Machine embroidery is a multi-step process with many variables that govern the quality of the final product.In Sri Lanka a few large-scale factories use machine embroidery process.They import heavy and very expensive ...Machine embroidery is a multi-step process with many variables that govern the quality of the final product.In Sri Lanka a few large-scale factories use machine embroidery process.They import heavy and very expensive machines from the other countries in the world.The main disadvantage of these machines is,they are not suitable for production of small order quantities due to high cost.Also,these machines and the required software for the designing and operating process are comparatively expensive.Small scale apparel factories and domestic industrialists cannot afford the high cost of hardware and software.Besides,it requires persons with high skills for design,operation and maintenance.There are a few domestic type automated embroidery machines,but those are exorbitant.The present study aims to design and fabricate retrofit for ordinary sewing machine that is capable of performing given embroidery pattern.The retrofit comprises of an frame which can be moved in X and Y directions by three controlling motors.The design of the embroidery is converted to a G-code using GBRL software and then the microcontroller governs the movement of the frame to produce the embroidery.The retrofit designed and developed performed embroidery function and the quality of the output was checked and it was found to be satisfactory as far as first conceptual model is concerned.Further development work is required to improve user requirements and technical requirements including the increase of speed of operation which may be done with synchronization of the three motors.展开更多
文摘Machine embroidery is a multi-step process with many variables that govern the quality of the final product.In Sri Lanka a few large-scale factories use machine embroidery process.They import heavy and very expensive machines from the other countries in the world.The main disadvantage of these machines is,they are not suitable for production of small order quantities due to high cost.Also,these machines and the required software for the designing and operating process are comparatively expensive.Small scale apparel factories and domestic industrialists cannot afford the high cost of hardware and software.Besides,it requires persons with high skills for design,operation and maintenance.There are a few domestic type automated embroidery machines,but those are exorbitant.The present study aims to design and fabricate retrofit for ordinary sewing machine that is capable of performing given embroidery pattern.The retrofit comprises of an frame which can be moved in X and Y directions by three controlling motors.The design of the embroidery is converted to a G-code using GBRL software and then the microcontroller governs the movement of the frame to produce the embroidery.The retrofit designed and developed performed embroidery function and the quality of the output was checked and it was found to be satisfactory as far as first conceptual model is concerned.Further development work is required to improve user requirements and technical requirements including the increase of speed of operation which may be done with synchronization of the three motors.
