Effect of nozzle size on texturing performance comparisonDurable

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  • Effect of nozzle size on texturing performance: comparison ...

    An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using four texturing nozzles, both air-jet and steam-jet textured yarns were manufactured. The effect of nozzle size on process and yarn parameters has been studied and compared with air-jet textured yarns.

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  • Effect of nozzle size on texturing performance: comparison ...

    Effect of nozzle size on texturing performance: comparison between air-jet and steam-jet texturing Abstract The objectives of this research work were to investigate the use of steam in order to

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  • Effect of Nozzle Geometry on Air-Jet Texturing Performance ...

    This paper systematically investigates the effect of a number of geometric parameters on the texturing performance of air-jet texturing nozzles. In order to facilitate the research, an air-jet text...

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  • Effect of Nozzle Geometry on Air-Jet Texturing Performance

    The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of ...

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  • Effect of Nozzle Geometry on Air-Jet Texturing Performance ...

    In order to facilitate the research, an air-jet texturing nozzle with a rectangular cross section has been developed. The texturing performance of the nozzles is assessed by means of process observations and on-line measurement of stabilizing zone tension, and also by measuring the in creased linear density of the yams on textured yarn samples.

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  • RESEARCH Open Access Investigation of the influence of ...

    was modified to supply either air or steam to the texturing nozzle. Using an identical nozzle, both air-jet and steam-jet textured yarns were manufactured. The influence of effect-yarn parameters on the steam-jet texturing performance has been studied. Furthermore, steam-jet texturing was compared with air-jet texturing in terms of

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  • Investigation of the influence of effect-yarn draw and ...

    An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using an identical nozzle, both air-jet and steam-jet textured yarns were manufactured. The influence of effect-yarn parameters on the steam-jet texturing performance has been studied.

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  • Effect of surface texturing on friction behaviour of 3D ...

    The improvement in the tribological performance by surface texturing is because surface texture acts as a lubricant ... the effect of surface texture size on the friction behaviour of 3D printed PLA under dry and lubricated conditions has been studied. ... nozzle temperature up to 300 °C build plate temperature 50 to 100 and print speed 20 ...

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  • Effects of surface texture size on the tribological ...

    The effects of surface texture on the tribological properties of slideways were investigated experimentally. The authors designed an experimental apparatus for evaluating textured surfaces using ...

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  • (PDF) Fluid Simulation of the Airflow in Texturing Jets

    A new cost-effective nozzle that can produce good quality commingled yarns at low air pressure is introduced. 3D CFD simulation and experimental studies are conducted to investigate the effect …

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  • Effect of nozzle size on texturing performance: comparison ...

    An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using four texturing nozzles, both air-jet and steam-jet textured yarns were manufactured. The effect of nozzle size on process and yarn parameters has been studied and compared with air-jet textured yarns.

    Get Price
  • Effect of surface texturing on friction behaviour of 3D ...

    The improvement in the tribological performance by surface texturing is because surface texture acts as a lubricant ... the effect of surface texture size on the friction behaviour of 3D printed PLA under dry and lubricated conditions has been studied. ... nozzle temperature up to 300 °C build plate temperature 50 to 100 and print speed 20 ...

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  • Effect of laser surface texturing on primary stability and ...

    Effect of laser surface texturing on primary stability and surface properties of zirconia implants. ... better aging performance, and better primary stability, as compared to traditional - Sand blasting and Etching treatments. ... at a distance of 10 mm from the blasting nozzle and with an impact angle of 90° for 30 ...

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  • Effects of Processing Parameters on the Mechanical ...

    Effect of nozzle size on texturing performance: comparison between air-jet and steam-jet texturing. The Journal of The Textile Institute, 106(10), 1051-1058. [17] Wickramasinghe, G. L. D., & Foster, P. W. (2016). Effects of core-yarn overfeed on texturing performance: comparison between air-jet and steam-jet texturing.

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  • The Performance of a Plain Journal Textured Bearing – IJERT

    The effect of surface texturing on the convergent journal bearing using CFD model by finite volume method based on Navier-Stokes was examined by Tauviqirriahman et.al [3]. In particular, the investigation is focused on the generation of the pressure distribution and the load capacity.

