Process method for expanding, softening and bending hub plate of wooden festooned vehicle
A process method and bending technology, applied in the direction of wood bending, wooden frame wheel manufacturing, wheels, etc., can solve the problems of inability to meet the requirements of floats, limit the scope and function of wooden floats, and achieve easy decorative processing and process conditions. , Good auxiliary heat resistance effect
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Embodiment 1
[0034]First, softening and soaking treatment: Quercus vulgaris board - choose Quercus vulgaris from Dayinshan, Fengyang County, 13 years old, 6.8m high, 8.2cm diameter at breast height, take 60mm×20mm×300mm board square material, and its compression resistance along the grain Strength 511kg / cm 2 , bending strength 1123kg / cm 2 , the air-dry density is 0.842, soak the wood board in the expansion softening solution, the expansion softening solution is composed of three components: octadecadecahydrate aluminum sulfate, nonahydrate manganese tetraborate, and boric acid, and the mass ratio of eighteen hydrate aluminum sulfate to borax is 38:47 : 23 mixed evenly, the mass fraction of the solution is 20%, and then the pH of the solution is adjusted to 3 with mass fraction 18% phosphoric acid, to obtain that, after soaking for 220h, dry at 35°C until the moisture content is 30%; secondly, vacuum bake Expansion: Put the planks into a vacuum oven at 30°C, power on and bake for puffing, ...
Embodiment 2
[0036] First, softening and soaking treatment: maple poplar board, choose Fuyang Funan Changfeng Shuangdun Maple Poplar, 10 years old, 15m high, 45cm sapwood, take 60mm×20mm×300mm square material, and its compressive strength along the grain is 374kg / cm 2 , bending strength 792kg / cm 2 , air-dry density 0.467%, maple poplar wood material is light and soft, easy to process. In the past, it was mainly used as furniture and agricultural tools, such as hoe handles, etc. Another main purpose is to make matches. Maple poplar has dense branches and leaves and a well-developed root system. It is an excellent tree species for embankment protection forests and street trees. It is cultivated all over the country. In the swelling softening liquid, the swelling softening liquid is made of aluminum sulfate octadecahydrate, five Zinc borate Composed of three components: eighteen hydrated aluminum sulfate and borax in a mass ratio of 45:47:25, the mass fraction of the solution is 20%, and t...
Embodiment 3
[0038] Robinia board - choose the sapwood of Guoyang, Bozhou City, single-set spherical crown without Robinia, 13 years old, 14m high, 0.5m diameter at breast height, take 60mm×20mm×300mm square material, and its compressive strength along the grain is 705kg / cm 2 , bending strength 1369kg / cm 2 , air-dry density 0.794. Black locust is spread all over the country, and its cultivation range is centered on the middle and lower reaches of the Yellow River and the Huaihe River basin. There is no black locust in the spherical crown, and the branches are fine and dense. Black locust is widely cultivated in Anhui Province and is a common tree species in plains and hills. In the past, it was mostly used for firewood and farm tool handles, such as shovel handles. First, softening and soaking treatment: soak the board in the expansion softening solution, the expansion softening solution is composed of three components: octadecadecahydrate aluminum sulfate, nonahydrate manganese tetrabor...
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