Plastic Molding Manufacturing

Plastic Molding Manufacturing

Products Souring is prolix & painful, it will take weeks & months without guarantee of success, don’t waste your time & effort in the Trade Directories, go straight to the right source: Plastic molding Manufacturing company in China. is your best choice, we can guarantee your satisfaction.

Plastic Injection molding China Limited. was set up in 1980 & has developed to become a renown manufacturer an

d exporter in Hong Kong, our factory is located in Shenzhen & Dongguan which has employed over 800 skillful workers & has accumulating more than 20 years proficient experience in manufacturing of Plastic Products, Automobile Sun Shade, Blind, Gift & Household Products, Winter/ Summer Protection, Sunglass Case, Travel Cushion, Steering Wheel Cover, Foldable Laundry, Seat belt Shoulder Pad, Collapsible Play Tent, Back Seat Organizer, Littering Bag.

We have procured the ISO 9001 quality assurance certificate in June 2000, this certificate certify that all our products are finished with the highest quality.

With continuous growth in the market share in recent years, we have implemented a series of expansion plan which includes:
* Setting up of a doubled size new factory in Dongguan total flooring of which exceeds 150,000 square feet.
* Bring in latest technology to ensure our products are innovative, stylish and reliable.
* To establish the R & D Department to explore new products/market such as household plastic ware.

Our R & D department will keep on launching new products and designs from time to time, of course, Customers’ Tailored & Licensed Designs are most welcomed, we are proud to announce that we have maintain the championship in Stitched & Imprinted Products in the last 10 years consecutively.

Apart from background & quality, we truly believe good service & competitive price are equally important in product sales, our marketing team are multi-lingual, highly pofessional & reliable for further information, you are welcomed to contact our Marketing Dept. kindly note that brochure are available upon request, thank you for your attention, we look forward to serving you in the near future.

As a leading provider of enterprise management and plastic moulding production monitoring systems, IQMS is dedicated to providing software that meets the plant management, manufacturing, warehouse, inventory and accounting needs of the Plastics community.

Training Programs
With a full-featured system such as IQWin32, the opportunities are endless. The IQMS training programs will teach you not only program functionality but more importantly how to USE the system and the data to benefit your organization’s production monitoring, plant management and warehouse, inventory and accounting operations.

Training Facilities
To meet the various customer-training requirements, training is provided both on-site, and in-group sessions.

Want to know more information about plastic mold and palstic injection molding you can check our website and know more.

Plastic Injection Molding In China

Plastic Injection Molding In China

Plastic injection molding in China is at a high level of expertise in comparison with other Asian countries. Taiwan also has much better working conditions, environmental regulations and worker relations than most it’s neighbors.
Government policies that have enabled the plastics industry to develop in a free-market manner. This has enabled the plastic injection molding industry to develop to a high technical level. The open market nature has given fair competition the ability to bring in high end jobs and industries.

What are some advantages of China injection molding manufacturers?

  • Decades of industrial growth and stability without destroying the environment
  • Safe and healthy working conditions for the employees. Taiwan has a long history or good human rights relations which reflects in it’s labor laws.
  • For the environment. Industry has cooperated with the government to keep the island clean and relatively unpolluted
  • Costs are generally one-third less than those of the USA. This means you can receive high quality at reduced prices.
  • Thermoplastic injection molds, thermosetting molds, and custom molds of all types have developed to a high level of expertise.
  • No history of human rights abuse

What are some industries China specializes in?

China has an excellent relationship with the US, Europe and Japan because of it’s political and economic system. This has enabled the island country to attract leading aerospace, automotive, electronics, computer, and small appliance companies.
How can you find a reliable plastic injection molding company in China? A good place to begin your search is here One of the top companies in Taiwan for thermoset molding is Longzu Plastic Molding Company They have been in business for over 40 years, which is a lifetime in plastics.

Aluminum Die Castng

Aluminum Die Castng

(1) malleable cast iron is a certain range of chemical composition of white cast iron by annealing the resulting solid graphite graphite cast iron floc group. It has a very high plasticity, it is “malleable” Aluminium Die Casting name, in fact, is not forged, but it can be a good bend, elongation up to 15% strength is also high.

