Over molding ABS plastic parts, card reader plastic shell mold

Over molding ABS plastic parts, card reader plastic shell mold

Service Details:

  • Brand:Kayou
  • Serial Number: M-0190
  • Country of Origin:Shenzhen, China
  • Certificate:ISO9001

Payment & Shipping Terms:

  • Price Quote:Negotiable
  • Minimum Order: 1
  • Average Delivery Time:25 days
  • Payment Method:T/T
  • Package Details:Wooden Case
  • Ability to Supply:5 Set/per month
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Over molding ABS plastic parts, card reader plastic shell mold

Description

Over molding ABS plastic parts, card reader plastic shell mold

Development Trends of Hot Runner Technology

The advantage of hot runner system is to save raw materials and reduce product cost, which is the most remarkable feature of hot runner die. A large number of material shafts are produced in the ordinary pouring system. In the production of small products, the weight of condensate in the pouring system may exceed the weight of products. Because the plastic is always in the melting state in the hot runner mold, the products do not need to trim the gate, and are basically non-waste processing, so a large number of raw materials can be saved. Because there is no need for waste recovery, selection, crushing, dyeing and other processes, it saves labor, time, energy and consumption. The quality of the injection material can be improved remarkably because it is no longer mixed with the repeatedly processed gate material. At the same time, because the plastics in the pouring system keep melting and the pressure loss is small when flowing, it is easy to realize the low-pressure injection of multi-gate, multi-cavity mould and large-scale products. Hot gate is conducive to pressure transfer. To a certain extent, it can overcome the defects of plastic parts such as depression, shrinkage and deformation caused by insufficient feeding. It is suitable for a wide range of resins and easy to set forming conditions.

Due to the improvement and development of hot runner temperature control system technology, hot runner can be used not only for polyethylene and polypropylene with wide melting temperature, but also for processing thermosensitive plastics with narrow temperature range, such as polyvinyl chloride and polyformaldehyde (POM). For polyamide (PA), which is prone to salivation, hot runner moulding can also be realized by choosing valve type hot nozzle. In addition, simplification of operation and shortening of forming cycle are also important characteristics of hot runner die. Compared with the common runner, the opening and closing die stroke is shortened, not only the demoulding and forming cycle of the parts is shortened, but also it is conducive to the realization of automated production. According to statistics, compared with the ordinary runner, the forming cycle of the hot runner can generally be shortened by 30%.

Development Direction of Hot Runner System

At present, there are some defects in the hot runner system, such as complex die structure, easily damaged heater components, high manufacturing costs, the need for more precise temperature control devices, the need for clean and impurities-free moulding resin, the difficulty of resin replacement and color change, and the complexity of maintenance, etc., but these defects are gradually being overcome. At present, the main development trends of hot runner dies at home and abroad can be summarized as follows.

Injection moulding of plastic products includes a production tool for parts and components of plastic industrial products. From airplanes and cars to teacups and nails, almost all plastic industrial products must be molded. The high precision, high consistency and high productivity of manufacturing parts with dies are incomparable with any other processing methods.

 

 

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Over molding ABS plastic parts, card reader plastic shell mold

 

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FAX :
86-7552-3156569
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Factory Address :
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