Company Details

  • UniSite Group

  •  [Zhejiang,China]
  • Business Type:Manufacturer , Trade Company
  • Main Mark: Americas , Asia , East Europe , Europe , Middle East , North Europe , Oceania , West Europe , Worldwide
  • Exporter:81% - 90%
  • Certs:ISO9001
  • Description:Sand Casting Parts,Oem Sand Casting Parts,Stainless Steel Sand Casting,Sand Casting Metal Parts
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Sand Casting Parts

Product categories of Sand Casting Parts, we are specialized manufacturers from China, Sand Casting Parts, Oem Sand Casting Parts suppliers/factory, wholesale high-quality products of Stainless Steel Sand Casting R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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Aluminum Casting Spare Parts

Model No. : USM-243

Aluminum alloy casting parts can be formed by sand casting,which is the most commonly method of casting. In sand casting, re-usable, permanent patterns are used to make the sand moulds.The preparation and the bonding of this sand mould are the...

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Iron sand casting machining parts

Model No. : USM-122

Finally a cover is placed on the box and it is turned and unlatched, so that the halves of the mold may be parted and the pattern with its sprue and vent patterns removed. Additional sizing may be added and any defects introduced by the removal of...

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Stainless steel sand casting machining parts

Model No. : USM-127

Design requirements The part to be made and its pattern must be designed to accommodate each stage of the process, as it must be possible to remove the pattern without disturbing the molding sand and to have proper locations to receive and position...

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Sand casting iron design

Model No. : USM-123

Chills To control the solidification structure of the metal, it is possible to place metal plates, chills, in the mold. The associated rapid local cooling will form a finer-grained structure and may form a somewhat harder metal at these locations....

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Precision sand casting aluminum parts

Model No. : USM-110

The sand is typically contained in a system of frames or mold boxes known as a flask. The mold cavities and gate system are created by compacting the sand around models, or patterns, or carved directly into the sand. Sand casting is the most widely...

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Casting aluminum machining part

Model No. : USM-112

The third step: to allow the pattern to be removed. This is done by screwing a bar with a threaded end into a suitable insert in the pattern, damping the sand around the pattern, and gently rapping the bar in all directions so that the pattern can...

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Sand casting products part

Model No. : USM-118

This is facilitated by designing a draft, a slight angular offset from the vertical to the vertical surfaces of the pattern. This is usually a minimum of 1° or 1.5 mm (0.060 in), whichever is greater. The rougher the surface of the pattern, the more...

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Sand precision casting bronze parts

Model No. : USM-128

The accuracy of the casting is limited by the type of sand and the molding process. Sand castings made from coarse green sand impart a rough texture to the surface, and this makes them easy to identify. Castings made from fine green sand can shine...

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Precision brass sand casting part

Model No. : USM-126

After casting, the cores are broken up by rods or shot and removed from the casting. The metal from the sprue and risers is cut from the rough casting. Various heat treatments may be applied to relieve stresses from the initial cooling and to add...

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Casting Small Iron Parts

Model No. : USM-125

The sand is then removed, revealing a rough casting that, in the case of iron or steel, may still be glowing red. In the case of metals that are significantly heavier than the casting sand, such as iron or lead, the casting flask is often covered...

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OEM casting sand carbon component

Model No. : USM-124

Cores To produce cavities within the casting-such as for liquid cooling in engine blocks and cylinder heads-negative forms are used to produce cores. Usually sand-molded, cores are inserted into the casting box after removal of the pattern. Whenever...

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Precision sand casting carbon

Model No. : USM-121

Molding box and materials A multi-part molding box (known as a casting flask, the top and bottom halves of which are known respectively as the cope and drag) is prepared to receive the pattern. Molding boxes are made in segments that may be latched...

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Precision carbon sand casting part

Model No. : USM-120

Additionally there are extensions to the gating system called vents that provide the path for the built up gases and the displaced air to vent to the atmosphere. The cavity is usually made oversize to allow for the metal contraction as it cools down...

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High precision aluminum sand casting components

Model No. : USM-119

The first step: the pattern is seated on the moulding board. The pattern is covered with facing sand, which is a specially prepared sand of good quality, which can take a clean and smooth impression, and can resist the heat from the molten metal...

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High precision sand casting part

Model No. : USM-117

In a two-part mold, which is typical of sand castings, the upper half, including the top half of the pattern, flask, and core is called cope and the lower half is called drag. The parting line or the parting surface is line or surface that separates...

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High precision sand casting small part

Model No. : USM-116

The cavity in the sand is formed by using a pattern (an approximate duplicate of the real part), which are typically made out of wood, sometimes metal. The cavity is contained in an aggregate housed in a box called the flask. Core is a sand shape...

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Casting machining aluminum parts

Model No. : USM-115

Different scaled rules are used for different metals, because each metal and alloy contracts by an amount distinct from all others. Patterns also have core prints that create registers within the molds into which are placed sand cores. Such cores,...

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OEM casting sand aluminium component

Model No. : USM-114

Pattern From the design, provided by an engineer or designer, a skilled pattern maker builds a pattern of the object to be produced, using wood, metal, or a plastic such as expanded polystyrene. Sand can be ground, swept or strickled into shape. The...

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Sand casting metal parts

Model No. : USM-113

The fourth step: the mould is reassembled, carefully locating and securing the two section. The top section is known as the cope, and the lower section is known as drag. The sand in the cope is vented. These vents allow the sand to be rammed up more...

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Sand casting aluminium design

Model No. : USM-111

The second step: the mould with the pattern still in position is inverted; the exposed sand lightly covered with parting sand, and the exposed pattern with facing sand (the parting sand has no cohesion, and is introduced to permit a clean separation...

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China Sand Casting Parts Suppliers

To control the solidification structure of the metal, it is possible to place metal plates, chills, in the mold. The associated rapid local cooling will form a finer-grained structure and may form a somewhat harder metal at these locations. In ferrous castings, the effect is similar to quenching metals in forge work. The inner diameter of an engine cylinder is made hard by a chilling core. In other metals, chills may be used to promote directional solidification of the casting. In controlling the way a casting freezes, it is possible to prevent internal voids or porosity inside castings.

Main particulars



High accuracy(ISO2768, ISO5817, ISO13920, DIN1690)


GS30Mn5,Aluminium, Iron and other material


As per drawing, as large as we can




Sa2.5 blasted and two or three layers painted with highest quality

Machined surface with tectyl891


as per clients' requirements


material, construction, dimension, non defective test, paint inspection


We have made the pump cover(welded+casted+machined) with big diameter OD3500MM


Recyclable, in line with environmental requirements and standards, and reliable

The photos of our Sand Casting Parts


casting machining aluminum parts

Casting of low fluidity metals.
The main disadvantage to Die Casting is the very high capital cost. Both the casting equipment required and the dies and related components are very costly, as compared to most other casting processes. Therefore, to make die casting an economic process, a large production volume is needed. Other disadvantages are that the process is limited to high-fluidity metals, and casting weights must be between 30 grams (1 oz) and 10 kg (20 lb). In the standard die casting process the final casting will have a small amount of porosity. This prevents any heat treating or welding, because the heat causes the gas in the pores to expand, which causes micro-cracks inside the part and exfoliation of the surface.[4] Thus a related disadvantage of die casting is that it is only for parts in which softness is acceptable. Parts needing hardening (through hardening or case hardening) and tempering are not cast in dies.

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