Production method for automobile engine compartment heat-insulating cushion
A technology for engine compartments and production methods, applied in chemical instruments and methods, layered products, lamination devices, etc., can solve problems such as sound insulation indicators not meeting requirements, sound absorption indicators not meeting requirements, and product materials that are not environmentally friendly. Achieve the effects of improving operating efficiency, reducing weight, and reducing costs
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Embodiment 1
[0017] Produce Dongfeng Nissan 423 engine compartment heat insulation pad, its specification is: L800×W600mm.
[0018] The production process steps of the engine compartment heat insulation pad are as follows:
[0019] The black non-woven fabric was purchased from Liyang Dingli Fiber Products Co., Ltd., the semi-solidified back-spun cotton material was purchased from Zhenjiang Feida Fiber Industry Co., Ltd., and the aluminum foil material was purchased from Jiangyin Qingyang Aluminum Foil Composite Material Co., Ltd. The spinning density is 100kg / m 3 , the density of semi-solidified back-spun cotton is 1000㎏ / m 3 ;The thickness of aluminum foil is 0.05mm;
[0020] (a) Laying of raw materials: black non-woven fabric and semi-solidified back-spun cotton are used as the base material; semi-solidified back-spun cotton is placed under the black non-woven fabric; semi-solidified back-spun cotton is placed on the bottom layer, and the black non-woven arranged on the upper floor;
...
Embodiment 2
[0027] Produce Dongfeng Co., Ltd. W03 engine compartment heat insulation pad, its specification is: L1650×W1160mm.
[0028] The production process steps of the engine compartment heat insulation pad are as follows:
[0029] The black non-woven fabric was purchased from Liyang Dingli Fiber Products Co., Ltd., the semi-solidified back-spun cotton material was purchased from Zhenjiang Feida Fiber Industry Co., Ltd., and the aluminum foil material was purchased from Jiangyin Qingyang Aluminum Foil Composite Material Co., Ltd. The spinning density is 100kg / m 3 , the density of semi-solidified back-spun cotton is 1200㎏ / m 3 ;The thickness of aluminum foil is 0.05mm;
[0030] (a) Laying of raw materials: black non-woven fabric and semi-solidified back-spun cotton are used as the base material; semi-solidified back-spun cotton is placed under the black non-woven fabric; semi-solidified back-spun cotton is placed on the bottom layer, and the black non-woven arranged on the upper floo...
Embodiment 3
[0037] Production of GAC Toyota 055A engine compartment heat insulation pad, the specification is: L1600×W1500mm.
[0038] The production process steps of the engine compartment heat insulation pad are as follows:
[0039] The black non-woven fabric was purchased from Liyang Dingli Fiber Products Co., Ltd., the semi-solidified back-spun cotton material was purchased from Zhenjiang Feida Fiber Industry Co., Ltd., and the aluminum foil material was purchased from Jiangyin Qingyang Aluminum Foil Composite Material Co., Ltd. The spinning density is 150kg / m 3 , the density of semi-solidified back-spun cotton is 1200㎏ / m 3 ;The thickness of aluminum foil is 0.1mm;
[0040] (a) Laying of raw materials: black non-woven fabric and semi-solidified back-spun cotton are used as the base material; semi-solidified back-spun cotton is placed on the bottom layer, and black non-woven fabric is arranged on the upper layer;
[0041] (b) Compression molding: Using a 300-ton hydraulic molding ma...
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