Sale Services, Technical Articles, Downloads

Services
Services Provided by Ducoo Machinery Co., Ltd.: Sale Services, Downloads, Technical Articles. Professional services for customers and industries.
  • Posted: 06/02/2017 05:06:33  Clicks: 60
    Stamping(also known as pressing) is the process of forming metal or nonmetal sheets into different shapes through stamping dies with the pressure of the presses.   The market of the stamping metal part is not very perfect and complete. But the market of small-size stamping parts in some areas of southern Chi...
  • Posted: 07/26/2017 02:07:56  Clicks: 7
    Surface treatment is the surface protection technology which changes the surface of the matrix material’s mechanical, physical and chemical properties so as to improve the product’s property, such as corrosion resistance and wear resistance in the early days. The traditional surface treatment methods i...
  • Posted: 01/24/2017 10:01:38  Clicks: 180
    Anodic oxidation has a wide range of applications in industry. It can be used to prevent products from corrosion, such as abrasion resistant layer, electrical insulation layer, paint bottom layer and bottom layer, etc. Here are some characteristics of anodic oxidation.   1. Prevent corrosion of aluminum prod...
  • Posted: 05/05/2017 11:05:46  Clicks: 130
    What are the factors that affecting the springback of metal stamping parts for autos? The springback of metal stamping parts is a difficult problem for auto stamping parts, and there is no perfect way to resolve the problem at present. So we need to further study the springback problem of stamping parts. What exact...
  • Posted: 01/24/2017 09:01:43  Clicks: 172
    Here are some measures for dealing the waste in stamping process: 1. Raw materials have to match with the specified technology.(Strictly check the specifications and grades of raw materials. If possible, those workpieces, which have high quality requirements,  should be tested with the precise size and surfac...
  • Posted: 08/06/2015 04:08:24  Clicks: 604
    Compared with casting parts and forging parts, stamping parts have thin thickness, light weight and high hardness. For precise die moulds, the precision can reach micron size. Stamping parts have higher accuracy and consistent dimensions. In general, cold stamping parts do not need machining or just only require few ...
  • Posted: 07/09/2015 05:07:47  Clicks: 751
    The followings are the test methods used for stamping parts.   Touching  Use clean gauze to clean up the surface of covering parts. Inspector should put on gloves and touch the surface of stamping parts closely, along with lengthways of stamping parts. The method depends on inspectors’ experienc...
  • Posted: 06/18/2015 10:06:58  Clicks: 698
    The production of stamping parts is a shaping process of plates, strips, pipes and profiles imposed by external forces from press machines and moulds to give rise to plastic deformation or separation so as to achieve stamping parts with required shape and dimension. As with forging, stamping is also plastic processin...
  • Posted: 05/26/2015 10:05:41  Clicks: 649
    Door hinge is a device that allows the flexible turning or pivoting of a door for opening or closing. Because door hinges are often used, choosing good quality door hinges is very important. How to choose such quality door hinges is described below: 1. Checking surface. Check if surfaces of door hinges are sm...
  • Posted: 05/11/2015 04:05:25  Clicks: 746
    The industries utilizing micro system technology are among the world’s fastest-growing industries. Such industries manufacture tiny but high-precision parts which are widely applied in biomedical equipment, optical and micro-electronics (like mobile communication and computer components) industries and so on. T...
  • Posted: 05/06/2015 04:05:49  Clicks: 598
    1. Introduction of stainless steel categories Main components of stainless steels are composed of various high quality metallic elements like Cr, Ni, Mo, Ti, etc. Commonly used stainless steels include chromium stainless steels (Cr≥12%) and Ni-Cr stainless steels (Cr≥18%; Ni≥12%). In terms of metallurgical ...
  • Posted: 07/01/2015 04:07:18  Clicks: 657
    Rockwell hardness tester is mainly used for hardness measurement on stamping parts. For small stamping parts having a complex shape, the surface is too small to be tested. So, small stamping parts cannot be measured by using common desk Rockwell hardness tester.   Stamping parts processing mainly includes bl...
  • Posted: 01/29/2015 01:01:40  Clicks: 646
    The principle of laser welding Laser welding is a kind of high precision welding method, which makes use of high energy density laser beam as a heat source. Laser welding is one of important aspects of laser material processing technology, which is mainly used for welding thin wall materials and welding at low spee...

Contact DUCOO
Tel: +86-592-6224632
Fax: +86-592-6224633
E-mail: sales@metalpartscustom.com