APPLICATION
Environmental issues drive the application of hot melt adhesive machines in the mattress industry - Jingtai hot melt adhesive machine
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Release time:
2020-06-28 08:57
The materials used in early mattress bonding were all adhered with white glue. Traditional white or yellow glue may contain benzene, which is a high-risk factor for diseases such as leukemia and cancer. Hot melt adhesive, made from resin, is non-toxic and odorless, meeting international environmental standards. It has been widely applied in various industries, so the production of mattresses closely related to our lives must use hot melt adhesive machines to spray hot melt adhesive for material bonding.
Next, let me explain what a hot melt adhesive machine is, its application principles, and how to select a hot melt adhesive machine:
Hot melt adhesive machines can be divided into gear pump hot melt adhesive machines and piston pump hot melt adhesive machines based on their power principles. The two are distinguished by the source of power for the hot melt adhesive machine.
Piston pump hot melt adhesive machines that use pneumatic pumps for glue supply are usually referred to as 'piston pump hot melt adhesive machines'. Their working principle involves using air pressure to drive the piston pump for glue delivery. Therefore, the stability of this type of hot melt adhesive equipment is largely controlled by stable air pressure. Effective and correct air pressure control is required; fluctuations in air pressure will affect the stability of glue spraying from the hot melt adhesive machine. Additionally, there are requirements for processing precision in the incoming pump; the core technology of the entire machine lies in the processing precision of the 'piston pump'.
Gear pump hot melt adhesive machines that use gear pumps for glue supply are usually referred to as 'gear pump hot melt adhesive machines'. Their working principle involves a motor driving the gear pump to rotate. When the gears of the gear pump rotate in one direction, hot melt adhesive enters the suction grooves. As the gears continue to rotate, hot melt adhesive is drawn in from both sides and expelled; when gears re-engage, it squeezes out the hot melt adhesive from within the grooves through pressure into an outlet pipe for quantitative discharge. As long as the pump shaft rotates, gears will push out hot melt adhesives towards the outlet side; thus high pressure can be achieved at the pump outlet. This is a core component of the entire equipment. The method by which gear pumps deliver glue is suitable for high-viscosity hot melts. As long as the quality of gear pumps is good, they can effectively dissolve high-viscosity CPS value adhesives.
Function configuration of hot melt adhesive machine equipment
1. The required coating effect: For example, dot (round dot), strip (line type), spiral spray (atomized filament), fiber, injection glue, scraping glue (double-sided tape effect)
2. Choose different application principle based on characteristics of hot melt adhesives: The principles usually fall into two categories: one uses pneumatic cold pumps suitable for low-viscosity applications; another uses motor-driven gear pumps suitable for high-viscosity applications or needs synchronized with production lines based on application choices.
3. Product operation process requirements: Manual hot melt glue machine, foot-operated spray glue machine, semi-automatic hot melt glue machine, fully automatic hot melt glue machine.
4. Glue materials and gluing area: The gluing area determines discharge mode; based on its size initially determines whether it will be spraying or dotting or scraping or composite gluing which helps confirm model selection for a hot-melt gluing machine.
5. Glue usage per hour: This metric helps determine capacity size of main unit in a hot-melt gluing machine. Choosing too small capacity affects production efficiency while choosing too large increases procurement costs; main unit capacity is also a key parameter when selecting a hot-melt gluing machine with common capacities being: 5KG, 10KG, 15KG1KG; also customizable according to customer needs.
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