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  • Effect of Al2O3 addition on texturing in a rotating strong ...

    The properties of ceramics can be improved by controlling the microstructure through texturing ceramics in a strong magnetic field. Fabricating dense boron carbide (B 4 C) requires high temperature sintering, therefore sintering additives are often used in order to densify B 4 C ceramics at lower temperatures. However, combined effect of texturing and sintering additives on densification of B ...

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  • Selected Methods and Applications of Anti-Friction and ...

    The beneficial effect of surface texturing on the tribological performance of the sliding pair was visible for the lowest sliding distance. The sample characterized by the medium oil capacity assured a decrease in linear wear of up to 3.8 times compared to the untextured one.

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  • Air Jet Texturing Nozzles

    Effects of geometry on the flow characteristics and texturing performance of air - jet texturing nozzles . Physical properties of para-aramid/nylon hybrid air textured yarns for protective clothing Bilgin et al. [3] evaluated the effects of the geometric parameters on the texturing performance of the air - jet texturing nozzle .

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  • Study on tribological performance of groove-textured ...

    Surface texturing has been proved to be an effective way to increase the tribological performance of textured bioimplants. • The COF of optimized pattern design shows a 51.9% reduction than that of untextured samples. • Hydrodynamic pressure has little effect on the increase of tribological performance. •

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  • Effect of stabilizing heat treatment on condensation heat ...

    Effect of stabilizing heat treatment on laser micro-/nano-textured copper surface microstructure and composition. Firstly, nanosecond laser micro-texturing was used to obtain the hydrophilic copper surface. After further heat treatment, the micro-textured surface exhibited superhydrophobic characteristics with a hydrophobic angle of 161.3°.

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  • CURRICULUM VITAE Prof. G.L.D. WICKRAMASINGHE

    Effect of nozzle size on texturing performance: comparison between air-jet and steam-jet texturing, The Journal of the Textile Institute. (Published online 17 Sep 2014). DOI: 10.1080/00405000.2014.960651 14. Wickramasinghe G.L.D., Foster P.W. (2014). Investigation of the influence of effect-

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  • Analysis and Optimization of a Texturing Nozzle ...

    and twist effects. The air flow in the texturing nozzle can be described by the conservation equations for mass, momentum and energy, combined with the ideal gas equation. This leads to the compressible Navier-Stokes equations. In the nozzle, the string of filaments is represented as a cylindrical dome, in order to simplify the geometry.

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  • (PDF) Impact of Process Parameters and Nozzle Design on ...

    Effects of other elementsAlthough it is claimed that the baffle arrangement (also known as impact element) at the nozzle exit is believed to improve the process stability and hence the yarn quality in the texturing of certain fibers, it is unlikely to have significant effects on the flow inside texturing nozzles, since any such element is ...

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  • Supersonic Jet Texturing of Yarns - G R Wray, M Acar, 1990

    An analysis of the air-jet yarn texturing process, Part IV: Fluid forces acting on the filaments and the effects of filament cross-sectional area and shape J. Textile Inst, ... Effect of nozzle size on texturing performance: comparison between air... Crossref . Show details . The Mechanism of the Air-Jet Texturing: The Role of Wetting, Spin ...

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  • (PDF) Airjet texturing

    Bock and Luenenschloss conjectured that the effect on Sengupta et al. [12] reviewed the texturing mechanism put texturing arises from the susceptibility of slack yarns inside forward by a number of researchers up to 1990 and con- the nozzle …

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  • The Effect of Surface Texturing on Dry Gross Fretting

    Because the effect of surface texturing on the tribological properties under dry-friction regime depends on dimple dimensions [12–14,23], oil pockets of different sizes (depths and widths) were machined. Texturing was performed using abrasive jet machining with the use of laser-cut masks made of two-layer engraving foil.

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  • The Effect of Surface Texturing on Dry Gross Fretting

    The effect of steel disc surface texturing on dry gross fretting in a ball-on-disc configuration was studied. Dimples were created with abrasive jet machining. The tribological performance of sliding pairs, steel–steel and steel–ceramics, was experimentally studied. The character of surface texturing effect was related to the dominant wear type.

