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casting die/sand/investment castings

businessSKK Exports   (India )
personMr. Suresh
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homeFlat no:101, A-Wing, Ganesh park Bhagynagar -2,Tilkawadi, Belgaum., Belgaum, KARNATAKA, 590006, India

 

 

Sand casting is a process that utilizes non-reusable sand molds to form metal castings. It is a common production method for metal components of all sizes, from a few ounces to several tons. Sand casting isn’t only versatile in the size of its products – it can also create exceptionally complex or detailed castings, and can be used to cast nearly any metal alloy.

What is Molding Sand?

Molding sand has three important advantages over other mold materials:

  1. it is inexpensive,
  2. it is easily recycled, and
  3. it can withstand extremely high temperatures.

Sand casting is one of the few available processes for metals with high melting temperatures such as steels, nickel, and titanium. Because of its flexibility, heat resistance, and relatively low cost, sand casting is the most widely used casting process.

Castings are produced by pouring liquid metal into a mold cavity. For a casting to be successful, the mold cavity must retain its shape until the metal has cooled and fully solidified. Pure sand breaks apart easily, but molding sand contains bonding material that increases its ability to resist heat and hold shape.

Green sand (an aggregate of sand, pulverized coal, bentonite clay, and water) has traditionally been used in sand casting, however modern chemically bonded molding systems are becoming more popular. The most widely used casting sand is silica (SiO2).

Molding Sand Properties

Strength

The ability of the sand mold to hold its geometric shape under the conditions of mechanical stress.

Permeability

The ability of a sand mold to permit the escape of gases and steam during the casting process.

Moisture Content

Moisture content affects a mold’s strength and permeability: a mold with too little moisture may break apart, while a mold with too much moisture can cause steam bubbles to be entrapped in the casting.

Flowability

The capacity of the sand to fill small cavities in the pattern. High flowability creates a more precise mold, and is therefore useful for detailed castings.

Grain Size

The size of the individual particles of sand.

Grain Shape

This property evaluates the shape of the individual grains of sand based on how round they are. Generally, three grain categories are used in foundry sand:

  1. Rounded Grain sands provide relatively poor bonding strength, but good flowability and surface finish.
  2. Angular Grains have greater bonding strength because of interlocking, but poorer flowability and permeability than rounded grain sands.
  3. Sub-angular Grains are the middle road. They possess better strength and lower permeability relative to rounded grains, but lower strength and better permeability than angular grains.

Collapsibility

The ability of the sand mixture to collapse under force. Greater mold collapsibility allows the metal casting to shrink freely as it solidifies, without the risk of hot tearing or cracking.

Refractory Strength

The mold must not melt, burn, or crack as molten metal is poured into it. Refractory strength measures the ability of molding sand to withstand extreme heat.

Reusability

The ability of molding sand to be reused (after sand conditioning) to produce other sand castings in subsequent manufacturing operations

cnc machines and tools

businessSKK Exports   (India )
personMr. Suresh
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homeFlat no:101, A-Wing, Ganesh park Bhagynagar -2,Tilkawadi, Belgaum., Belgaum, KARNATAKA, 590006, India

In order to keep pace with the requirements of the clients,we offer a wide array of CNC machine.these machines are highly demanded by the clients for its durability and strength.moreover,our range is reckoned amongest the clients for its precision and accuracy.our range is avilable at industry leading prices.

Automation grade automaic:machine type-CNC turning centres,BRAND-YCM,SERIES-GT SERIES.

FEATURES:1)high functional accuracy,2)superior strength,3)easy to use

Ceramic Machinery

businessClay Craft India Private Limited   (India )
personMr. D. C. Sahu
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homeF-766 A, Road No. 1-D, V.K.I. Area, Jaipur - 302013 Rajasthan INDIA , Jaipur, RAJASTHAN, 302 013, India

Double Head Flatware Roller Machine Model No. DHF-10 Specifications :- Dimension MM 1360X1160X1570 Stroke Speed : 12 to 16 RPM Maxi Dia: 280 mm Mini Dia.: 230 mm Elec. Load : 9.4 HP Double Head Flatware Roller Machine Model No. DHF-7 Specifications :- Dimension MM: 1250X950X1550 Stroke Speed : 12 to 16 RPM Maxi Dia: 178 mm Mini Dia.: 127 mm Elec. Load: 8.6 HP Automatic Clay Cutter Model No. ACC-U Specifications :- Dimension MM: 1680X490X1340 Stroke Speed: As per require Elec. Load: 200 w / 220 v Comp. Air Req.: 5 to 6 Kg. Single Head Holloware Model No. SHH-P Specifications :- Dimension MM: 1300X700X1600 Stroke Speed: 6 to 8 RPM Maxi Dia: 100 mm Mini Dia.: 50 mm Maxi. H.: 200 mm (Mug Height 125 mm) Elec. Load: 5.0 HP Glaze Bottom Off Model No. GB-U Specifications :- Dimension MM: 920X780X950 Stroke Speed: 4 to 6 RPM Elec. Load: 0.25 HP
Trolleys

businessSC International   (India )
personMr. Babal P. C
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homeDoor No. 9/69 ; Koorkenchery [P. O] Thrissur - 680007 Kerala INDIA , Thrissur, KERALA, 680007, India