(2) Pressure casting is liquid or semi-liquid metal, filled with high-speed die casting mold cavity, and rapid solidification under pressure molding, casting and get a special casting method is generally applicable to non-ferrous metals. These two processes die casting from the use of the material, size and shape of the product, process methods, products, applications are different

Die casting technology and production

The book was discussed in detail the basic knowledge and production of the die casting technology. The main contents include casting, die casting machine principle, parameters of die casting process and its determining method, die casting pouring system and die casting die structure design, quality control, production of the die casting Aluminum Die Casting and die casting workshop operation management. Also introduced CAD for die casting die and die casting filling process simulation technology and application etc.. This book both basic theory and practical technology of die casting die for die casting industry, the technical staff, production staff and management personnel to read or as training materials, but also can be used as the relevant professional colleges teaching reference books.

Book order



The first chapter of die casting process and die casting overview

1.1 die casting process overview

1.1.1 die-casting process principle

1.1.2 die-casting production department and production process

1.1.3 die-casting process characteristics

1.2 die casting overview

1.2.1 die casting of the classification and technical requirements

1.2.2 die casting process

1.3 die casting technology development

The second chapter die casting machine and its properties and selection

2.1 classification of die casting machines

2.2 die-casting machine ‘s basic mechanism and function

2.3 cold chamber die casting machine and hot chamber die casting machine process characteristics

2.3.1 cold chamber die casting machine process characteristics

2.3.2 hot chamber die casting machine process characteristics

2.4 die casting machine main technical parameters and significance

2.5 the choice of die-casting machine

The 2.5.1 die casting machine type selection

The 2.5.2 die casting machine class selection

2.5.3 die casting machine tonnage determine

2.5.4 die casting machine technical parameter calculation

The 2.5.5 die casting machine energy calculation

2.6 modern advanced function of die casting machine

2.6.1 high speed, efficient and flexible injection system

2.6.2 advanced real-time control system

2.6.3 fault monitoring, remote diagnosis and alarm function

2.6.4 data collection, analysis and processing, production management and statistical analysis

2.6.5 die-casting workshop for network monitoring, communication management and production of automatic scheduling

2.6.6 partial pressure

The 2.6.7 hydraulic system

2.6.8 automatic die casting machine

The third chapter the injection process and die casting process parameters

A 3.1 injection process and injection process curve

3.1.1 injection process

3.1.2 injection process curve

3.1.3 injection process settings

3.2 parameters of die casting process and its determining method

3.2.1 pressure

3.2.2 speed

3.2.3 time

3.2.4 temperature

Chapter fourth design of gating system

4.1 gating system composition, types and design key points

4.1.1 gating system.

4.1.2 gating systems

4.1.3 gating system design content and knowledge requirements

4.1.4 gating system design

The 4.2 gate design

4.2.1 ingate position determination

4.2.2 ingate area calculation

4.2.3 gate thickness, width and length determination

4.2.4 gate and cavity is connected by way of

4.2.5 gate design data

4.2.6 different gating system filling simulation example

4.3 runner design

The basic form of 4.3.1 runner

4.3.2 runner structure

4.3.3 sprue design

4.3.4 fan sprue design

4.3.5 taper runner design

The 4.4 exhaust system

The role of 4.4.1 exhaust system

4.4.2 exhaust system for determining the position of and the main points of the design

4.4.3 exhaust system structure and size

4.5 P-Q2 principle and its application

4.5.1 technology thought and purpose

Based on 4.5.2 theory

4.5.3 die-casting mold flow pressure curve (die casting pressure demand curve)

4.5.4 machine effective pressure line

4.5.5 P-Q2 diagram

Chapter fifth design of die casting die

5.1 die casting mold basic structure and function

5.2 die casting mold design

5.2.1 design basis and steps

5.2.2 design points

5.2.3 design steps and contents

The 5.3 type of identification

5.3.1 parting surface form

5.3.2 choice of parting surface

5.3.3 typing scheme example

5.4 cavity arrangement

The 5.5 mold body structure and parts design

Basic structure of the 5.5.1

5.5.2 insert fixed forms and sizes

The 5.5.3 template size determination

5.5.4 die casting and pressure chamber and plunger and template matching size

5.5.5 guide pillar and the guide sleeve design

5.5.6 molding size determination

5.6 the design of the core-pulling mechanism

5.6.1 core-pulling mechanism classification and composition

5.6.2 core-pulling mechanism working principle and main parameters

The 5.7 push-out mechanism design

5.7.1 ejecting mechanism and drive means.

