Common Failure Analysis of Laminating Hot Press
Time: 2023-06-27
The common failure analysis of veneer heat press machine The veneer heat press machine is used to hot press bonding furniture panels, building partitions, wooden doors and in a variety of man-made boards: such as plywood, blockboard, medium fiberboard, particle board surface pressure paste, and so on. Veneer heat press in use will encounter some problems, people will be caught off guard, today to discuss the veneer heat press common failures.
1. thin wood veneer, the use of veneer heat press, appropriate?
The veneer of thin wood can use the veneer heat press, and it is also very suitable. However, in the process of veneering, there are some precautions, which are mainly:
(1) The slab of thin wood, if there are multiple layers, then, it should be in the veneering hot press for its, in addition, its pressurization speed, should not be too fast, otherwise, it can not let the thin wood for stretching. However, the time from pressurization to closure should not exceed 2 minutes, so as to avoid problems such as early curing of the glue layer in the thin wood. And for each laminate, the thickness of its slab, can not exceed 2 or 3 millimeters.
(2) If the thickness of the glue in the thin wood is 0.2 to 0.3 millimeters, then, in order to avoid cracks after it has been hot pressed by the veneer hot press, you can spray water or apply a layer of formaldehyde solution, with a concentration of 5%-10%, to the surface of the thin wood before it is hot pressed by the hot press. And, the periphery of the thin wood, especially pay attention to, because, this part, easy to have problems.
2. On the veneer heat press, if the cylinder can't be lifted after it is lowered, what is the reason?
In the veneer heat press, if the above problem occurs, then, there are several reasons, need to check one by one. First, check the solenoid valve, whether it is energized. Secondly, to see if there is any jamming problem in the solenoid valve. If it is not a solenoid valve problem, then look at the oil circuit of the hot press, whether there is a problem. If there is, should be dealt with in time to solve, so that can come to a complete solution to the problem.
With the reduction of wood, especially precious wood resources, furniture more and more use of thin wood or stickers and other pressure paste process, as the pressure paste process important equipment veneer hot press in furniture manufacturing is often used for veneer and pressing molding parts, its production capacity and technical performance constraints on the enterprise's production scale and product quality advantages and disadvantages. In the purchase of veneer hot press should be careful.
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Address: Lunjiao International Woodworking Machinery Mall, Shunde District, Foshan City, Guangdong Province, China
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