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  • Inspection, Repair, and Alteration of Yankee Dryers

    A typical Yankee dryer is a cast-iron cylinder of about 6 m (19.5 ft) outside diameter, 7.75 m (25.5 ft) width, and weighing about 180 t (200 short ton). It is typically heated by 1.1 Mpa (160 psi) steam and operated at 1900 m/min (6200 ft/min) while one or more pressing rolls apply pressure to the paper sheet and dryer felt on the Yankee face.

  • TM: Profile Grind JAEGER GmbH Cylinder Service

    Profile grinding – a tangential grinding procedure. Besides polish grinding, predominantly used to optimize surface quality and roughness, profile/form grinding can be considered as one of the most important Yankee reconditioning procedures. The tangential grinding procedure guarantees highest precision with a high removal rate combined with the lowest possible material removal and thus wall ...

  • Yankee dryer - Wikipedia

    A Yankee dryer is a pressure vessel used in the production of tissue paper.On the Yankee dryer, the paper goes from approximately 42–45% dryness to just over 89% dryness. In industry, MG cylinders or Yankee dryers are primarily used to remove excess moisture

  • Tissue machine and coverting machine expert and supplier ...

    Advantage DCT Tissue Machine Yankee Dryer Grinding Services. Nonwoven Manufacturing Equipment Nonwoven Manufacturing Equipment. Converting Machine Toilet Roll Converting Line Boxed Tissue/Kitchen Towel Converting Line Ply Machine Toilet Roll Fully Automatic Kraft Paper Wrapping Machine.

  • Grinding of drying cylinders PIKOASUR

    Our grinding process allows precision work (+/- 0.1mm in diameter), while getting a good final surface (roughness <0.6 µm). In case of a porous iron, Pikoasur is able to repair these defects by plug in or spot repair. The grinding process is applicable on drying rolls, Vac rolls, Yankees, pope reel or suction cylinders, all on site.

  • How Yankee metallurgy plays a critical role in machine ...

    The Yankee dryer is the heart of any tissue machine. When Yankee chatter and surface variations become a continuing mystery, after checking all the usual items, grinding and runnability problems may very well be due to the basic metallurgy of the cast-iron dryer shell.

  • Yankee services for tissue makers Valmet

    A regular measurement of the Yankee surface is crucial to detect deviations from the original shape at an early stage and thereby allow correcting action without disturbing the production. Valmet's wide network of Yankee services experts provide a complete service program to support and improve the Yankee

  • Valmet Yankee dryer solutions

    chemical wear. A specialized, encapsulated grinding machine in the Valmet workshop gives a precise and controlled environment for consistent, high-quality application of thermal coatings while preventing environmental pollution. Super-rigid through-going journals – the hallmark and backbone of a high-performance Yankee dryer.

  • Thermal Coatings Intl. Inc.

    Yankee dryer grinding needs. If your company is looking for someone to provide you with yankee dryer grinding services look no further. We can provide you with grinding services to remove any surface defects or profile problems your dryer has. You can go back to making paper instead of worrying about maintenance. Our technicians have been

  • Steel Yankee dryer: Advantages, development and rapid ...

    Toscotec pioneered steel Yankee dryer, based on 40 years’ experience Toscotec, the paper machine producer in Lucca, Italy, is widely seen as the pioneer and driving force for development of the steel Yankee dryer (SYD) concept. Already in the 1960s, the company was producing steel drying cylinders for standard paper machines.

  • Steel Yankee dryer: Advantages, development and rapid ...

    Toscotec pioneered steel Yankee dryer, based on 40 years’ experience Toscotec, the paper machine producer in Lucca, Italy, is widely seen as the pioneer and driving force for development of the steel Yankee dryer (SYD) concept. Already in the 1960s, the company was producing steel drying cylinders for standard paper machines.

  • Yankee Dryer Dry Creping Basics - YouTube

    Nov 29, 2012  Visit https://goo.gl/7f5jKA to view the full video and purchase access to our other Tissue courses. The Yankee dryer is a large, steam-heated, pressure vessel that is used in the production of ...

  • 作者: Convergence Training by Vector Solutions
  • Yankee surface restoration Valmet

    Valmet supplies following advanced solutions to restore perfect Yankee surface, ensure optimum performance and extend dryer life: Yankee surface polishing - removes build-up and chatter marks On-site Yankee profile grinding - restores the surface Thermal coating -

  • High precision yankee grinding - force

    High precision yankee grinding Tissue machine maintenance Precision is the key to maximum life and performance from your yankee cylinder. Valmet has the staff, facilities, and equipment to do the most precise job of surface grinding yankee dryers. Comprehensive yankee services Fewer sheet breaks and better runnability

  • What is a Yankee Machine

    Tangential belt grinding “design Farros Blatter or Bender Crownmaster” are often used for crowned Yankee cylinders. Tangential surface contact facilitates accurate step-free crowning and high grinding capacity. Most of the grinding machines for this purpose are more or less home-made, some based on a standard grinding machine bed way and often

  • Precision On-Site Field Machining for the Pulp Paper ...

