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Customized Iron Construction Hardware Spare Parts For Construction Lost-Foam Casting

Packaging: 
Standard export packing or according to customers' specifict requirments.
Supply Ability: 
10 Pack/Packs per Day
Port: 
Qingdao Port

Product Description

Product Show
Product Name
Customized Iron Construction Hardware Spare Parts For Construction Lost-Foam Casting
Quality Assurance
ISO9001:2015 Certified




Material
Aluminum Alloy:5052 /6061/ 6063 / 2017 / 7075 / etc.
Steel Alloy: Carbon Steel / Die Steel / etc.
Nickel Alloys: N10276 / N06600 / N06625 / N08800 / etc.
Cast Irons: ASTM A48 / ASTM A47 / ASTM A339 / etc.
Copper alloys: ASTM B1/ B2 / B3 / B152 / etc. (less common)
Stainless Steels: 301 / 410 / 440 / etc. (less common)
We handle many other type of materials. Please contact us if your required material is not listed above.
Surface Treatment
Blacking,polishing,anodize,chrome plating,zinc plating,nickel plating,tinting
Inspection
Caliper, Inner diameter micrometer, OD diameter, Height Vernier Caliper, Hardness Tester, Ring Gauge, Infrared Spectrometer, Profile Projector Machine, Coordinate Measuring Machine, Roughness Meter, etc.
File Formats
Solid Works,Pro/Engineer, AutoCAD(DXF,DWG), PDF,TIF etc.
Machining Equipment
Machining Center / CNC Lathes / Grinding Machines / Milling Machines / Lathes / Stamping Machines/ Full Automatic Lathe /etc.


Application 
Agriculture Machinery: Cylinder Heads, Oil Pump, Clutch Housing, Steering Box
Denfense: Blank Receiver, Trigger Guards
Heavy Machinery: Rock breaker, Bearing Housings
Marine Machinery: Marine Manifolds, Marine Motors
Oil Gas:
Gate Valve, Wellhead Control EQP, Wellhead EQP
Transportation: Cylinder heads, Engine support, Intake manifolds, Suspension arm
Standard
ASTM, ASME, DIN, JIS, ISO, BS, API, EN,GB
Capability
Output 120 tons per month.


Company Advantage
1. Quotation within 48 hours. 
2. Quality you can rely on. 
3. Zehan provides 100% satisfaction at world competitive prices. 
4. We pay meticulous attention to details throughout the whole manufacturing process. 
5. Rigorous QC standards, 100% inspection before shipping. 
6. Strict delivery time control for each and every order.
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Process Show

What is Lost Foam Casting?

Lost Foam Casting (LFC) is a casting process which using a polystyrene foam pattern imbedded in traditional green sand. The polystyrene foam pattern left in the sand is decomposed by molten metal. The molten metal replaces the foam pattern and precisely duplicates all of the features of the pattern.

