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53 Influence of Technological Loads on the Dynamic of the Driving System of an Overedge Sewing Machine
overedge sewing machine technological loads dynamic of mechanisms
2009/6/16
This article concerns the evaluation of the influence of technological loads caused by mechanismelements of a three-thread overedge sewing machine on the dynamic of its driving
system concerning the ...
Impact of Sewing Needle and Thread in Technological Process of Sewing Knitwear
sewing damage to loops sewing needle penetration force thread tension
2009/2/19
The selection of sewing needles, the fineness of sewing thread, relative air humidity, as well as the thickness and density of knitted fabric play a significant role in the technological process of se...
Optimisation of Needle Penetration Velocity Using the Link Drive Mechanism in a Sewing Machine
sewing machine link drive mechanism optimisation penetration velocity
2009/2/13
Needle movement in a standard lockstitch sewing machine is produced by a slider-crank mechanism. The needle moves in a vertical plane and penetrates the fabric on its way down. Friction between the ne...
Kinematic Analysis of the Sewing Mechanisms of an Overedge Machine
overedge sewing machine spatial mechanism
2009/2/11
A computer analysis of the motion of the spatial links of lever mechanisms has been carried out. This analysis has been presented as an example of some selected mechanisms of one version of basic desi...
A Research about the Comparison of Classical Lockstitch Sewing Machines and Sewing Automats
lockstitch sewing machines sewing automats garment production production quatily
2009/2/8
There is strong competition on the market for ready-made garment products, which are an important part of world trade. In this sector, the technology development and research facilities have an import...
Applying Brent’s Method for Calculating the Forces Acting on Sewing Manipulators
sewing manipulator driving forces Brent’s method
2009/2/6
The problem of calculating the driving and reaction forces which act on a sewing manipulator
is studied in this paper. It is found that Brent’s method is computationally efficient and can be applied ...
A Model of Fabric Transport in a Sewing Machine Using a Feed Dog Covered with a Supple aterial of Increased Friction
sewing machines fabric transport feed mechanism pressure-feed system.
2009/1/20
In this paper, a mathematical model of a feed mechanism which uses a feed dog covered with supple material is presented. The operation of the pressure-feed system has been described using a system of ...
Mathematical Model of a Zigzag Sewing Machine with a Timing Belt Driven Hook
sewing machine zigzag modelling vibration.
2009/1/20
The mathematical model of a zigzag sewing machine with a timing belt driven hook is presented in this paper. The resonance behaviour of the machine is shown graphically. The model makes it possible to...