As of November 30, 2010, Changchai has sold more than 1.1 million diesel engines, generator sets and power units in domestic and international markets. The production and sales of single-cylinder machines have achieved breakthroughs, and the number of multi-cylinder machines and unit products has increased significantly year-on-year. Foreign trade exports hit a new high.
Among the various types of products sold, single-cylinder machines sold more than 960,000 units, far exceeding the target of 900,000 units in the year, and sales of multi-cylinder machines have exceeded 140,000 units, which is only one step away from the 2010 annual production and sales target of 150,000 units. It is expected that the annual production and sales target of 150,000 units can also be completed in advance by the end of the year. According to incomplete statistics, the amount of domestic sales plus foreign trade export amount has exceeded the target of annual sales revenue of 2.6 billion yuan.
Since 2010, Changchai's product structure adjustment has achieved good results and has been in a state of prosperous production and sales. The achievements of Changchai’s technological transformation project and the benefits brought by upgrading the equipment are reflected in the sales of the company’s products. In 2010, the production and sales of multi-cylinder machines broke new ground, setting a new record high, and the single-cylinder machines have also achieved rare results in recent years. With regard to foreign trade, it has exported more than 100,000 diesel engines of various types and has a broad prospect for development.
In the silicone industry, to meet the user experience of the majority of consumers, multi-color products have always been the best-selling products, the process is used in silicon materials bonding and plastic bonding.
1. Soft and hard plastic two-color design
The two materials must have a certain temperature difference in the melting point. Generally, it is recommended to reach 60°. It is recommended to be at least 30°. The melting temperature of the first shot material is high. Generally, the first shot is PC or PC/ABS, and the second shot is TPU or TPE, PC thickness is 0.6-0.7mm, soft rubber part thickness is required to be 0.4mm or more.
Try to widen the contact area, make grooves to increase the adhesion, or use the core for the first shot, and the second part of the material is injected into the first shot. The surface of the first shot is as rough as possible.
2. Material compatibility
Multi-color injection molded mating materials must meet two basic compatibility conditions. They are compatible with the adhesive compatibility and processing.
3. Transparent and non-transparent two-shot design
(1) Double shot design of small lenses
The first shot is non-transparent, and the second shot is made of a lens. The first shot uses a PC with a high melting point and the second shot uses a PMMA.
(2) Transparent and non-transparent bijective design for decoration
The first shot is a non-transparent material, the second shot is a transparent material, and the non-transparent material is generally a high temperature of the PC material of SABIC, and the second shot transparent material is PMMA or PC. The PC needs to be sprayed with UV to protect it. PMMA can choose uv or fortification. If there are characters on the surface, you must choose UV
In the silicon bonding area, several silicon materials will be used to achieve different color silicon, different rubber components, so the multi_k color process is commonly used and is quite popular.
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