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  • Effect of Untampered Plasma Coating and Surface Texturing ...

    in surface texturing and coating technology. Surface texturing involves creating micro patterns on one of the contacting surfaces, while surface coating requires depositing a thin layer of a suitable material on one or both surfaces to improve the component’s friction and wear characteristics. The performance

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  • Air Texturing and Fabrics - PolySpinTex, Inc.

    There are different size needles and venturis available to cater for the various yarns. Regardless on which jet is being used, a certain irregularity of the texturing effect cannot be avoided. Sometimes an accumulation of larger loops occurs, or some long flat loops are being formed.

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  • Effects of Laser Polishing on Surface Characteristics and ...

    Directed energy deposition (DED) is one of the most used additive manufacturing processes for the fabrication of 3D-metal components. However, surface quality is not always within the limits required for most applications. Post-processing operations can overcome such a limitation. Laser polishing (LP) can be performed with the use of a same energy source and same gripping position, thus ...

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  • Prof.G.L. Dharmasri Wickramasinghe

    Effect of nozzle size on texturing performance: comparison between air-jet and steam-jet texturing, The Journal of the Textile Institute. Vol. 106 Issue 10, pp. 1051-1058; Wickramasinghe, G.L.D.,& Wickramasinghe, V. (2011). Perceived organisational support, Job involvement, and turn over intention in lean production in Sri Lanka.

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  • Experimental Investigations on CO Laser Micro Texturing on ...

    5th International & 26 th All India Manufacturing Technology, Design and Research Conference (AIMTDR 2014) December 12 th –14 th, 2014, IIT Guwahati, Assam, India 619-1 Experimental Investigations on CO 2 Laser Micro Texturing on Near- Titanium Alloy (IMI 834) M. Ravi Sankar 1*, S. Tarun Kumar 1, Kishor Kumar Gajrani 1, J. Swaminathan 2,U. S. Dixit 1 1* Department of Mechanical Engineering ...

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  • MicroBlasting Nozzles and Abrasive Media

    increased wear resistance. Hi/Performance nozzles last 3 to 5 times longer than conventional nozzles. Hi/Performance nozzles are designed to compliment our AccuFlo® and MicroBlaster® model blasters in manual and automated applications. 30% More Focus The design of the Hi/Performance nozzle …

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  • Fabrication of optimized streamlined micro nozzles by ...

    The non-vertical velocity represents the instability of the flow field. The non-vertical velocity in the nozzle is marked by the red circle, and the size and density of the circle represent the distribution of the non-vertical velocity. As the length of the straight line increases, the effect of nozzle shrinkage on the jet is gradually reduced.

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  • Air Texturing and Fabrics - PolySpinTex, Inc.

    There are different size needles and venturis available to cater for the various yarns. Regardless on which jet is being used, a certain irregularity of the texturing effect cannot be avoided. Sometimes an accumulation of larger loops occurs, or some long flat loops are being formed.

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  • Ruslan Melentiev

    The effects of hydraulic, abrasive and machining parameters on particles kinetic energy, machined surface roughness and footprint size are described in detail. Nozzle wear has a strong dependence on nozzle materials, its geometry, particles size, hardness, and flow rate. The trend of AJM development is a shift from macro to micro scale.

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  • Frontiers

    Existing methods for the microfabrication of convex structures on a glass surface require a complex and expensive masking process. In this study, a simple microfabrication method that combines the masking process using polyimide tapes and a micro-slurry jet (MSJ) process was developed. The masking process was performed using a CO₂ laser machine, and the surface of the processed glass was ...

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  • Fabrication of optimized streamlined micro nozzles by ...

    The profile of the nozzle is controlled by the different holding times and different feed depths of the auxiliary anode, and the surface properties are determined by the choice of electrolyte. The profile of the streamlined micro nozzle is optimized by simulation analysis with COMSOL Multiphysics ®. A simulation model of the electroplating ...

