ABOUT

Solutions & Cases

Our Case
  • Compaction & Granulation Alexanderwerk The Compaction

    During granulation, fine, poorly flowing powders, and the agglomeration of particles, produce larger particles called granulates. The main aim of granulation in pharmacy is to achieve good meterability of the bulk material, since the active ingredients (APIs) in the non-granulated state are difficult to compress into tablets in the subsequent

  • Effect of fine powder particles on quality of binder

    Sep 11, 2020· Despite their desired effects on quality metrics of powder metallurgy parts, fine powder materials are rarely used in powder-based additive manufactur

  • Effect of gas-particle interaction on roller spreading

    Jul 15, 2020· For fine particles, as commonly used in AM, the gas drag could affect the quality of spread layer. Here, we consider the dynamics of powder spreading by a roller for a gas-atomised metal powder and analyse the combined effects of gas-particle interaction and interparticle adhesion on the particle flow in the heap and spread layer uniformity

  • Dust Rollers McMaster-Carr

    Tacky-Surface Dust Rollers . Pick up fine dust and dirt particles with the tacky surface and then peel it away to expose a clean surface. Handle is threaded for use with an extension handle. Rollers. Overall. Refills. Roller Wd. Number of Peel-Away

  • What is Compaction? Alexanderwerk Inc

    Depending on the nature of the starting material of the compaction is still followed by a crushing or milling process. Thereby, the compacted, but partly coarse agglomerates (flakes, ribbons, needles) are to be divided into smaller particles with a certain particle size distribution (PSD).Compacting with roller presses is a highly efficient way of compacting bulk materials.

  • Fine particles in the water. REEF2REEF Saltwater and

    Dec 11, 2019· Hey Reefers. My tank is about 2 months old, cycled with live rock. Recently have been increasing bioload and the water is not as clear as it used to be. Looks like fine particles floating in the water. I have a skimmer and bubble magus filter roller for filtration. Should I add Purigen in my...

  • Fine particles of exhaust gases

    Eliminate fine particles from automobile exhaust. The European standard imposes a maximum of particles rejected of 4.5 mg per kilometer traveled by an automobile. That corresponds to 4.5 grams per thousand kilometers traveled and 450 grams of particles per 100,000 km traveled. The weight of these stored particles will not influence the operation of the vehicle.

  • Is a hammer or roller mill better for pig feed structure?

    The advantage of roller mills is in creating a uniform particle size distribution than hammer mills, and creating much a lower quantity of fine particles and dust, which is very important in pig nutrition concerning the negative influence of fine particles on the health status of a pig’s gastrointestinal tract (GIT), they added.

  • Particle Size and Standard Deviation

    Jan 09, 2012· sieving agent will be added to insure fine particles are completely separated and sifted. The sieving agent serves to keep smaller particles from sticking together and insures a complete separation of the sample into the various fractions. 5 Ground stone Roller Mill and Hammermill 840 Microns 4 6 8 10 14 20 30 40 50 70 100 140 200 270 Pan U.S

  • Tacky Surface Dusters McMaster-Carr

    Tacky-Surface Dust Rollers . Pick up fine dust and dirt particles with the tacky surface and then peel it away to expose a clean surface. Handle is threaded for use with an extension handle. Rollers. Overall. Refills. Roller Wd. Number of Peel-Away

  • Rubber Rollers: Amazon

    It isn't like those cheap-o rollers you see on "As seen on tv" shows. We use to buy this same exact roller from a more expensive company (it's literally the same one, down to grooves in the handle) and we were shipped long sticker sheets to 'roll' it on (on the adhesive side) to clean it off. No one wets these rollers at the industry-level.

  • Effect of gas-particle interaction on roller spreading

    Jul 15, 2020· For fine particles, as commonly used in AM, the gas drag could affect the quality of spread layer. Here, we consider the dynamics of powder spreading by a roller for a gas-atomised metal powder and analyse the combined effects of gas-particle interaction and interparticle adhesion on the particle flow in the heap and spread layer uniformity

  • US2789075A Method of making paint rollers Google Patents

    B05C17/02 — Rollers ; and more particularly to a method in which, in a continuous operation, a laminated tube is formed and has fine particulate matter secured thereto. The small or fine particles may be varied in form and character and, for example, the material may be flock or filaments, and the method may be employed in making paint

  • Detection and resolution of scratch-causing roller side

    May 22, 2018· Particles on furnace rollers have the weight of softening glass pressing against them, and may cause a surface defect. The defect might be mechanical damage (a chip or a bump) or the particle may be transferred from the roller to the glass. In worst cases, due to excessive numbers of defects, a multitude of these fine scratches are

  • How to Select Compaction Machine Based on Soil Type? [PDF]

    Cohesive soils are mostly composed of sand and clay with fine particles. The lifts for cohesive soils are commonly around 15cm. The most suitable compaction machine to compact cohesive soils is vibratory rammer or sheepsfoot roller. The impact force creates a shearing effect and expels air and excess water between particles.

  • Bearing killers: Preventing the top causes of bearing

    Discoloring on races and rollers is common. In mild cases, discoloration is from the lubricant staining the bearing surfaces. Some reasons why fine particles accumulate include improper

  • Fine particles of exhaust gases

    Eliminate fine particles from automobile exhaust. The European standard imposes a maximum of particles rejected of 4.5 mg per kilometer traveled by an automobile. That corresponds to 4.5 grams per thousand kilometers traveled and 450 grams of particles per 100,000 km traveled. The weight of these stored particles will not influence the operation of the vehicle.

  • Particle Size and Standard Deviation

    Jan 09, 2012· sieving agent will be added to insure fine particles are completely separated and sifted. The sieving agent serves to keep smaller particles from sticking together and insures a complete separation of the sample into the various fractions. 5 Ground stone Roller Mill and Hammermill 840 Microns 4 6 8 10 14 20 30 40 50 70 100 140 200 270 Pan U.S

  • PARTICLE SIZE REDUCTION TECHNIQUES

    Mar 25, 2016· INTRODUCTION Size reduction is a process of reducing large solid unit masses, coarse particles or fine particles. Size reduction may be achieved by two methods: 1] Precipitation 2] Mechanical process 1] Precipitation method: Substance is dissolve in appropriate solvent. 2] Mechanical process: Mechanical force is introduce by using different

  • US5324785A Polytetrafluoroethylene fine particles and

    Colloidal polytetrafluoroethylene fine particles having an average particle size of 0.05 to 1.0 μm and each comprising a core made of polytetrafluoroethylene which has a high molecular weight and can be fibrilled and a shell surrounding the core and made of a low molecular weight polytetrafluoroethylene which is not fibrilled, which has good dispersibility in water or an

  • Lint Roller Uses: Genius Ways to Use Your Lint Roller

    Aug 18, 2020· If you’re worried that you missed some small shards of glass after sweeping, grab your handy lint roller to grab any fine particles that remain. Better safe than sorry! iStock/deepblue4you

  • Cement mill Wikipedia

    These consist of a pair of rollers set 8–30 mm apart and counter-rotating with surface speed around 0.9 1.8 m.s −1. The bearings of the rollers are designed to deliver a pressure of 50 MPa or more. The bed of material drawn between the rollers emerges as a slab-like agglomeration of highly fractured particles.

  • Common Tablet Defects That Can Be Avoided Easily

    To prevent this, the thickness of the tablet needs to be reduced, and/or the dwell time increased to allow the fine particles to combine. To increase dwell time, pre-compression can be employed or the speed of the tablet machine can be reduced. Another option is to use a tapered die rather than a perfectly cylindrical die bore.