CNC, or computer numerical control machining, is a widely used manufacturing process that uses automated, high-speed cutting tools to remove material from a metal or plastic workpiece until the desired geometry is achieved. Standard CNC machines include 3-axis, 4-axis, and 5-axis milling machines, lathes, and routers. Machines may vary in how CNC parts are cut—the workpiece may remain in place while the tool moves, the tool may remain in place while the workpiece is rotated and moved, or both the cutting tool and workpiece may move together
When a machinists receive the CAD (computer-aided design) model which is also called 3D file, they will start from programing tool paths based on the 3D file. A skilled machinist knows how to optimize the tool paths to lower CNC machining cost as well as to achieve tight tolerance. CNC machines can cut almost any material such as metal alloys, plastics, wood, stones, ceramics and more. Making custom machined parts needed for nearly every industry, including automotive, robotics, medical, aerospace, electronics and industrial. 3ERP provides CNC machining services and offers custom CNC quotes on various of materials ranging from commodity aluminum, steel, stainless steel, ABS, acetal to advanced titanium, Inconel, and engineered plastics like Teflon, PPS, PEI and PEEK.
Our CNC machines operate with precision tolerances that meet industry standards, ensuring that every part is consistently accurate and fits perfectly with other components.
| Description | |
|---|---|
| General Tolerances | Metals : ISO 2768-m Plastics : ISO 2768-c |
| Precision Tolerances | Yongen can manufacture and inspect parts with strict tolerances according to your drawing specifications and GD&T annotations, including tolerances tighter than +/- 0.001 inches. |
| Min Wall Thickness | 0.5mm |
| Min End Mill Size | 0.5mm |
| Min Drill Size | 1mm |
| Maximum Part Size | CNC Milling: 4000×1500×600 mm CNC Turning: 200×500 mm |
| Minimum Part Size | CNC Milling: 5×5 ×5 mm CNC Turning: 2×2 mm |
| Production Volume | Prototoyping: 1-100 pcs Low volume: 101-10,000 pcs High volume: Above 10,001 pcs |
| Lead Time | 5 bussiness days for most projects. Delivery of simple parts can be as fast as 1 day. |
Optimize your designs for manufacturability with our helpful guidelines. Our experts provide feedback on your custom machined part for the best results in CNC machining.
| Description | |
|---|---|
| Radii | In CNC machining, sharp internal corners on a workpiece will naturally form rounded corners (radii). The depth must not exceed 12 times the diameter of the drill. For end mills, the depth must not exceed 10 times the diameter of the tool. |
| Threads and Tapped Holes | Diameter Φ 1.5-5 mm, depth: 3 times the diameter. Diameter Φ 5 mm or larger, depth: 4-6 times the diameter. Yongen can produce threads of any specification and size as required by the customer. |
| Undercuts | Square profiles, full radius, dovetail profiles. |
| Text | CNC Milling: Minimum width of 0.5 mm and depth of 0.1 mm. CNC Turning: RapidDirect can use laser marking to create standard text for CNC turned parts. Yongen can create standard text via CNC engraving or laser engraving as per customer requirements. |
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Hello，
I came across your company's machining information in Google and was interested in it.
I would like to ask you for the production of two components:
There are tno rollers dhaneter hmny with a kmrled suface n the miode. It is inportant that the kmwrls ot the rolers do not toupn each othar wmhan
the outer tlanks rum against eaclother. The distance between the two knurled surfaces should be about 0.1 mm.
The kmurled surface should not be too fine but not too coarse either. Do you have any examples?One roller has a pin (diametex 7.95m) and an
internal thread i8 (depth 20mn). The other roller has a through hole with a diameter of 8.05mmThe material is stainless steel, it should be suitable
for food.
May I ask you how much it would cost with shipping and when you could deliver it to Switzerland (Europe)?
For now it's just these two pieces, but can you also tell me how much it would cost if I order 2, 5, or 10 of each piece?
Thank your for offer with and without transport if possible.
Best Regards
They are looking good.
Thanks!
3D printed both plastic and aluminium (metal) parts, working with Nancy Li who was very professional andkept me updated with progress and quality. Tapped threads were added to some of the 3D printed parts (after printing), which worked out very well. Everything was very well packaged and the overall production time was quite fast. 3D printing of both metal and plastic was quite accurate. 3D printing metal does have some slight warping/deforming issues depending on the shape, but Nancy checked that with me for one of my parts which worked out Ok. Small 3mm holes were a bit smaller than expected, but easily drilled out onceI recieved them - possibly a tolerance issue with 3D printing. Overall extremely happy with the quality and process.Would definitely work with this company aqain.
Hello，
I have received the frame.
Its quality is perfect! Thank you.
I modified the drawing and want to order another sample.
I need to make some text on the visible side of the frame. What kind of methods of
rendereng/engraving of the text could you suggest?
Couldyouprovidemewithsomephotosofthedifferentkindsoftextonthepartsas
an idea examples?
Hi Sylvia，
We first try to get a good price in the Netherlands.
The best way seems to order the most parts via 247 steel , we are stillooking for a welder !
I let you know later this week.
NB thanks for the other aluminium products; they look great and fit well together !
With best regards.
Hi Mike，
Give your QC my thanks, great catch!
I have updated the drawing to match the 3D CAD.
The parts you made should be good to go.
Best,
Ricky
Hi, Melody
I have received your offer and the price is acceptable after our group discussion.
However, due to our first cooperation, l stll decide to place a sample order in your company first, when we get the sample to confirm thecorrectness,we can consider the bulk order.
One more thing, please give me some pictures of the part during the production process so that l wiluse to add to the product productioninformation, thanks!
Best wishes!
