| Initial process is basically the same as the process of | | | | surface smoothed with sanding machines and |
| making wood veneer because plywood is made from | | | | production defects cleaned or repaired. |
| a layer a few sheets veneer. Artificial board | | | | Quality Control |
| manufacturing, in this case the multiplex, is a | | | | There is a high grade of plywood, known as a quality |
| continuation of the manufacturing process veneer. | | | | standard A to C. A representing the highest quality |
| Choosing Log | | | | and C is the lowest quality. Quality standards for |
| The first step in the manufacture of artificial board is | | | | plywood, among others: there is no overlap veneer |
| to select the log. Log chosen based on straightness | | | | or peeling, color and fiber of wood and plywood |
| and it diameter round or not. Well logs for plywood | | | | accuracy thickness. |
| manufacture are free of knots. | | | | Briquette Wood |
| Debarking to Veneer Drying | | | | At least 15% of the logs woods you buy become |
| This process is exactly as described in veneer | | | | sawdust and shavings after the production process |
| process. | | | | to finished goods. What is usually done by a furniture |
| Gluing | | | | factory for this waste? For factory that waste |
| Application materials using roller coated systems and | | | | output is not too much can still get a way out by |
| glue adhesive used are urea resins type or | | | | way of selling to collectors and then the powder |
| phenol-Formaldehyde. Type of glue that contains | | | | they use for various household purposes. Some |
| formaldehyde is less well known to health and the | | | | people even need powder to help the process of |
| environment in which chemicals are used to make this | | | | burning bricks or tiles. On a visit to the wood factory |
| glue can cause cancer. That is why some large | | | | last week, I saw a small production of wood |
| consumers today require furniture manufacturers use | | | | briquettes. A few years before had ever seen a |
| artificial board that is free formaldehyde content in a | | | | similar process but in a special place is the size of the |
| way to test regularly. There are several standard | | | | room is used for making wood briquettes. |
| measurement and methods of testing for these | | | | For what are wood briquettes? In winter, European |
| chemicals. Highest grade is E0, which means ZERO | | | | countries and the United States use fireplace to heat |
| emissions. Then there are grade E1, E2 and so on. | | | | the rooms in the house. They could use solid wood, |
| Pressing | | | | both wood left over from processing wood or new |
| Veneer layers are arranged under the press machine | | | | felled forests but the more expensive and |
| with high pressure until the desired thickness. A | | | | considering the policy of these countries about the |
| plywood press machine can load 50 sheets plywood | | | | environment, wood briquettes to be the best |
| at once for single tap 3-4 minutes. There are | | | | alternative and cheaper. Back to the furniture |
| different types of glue, can be done by 2 pressing | | | | factories that make briquettes, this could be a good |
| different methods, hot press and cold press. | | | | idea for most furniture factories in Indonesia to |
| Hot Press: Commonly done to plywood with | | | | collect all the wood waste and process it into |
| softwood raw materials with the temperature | | | | briquettes. |
| reaching 120 C for nearly 10 minutes. Accuracy | | | | Although this waste can be used by manufacturers |
| presses time, high pressure and temperature is very | | | | of artificial board or plywood. The difficulty that I |
| important in this process. | | | | have heard from furniture businessman is still limited |
| Cold Press: Done with a hydraulic press or swivel. | | | | manufacturer of making machine wood briquettes so |
| Type of glue is used usually a resin or | | | | that its price becomes expensive. One of the |
| urea-formaldehyde which has a longer drying process. | | | | retailers for this product is Irish bio fuels. Briquettes |
| Presses performed during 4-24 hours. | | | | or firewood has market potential is high enough |
| Cutting, Sanding | | | | considering the price of fuel today high enough. |
| Plywood sheets that have been dried then cut to fit | | | | Consumers in subtropical countries tend to reduce |
| the standard length and width direction. Plywood | | | | consumption of oil as heating fuel. |