China CNC Prototype,CNC Prototype shop china|Bordersun
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HongKong Bordersun Prototype Manufacturing Co., Ltd.
Contact : Jackie Wu
E-mail : Sales@bordersun-
Tel : 0086-755-29404910
Skype : .cid.47c77ccc07ad697d
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CNC machining is one of the processing methods to make the parts by turning, drilling, sawing, milling, grinding and so on. Designers and structural engineers design the part details with strict tolerances, and then select a supplier to produce the engineering samples, art samples and architectural samples. Bordersun has accumulated a wide range of professional knowledge in the field of CNC machining after more than 10 years of experience, so that we can provide you with the best CNC prototype services which includes CNC machining and parts surface treatment (Silk screen/pad printing, powder coating, UV coating, electroplating, oxidation and phosphating)
In China, there are many small-scale prototype manufacturers. Due to the lack of a quality management system and quality inspection equipment, the parts they made in the same batch of prototypes may have color variation or dimension out of specification, some irregular surfaces cannot be measured due to the lack of 3D detection equipment. In addition, a series of dimensions such as flatness, perpendicularity, hole position and coaxiality of the parts cannot be measured to check if they can meet the dimensional tolerance specification. 
The color variation on the low volume production samples of CNC machining can not be avoid if according to personal subjective judgment due to the lack of colorimeter in the supplier. So you have to select a experienced prototype supplier to do the part surface treatments.
For example, if there is a square edge inside of the part, we need to do EDM process to ensure that the machined prototype has no radius on the specific area. Our sales manager has to confirm the drawings with the customer before processing, because it will affect the manufacturing cost of prototype a lot.
CNC machining material
We can make highly precise parts from a wide range of plastics and metals.
Plastic: ABS, PC, POM, PA, PP, PMMA, PEEK, PS, PPS, ABS+PC, TPFE, glass, wood, etc.
Metals: various grades of aluminum, stainless steel, brass, bronze, phosphor bronze, titanium, zinc, etc.
No matter plastic or metal, we insist to use high-quality materials to produce the prototypes to ensure that the performance of the prototype is consistent during production. it will help our customers to improve the design, reduce the risk in future production.
CNC machines
There are more than 10 sets of high-precision CNC machines, and the maximum processing volume can reach 1.8m x 0.8m x 0.6m. We use advanced equipment to provide you with a variety of CNC processing services, producing high-precision parts. For complex structural parts, we use high-speed CNC machining (four-axis, five-axis). Of course, precision machined parts must meet the dimensional tolerance and surface finish requirements. Both of them are the key factors affecting the manufacturing cost of parts. For CNC machining, the basic dimensional tolerance is controlled within + / - 0.1mm.  It is necessary to send us the 2D drawing in PDF or DWG format if the customer wants to have the key dimensions control on the CNC parts, and the marked tolerance is controlled within +/- 0.05mm. 
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