Last edited by Zoloshicage
Wednesday, August 5, 2020 | History

1 edition of HATRA yarn friction meter found in the catalog.

HATRA yarn friction meter

HATRA yarn friction meter

a guide to how and when to use it, and how to interpret and act upon the results, both in trouble-shooting and in routine checking of yarns.

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Published by Hatra in Nottingham .
Written in English


Edition Notes

SeriesHATRA report -- R1
ContributionsHosiery and Allied Trades Research Association.
ID Numbers
Open LibraryOL17498052M

Yarn Count Testing Machine, automatically calculates count systems used for sliver, roving and yarn, and can also be used for fabric yield. Yarn Count Tester consists of an accurate electronic balance with a capacity of g or g x g and built-in calculating program. Please contact us if you want to know more about yarn count test method. Our new Yarn Meter has a built-in tensioner. This allows the user to add the correct level of tension on their yarn to ensure that the meter works properly. This new unit can also be used to tension yarn in any application. It does not need to be used with the meter (simply remove the meter).

Standard Test Method for Elastic Properties of Elastomeric Yarns (CRE Type Tensile Testing Machines) D - 07() Standard Test Method for Permanent Deformation of Elastomeric Yarns: D / DM - 13() Standard Test Method for Coefficient of Friction, Yarn to Solid Material: D / . D Test Method for Linear Density of Yarn (Yarn Number) by the Skein Method. D Practice for Sampling Yarn for Testing. D/DM Test Method for Coefficient of Friction, Yarn to Solid Material. D Terminology Related to Yarns and Fibers.

A Lawson-Hemphill, yarn friction meter, a Zivy yarn tension meter, a Buck & Hickman speed indicator and a Tests for Colour-Blindness book by S. Ishihara, Auction Details Antique & Later Collectables. Sale Date(s) 02 Sep BST Venue Address.   Two types of meter may be employed to monitor yarn feed during knitting- yarn length counters and yarn speed meters. 5 6. 6 Monitoring every feed of a large diameter multi-feeder machine is time-consuming and provides no guarantee that the course length will remain constant after measuring.


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HATRA yarn friction meter Download PDF EPUB FB2

The LH Yarn Friction Meter adds another dimension of versatility to the measurement of yarn friction. In addition to being able to be stand-mounted for quality control functions and laboratory use, it can be hand held to measure yarn under actual operating conditions.

It is direct reading, easy to use, accurate and reasonably priced. Digital Friction Meter KFY The Digital Friction Meter is a reliable economical method of computing yarn coefficient of friction. Windows software has been added which allows the DFM readout to be connected to your personal computer or lap top with a complete statistical package.

Yarn Friction Meter. Lawson Hemphill Yarn Friction Meter, YFM is a small, handheld, portable instrument that measures the coefficient of friction very quickly and accurately. It provides very quick feedback on the effects of wax, paraffin, sizing material on the overall yarn friction values.

Hatra Course Length Tester. Yarn Friction Tester. Electronic Evenness Tester. Dry & Heat Shrinkage Tester. Pendulum Arm Dynamometer. Electronic Yarn Sample Winder. Wrap Reel Electronic. Yarn & Hairness Evenness Tester. Multi-function Yarn Humidity Meter.

Electronic Yarn Count System. Latest Updates • Social. Yarn Friction Tester. Yarn HATRA yarn friction meter book is a recurrent source of difficulties in knitting most products on most machines. Problems may arise from inherently high friction yarns, form variations between batches, from a rogue cone within a batch or from changes that occur in storage.

It is on this principle that HATRA Yarn speed meter and Yarn length meter have been developed. Conclusion 3 Prior to the work of Doyle and Munden, many yarn and machine variables were recognized as having an influence on knitting quality and the dimensions of a fabric in its relaxed state.

However, Munden has shown that a change in any one of. Some common yarn friction meters are illustrated and there is mention of the simple MLT friction monitor which takes up one of two positions, depending on the friction of the yarn passing through it. GI YARN FRICTION TESTER: This machine determines the friction coefficient of yarns during the friction to metal surface.

