Material Drying
4 조회수
Improper production environment control in heat-resistant polyethylene heat-resistant polyethylene processing
문제 현상
Large changes in workshop temperature and humidity cause product quality fluctuation, especially obvious differences in product dimensions and appearance between day and night.
Improper environmental control affects process stability and product consistency.
원인 분석
(1) Ambient temperature changes affect mold cooling effect and product shrinkage
(2) High ambient humidity causes raw material moisture absorption
(3) Workshop without air conditioning or poor air conditioning effect
(4) Morning-evening temperature difference affects cooling water temperature
(5) Air flow (such as opening and closing doors) affects the stability of the blown film cooling line
해결 방법
(1) Install air conditioning system in the production workshop, control temperature 20-25°C, humidity ≤60%
(2) Install constant temperature device on the cooling system to ensure stable cooling water temperature
(3) Zone temperature control for injection workshop and extrusion workshop
(4) Install wind shields in the blown film workshop to isolate external air flow
(5) Establish an environmental parameter recording system, adjust process parameters in time
핵심 요약
The production environment is an important factor affecting processing quality, and a complete environmental control system needs to be established.
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