    In-Place Machining Company serves the pulp, paper, and packaging industries with precision on-site field machining, welding, alignment measurement services.

  • Paper Machine MG Cylinder - Yankee Cylinder Paper Machine ...

    Paper Machine MG Cylinder A MG Cylinder is a Yankee cylinder, which is used to get Glaze on the surface of the paper. The paper sheet, in contact with the large hot highly polished dryer surface, for a long dwell time, will start to slip and plasticize the surface fibres, improving gloss glazed properties on one side of the paper.

  • Chatter marks on Yankee Surface JAEGER GmbH Cylinder Service

    The Yankee surface characteristics varies → Doctor tip stick/slip variations → Doctor blade vibration → initiation and formation of chatter marks. Recommendations for countermeasures: Recalculation of cylinder crowning – based on the measurement results. Contour grinding of Yankee Dryer

  • EP1158066A1 - Methods of coating yankee dryer drums ...

    A method of coating a Yankee dryer drum surface comprises applying an iron-chromium alloy surface coating onto the Yankee dryer drum surface containing from about 20 to about 47 weight percent chromium, and wherein the iron-chromium surface coating has a Rockwell C hardness of about 55 to 70. Another method of coating a Yankee dryer drum surface with an iron-chromium alloy to protect

  • Yankee Dryer Design and Construction - YouTube

    Nov 29, 2012  Visit https://goo.gl/XALViG to view the full video and purchase access to our other Tissue courses. The Yankee dryer is a large, steam-heated, pressure vessel that is used in the production of ...

  • Global Survey Shows Trends in Yankee Dryer Deliveries ...

    Photo courtesy Andritz. Yankee dryer cylinder constructed from gray cast iron shell and components. Note the high-strength steel bolting at the head-to-shell joints and at the head-to-journal joints. Photo courtesy Valmet. Tissue machine with a yankee dryer and a hot air impingement hood (air cap), usually called the dry end of the tissue machine.

  • Emergency Yankee Dryer Bearing Journal Repair Machining ...

    The next time your Yankee Dryer or other paper mill equipment needs repair, maintenance or refurbishment, call In-Place Machining at 414.562.2000 us get you back on-line quickly and economically. Visit the IPM Website News Page for more In-Place Machining Company case studies, the

  • yankee dryer grinding of voith

    yankee dryer grinding of voith. These covers conform to Yankee dryers while offering the highest levels of wear resistance heat resistance and bonding strength “Voith is focused on partnering with our customers With the Voith team you can optimize machine performance using a combination of outstanding mechanical roll services and roll covers that perform extremely well”

  • MINUTES of the YANKEE DRYER SAFETY SUBCOMMITTEE

    TAPPI Yankee Dryer Safety Subcommittee October 27, 2003 at the Hyatt Regency Chicago, IL, USA Page 1 of 5 MINUTES ... • Survey of Yankee Dryers and Machine Glazed Cylinders ... The defect was considered trivial and repaired by grinding. The second indication was 3 inches long in the flange face. It extended from under a nut

  • Global Survey Shows Trends in Yankee Dryer Deliveries ...

    Photo courtesy Andritz. Yankee dryer cylinder constructed from gray cast iron shell and components. Note the high-strength steel bolting at the head-to-shell joints and at the head-to-journal joints. Photo courtesy Valmet. Tissue machine with a yankee dryer and a hot air impingement hood (air cap), usually called the dry end of the tissue machine.

  • Emergency Yankee Dryer Bearing Journal Repair Machining ...