This machine calculates the frictiction coefficient of yarns by friction angle of °. The speed of the machine is between m/min. The pre-tension is adjusted by pretensioner.

Yarn delivery is provided by bobbin creel. DAAAM INTERNATIONAL SCIENTIFIC BOOK pp. Chapter 04 DESIGN OF YARN PROPERTIES FOR IMPROVED FABRIC PERFORMANCE SALOPEK C.,I.

& SKENDERI, Z. Abstract: Textile fabrics cover a vast range of consumer and industrial products made from natural and. In the production process, fibers have to be spun into a carefully designed yarn structure with specified. Introduction to Air-jet spinning. Principle of yarn formation (06 hrs) 7.

Introduction to Friction Spinning. Principle of yarn formation (06 hrs) 8. Comparison of Ring, Rotor yarn, Air-jet yarn, Friction yarn (03 hr s) 9. Introduction to texturing process. Different texturing processes, their overview. Application and advantages of Textured.

HATRA crimp rigidity tester: Instron tensile testers Uster evenness tester with imperfection meter: Uster staple diagram apparatus WIRA tuft withdrawl tensionmeter: Yarn friction tester: Atlas Linitest Laundrometer: Atlas Xenotest Weatherometer: Diffrential Scanning Calorimeter (DSC).

Yarn Friction. Used yarn friction recorders in stock: Rothschild. F-Meter with analogue computer and winder R SDL Hairyness Friction Tester with pc and y friction testers, both integrated drum and separate drum types, all spares and accessories eg pens, paper circles etc.; SDL digital, Lawson Hemphill with friction meter test stand.

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We will give you any of the 2 books from the below list if you fulfill our conditions. If you want to download this book, you need to write an unique article about textile related topics.

The article must be at least words or above and contains valuable information. No copy paste is allowed and we will check plagiarism to confirm. Friction Charging Tester is the antistatic fabric and knitted fabric friction generated by the amount of charged charge test equipment, used to measure the amount of static electricity charge.

+ + [email protected] Various commercial friction testers and test methods (e.g. ASTM D) are available, most of these measuring the tension generated in the yarn as it passes over a cylindrical or flat metal surface, or itself, the yarn-to-metal coefficient of friction (μ) can be estimated by measuring the yarn tension (T 1) prior to the surface and that (T 2.

Friction Testing Apparatus (Indirect)7 (Fig. 2)— Apparatus in which the input tension is measured or controlled to a set value, the output tension is measured, and the coefficient of friction is calculated within or outside the apparatus. Yarn Tension Input Control—A means of controlling the yarn input tension to the nearest 61mN.

Two types of meter may be employed to monitor yarn feed during knitting - yarn length counters and yarn speed meters - which may be considered to be respectively analogous to tachometers and speedometers in cars.

The yarn length counter is simplest in construction, providing a reading of the amount of yarn fed in a certain time period. The data in, can also be used to explain an apparent well-known paradox, i.e. that the friction of a lubricated yarn at high sliding speed is higher than the friction of a non-lubricated yarn.

Thus, we are dealing with two very different phenomena – dry friction, which is independent of speed, and hydrodynamic lubrication, or. Module Name Download Description Download Size; Fibre Fineness: FAQ of Fiber Fineness: The FAQs of module 4 which have some special character attached which are. NEWTRY Handheld Digital Electrostatic Field Meter Tester 0~20KV Portable Ion Balance Tester 0~V for Fiber Yarn Fabric Carpet Board Paper Rubber out of 5 stars 5 $ $ Hatra Course Length Tester.

YGB Multi-function Yarn Humidity Meter is used to quickly measure the humidity of pure cotton bobbin yarn, blended bobbin yam and other chemical bobbin yam. DW Series Yarn-friction Tester is used to determine the wear-resisting property of a single yarn of plied yarn used for textile materials.The ROTHSCHILD ENTANGLEMENT-TESTER R is able to test the following yarn properties: • Number entanglements /meter • Distances between entanglement knots • Mechanical stand fastness of knot • Discrimination of weak or soft knots • Discrimination of yarns with insufficient entanglements • Up to tests per hour • Automatic process for yarns 30 – deniers • Provison.