Trolleys are cheap and best source, designed for the ease of material movement. In day to day life trolleys can be useful every where. Industrial as well as commercial trolleys are available within our product range. SC International offers you with a wide range of Kitchen trolleys and Industrial trolleys. Fabricated to customized requirements ranging from 100 kgs to 1 ton our trolleys are equipped with superior construction and quality. We offer you with the simplest design, Premium quality stainless steel construction with all moving castors. Our design maintains complete ease of operation and mobility in all directions. Industrial trolleys can be availed in Mild steel and stainless steel fabrications. Customised designs can be fabricated against requirement
Vertical Tyre Retreading Machine

businessSC International   (India )
personMr. Babal P. C
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homeDoor No. 9/69 ; Koorkenchery [P. O] Thrissur - 680007 Kerala INDIA , Thrissur, KERALA, 680007, India

Kings offers you vertical tyre resoling machines designed with advanced mechanical/pneumatic jaw openers.The enclosure design ensure quality retreads with safe and convenient loading and unloading operation. These machines are available in a range of that covers anything from scooter to truck size tyres.
Tyre Vulcanizing Machine

businessSC International   (India )
personMr. Babal P. C
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homeDoor No. 9/69 ; Koorkenchery [P. O] Thrissur - 680007 Kerala INDIA , Thrissur, KERALA, 680007, India

King manufactures vulcanising machines for repairing and re-installing the patches of partially damaged portion of tyres. These exclusive designed machines of high quality cast iron make will make the tyres serviceable
High Grade Aluminium Mold

businessSC International   (India )
personMr. Babal P. C
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homeDoor No. 9/69 ; Koorkenchery [P. O] Thrissur - 680007 Kerala INDIA , Thrissur, KERALA, 680007, India

King manufactures all type of Aluminium moulds. The moulds are casted with high grade aluminium. Designs are crafted by our skilled workforce. Standard as well as customised design patterns are available within our product range. Moulds are precisely machined and finished to ensure superior tread quality. The available range is for Motor Cycle, Auto rickshaw, Cars, Vans, Trucks, Tractors, Earth Movers.
Tyre Buffing Machine

businessSC International   (India )
personMr. Babal P. C
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homeDoor No. 9/69 ; Koorkenchery [P. O] Thrissur - 680007 Kerala INDIA , Thrissur, KERALA, 680007, India

Direct driven Buffer machines with electrically controlled panel board have double ended rotating shaft electric motor have precision mechanism for uniform / variable speed control. These smooth, safe and efficient machines are ideal for handling 12’’ to 20’’ tyres. Easy rotation and spotless smooth finish can be facilitated with wire bush and rasp on both sides. The buffers are available with tyre locking device or self locking discs.
Tyre Rolling Machine

businessSC International   (India )
personMr. Babal P. C
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homeDoor No. 9/69 ; Koorkenchery [P. O] Thrissur - 680007 Kerala INDIA , Thrissur, KERALA, 680007, India

Kings offers a range of tyre rolling machines with uniform / variable speed for building and stitching treads with efficient reduction gear system. These high efficiency machines ensure uniform pressing by pneumatically controlled rollers fabricated using superior quality raw material. These machines are available in models which can handle from car to truck / Tractor tyre sizes.
Non Ibr Steam Boiler

businessSC International   (India )
personMr. Babal P. C
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homeDoor No. 9/69 ; Koorkenchery [P. O] Thrissur - 680007 Kerala INDIA , Thrissur, KERALA, 680007, India

King manufactures safe and efficient Non IBR steam boilers which are specially designed for long life. These boilers available in different capacities are available in the following designs. Three stage- The Three stage Vertical Tube boilers have separate steam and hot water tanks with suitably located fire chambers. These machines are specially designed to achieve highest efficiency with excellent safety features. They are available in different capacities suitable for chemical, rubber, food, pharmaceutical, cosmetics and other industries. Tested quality Sheets , Seamless tubes,Supreme quality pipe mountings, and calibration accessories are our offering towards safety and reliability. Four Stage- Specially recommended for areas having hard waters, these Vertical tube boilers are designed to operate at highest efficiency safely. It has four stages with suitably located fire chambers, separate steam and hot water tanks designed for all industrial purposes. Economiser enabled design increases efficiency of 4 stage boilers. Tested quality Sheets , Seamless tubes,supreme quality pipe mountings and calibration accessories are our offering towards safety and reliability.