    The next time your Yankee Dryer or other paper mill equipment needs repair, maintenance or refurbishment, call In-Place Machining at 414.562.2000 us get you back on-line quickly and economically. Visit the IPM Website News Page for more In-Place Machining Company case studies, the

  • yankee dryer grinding of voith

    yankee dryer grinding of voith. These covers conform to Yankee dryers while offering the highest levels of wear resistance heat resistance and bonding strength “Voith is focused on partnering with our customers With the Voith team you can optimize machine performance using a combination of outstanding mechanical roll services and roll covers that perform extremely well”

  • MINUTES of the YANKEE DRYER SAFETY SUBCOMMITTEE

    TAPPI Yankee Dryer Safety Subcommittee October 27, 2003 at the Hyatt Regency Chicago, IL, USA Page 1 of 5 MINUTES ... • Survey of Yankee Dryers and Machine Glazed Cylinders ... The defect was considered trivial and repaired by grinding. The second indication was 3 inches long in the flange face. It extended from under a nut

  • Homepage - Fertilla Machine Grinding

    Precision Grinding Dynamic Balancing. Fertilla provides comprehensive roll grinding services for a variety of industries. Our precision roll grinding experience provides our customers with the assurance that tolerances will be met and well documented.

  • Yankee Dryer Design Construction - Convergence Tissue ...

    The design and construction of Yankee dryers has evolved over time to optimize these two operations and also provide a safe work environment for the people who work around them. This course describes the major external and internal components of a Yankee dryer installed on a tissue machine, and the purpose or function of each component.

  • Chili Grinding Dryer And Grinding Machine

    dry chilli grinding machine crusher unit. Construction Of Chili Dryer Machine. The Chili Dryer Machineare used for drying the chili,pepper and other vegetables, The drying is one of the most important step during the chili processing.After drying, teh chili can be more easy to reserve,or it can be milled by grinding machine

  • HOME - jaeger-inc

    GRINDING. Profile and polish grinding to restore the cylinder shape ... service package for Yankee dryers. KNOWLEDGE, EXPERIENCE EQUIPMENT. ... We increase the availability of your tissue machine. With all our technical expertise, the many years of experience, our practically proven technical equipment and the know-how about production ...

  • Paper Machine Tissue machine and coverting machine ...

    Unique features to each part Provide the best quality of product. Machine speed 2,200m/min is at the top international level. Soft and intense sheet forming, press configuration with high accuracy and dewatering capacity, dry section with efficient heat transfer and so on, this is the high speed tissue machine with highest performance.

  • Inspection, Repair, and Alteration of Yankee Dryers

    A typical Yankee dryer is a cast-iron cylinder of about 6 m (19.5 ft) outside diameter, 7.75 m (25.5 ft) width, and weighing about 180 t (200 short ton). It is typically heated by 1.1 Mpa (160 psi) steam and operated at 1900 m/min (6200 ft/min) while one or more pressing rolls apply pressure to the paper sheet and dryer felt on the Yankee face.

  • gold crusher for mining yankee dryer grinding machine

    Yankee Grinding Machine VendorUlang. Yankee grinding machine vendor yankee grinding machine vendor. Paper machine . This article contains a glossary section at the end. External images. Watch video of paper The grinding produces very short fibres that drain slowly. The paper sticks to the yankee dryer a.

  • Yankee Dryer Dry Creping Overview - Convergence Tissue ...

    The Yankee dryer is a large, steam-heated, pressure vessel that is used in the production of tissue grades. After the tissue sheet is dried by the Yankee dryer and Yankee hoods to its final moisture target, it is creped and removed from the Yankee by the creping doctor. The "dry creping" process is responsible for the bulk, stretch, and ...

  • Best practices for steel Yankee dryer maintenance - Pulp ...

    An efficient management of your steel Yankee dryer (SYD) helps reduce maintenance costs and avoid the risk of emergency stops. ... making a spot repair of the damage. If you see chatter marks, consider checking the doctor blades for vibration, the machine frame for vibration resonance, the chemical coating application and the process parameters ...

  • Services - Thermal Coatings

    Yankee Dryer Profile Grinding; Yankee Dryer Surface Grinding; Yankee Dryer Edge repairs; Yankee Dryer Full Face Coatings; Yankee Dryer Spot Repairs; Yankee Dyer Diagnostics; Onsite Roll Grinding; Reel Drums; Can Dryers; Winder rolls; Protective and Restoration Coatings; Seal Fit

  • Yankee Dryer Dry Creping Overview - Convergence Tissue ...

    The Yankee dryer is a large, steam-heated, pressure vessel that is used in the production of tissue grades. After the tissue sheet is dried by the Yankee dryer and Yankee hoods to its final moisture target, it is creped and removed from the Yankee by the creping doctor. The "dry creping" process is responsible for the bulk, stretch, and ...

  • Analysis of chatter marks damage on the Yankee dryer ...

    The generation of chatter marks in the Yankee dryer surface of a tissue machine can be enhanced by forced vibrations due to resonance conditions on the beams that hold the creping/cleaning blades. The gearbox that couples the electric engine with the Yankee shaft is a source of excitation due to the meshing process.

