จำนวน Repository ( 28 )
การออกแบบเครื่องแต่งกายสุภาพบุรุษโดยได้แนวคิดจากโครงร่างโลหะปราสาท
The project was clothing design for gentleman wear under concept of lohaprasada Structure that purposed for studied and designed of gentleman’s wear costumes by Concept design from lohaprasada structure. directed lohaprasada structure and isometric Design to decorated on gentleman to wear costumes. From the education found that tool of this project were a from the method that been Used for this study case is the descriptive analysis tool that analyzed about the architectural Parts of lohaprsada which is analyzed in 2 topics ; the silhouette and the appearance pattern. The main idea is to study the overall physical and bring the result of study to apply and create the meanswear collection. Conclusion of studies a researcher bring lohaprasada structure Design to invent and decorated from original lohaprasada structure by bringing isometric drawing techniques And embroidery technique to designs gentleman clothing which had amount 5 suits of oversize t-shirt with drop crotch pants over-long coat with sleeveless Jacket men jumpsuit oversized short coat with drop with drop crotch pants oversize hooded ruana with pleated pants. There were the style in identical way of all collection that created new style of gentlemans to wear costume design and tendency fashion helps to developed them.
Molecular weight polyethylene composites for high wear resistance under temperature changes and lubricant to apply for use in industrial machinery parts
The objective of this research is a study to determine optimum forming condition of semi-finished bulk UHMWPE by using ram extruder that obtain maximum yield strength and minimum wear rate for apply to use in area of medical and mechanical application. Experimental extrusion specified forming condition consists of the temperature of 140 150 and 160 ºC and pressure of 3 5 8 and 10 MPa with the temperature exposure time of 30 minutes. After known optimum forming condition of UHMWPE powder thus forming UHMWPE filled with different kind of filler to study and determine optimum weight fraction of various types of filler that affect onto wear resistance property of UHMWPE composites. Result extruded condition at the temperature of 1 5 0 ºC under pressure of 5 MPa with exposure time of 30 minutes is an optimum extruded condition due to specimen shown a maximum yield strength ultimate tensile strength and elongation of 20.43 ± 1.21 MPa 28.33 ± 1.53 MPa and 285.60 ± 6.41 % respectively and obtain minimum wear rate of 3.02 10-9 ± 5.27 10-10 mm3/Nm. Its mechanical properties and wear resistance property higher than imported bulk UHMWPE by 23.3 % and 4.75 times respectively due to the formation of cross-linking are occurred in polymer chain and also its degree of crystallinity is high equal to 61.52%. For bulk UHMWPE IR-spectrum shown a variation peak of carbonyl group (C=O) are occurred that that it indicated the oxidation reaction at the end of polymer chain and tis degree of crystallinity is equal to 53.31% which result to decrease strength of polymer. In the case of UHMWPE filled with filler optimum weight fractions of various types of filler are as follows. 1. The filling of 0.3 wt. % Al2O3 particle size 0.05 μm shown yield strength ultimate tensile strength and elongation of 23.17 ± 3.35 MPa 34.78 ± 2.80 MPa and 229.00 ± 6.09% respectively that its mechanical properties was increased by 18.55% (increasing of ultimate tensile strength). For the wear rate is equal to 2.09 10-9 ± 3.39 10-10 mm3/Nm or its wear resistance was increased by 1.44 times in compared with initial bulk UHMWPE. 2. The filling of 0.4 wt. % Al2O3 particle size 0.3 μm shown yield strength ultimate tensile strength and elongation of 21.93 ± 0.51 MPa 25.40 ± 0.69 MPa and 267.67 ± 22.03% respectively that its mechanical properties was increased by 11.54% (increasing of ultimate tensile strength). For the wear rate is equal to 2.32 10-9 ± 4.78 10-10 mm3/Nm or its wear resistance was increased by 1.30 times in compared with initial bulk UHMWPE. ฉ 3 . The filling of 0.4 wt. % Al2O3 particle size 1 μm shown yield strength ultimate tensile strength and elongation of 23.93 ± 1.89 MPa 26.77 ± 1.20 MPa and 296.54 ± 7.51% respectively that its mechanical properties was increased by 5.83% (increasing of ultimate tensile strength). For the wear rate is equal to 2.14 10-9 ± 3.16 10-10 mm3/Nm or its wear resistance was increased by 1.41 times in compared with initial bulk UHMWPE 4 . The filling of 4 wt. % Al2O3 particle size 5 μm shown yield strength ultimate tensile strength and elongation of 22.57 ± 2.01 MPa 26.31 ± 3.11 MPa and 136.66 ± 11.67% respectively that its mechanical properties was increased by 7.68% (increasing of ultimate tensile strength). For the wear rate is equal to 2.37 10-9 ± 5.71 10-10 mm3/Nm or its wear resistance was increased by 1.27 times in compared with initial bulk UHMWPE
