation. In contrast, in manual milling, the machine feeds the workpiece in the opposite direction to the cutting tool’s rotation.Â

Xometry provides a wide range of manufacturing capabilities including CNC machining (our supplier network can do all of the techniques described above), 3D printing, injection molding, laser cutting, and sheet metal fabrication. Get your instant quote today.

Machining process

Cylindrical grinders mount the workpiece on centers and rotate it while simultaneously applying the periphery of a spinning abrasive wheel to it. Centerless grinding produces small parts in high volumes where the ground surface has no relation to any other surface except as a whole.

For comparison in Inventor, there is only possibility to mark threads on parts without modelling feature. What is important, Inventor will help you pick the best thread for your pipe dimensions. I struggled a bit with this in Shapr because I choose my lightsabers to have OD=32 mm and ID=27 mm, which forced me to use the mentioned M30x0.75. I needed to make all wall thickness calculations in Excel to figure this out. If Shapr could help also pick threads, that would be great!

CNC machining

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Machining process steps

Milling uses rotating multi-point cutting tools to shape the workpiece. Milling tools are either horizontally or vertically oriented, including end mills, helical mills, and chamfer mills.

Push broaching is often done using vertical press-type machines. Pull broaching is often done with vertical or horizontal machines that, in many instances, are powered hydraulically. Cutting speeds range from 5 fpm for high-strength metals to as many as 50 fpm for softer metals. The applications of broaching include square holes, keyways, spline holes, etc.

Tin coated carbide grade with good toughness and wear resistance. Good for threading and drilling (both peripheral and central inserts) on low carbon of steels.

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ECM can cut small or odd-shaped angles, cavities, or intricate contours, in hard and exotic metals, such as titanium aluminides, high nickel, cobalt, and rhenium alloys. In addition, it is a cold machining process that doesn’t put thermal stresses on the workpiece.

Its now 2023 and this feature still isn’t there. I’m sure a lot more people would benefit and want this feature, they are just not on the forums. Pulling in from mcmasster is one thing but creating the reverse thread is impossible. WE NEED THIS FEATURE. A solid body cad program can’t exist without this. IMHO this should have been waaaay above “folders” in the feature design list. Is there any headway on this?

Broaching is a machining process that uses a broach consisting of many teeth arranged sequentially almost like a file but with each successive tooth slightly larger than each previous tooth. The broach takes a series of progressively deeper cuts when pulled or pushed through a prepared leader hole (or past a surface).Â

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I am relatively new to the 3d modeling space so not sure what the difference is. I like the idea proposed by one of the other contributors- pick a cylinder inside or out, then pick a thread style. Then click another cylinder and place reverse thread. For me the function of this is not to demonstrate a concept but to make functional 3d printed parts.

Electro chemical machining is a reverse electroplating process that makes burr-free holes with high surface finishes. An electrochemical process removes material. It is typically used for mass production and for working with extremely hard materials or materials that are difficult to machine. The base material does need to be electrically conductive.Â