Gravity Casting Aluminum Hinge Part

Gravity Casting is among the oldest known processes for fabricating metals and metal alloys. It involves the pouring of molten metal from a crucible into a mold under only the force of gravity, without the use of pressurized gasses, vacuums, or centrifugal force. Small-scale molds used for this form of casting have most commonly been made of sand, tufa stone, and cuttlebone as well as charcoal and plaster as these materials are generally easy to shape (unlike iron or steel), do not break down when suddenly exposed to high temperatures (unlike glass, wood, or plastic), do not deform easily (unlike silicone) and are widely available.

Gravity casting is a casting process used for non-ferrous alloy parts. Sometimes referred to as Permanent Mould, the process is typically used on aluminum, zinc, and copper base alloys. Let`s take a deeper look at the process and some of its benefits.

A. General

As an international partner with international top contractors, besides comprehensive service of dredging, land reclamation, offshore projects, marine engineering, municipal engineering and environmental remediation projects, based on above experience with strong financial condition, UniSite group also developed the machining equipment and production capability and is able to provide the CNC Machining, die-casting, forging, stamping service as well as many kinds of Machining Parts.

B. Main particulars

	MAIN PARTICULARS
Material for mould	H13,DIEVAR,QDN,8407,2344V,TQ1,2343,SKD61, 45#steel,etc.
Heat treatment for mould	Hardened, HRC50~55
Mould features	Advanced design, Logical structure, High precision, Qualified materials, Long lifetime, Short delivery time.
Material for product	Aluminum & Aluminum alloy A356, A360, A380, A390, ADC-12,ADC10, Zinc & Zinc alloy. ZA-3,ZA-5,ZA-8
Standard	ASTM, ASME, DIN, JIS, ISO, BS, API, EN
Certificate	ISO9001, BV
Dimension	As per drawing, as large as we can
Processing	Step1: Die Casting/Sand Casting/gravity casting Step2: CNC turning, CNC turning and milling compound processing, 3/4/5 axis CNC Milling, drilling, wire-cutting, EDM, grinding etc.
Finishing surface	Machined surface with tectyl891, blasting and painting(Hempel, Inter, Sigma, Jotun), anodize, polishing
Marking	as per clients` requirements
Inspection	material, construction, dimension, heat treatment, hardness, NDT
Quality	ISO9001, BV, PPAP control production
Lead time	5 days for sample, consult with customer for mass production
Delivery	Express for sample, ocean shipping/air for mass production
Our Capabilities	CNC machining, CNC center machining, drilling, milling, turning, grinding, tapping, forging, stamping
Engineering&manufacturing services	R&D process, tooling and gauging design, product design Integrated CAD/CAM system, test and measuring
Others	Recyclable, in line with environmental requirements and standards, and reliable

C. Construction
Construction by machining
D. Workmanship
The workmanship have good production practice. Care are taken to ensure High accuracy and smooth surfaces
E. Certificates
- Material certificates EN10204 3.1
- Measuring reports
- Inspection protocol
- NDT reports
- Fixed certificate: ISO9001, BV certificate, CCS certificate

Photos of Gravity Casting Aluminum Part

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