การพัฒนากระบวนการอบผนึกชิ้นงานความแข็งสูงพิเศษเพื่อเพิ่มประสิทธิภาพ การต้านทานการสึกหรอตามแนวทางการจัดการวัสดุเพื่อความยั่งยืน
This study aims to development of production process of hard metal by tungsten carbide powder with the particle sized of 0.1 - 0.35 µm. This carbide powder were made of recycling cemented carbide tool scraps so it is mixed with Ta = 2.82 % Mo = 0.45 % Nb = 1.22 % Ti = 4.56 % Zr = 0.37 % The shape of the carbide powder are roughly round due to ball milling for 300 hours. It was mixing cobalt 10 % and Paraffin wax 2 % which is found the work piece that running through the process of sintering with a temperature of 1400 °c and 1430 °c have the hardness of 1368.5 and 1346.3 HV respectively. In one hour of holding time process the work piece with 1430 °c of the sintering causes less wear. After the test of turning operation it can be concluded that the tungsten carbide cutting tool provides the equivalent quality as a standard cutting tool.
การพัฒนารูปแบบสินค้าค้างสต็อก ประเภทเสื้อผ้าสตรีเพื่อจาหน่ายเป็นผลิตภัณฑ์ใหม่
The aims of this study are (1) the adapting of women’s wear in holding inventory to a new product (2) the study of the satisfactions of women who are 25-35 years old in Bangkok about the adapted women’s wear in holding inventory. The tools for study are the questionnaires and the prototypes to accidental survey 302 women who are 25-35 years old in Bangkok and being the members from buying products of Boutique Newcity Public Co. Ltd. The fist of methods sketching of the adapted holding inventories (shirts skirts and pants) with Ruffles Godets and Transfer Printing to selection by the 5 specialists. Then adapting the top 5 selected styles. Finally surveying and analysis of the samples with percentage mean and standard deviation. The result of the study shows that most women from the sampling are single and have education in Bachelor Degree. Their occupations are in private sector with salary range between 10000 –20000 bath. Their favourite shopping place of women’s wear is department stores and buying of top 3 are pants dress and blouse. The first reason for them to buy the products is the interesting design. The overview of adapted products shows skirts are the first favourite with mean value of 3.13. Shirts are the second favourite with mean value of 3.09 and pants are the last favourite with mean value of 3.07. The conclusion of the developed women’s wear are favoured medium level.
The design and development problem in wear house and decoration group for one Tumbon one product production group (OTOP), mini and medium SMEs in pathumthani province.
This research aimed to study and analyse conditions and problems in designing and developing household and decorative products of One Tambon One Product (OTOP) small and medium enterprises (SMEs) in Pathumthani province. The informants were 4 OTOP entrepreneurs and 205 OTOP SMEs. The research was conducted by means of interviews observations and questionnaires. The data was statistically analysed using frequency percentages mean and standard deviation. The results showed that conditions and problems in designing and developing household and decorative OTOP products ranged from home-based production site a lack of knowledge in product design and development transportation creativity artistic relations product specifications marketing to product design and development laws. Four entrepreneurs from these groups of products: lotus-fiber flowers silk flowers and bamboo lamps were found to have the problem of dyeing materials whilst those from the group of Thai/Japanese clay flowers had the problem of clay. The researcher had analysed piloted and concluded the problems and then passed on product development techniques to the entrepreneurs. It was found that they could use the given knowledge to make beautiful products and they satisfied with the reducing cost of production.