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  • Introduction to intermingling technology

    Versteeg H., Acar M., and Bilgin S., Effect of geometry on the performance of intermingling nozzles, Textile Research Journal, 69, 545-551 (1999) Pinar Duru Baykal and IlkanOzkan, The effect of intermingling process parameters and number of filaments on intermingled yarn properties, The Journal Of Textile Institute, Vol. 10, No. 12,1292-1302 (2013)

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  • Parts reference guide - SPX Cooling Technologies

    nozzle. n. Nozzles are spaced on nominal 2'-0' centers. n. 75' and 2.5' orifice diameters 1.8 available . The Marley NX nozzle is used only on splash-fill crossflow towers where . objects in the water supply create blockage in smaller nozzles. NX nozzles are injection-molded, high-impact black polypropylene. Each . nozzle is a single assembly ...

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  • American Journal of Engineering Research (AJER) 2013

    glass, this also used for surface cleaning and surface texturing etc. In AJM process fine particles of sea sand having grain size 100-150 micron accelerate in mixing chamber. The sea sand particle directed toward working surface. The Tungsten carbide Nozzle is one of the most useful nozzle in modern AJM engineering process

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  • EFFECT OF POST-TEXTURED HEAT SETTING ON TEXTURED YARN ...

    replace air in air-jets in the production of spun-like textured yarns and investigate the effect of post textured heat setting on textured yarn properties. An existing air-jet texturing machine was modified to supply and control both compressed air and high pressure steam to the texturing nozzle. Effect of post

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  • MicroBlasting Nozzles and Abrasive Media

    increased wear resistance. Hi/Performance nozzles last 3 to 5 times longer than conventional nozzles. Hi/Performance nozzles are designed to compliment our AccuFlo® and MicroBlaster® model blasters in manual and automated applications. 30% More Focus The design of the Hi/Performance nozzle …

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  • Investigation of the use of steam for spun-like textured ...

    Purpose – The purpose of this paper is to investigate the use of steam in order to replace air in the production of spun-like textured yarns. Further, this paper analyse the effect of production speed on process and textured yarn properties. Design/methodology/approach – An existing air-jet texturing machine was modified to supply either air or steam to the texturing nozzle. Using standard ...

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  • The role of texturing and recrystallization during grain ...

    The application of grain boundary engineering (GBE) techniques to enhance the physical and mechanical properties of Ni-based superalloys could potentially increase the efficiency of turbine engines. Compared to traditional GBE processes that require multiple iterations of room temperature deformation followed by annealing, novel techniques for GBE based on the optimization of the thermal ...

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  • Surface Texturing - Comco Inc

    Several characteristics impact the rate of integration. MicroBlasting controls two of these characteristics: Ra, the size of the peaks and valleys, and the developed surface, or the amount of surface area created through the texturing process. Automation delivers ideal results for surface texturing …

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  • Sandblast Nozzle Market Study by 2029

    A neutral perspective on market performance ... The global Urea Nozzle market size …

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  • MicroBlasting for Medical Manufacturing, Implants and Devices

    Abrasive and nozzle selection are the two most important variables in controlling the MicroBlasting process. Micro-abrasives range in size from 17.5-350 µ and in hardness from 2-9 on the Mohs scale. Nozzles range in size …

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  • Laser texturing of helical and straight bevel gears to ...

    Abrasive flow finishing (AFF) is an advanced finished process which finds many applications for nano-finishing of many industrial components, but it has many disadvantages which restrict its applications. While finishing the gears, it creates a lay pattern which is along the lay already generated by a gear machining process. This deteriorates performance and service life of the AFF finished ...

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  • Air Jet Nozzle Dty For Texturizing Machine - Buy Air Jet ...

    Air Jet Nozzle Dty For Texturizing Machine , Find Complete Details about Air Jet Nozzle Dty For Texturizing Machine,Air Jet Nozzle Dty For Texturizing Machine,Yarn Spinning Machine,Yarn Winding Machine from Supplier or Manufacturer-Taian Jiamei Machinery Technology Co., Ltd.

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  • Effects of core-yarn overfeed on texturing performance ...

    (2016). Effects of core-yarn overfeed on texturing performance: comparison between air-jet and steam-jet texturing. The Journal of The Textile Institute: Vol. 107, No. 3, pp. 291-299.

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  • The effects of applied voltage on surface texturing during ...

    As shown in Fig. 1, the electrolyte (25-30 g/L Na 2 CO 3 dissolved in deionized water) was pumped to the nozzle and uniformly sprayed onto the sample surface. The temperature of the electrolyte was kept at 35-40 °C with the chiller. The gap between the nozzle and sample surface was set to be about 6-8 mm.