Advantage of Lost Foam Casting

The lost foam process holds unique advantages over other manufacturing and casting processes.
1. Neither additives, binders, nor cores are required.
2. Once installed, lost foam casting offers flexibility in casting design and is environmentally friendly.
3. Scrap volumes are minimized; the equipment’s footprint is small; energy and manpower requirements, as well as insurance premiums are reduced; as are the machining and finishing requirements.
Application Field
Manufacturing Process
1. Pattern making:design and make pattern according to our customers’ samples or drawings by cooperated mould factory. 2. White foam model making:fill the mold cavity with EPS bead and heating so that make the bead again filled the space between beads to form a smooth surface.Take out the foam model after cooling. 3. Coating:stick foam molds to the riser to become a model cluster and coat with fireproof paint,then dry the model cluster in the 45-50℃ baking room. 4. Put some sand into box first to reach thickness 100~150mm and then place the model cluster in the sand,pour sand again to fully cover and seal the box totally. 5. Vacuate the box and pouring metal liquid,in this case EPS model will gasify in the fuction of metal liquid, gasification gas will through coating sand enter negative pressure system,the metal liquid will replace the position of EPS model and finally form lost foam castings,whose dimensions will be the same with EPS model. 6. Pour out the sand and model cluster,cut the castings from cluster,,put all the formed lost foam castings into the shot blasting machines to make surface smooth. 7. Test the finished lost foam castings and prepare for delivery to customer’s destinations after package.
Processing Capability
Testing Equipment
Company Profile
Qingdao Zehan Machinery Manufacturing Co., Ltd is an export-oriented high-tech enterprise specializing in fabrication of high-end metal parts, keeping a long-term and stably strategic cooperation with a number of world-famous enterprises since 2006. Our products are widely used in precision equipment, engineering machinery, construction, power facility, medical, animal husbandry, aviation, rail traffic and other industries. They have been widely sold in high-end market like North American and European countries.
Zehan has employee forces with excellent professional competence, strong executive ability, and high working efficiency. More than 80% of them achieved junior college degree or above. In addition to the standard regulation and professional guidance of daily production work, Zehan also provides,employees with regular training on technical basic theory and practical operation technology for years, which improves the front-line employees' overall professional quality while they working, and further improves the products’ quality and stability. It is our consistent tenet to pursue quality and make every product with high-quality materials, scientific design and exquisite process. 
Qingdao Zehan Machinery Manufacturing Co., Ltd. sincerely welcomes more friends to cooperate with us, and create a better future together.
FAQ

1.What size range of parts can be produced by the lost-foam process?

Lost-foam castings can be produced in most all metals from a fraction of a Kilogram up to several TONS. Slightly more advanced techniques are used for very large castings.
2. What is the cost of using the lost-foam casting comparing to other process?
Lost-foam castings are generally more expensive than forged parts, or parts made by other casting processes. The value inherent in the lost-foam process versus other processes is seen in tighter tolerances, weight reduction and as-cast features which all results in less machining and cleanup time. Many castings that require milling, turning, drilling and grinding can be made in the lost-foam process with only 5-8 mm of machine stock. It is imperative that the features to be cast are discussed by all parties
to determine the net finished product cost.

3. What type of surface finish can be achieved for lost-foam casting?
Because a permeable refractory coating is applied around the smooth foam pattern, the resultant finish is excellent. Each casting facility is different, but generally lost-foam process castings have a surface finish within the 60-250 RMS range. If surface finish, due to cosmetic requirements, is a critical issue then surfaces can be targeted to maintain an exceptionally smooth finish.

4. Are there porosity or shrinkage problems for lost-foam casting?
Lost foam castings are used in many critical applications in automotive, construction, heavy truck, railroad and marine applications. The process has fewer gating and feeding restrictions, and casting soundness is normally easier to achieve than with traditional molding methods.

5. What type of tooling is required for lost-foam process?
Typically, tooling is composed of a split-cavity machined aluminum die that is the negative mold from which the foam pattern is produced. The tooling is highly specialized and must be constructed by experienced tooling manufacturers familiar with the requirements of the foam molders and foundries. Most tooling for lost-foam process patterns will compare favorably with permanent and Die Cast tooling. Prototype and simple tools may be in the few thousand Rupees range while high-end tooling for complex or very large parts can be in the several Lack Rupees range. As a result of the materials used and the process stresses, lost-foam process tools can be expected to have 3 to 4 times the cycle life of permanent mold or die casting tools.
6.What materials can be poured as a lost foam casting?
Commonly cast metals include cast irons, aluminum alloys, steels, and nickel alloys. Less frequently cast metals include stainless steel and copper alloys. Metal pouring temperatures of at least 1000 degrees F are usually required to decompose the lost foam patterns and gating systems.

Contact us if you need more details on Lost-foam Casting. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Iron Lost-foam Casting、Customized Iron Lost-foam Casting. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Lost Foam Casting Parts

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