A fiber friction coefficient testing device and testing method thereof
A friction coefficient and testing device technology, applied in the direction of measuring devices, mechanical devices, instruments, etc., can solve the problems of small force value measurement range, low force value resolution, operation error, etc., and achieve the improvement of force measurement accuracy and range. Effect
Active Publication Date: 2017-09-05
上海新纤仪器有限公司 +2
View PDF7 Cites 1 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
The instrument can only set 8 gears of friction roller rotation speed through the gear box, and cannot provide more rotation speeds to study the influence of friction roller rotation speed on fiber friction coefficient
The force measuring device of this instrument uses a torque balance, and its force value resolution is low (0.5×10 -3 cN), the force measurement range is small (250×10 -3 cN), turning the handle of the torque balance and manual visual reading may cause operational errors, and require a high level of proficiency for the operator
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0029] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0030] see figure 1 , which is a structural schematic diagram of a preferred embodiment of a fiber friction coefficient testing device of the present invention. As shown in the figure: it includes friction roller 2, hook 3, first tension clamp 4, second tension clamp 5, first stepper motor 6, force sensor 7, amplifier 8, first pulse distributor 17, computer 19 and Its input and output equipment; wherein: the friction roller 2 is hung with a sample 1 with a wrapping angle; the first tension clamp 4 clamps one end of the sample 1, and the first tension clamp 4 is connected to the force sensor 7 through the hook 3 ; The force value resolution of the force sensor 7 is 0.25×10 -3 Below cN, the measuring range of force value is 1000×10 -3 More than cN; the force sensor 7 is further connected with the computer 19 through the amplifier 8; the second tension ...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a fiber friction coefficient testing device and a testing method thereof. The test device includes a friction roller, a hook, a first tension clamp, a second tension clamp, a first stepping motor, a force sensor, an amplifier, a first pulse distributor, a computer and its input and output devices. Through the above structure, the friction roller can be rotated to test fiber friction. The testing device may further include a second stepping motor, a first gear, a synchronous gear belt, a second gear, a screw mandrel, a screw block, an upper limiter, a lower limiter, and a second pulse distributor. This additional structure can also be used to perform friction roller lift test fiber friction. The device and method of the invention have the advantages of high testing accuracy and high testing efficiency, and can display the fluctuation curve of friction force in real time, and automatically analyze the friction coefficient of fibers and the variation of friction force during the test process.
Description
technical field [0001] The invention belongs to the field of fiber material measuring instruments, in particular to a fiber friction coefficient testing device and a testing method thereof. Background technique [0002] The fiber friction coefficient refers to the ratio of the friction force between two contact surfaces to the vertical force acting on one surface, which is related to the roughness of the fiber surface and has nothing to do with the size of the contact area. Fiber friction coefficient is closely related to textile production and yarn properties. In the process of fiber spinning, in some cases, it is necessary to increase the friction between fibers, such as roller pressure, yarn twisting, etc.; in other cases, it is necessary to reduce the friction between fibers, such as chemical fiber oiling agent, fiber Channel clean, etc. Fiber friction properties will also affect the hand feeling, pilling, wear resistance and wrinkle resistance of its finished products...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G01N19/02
Inventor 李汝勤黄新林张瑞云俞雯沈春龙孙世元徐国良纪峰凌峥吴林根黄范范
Owner 上海新纤仪器有限公司