Lubricant companies need to work closely with the automotive and machinery industries
Lubricating oil companies need to work closely with the automotive and machinery industries in order to be targeted and truly provide the lubrication services needed by the market. Lubricating oil companies need to work closely with additives and base oil production companies in order to perform their duties and produce high-tech lubricants. Oil products and lubricant companies need to further cooperate with various social organizations in order to better protect our living environment and jointly promote the civilization and progress of society. Lubricating oil companies also need close cooperation to promote each other and exchange ideas in order to reach consensus, jointly maintain a good market order, promote the healthy development of the industry, and jointly provide first-class lubricant products and perfect lubrication technology for related industries. service. After China's accession to the World Trade Organization and the accelerating process of world economic integration, such inter-industry and intra-industry cooperation has become more important, especially with extensive cooperation on a global scale.
Definition of Blow molding
Blow molding is a common process for production of hollow containers, ranging from commodity products such as soda or water bottles to highly engineered products such as gas tanks and electrical enclosures. The two most common types of blow molding are extrusion blow molding and injection blow molding with many variants related to handling of the parison and molds.
Blow molding processes:
Three main types of blow molding
l Extrusion Blow Molding
u Take melted plastic
u Extrude the parison with compressed air into the mold
u Features two variations: continuous and intermittent
l Blow Molding
u Produce small medica and single-serve bottles
u Large quantities of hollow glass and plastic objects
u Via pin to blow air into mold to inflate and cool the product
u Restriction on the bottle design, only allowing a champagne base to be made for carbonated bottles.
Injection stretch molding
Injection stretch molding is suitable for cylindrical, rectangular, or oval bottles and has two different main methods, notably the single-stage and two-stage processes
With the single-stage method,
the same machine is used to both preform manufacture and bottles blow the object. This method is highly suitable for low volumes and short runs
In the case of the two-stage process,
the plastic is first molded into a [preform" using the Injection Molding process. The [preforms" are then packaged and fed after cooling into a reheat stretch blow molding machine. While a high capital cost and a large floor footprint are necessary, injection stretch molding can produce very high volumes and feature minimal restrictions on bottle design. The bottles can also be a completed item for a third party to blow
Materials: PE, PVC, PC, PP, PS
Applications:
l To produce bottle-shaped, hollow thin-wall molding products and bulky products, such as seasoning, water bottles, cleaning agents, shampoo and other packaging supplies
l And produce trash cans, gasoline cans, and even the capacity of up to a ton of chemical barrels and fishing products transport boxes
Advantages
l Thin wall forming products, materials and cost saving
l Low cost of mold, rich mold materials
l Can produce large, complex shape hollow products
Disadvantages
l Low dimensional accuracy
l Thickness of the forming product wall is difficult to control and easy to have uneven problem
l Product surface is prone to flow marks, rough but not delicate
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