Lost Wax Casting

Lost Wax Casting

Lost Wax Castings Water Glass Investment Castings Supplier Product Description and Process Lost Wax Castings Water Glass Investment Castings Supplier Production process: lost wax casting process Weight range: from 0.01 kilograms to 50 kilograms Heat Treatment Process: normalizing, annealing,...

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Lost Wax Castings Water Glass Investment Castings Supplier

Product Description and Process

Lost Wax Castings Water Glass Investment Castings Supplier

Production process: lost wax casting process

Weight range: from 0.01 kilograms to 50 kilograms

Heat Treatment Process: normalizing, annealing, tempering etc.

Machining process: CNC machine, machining center, lathe, mill machine, drill machine, etc.

Surface treatment process: Paint coating, electrophoretic paint coating, electrogalvanizing coating, black oxide coating, phosphate treatment, powder coating, etc.


Product Material and Uses

Normally produce with ASTM A27/A27M Grade U-60-30, Grade 60-30, Grade 65-35, Grade 70-36, Grade 70-40, ZG200-400, ZG230-450, ZG270-500, ZG310-570, ZG340-640, etc.

The carbon steel casting products are widely used for Auto-cars, trains, trucks, vehicle components, and mining machinery components, agricultural machinery parts, textile machinery parts, construction machinery parts, etc.


Advantages of Investment Casting

INVESTMENT CASTING VS. SAND CASTING

Sand castings are made by creating a negative in a bed of sand to create the cavity for casting. A sand shell creates a rough exterior to castings.

Typical surface finish of sand castings are 250 Ra as cast, and need extensive work afterwards to create a surface finish that is acceptable in most applications. Sand castings can also not hold as tight of tolerances as Investment Castings, and will likely need more machining than an Investment Casting.

Investment casting uses a ceramic mold that can produce a much smoother finish, typically averaging 125 Ra surface finish as cast. Investment castings also greatly reduce the amount of machining that will be required after casting by holding a .005”/inch tolerance for the majority of applications.


INVESTMENT CASTING VS. DIE CASTING

Die casting is the process in which molten metal is forced into a mold cavity. Using molten metal requires tooling that is made of hardened tool steel, which causes start-up costs to new programs to be extremely expensive. Tools also wear quickly, requiring expensive refurbishments and replacements throughout the life of the tool. Ferrous metals, like carbon steel and stainless steel, cannot be cast using this method, further limiting its usefulness.

Investment casting injects wax into an aluminum cavity. Aluminum has a lower cost, is easier to cut, and less expensive to maintain. Using wax also is easier on tooling, allowing it to maintain consistent parts for many more uses. Investment casting allows for ferrous and non-ferrous metals (aluminum, brass, bronze, etc) to be cast.


Cast Steel Grade Standard

China

GB

Germany

France

NF

ISO Standard

Japan

JIS

Sweden

SS

Britain

BS

America
DINW-Nr.ASTM
UNS

ZG200-400

(ZG15)

GS-38

1.0416

-

200-400

SC410

(SC42)

1306

-

415-205

(60-30)

J03000

ZG230-450

(ZG25)

GS-45

1.0446

GE230

230-450

SC450

(SC46)

1305

A1

450-240

(65-35)

J03101

ZG270-550

(ZG35)

GS-52

1.0552

GE280

270-480

SC480

(SC49)

1505

A2

485-275

(70-40)

J02501

ZG310-570

(ZG45)

GS-60

1.0558

GE320

-

SCC5

1606

-

(80-40)

J05002

ZG340-640

(ZG55)

-

-

GE370

340-550

-

-

A5

-

J05000

Note: in the bracket is the old Grade 


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