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foundry sand muller patent

  • FOUNDRY SAND PREPARATIONSimpson Technologies

    • Simpson Hartley on-line control and muller automation system in two basic models provides precise control repeatability and versatility for the mixer group. • Simpson Analytics sand testing technology in more than 70 instruments provide accuracy and repeatability in order to control and monitor the sand preparation process.

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  • Molding sandWikipedia

    Molding sand also known as foundry sand is a sand that when moistened and compressed or oiled or heated tends to pack well and hold its shape. It is used in the process of sand casting for preparing the mould cavity. Green sand. Green sand is an aggregate of sand bentonite clay

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  • The "Kooka Muller" a DIY Sand Muller for the Home Foundry

    Jul 24 2019 · In the final episode of the sand muller build I complete the ploughs prep and powder coat the small parts and paint the rest. I also take care of the elect

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  • How to improve green sands through more effective mulling

    Feb 01 1995 · Therefore a foundry must strive to consider the entire sand system before jumping to any rash decisions about the muller. Green Sands of the 90s Many mullers in foundries today have been in service for more than 45 years. After mixing billions of tons of molding sand muller

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  • Continuous sand mullerCarver Foundry Products

    The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows. 1. A continuous muller including a sand conveyor and a mixing head rotatably mounted to said sand conveyor for mixing foundry sand and binder additives for core and mold production said mixing head comprising

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  • Sand Muller ImprovementsYouTube

    Some improvements I just made to my home built muller. It was made a few years ago from a small Harbor Freight mixer. The original build video is here http /

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  • Foundry sand testingWikipedia

    Foundry sand testing is a process used to determine if the foundry sand has the correct properties for a certain casting process. The sand is used to make moulds and cores via a pattern a sand casting foundry there are broadly two reasons for rejection of the casting — metal and sand — each of which has a large number of internal variables.

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  • Sand muller bowl linerCMI International Inc.

    United States Patent . Abstract A thin wall inner is positioned within the circular bowl of a sand muller to overlay the interior mulling surface upon which foundry sand is placed and is mulled by a plow blade that rotates within the bowl over its mulling surface. As schematically illustrated in FIG. 1 a foundry sand muller 10

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  • US Patent for Method for cold reclamation of foundry sand

    Method and apparatus for reclaiming sand from a foundry sand containing inter alia a clay binder by cooling the foundry sand to a temperature at or below -40 gree. C. (-40 gree. F.) followed by separation of the sand from the binder while the sand is maintained at a temperature at or below 0 gree. C. (32 gree. F.). Foundry sands with clay binders have a water content to 1 to 15 by

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  • US Patent for Foundry sand mixes with improved bench life

    Foundry sand mixes comprising a mixture of sand binder and hydrogen peroxide are improved with respect to bench life by the addition thereto at the time of initial preparation of the mixture of non-catalyzing amounts but stabilizing amounts of certain iron chelating agents which are acid or salts of acids selected from those which in their free acid form have an acidic pH less than 3.0

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  • Mini-Mite Sand MullerMidwest Technology Products

    Reusing Sand will Save Your Budget. Recondition molding sand in less than 3 minutes rather than using new sand. Easy-to-use unit will mull molding sand including oil base and core mixture. A must when preparing sand particularly oil base such as Petrobond™ for high-quality castings. Direct-connected gearhead motor for durability safety

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  • Sand MullerSand Muller with Sand Aerator Machine

    Our sand mullers are heavily constructed with suitable motor and gearbox for long and durable life all mullers are provided with stainless steel sheet lining inside main the shell scraper are brazed with carbide tips at bottom side all mullers are available with or without aerator accessories for sand mullar sand aerator which is attached below the muller door where the sand drops on the

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  • Solving Hot-Sand Problems A guide and a solution

    System sand returned to the muller for reconditioning with a temperature of 160°F (approximately 70°C) or greater is considered to be excessively hot. Return sand ranging from 120° to 160°F (approx. 49°-70°C) is hot enough to demonstrate inconsistent properties during mixing and to be very difficult to control. Where does it come from

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  • USASand muller reconditioning method and

    This invention relates to sand mullers. More particularly this invention relates to a sand muller reconditioning method and structure. In the foundry industry and after a casting run has been completed in a sand mold it has long been the practice to remove the sand from the mold and then reuse that sand once again in a new sand mold.

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  • How to build a low buck sand muller 2019YouTube

    Jan 21 2019 · How to build a casting sand muller or reconditioner

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  • Volker Godderidge Inventions Patents and Patent

    Abstract In a process for reclaiming foundry scrap sand containing organic and inorganic binders the comminuted foundry sand is precleaned in a dry state by allowing it to impinge and/or by grain-against-grain friction is regenerated by thermal treatment and is subsequently subjected to a final cleaning in the dry state separated slurry materials being separated from the regenerate by a

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  • Sand Mullers Sand Mullers With Sand Aerator Machines

    We are Manufacturer Supplier Exporter of Sand Mullers With Sand Aerator Machines and our setup is situated in Kolhapur Maharashtra India. Our sand mullers are heavily constructed With suitable Motor and gearbox For long and durable life all mullers are provided with Stainless Steel Sheet Lining inside main the shell Scraper are brazed with Carbide Tips at Bottom Side All mullers are

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  • Continuous sand mullerCarver Foundry Products

    The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows. 1. A continuous muller including a sand conveyor and a mixing head rotatably mounted to said sand conveyor for mixing foundry sand and binder additives for core and mold production said mixing head comprising

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  • Process for the mechanical cleaning of foundry used sand

    The invention relates to a process for the mechanical cleaning of foundry used sand by means of thermomechanical regenerations in which the sand is blown pneumatically against a deflection hood and the mechanical-pneumatic cleaning is performed batchwise in a separate container. The process can be used both as pre-cleaning and as after-cleaning.