  • Services - Thermal Coatings

    Yankee Dryer Profile Grinding; Yankee Dryer Surface Grinding; Yankee Dryer Edge repairs; Yankee Dryer Full Face Coatings; Yankee Dryer Spot Repairs; Yankee Dyer Diagnostics; Onsite Roll Grinding; Reel Drums; Can Dryers; Winder rolls; Protective and Restoration Coatings; Seal Fit

  • Inspection, Repair, and Alteration of Yankee Dryers

    A typical Yankee dryer is a cast-iron cylinder of about 6 m (19.5 ft) outside diameter, 7.75 m (25.5 ft) width, and weighing about 180 t (200 short ton). It is typically heated by 1.1 Mpa (160 psi) steam and operated at 1900 m/min (6200 ft/min) while one or more pressing rolls apply pressure to the paper sheet and dryer felt on the Yankee face.

  • Industrial Machining Metal Fabrication @ Yanke Machine Shop

    Yanke Machine Shop, Inc. Yanke Machine Shop has offered its customers fast, efficient, quality services since it was established by Carl Yanke in 1942. We are located in Boise, Idaho, USA and have worked for customers locally, regionally, and internationally on small to large projects in scope, value and complexity.

  • Yankee service - ANDRITZ

    Apart from grinding services and exchange of spare parts, ANDRITZ offers leakage repairs, Yankee head testing and repairs, press NIP calibration, and doctor blade adjustment. And unlike other machine suppliers, ANDRITZ is capable of offering its own coating solution PrimeCoat Stratos.

  • Creping. Tissue machine creping - LinkedIn SlideShare

    Nov 09, 2015  Yankee Dryer Wet PressReel Doctor Blade Crepe Structure Formed Creping 3. Yankee Dryer Uncreped Sheet Creped Sheet Blade Holder 4. Creping Changes the Sheet From To 5. Hood Yankee Dryer Former Felt Reel Creping Blade Typical Dry-Crepe Machine 6. •Introduction •Theoretical Model - Macroscopic Model - Microscopic Model •Hardware Geometry ...

  • MINUTES of the YANKEE DRYER SAFETY COMMITTEE April 26 ...

    28 The Yankee Shell CastingThe Yankee Shell Casting On 7th November 2003 the first deep rib Sandusky Yankee shell was cast. 18ft diameter, 6.0 m long, 144 Tonnes. The Casting remains in the Mould for 5 Weeks The Casting remains in the Mould for 5 Weeks The Rate of Flow is Critical.1.2 Tonnes / sec Positioning the Ladles either side of the MouldPeople Cleared ..

  • Yankee Dryer Shell Thickness Measurement Techniques ...

    When the yankee dryer is measured hot it is usually during a crown grind or a refurbishing of the papermaking surface. The yankee dryer is heated by saturated steam at a pressure less than the normal operating pressure. Typically, the grinding pressure is 100 psig to 110 psig (psi-gauge).

  • Yankee dryer failures - An overview to improve tissue ...

    In recent years, as companies have sought to make ever greater quantities of tissue at ever higher quality from a given machine, increasing demands have been placed on the Yankee dryer. The largest Yankees used in tissue production are now 18 feet in diameter (5.5 m), with face widths over 300 inches (7.6 m) and speeds in excess of 7,000 feet ...

  • Yankee Dryer Grinding Machine

    yankee dryer grinding machine - perkinspreschool Chatter marks on Yankee Surface JAEGER Cylinder Service the damage on the Yankee Dryer has to be repaired and the early Already in 2008 the intervals for grinding to re-establish a good surface was reduced to 2 3 That resulted in a limitation of machine availability and productivity falling .

  • Where safety and productivity matters On-Site Yankee Services

    fit into all models of tissue machines without the hassle of dismantling machine parts, which reduces the time needed for grinding jobs. The Mini-Grinder provides similar grinding power as traditional, larger, tangential grinding methods. Additionally, the exhaust sys-tem of the MiniGrinder reduces airborne particles to a minimum.

  • yankee dryer, yankee dryer Suppliers and Manufacturers at ...

    Yankee Dryer Cylinder for Paper Industry / Paper Machine Parts Yankee Dryer Cylinder dryer , heads and journals are made of special cast iron. The inner surface have grooves for the stationary siphones, the front side ends of all dryers contain manholes.

  • Yankee dryer - German translation – Linguee

    Re-grinding the Yankee dryer, to re-condition the [...] surface and re-establish the dryer crown, has become a routine maintenance operation carried out by specialists, usually at intervals between 12 and 36 months, depending on the operating conditions.