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Gravity Casting Services | Permanent mold casting

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Gravity Casting Services

Changzhou Yuecheng manufactures gravity casted parts for a wide range of industries, including, but not limited to, automotive, hydraulic, railway, electronic, and commercial. Common parts we manufacture with the gravity casting process include engine housing, brackets, cooling systems and large utility equipment. Our part size capabilities range from 25mm to 750 mm (1” to 30”). We offer general tolerance per ISO 2768 /ASME Y14.5-2009

 

Process

Also known as permanent mold casting, gravity casting begins with two sides of a steel mold that are made to fit together precisely, while also opening and closing easily. These steel molds are used over and over to create many metal parts. Prior to pouring the molten metal, the molds are coated with a refractory spray that allows the mold to retain its strength in high temperatures. The molds are then placed together and a feed or upriser is inserted. Molten metal is poured through the feed into the gravity casting tool. Once the metal part solidifies, the mold is opened and the casted part is removed. Once the feeds are removed, the part is cleaned and finished to the customer’s specifications.

 

Advantages of Gravity Casting

Gravity casting uses steel and graphite molds to create simple, yet durable metal components. One advantage of gravity casting over other casting processes is that the mold used to create the parts is permanent. These high-quality molds, most often made of steel, can be used over and over to produce the same part. This makes the product quality consistent and allows for faster production times. Gravity casted metal parts also offer good dimensional accuracy and tend to have smoother surfaces than sand casting parts

 

Item Name

 Gravity casting 

 

 

 

General Products Application

Metal Parts Solution for Vehicle,   Agriculture machine, Construction Machine, transportation equipment, Valve   and Pump system, Agriculture machine metal Parts, engine bracket, truck   chassis bracket, gear box , gear housing , gear cover, shaft, spline shaft ,   pulley, flange, connection pipe, pipe, hydraulic valve, valve housing   ,Fitting , flange, wheel, fly wheel, oil pump housing, starter housing,   coolant pump housing, transmission shaft , transmission gear, sprocket,   chains etc.

Main blank Process for Aluminum Casting

Die Casting, Permanent Molding /Gravity   Casting, Low Pressure Casting, 
  High Pressure Casting/Sand Casting, Extrusion Casting etc.

Blanks Tolerance -Casting Tolerance

CT4-6 for Permanent Molding, Die   Casting, CT 9-11 for Sand Casting

Applicable Material for casting

A356.0/ZL101,GAlSi7Mg   (3.2371.61)/AlSi7Mg/, A-S7G, Al Si Alloy, Al Cu Alloy ZL201 Al Mg Alloy   ZL301,ZL302, Al Zn Alloy ZL401Zn Alloy Zamak 3, Zamak 5, Zamak 7, Zamak   2, Or according to customer requirements

Casting Blank Size /Dimensions

2 mm-1500mm / 0.08inch-60inch , or   according to customer requirements

Casting Blank Weight

Range from 0.01kg-50kg

Applicable Machining Process

CNC Machining/ Lathing/ Milling/   Turning/ Boring/ Drilling/ Tapping/ 
  Broaching/Reaming /Grinding/Honing and etc.

Machining Tolerance

From 0.005mm-0.01mm-0.1mm

Machined Surface Quality

Ra 0.8-Ra3.2 according to customer   requirement

Applicable Heat Treatment

T5~T6

Applicable Finish Surface Treatment

Shot/sand blast, polishing, Primer   Painting , Powder coating, ED- Coating, 
  Finish Painting, Anodize (White or Black Color)

MOQ

For casting parts: 100pcs
  For Machining parts: 50pcs

Lead Time

45days

gravity casting productGRAVITY CASTING PROCESSsurface treatmentpacking


The casting, machining and finishing specialists
If you have any questions about our product any services,please contact us immediately and send to  
sales@cnyuecheng.com

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