Guide to Top Machining Projects by CNC Milling Process
CNC milling is one of the most famous rapid prototyping methods out there. Despite facing stiff rivalry from 3D printing, most designers still prefer it. This may be owing to the dynamism it offers. At Creatingway, we use CNC milling to machine an array of projects and materials. This article will feature the top machining projects we can do using CNC milling.
CNC Milling Process of Plastic Projects
One common machining project involves working with plastic as a raw material. Plastic is famous as we can use in many instances. For example, we use the plastic ABS material on medical devices and as covers. The covers may be top or bottom ones, on earphones and mobile phones. We can find it on everyday home items as it easy to the machine by CNC milling and cheap.
Calling CNC milling cheap is relatively vague and allows me to expound on the issue. In a bid to keep costs low, our experts often opt to first develop parts separately. We can then easily assemble the parts without much fuss later. In this case, we use glue to stick the parts. Acetone is the ideal solvent that enables thermoplastic material bonding. We start by ensuring the two parts are securely in position. We then proceed to apply the glue on the gap surface. The agent often spreads slowly into the joint surface. Gradually, the joint surface becomes stronger with little risk of later getting weak.
ABS-PV is another common material we use when machining projects by the CNC milling process. It costs slightly higher than ABS but we do not machine it any differently. Its major pro is that after gluing the parts, the joint is not clearly visible. Moreover, we can spray its surface to enhance its beauty.
Automotive Optical Machining Project by CNC Milling
Automotive machining is currently one of the most rapidly developing sectors in the market. Every now and again, updates to cutting and machining tools are emerging. This is in an attempt to maintain top-notch quality when machining car parts via the CNC milling process. One such update is adding diamond machining tech to 5-axis precision milling. It enables the machine to work on optical details and complex shapes.
Using a diamond tool on vehicle optical part machining is on the rise. It allows us to attain clearer parts without having to post-polish it. We usually use the smaller RO.1 diamond tool when milling vital optical parts. Examples include reflectors and light guides.
5-axis linkage CNC milling is another complex method of machining vehicle projects. One common rule is that the CNC milling tool and base must always be turning at the same time. Usually, PMMA is the material we use on most optical clear parts. It easily breaks under the slightest of stress. This risk increases when using 5-axis linkage CNC milling to machine the part. Breakage involves developing cracks.
High Precision Aluminum Machining Projects by CNC Milling Process
Aluminum is one of the most popular metals we use in our CNC milling projects. It features allow us to use it on all sorts of projects. High precision aluminum machining involves sticking to very strict guidelines. There may be stringent surface roughness and hole precision needs. An example of precise tolerance is h6 or even h5. We use it on reaming holes that need careful machining.
In addition, there is a very vital point to note among high precision aluminum machining projects. Our designers take extreme caution when working on cylinder aluminum parts. Of note is their surface finish. There are 3 main dimensions: Rz, Rmax, and Ra. They are specific. There are normally three tolerance ranges for every type of dimension.
The Roughness Average/Mean Roughness is a math average. It refers to the absolute roughness profile ordinates. It is an effective measure of roughness. Moreover, it offers an okay detailing of the differing heights on the surface. Its unit of measure is microinches or micrometers. The mean roughness depth/Rz is the mean value for the single roughness depths. The depths are of consecutive samples. Maximum Roughness Depth/Rmax refers to the single longest roughness depth.
High Hardness Steel Part Machining Projects by CNC Milling Process
One of the most tasking situations CNC machinist must overcome is dealing with steel. This is the case when machining steel parts. Since most tools are also steel, machining steel parts become tricky to accomplish. Either the tool or the part may break during machining. This feature makes the steel more difficult to work on than other metals. Moreover, it results in the shortening of the tools’ life cycle. These cons in CNC milling of steel parts are making us revaluate working on steel machining projects. We mainly use 2 machines when CNC milling steel parts. This lengthens the steel machining project’s lead-time. For any inquiries or quotes regarding machining projects by CNC milling, contact us now.
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