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Register a new userStudying and solving 12Ne cotton yarn sizing proplem of Lattakia weaving company
دراسة و حل مشكلة تنشية الخيط القطني نمرة 12 انكليزي في شركة نسيج اللاذقية
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مها محمد سليمان( باحث )
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خضعت الأقمشة المنسوجة في العقود الأربعة الماضية إلى منافسة هائلة من قبل أقمشة الموضة, الأقمشة المحاكة, و اللامنسوج. و قد قابل صناع النسيج ضغط المنافسة بالتركيز على تصميم أنوال توفر سرعات عالية نسبياً. و لتلبية متطلبات الإنتاجية العالية على آلات النسيج يجب تحسين خصائص المادة الأولية, و جودة و فعالية تحضيرات النسيج. و يتم هذا التحسين بتغطية الغزل بطبقة من النشاء قبل النسيج و ذلك في عملية التنشية التي تعتبر قلب عملية النسيج. يهدف هذا البحث إلى دراسة العوامل المؤثرة أثناء عملية التنشية على نوعية الخيط القطني و تحديد القيم المثلى لهذه العوامل حيث تبين خلاله تأثير سرعة آلة التنشية على زمن بقاء الغزل داخل محلول التنشية و بالتالي على تحميله بالنشاء, و من جهة أخرى تبين تأثير ضغط اسطوانات العصر في آلة التنشية و كذلك لزوجة محلول التنشية في نسبة تحميل الخيط بالنشاء مما يؤثر لاحقاً على احتماله للقوى المؤثرة عليه أثناء النسيج ثم الاستعمال كخيط ضمن قماش لاحقاً لأن نجاح عملية التنشية هو نجاح للعمليات اللاحقة و هي النسيج و التجهيز النهائي, و غيرها.
In the past four decades, the woven fabrics has been subject to inordinate competition which has primarily come from the fashion (short runs), knitting, and nonwoven segments. The weaving machinery manufacturers answered the pressure of competition by concentrating on the design of looms that offered relatively very high speeds. Obviously, to meet the demands of the higher productivity on the loom, the material characteristics and the quality and efficiency of the preceding processes also needed to be improved. And this improvement is doing by encapsulate the yarn with size film before weaving, by the sizing process which considered as the heart of weaving. this research is aimed to studying the affective factors of sizing, and define the ideal values of it. This research reffered to the effect of sizing machine speed on yarn size witting time and then on its coating percent, other side the rollers squeezing pressure of sizing machine and sizing solution viscosity affect on yarn size coating percent too which affecting on its resistance toward weaving operation and usage later, because , the success of sizing process leads to success the following stages like, weaving, finishing, and then, success in fabric usage.
References used
GOSWAMI, B. C; ANANDJIWALA, R. D; HALL, D. M. Textile sizing. Marcel Dekker, New York, 2004, 408
MOHAMED, M. H. Slashing for high speed weaving. North Carolina, 1991, 196
ESCEW, D. D. increasing the cost competitiveness of the US textile manufacturer through the attenuation of slasher and sized yarn waste. Raleigh, 2006, 173
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research The aim of this is to find an explicit relationship between the strength of fibers, bundle and
yarns. The CV values of the strength are given as well. This provides a relatively simple method for
estimation of staple yarn strength, while a
voiding some difficulties of an empirical method. The effects of
important factors such as fiber length and thickness, twist and count of yarn are considered. The results
are verified by published data in Mechanical Engineering of Textile Industries and Their Technologies,
Faculty of Mechanical and Electrical Engineering, Damascus University. and also in Al-Kumasiah
company in Damascus city.
This research provides suggestions if we apply it it will help in estimating directly the yarn strength
without manufacturing and suitable testing of the yarn.
The research aims at identifying the role of training strategy -as an essential function
of human resources management- in career planning for the employees in Latakia Textile
Company.Due to the importance of planning and career development for employees in the
public sector and its role in increasing the efficiency of employees performance and thus
organization efficiency.
We study in this research the effect of proportion of cotton
run process returns upon the specifications of open end rotor cotton
produced yarn for Syrian cotton.
The research aims to identify the factors affecting worker productivity in the General
Company for Cotton Yarn in Latakia, arranged according to their relative importance.
Reached the following results:
- outcome of the study were factors in the f
ollowing order: labor rights, the system of
incentives, rewards, rehabilitation and training, the physical work environment, work
stress, workload, promotions, labor relations. As the first component of a bulk of the
variations in form before recycling and beyond, so it should focus on the components
involved in this component, and take priority when studying factors affecting worker
productivity, and these factors are: labor rights, the system of incentives, rewards.
- The presence of significant positive relationship between spirits (labor rights,
bonuses, rehabilitation and training, the physical work environment, promotions, labor
relations) and worker productivity in the company studied.
3- The presence of significant inverse relationship between spirits (work stress,
workload) and worker productivity in the company studied.
The actual effect of unplanned transition of rural environment with its different
components towards urban areas had played a big role in giving the gray tincture on the
housing reality of Syrian cities in general, which in turn released a problem
that faced
planners to solve as one of the most important priorities through concentrating on the
possibility of selective elevating of positive specifications of the rural environment as a
large effect contributing factor in solving the housing problem through suggesting a group
of helping solutions by implementing them as a developing type with a rural quality in
actual stopping of housing problem.
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