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  • EFFECT OF POST-TEXTURED HEAT SETTING ON TEXTURED YARN ...

    replace air in air-jets in the production of spun-like textured yarns and investigate the effect of post textured heat setting on textured yarn properties. An existing air-jet texturing machine was modified to supply and control both compressed air and high pressure steam to the texturing nozzle. Effect of post

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  • www.spm.com

    loss. In air-jet texturing, changing the core yarn overfeed has a direct influence on the strength of the textured yarn while the effect yarn overfeed determines the size of the loops. Core and effect yarn overfeeds usually range from 2 to 15% and 15 to 150%, respectively [4]. A typical air-jet textured yarn for conventional

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  • Sandblast Nozzle Market Study by 2029

    A neutral perspective on market performance ... The global Urea Nozzle market size …

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  • Modification of surface treatment on the strength of ...

    Adhesive bonding was widely applied in machinery, electronics, aerospace, automotive manufacturing and other fields [1–5].Adhesively bonded 30CrMnSiA steel joints were used to fabricate the tail nozzle of solid rocket engine owing to the characteristics of adhesive bonding with light weight, high specific strength and uniform stress distribution [4, 6–9].

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  • (PDF) Air-jet texturing of filament feed yarns of ...

    I-Effect of hot-pin temperature on the hot-air shrinkage of basic load of 0.0 I gf/den was applied to the yarn and drawn POY yams KOTHARI & YADAV: AIR-JET TEXTURING OF FILAMENT FEED YARNS 83 the rearrangement of molecular chains into new ther­ - Decreasing the loop size and compacting the modynamically favourable configurations when an yarn ...

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  • Significant improvement of spray pyrolyzed ZnO thin film ...

    Effects of Interfacial Passivation on the Electrical Performance, Stability, and Contact Properties of Solution Process Based ZnO Thin Film Transistors. Materials 11 , 1761 (2018).

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  • Effect of Jet Design on Commingling of Glass/Nylon ...

    In this study, a computational fluid dynamics (CFD) model is applied to study the airflow patterns inside the commingling jets, for different configurations. The CFD package, FLUENT 6.1, is used to...

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  • Effects of Geometry on the Flow Characteristics and ...

    nozzle with an expanded, parallel laser beam and projecting the resulting image on a screen. Standard texts such as Shapiro [11] explain the technique in more detail. The shadowgraphs were recorded with a 35 mm camera. Texturing Trials . In order to compare the performance of the various nozzles, we ran a series of texturing trials

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  • Effects of core-yarn overfeed on texturing performance ...

    (2016). Effects of core-yarn overfeed on texturing performance: comparison between air-jet and steam-jet texturing. The Journal of The Textile Institute: Vol. 107, No. 3, pp. 291-299.

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  • Tribological and Sealing Performance of Laser Pocketed ...

    texturing was observed in their experiments. In a subse-quent work [10, 11], they proposed a design of partial laser surface texturing for piston rings where textures were fabricated on only a portion of the ring face and evaluated its effect on the friction reduction. The comparison of frictional performance was made between cylindrical shape

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  • Laser Surface Texturing Strengthens Bonds, Reduces ...

    Laser machining has long been used in medical device manufacturing to create small sub-components with extremely fine features. More advanced manufacturers are now using their experience with CNC laser systems to refine techniques and processes for laser surface texturing. Laser texturing provides significant improvements over micro-abrasive blasting, but requires specific equipment ...

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  • Spot size - Comco Inc

    Nozzle shape has a trickier relationship with spot size. Round nozzles are the workhorse nozzles. They suit most applications, and the spot size from a round nozzle tends to remain circular at any distance. However, the spot size from rectangular nozzles gradually opens into a circular blast pattern as the nozzle …

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  • The Effects of Pulsed Current Parameters on Porosity of ...

    framework, nozzle and pulsed current power supply. A copper rod was placed in the anode chamber as the anode, and 30CrMnSi stainless steel, with a size of 100 mm×20 mm×2 mm, was used as the matrix material. The samples were polished using various grits of sandpaper and cleaned by soaking in distilled water and acetone for 5 minutes.