5.7.2 ejecting mechanism design

Commonly used 5.7.3 top rod form

5.7.4 commonly used by pushing the tube and the push plate form

5.8 die casting technical requirements

5.8.1 die match between the parts fit tolerance

5.8.2 die casting different parts work surface roughness

5.8.3 die-casting mold assembly diagram should be marked on the technical information

5.8.4 die-casting mold shape and installation size

5.8.5 die-casting mold assembly technical requirements

5.9 die materials and heat treatment

5.9.1 die-casting mould forming parts material requirements

5.9.2 die-casting mold material of main parts and heat treatment

5.9.3 abroad and home, die-casting die used steel table

The sixth chapter die-casting mold computer aided design and die casting process simulation

6.1 CAD for die casting die

6.1.1 general CAD software

6.1.2 die-casting die for CAD software

6.1.3 die and process content and application of CAD software

6.2 die casting process simulation

Basic knowledge of 6.2.1 simulation technology

The basic structure and function of the 6.2.2 simulation software

6.2.3 simulation software

6.2.4 simulation software selection

6.2.5 on the simulation software of user requirements

6.3 die casting process simulation example

6.3.1 plunger variable motion simulation

6.3.2 filling mode and oxidation and air entrainment defect

6.3.3 cold septal defect formation

6.3.4 filling speed and the filling state

6.3.5 gating system of flow simulation

6.3.6 gating system design scheme optimization

Other 6.3.7 simulation

6.4 die casting technology on the simulation software requirements

The seventh chapter of die casting alloy and its smelting technology

Composition and characteristics of 7.1 aluminum alloy

7.1.1 casting aluminum alloy

7.1.2 die casting zinc alloy

7.1.3 die casting magnesium alloy

7.1.4 die casting alloy casting process performance comparison

7.2 alloy smelting and melting equipment

7.2.1 alloy melting

7.2.2 aluminum and zinc alloy smelting furnace

7.2.3 magnesium alloy smelting equipment

7.3 aluminum alloy melting point

7.3.1 smelting equipment and tools ready

7.3.2 charge

7.3.3 charging

7.3.4 smelting

7.3.5 degassing and slag removal

7.3.6 melt conveying

7.4 zinc alloy melting point

7.4.1 smelting equipment and tool protection

7.4.2 charge

7.4.3 charging

7.4.4 alloy smelting

7.4.5 waste disposal

7.5 mg alloy melting point

7.5.1 crucible and melting instrument

7.5.2 charge

7.5.3 charging

7.5.4 magnesium alloy ingot preheating

7.5.5 protection gas using

7.5.6 smelting operation

7.5.7 waste material recycling and refining

7.5.8 magnesium alloy smelting operation safety

The eighth chapter die-casting workshop and die casting operation

8.1 die casting workshop

8.1.1 die-casting workshop planning and layout

8.1.2 die-casting workshop organization and management

8.1.3 die-casting workshop environment

8.2 die casting operation

8.2.1 casting operations personnel arrangement

8.2.2 site and equipment ready

8.3 die casting operation

8.3.1 die-casting mold check

8.3.2 die casting installation

8.3.3 cooling water connection

8.3.4 die-casting mold temperature control

8.4 die casting production

8.4.1 die and mold repair

8.4.2 plunger and the pressure chamber installation and maintenance

8.4.3 pressure chamber filled with a degree and thickness of residual material control

8.4.4 die releasing agent and lubricant selection

8.4.5 die casting mold cleaning

8.4.6 casting and injection

8.4.7 die out

8.4.8 die casting mold maintenance and custody

8.4.9 casting work instruction documents

8.4.10 casting operation matters needing attention

8.5 die casting cleaning

8.6 die casting processing

8.6.1 die casting of orthopaedic

8.6.2 die casting aging treatment

8.6.3 die casting mechanical processing

8.6.4 die casting infiltration process

8.6.5 die casting surface treatment

The ninth chapter die casting defects and quality control

9.1 die casting defects and elimination measures

9.1.1 surface defects and eliminating measures

9.1.2 internal defects and elimination measures

9.1.3 shape and size of defects and elimination measures

The 9.1.4 matrix incoherent defects and elimination measures

9.1.5 other defects and elimination measures

9.2 die casting defects elimination strategy

9.3 die casting quality detection method

9.3.1 visual inspection method

9.3.2 metallographic examination

9.3.3 mechanics performance test

9.3.4 chemical composition test

9.3.5 nondestructive inspection

9.3.6 withstand voltage test

9.3.7 corrosion test

9.3.8 dimension inspection method

9.4 die casting acceptance

9.5 die casting quality control

Influence of casting quality factor 9.5.1

9.5.2 quality control work

The 9.5.3 inspection system

9.5.4 quality control point die casting setting and testing factors

9.5.5 quality control procedures

The 9.5.6 quality management system

Go to our official website to know more