1.General FAQ
You can expect what all of our customers expect: quality parts, timely delivery, and exceptional customer service. We love what we do, and we think it shows!
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We manufacture custom metal and plastic parts from bar or tube stock to the highest standards of quality and precision. We provide CNC turning and milling, sheet metal fabrication as well as injection molding.
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We are involved with almost every industry imaginable. We serve aerospace, energy, medical, dental, automotive and many others.
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Unfortunately, we now only accept wire transfers for payment.
We’ve served our customers throughout world wide in America, Europe, Asia for 5 years. We ship their product via their choice of FedEx, UPS, or DHL.
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Designing parts is outside the scope of Prolean as a contract manufacturer, but we can offer some guidance with Design for Manufacturability (DFM). With DFM, we can suggest ways to optimize your design to lower costs while retaining functionality.
In order to provide a meaningful quote, we only require the following information:
- A fully dimensioned print, drawing, or sketch in either PDF or CAD format.
- All required raw materials.
- Any necessary secondary operations, including heat treating, plating, anodizing or finishing specifications.
- Any applicable customer specifications, such as First Article Inspection, material certification, and required outside process certificates.
- Expected quantity or quantities.
- Any other useful information, such as target pricing or required lead times.
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Every part is unique, so it’s impossible to designate a meaningful “standard delivery lead-time.” However, Prolean team is ready and willing to quickly review your part and provide you an estimate.
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It depends on the complexity of parts, for simple parts, we can deliver your quote as fast as 1 hour, and not more than 12 hours, complex parts such as mold will be completed within 48 hours. we will respond with your quote in 12 hours. The best way to help ensure a quick quote is to provide as many accurate specifics as you can.
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1. Yes, we offer a wide range of surface finishing options, some of them are not listed on the surface finishes page. You could always send us the quote request or contact our engineers even if it is not on the list. And our engineer will get back your quotation as soon as one hour.
2.Dimensions and quantity
No quantity is too small or too large. We make parts in quantities ranging from one piece to over 1 million, Whether proof-of-concept, prototype, or full production, we’re ready to deliver quality parts on a timely schedule.
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The short answer is “it depends.” Things like your needs, part complexity, the type of manufacturing, and many other factors are at play. In general, we can machine parts with minor outside diameters (ODs) as small as 2mm (0.080”) and major ODs as large as 200mm (8”). If you’re looking for help nailing down those factors, our experienced engineers can review your part and provide insight and assistance.
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3.Inspection Document
Yes, we offer FAI and material certification for parts we make. Please let us know your specific QA reporting needs with your RFQ, and we will incorporate it into your quote. Additional charges may apply.
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In addition to standard equipment like optical comparators, plug gages, ring gages, thread gages and optical CMM which allow our Quality Assurance Team to verify First Article and complete in-process inspections more efficiently.
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4.Precision Machining Tolerance
±0.001" or 0.025mm is the standard machining tolerance. However, tool tolerance can deviate from standard tolerance. For example, if the tolerance is ±0.01 mm, the standard tolerance is changed by 0.01 mm.
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Our CNC machines can limit tolerance to ±0.0002 inches. However, if you have a critical product, we can tighten the tolerances up to ±0.025mm or 0.001mm as per the drawing.
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Our fully computer-controlled Bending machines can maintain tight tolerance, check out our standard tolerance chart below.
|
Dimension detail |
Tolerance(+/-) |
|
Edge to edge, single surface |
0.005 inch |
|
Edge to the hole, single surface |
0.005 inch |
|
Hole to hole, single surface |
0.002 inch |
|
Bend to edge/hole, single surface |
0.010 inch |
|
Edge to feature, multiple surface |
0.030 inch |
|
Over formed part, multiple surface |
0.030 inch |
|
Bend angle |
1° |
|
Thickness |
0.5mm-8mm |
|
Part size limit |
4000mm*1000mm |
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Check out our standard tolerance chart below.
|
Dimension detail |
Tolerance(+/-) |
|
Edge to edge, single surface |
0.005 inch |
|
Edge to hole, single surface |
0.005 inch |
|
Hole to hole, single surface |
0.002 inch |
|
Bend to edge/hole, single surface |
0.010 inch |
|
Edge to feature, multiple surface |
0.030 inch |
|
Over formed part, multiple surface |
0.030 inch |
|
Bend angle |
1° |
|
Thickness |
0.5mm-20mm |
|
Part size limit |
6000mm*4000mm |
Please contact us for further information.
5.CNC Machining
Milling, turning, Milling-Turning and swiss-turning are the common types of CNC machining operations. We also provide other CNC Machine processes, you are always free to contact us for further information.
We recommend a minimum thickness of 0.5mm for metal and 1mm for plastic. The value, however, is heavily dependent on the size of the parts to be manufactured. For example, if your parts are much smaller, you may need to increase the minimum thickness limit to prevent warpage, and for large parts, you may need to lower the limit.
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We recommend a minimum thickness of 0.8 mm for metal and 1.5 mm for plastic. The value, however, is heavily dependent on the size of the parts to be manufactured. For instance, you might need to lower the minimum thickness limit for large parts and raise it for much more minor parts to prevent warpage.
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EDM wire machines can produce various shapes, including logos, stamping dies, minor hole drilling, and blanking punches. Internal fillets and corners.
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The primary difference between wire cut and EDM is that wire cut uses brass or copper wire as the electrode, whereas wire structure is not used in EDM. Compared to functionality, the wire-cut technique can produce smaller angles and more complicated patterns.
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6.Sheet Metal
With the help of our Advanced CNC bending machine, We can bend sheet metal from just a few millimeters to several meters long. The largest bending part size can reach 6000*4000mm.
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We can cut parts as high as 6000*4000 mm. However, it can change depending on the type of Material, thickness, and required parts criteria.
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We have various material options for Water- jet cutting to contribute to your project: Nylon, Carbon Steel, Stainless Steel, Aluminum and its alloys, Nickel, Silver, Copper, Brass, Titanium, and more.
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While water-jet cutting can be used to cut various materials, including wood, porcelain, and more rigid materials like tempered steel, laser cutting is only appropriate for a small range of materials. Another significant advantage is that Lase cutting approach has the potential for thermal damage at the cutting age. Water jet eliminates the risk because it does not use heat to cut the material, and the working temperature can only reach up to 40 to 60 0 C.
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