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  • 34th International Conference on Surface Modification ...

    › Effect of face texturing on mechanical seals - Lassad AMAMI, Technical Center of Mechanical Industries 11:10 - 11:30 › Influence of the position, shape and number of journal surface scratches on the performance of a two-lobe journal bearing - comparison between experimental data and numerical results - Anh VO, Institut Pprime

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  • Effect of shot peening parameters on the surface integrity ...

    Read 'Effect of shot peening parameters on the surface integrity of 316L material, International Journal of Machining and Machinability of Materials' on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

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  • Advanced finish nozzle system - Goulston Technologies, Inc.

    Advanced finish nozzle system . United States Patent 6449938 . Abstract: A process for improving the uniformity of yarn finish application on the individual filaments of a rapidly advancing synthetic continuous monofilament, bonded multi-filament, multi-filament hosiery, textile, technical and industrial yarns includes imparting a pneumatic ...

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  • Effects of Geometry on the Flow Characteristics and ...

    nozzle with an expanded, parallel laser beam and projecting the resulting image on a screen. Standard texts such as Shapiro [11] explain the technique in more detail. The shadowgraphs were recorded with a 35 mm camera. Texturing Trials . In order to compare the performance of the various nozzles, we ran a series of texturing trials

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  • Fluid dynamics of acoustic and hydrodynamic cavitation in ...

    2011 Cavitation inside enlarged and real-size fully transparent injector nozzles and its effect on near nozzle …

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  • Petrographic assessment of re-textured road surface aggregates

    re-texturing. The geological factors affecting the performance of aggregate materials are mainly petrographic and related to the mineral content of the rocks and the petrofabric texture. It may be anticipated that an aggregate’s grain size, bonding and mineralogy will influence the manner in which it responds to

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  • Home

    altering the performance charac- teristics of the balloon. Similar to altering the morphol- pressure and ultrasonic nozzles the drug coat texture is necessary to meet the requirements of individual company approach- es to drug-coated balloons. Ultrasonic spray provides that versatility to take advantage of what texturing has to offer.

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  • Control Variable #3 OF 5: Nozzles - Crystal Mark Micro ...

    Crystal Mark can provide nozzles as small as 0.005” round or 0.0065” square, to as large as 0.125” round or 0.150 x 0.020” rectangular for all applications. TWO: Shape of nozzle. For most of the applications (95%), round nozzles …

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  • Spot size - Comco Inc

    Nozzle shape has a trickier relationship with spot size. Round nozzles are the workhorse nozzles. They suit most applications, and the spot size from a round nozzle tends to remain circular at any distance. However, the spot size from rectangular nozzles gradually opens into a circular blast pattern as the nozzle …

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  • cooling tower parts reference guide - Proof In Performance

    nozzle n Nozzles are spaced on nominal 2'-0' centers n75' and 2.5' orifice diameters 1.8 available The Marley NX nozzle is used only on splash-fill crossflow towers where objects in the water supply create blockage in smaller nozzles. NX nozzles are injection-molded, high-impact black polypropylene. Each nozzle is a single assembly with no ...

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  • Proceedings of the 16th International Symposium on ...

    Verification of Basic Performance of Size-Reduced Automatic Discharge Gap Controller for Curved Hole Electrical Discharge Machining; Electrical Discharge Machining Properties of Insulating Si_3N_4 Ceramics with Added Al_2O_3; Effects of Process Parameters on Single Discharge Forces Measured during Sinking-EDM

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  • A multi-phase micro-abrasive jet machining technique for ...

    The surface texture such as micro-dimples or micro-grooves on the surface of mechanical seals can help to improve the tribological and sealing properties. A technique of multi-phase micro-abrasive jet machining is proposed to fabricate micro-grooves on the surface of mechanical seals. This technique takes the advantages of the current micro-abrasive jet machining and can recycle the abrasive ...

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  • East Effects: 3D printed props for the entertainment ...

    Andy Fordham is a visual effects artist based in Essex, UK. His studio, East Effects, specialises in the design and creation of bespoke props, costumes, and characters for the entertainment industry.Maybe you’ve seen Andy’s work on screen before – his clients include the BBC, 20th Century Fox, Netflix, Sky, and lots of other household entertainment names.

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