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  • Two-tube continuous sand mullerCarver Foundry Products

    This invention relates to foundry equipment and more particularly to a multi-tube continuous sand muller for mixing sand and binder materials to produce molds and/or cores. Recently developed quick setting resin binder systems for sand molds or cores require only short working times and strip times.

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  • Sand Muller ImprovementsYouTube

    Sep 06 2012 · Some improvements I just made to my home built muller. It was made a few years ago from a small Harbor Freight mixer. The original build video is here http /

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  • Greensand Lost Foundry

    Mulling coats each sand grain with bentonite smashing and squishing with weight. In a foundry they use a large tub with 2 large wheels to smash 2 augers to plow (mix upward) a muller. You do not need a muller. Mixing greensand without muller 1. On a clean floor dump 100 lbs of fine silica sand and spread to about 1″ thick (about a 6

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  • How to build a low buck sand muller 2019YouTube

    Jan 21 2019 · How to build a casting sand muller or reconditioner

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  • USAMixer-mullerGoogle Patents

    USA US158266A USA USA US A US A US A US 158266 A US158266 A US 158266A US A US A US A US A US A US A Authority US United States Prior art keywords muller conveyor sand cutters roll Prior art date Legal status (The legal status is an assumption and is not a legal

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  • Sand Mullers Sand Mullers With Sand Aerator Machines

    We are Manufacturer Supplier Exporter of Sand Mullers With Sand Aerator Machines and our setup is situated in Kolhapur Maharashtra India. Our sand mullers are heavily constructed With suitable Motor and gearbox For long and durable life all mullers are provided with Stainless Steel Sheet Lining inside main the shell Scraper are brazed with Carbide Tips at Bottom Side All mullers are

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  • Sand muller bowl linerCMI International Inc.

    United States Patent . Abstract A thin wall inner is positioned within the circular bowl of a sand muller to overlay the interior mulling surface upon which foundry sand is placed and is mulled by a plow blade that rotates within the bowl over its mulling surface. As schematically illustrated in FIG. 1 a foundry sand muller 10

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  • US Patent for Foundry sand mixes with improved bench life

    Foundry sand mixes comprising a mixture of sand binder and hydrogen peroxide are improved with respect to bench life by the addition thereto at the time of initial preparation of the mixture of non-catalyzing amounts but stabilizing amounts of certain iron chelating agents which are acid or salts of acids selected from those which in their free acid form have an acidic pH less than 3.0

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  • Foundry paper riser and system thereforBrown Foundry

    Foundry sand does not possess good insulating characteristics. Densely compacted foundry sand has a K factor (i.e. a heat transfer factor) which varies from 0.6 to 1.2 depending on the density and moisture content. The value of the K factor is such that the foundry sand acts as a chill or heat sink.

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  • What is foundry sand Solex

    May 07 2020 · The sand is bonded to form molds or patterns used for ferrous (iron and steel) and non-ferrous (copper aluminum brass) metal castings. Shake-out sand from completed metal casting are often reclaimed back into the foundry sand process. CASTING METHODS. Green Sand is silica sand with minor ingredient additives such as bentonite clay water and

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  • Foundry sand testingWikipedia

    Foundry sand testing is a process used to determine if the foundry sand has the correct properties for a certain casting process. The sand is used to make moulds and cores via a pattern a sand casting foundry there are broadly two reasons for rejection of the casting — metal and sand — each of which has a large number of internal variables.

    Chat Online
  • USAMixer-mullerGoogle Patents

    USA US158266A USA USA US A US A US A US 158266 A US158266 A US 158266A US A US A US A US A US A US A Authority US United States Prior art keywords muller conveyor sand cutters roll Prior art date Legal status (The legal status is an assumption and is not a legal

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  • Vijay Engineers and Fabricators

    Sand Mullers We are Manufacturer Supplier and Exporter of Sand Mullers for Foundry Sand Plant and Civil Industry. Our setup is situated in Kolhapur Maharashtra India. Majorly we serve customers from African Gulf countries and all over India. Overviews Muller s are primarily designed for mixing green sand for Foundry application.

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  • Sand Casting Terminology Metal casting projects

    Sand Muller Mixing big quantities of sand by hand is quit a task and for that there is a great invention called a Sand Muller. The muller is a clean way of mixing the sand without getting unwanted contaminators into the sand and saving a lot of hard labour time. The muller mixes the sand clay and water with its crushing wheels.

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  • How to improve green sands through more effective mulling

    Feb 01 1995 · Therefore a foundry must strive to consider the entire sand system before jumping to any rash decisions about the muller. Green Sands of the 90s Many mullers in foundries today have been in service for more than 45 years. After mixing billions of tons of molding sand muller

    Chat Online
  • FOUNDRY SAND PREPARATIONSimpson Technologies

    • Simpson Hartley on-line control and muller automation system in two basic models provides precise control repeatability and versatility for the mixer group. • Simpson Analytics sand testing technology in more than 70 instruments provide accuracy and repeatability in order to control and monitor the sand preparation process.

    Chat Online
  • Sand Casting Terminology Metal casting projects

    Sand Muller Mixing big quantities of sand by hand is quit a task and for that there is a great invention called a Sand Muller. The muller is a clean way of mixing the sand without getting unwanted contaminators into the sand and saving a lot of hard labour time. The muller mixes the sand clay and water with its crushing wheels.

    Chat Online