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Sunnforest Magnesium Tooling Plate
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Sunnforest Magnesium Tooling Plate

Sunnforest Magnesium - the Industrial Mineral Products Division of Sunnforest in China and Singapore

Magnesium is the most light-weight metal among commercially usable metals. For its lightness and recyclability, magnesium is expected to replace plastics, aluminum and steel.very soon.

Sunnforest Enterprises distributes and supply all industrial  Magnesium for marine,automobile and aerospace , including magnesium alloy extrusion, magnesium alloy plate, magnesium alloy tape, magnesium sacrificial anode, magnesium alloy die casting and sand casting, magnesium alloy tools.

We do well in this industry and cooperated with major partners to develop and manufacture magnesium alloy extrusion from 2003.
Magnesium Ingots

Magnesium Tooling Plate


magnesium tooling plate
Sunnforest Magnesium - the Industrial Mineral Products Division of Sunnforest in China and Singapore

Magnesium Tooling Plate

TOOLING PLATE is specially produced to provide a flat plate surface with moderate strength and ductility.The production process results in plate with exceptional dimensional stability in machining and remains stable over time.There is sufficient ductility for limited room temperature forming combined with weldability to allow the manufacture of a multitude of complex parts

APPLICATIONS
Those applications requiring a flat surface or high dimensional stability benefit from the use of tooling plate.Typical uses include jigs, fixtures, optical benches, vibration test equipment and inspection gauges.Tooling plate is non-magnetic and has high electrical and thermal conductivity filling many material requirements in the electronics and computer industries.

DURABILITY
The high strength-to-weight ratio of magnesium minimizes damage to tools during “in use”handling, thereby increasing tool life.Original tolerances are unaffected, even after long use.Tooling plate is non-galling, with a low coefficient of friction, reducing wear over the lifetime of the tool.Alkaline cleaners will not affect the tolerances of toolplate fixtures, allowing cleaning without danger of damaging sensitive surfaces.As a rolled product, tooling plate is free of internal voids which could lead to premature failure.

DESIGN DATA
Minimum mechanical properties are not guaranteed

AMBIENT TEMPERATURE MECHANICAL PROPERTIES
TYPICAL TENSILE PROPERTIES
0.2% Proof stress 130 Mpa
Tensile strength 240 Mpa

TYPICAL COMPRESSIVE PROPERTIES
0.2% Proof stress 70 Mpa

CHEMICAL COMPOSITION
Aluminum 3% nom.
Zinc 1% nom.
Magnesium Balance

HEAT TREATMENT
Tooling plate is delivered in the thermally stabilized condition. User thermal processing is not required.

PHYSICAL PROPERTIES
Specific gravity 1.78
Coefficient of thermal expansion 26.8x10-6K-1
Specific heat 1040JKG-1K-1
Thermal conductivity 76.9Wm-1K-1
Electrical resistivity 92nΩm
Modulus of elasticity 45x109pa
Poissons ratio 0.35
Melting range 566-632 C
Tooling plate has an exceptional capacity for absorbing vibrational energy and dissipating it in the form of heat energy.
This unique characteristic can be effectively utilized by designers for the attenuation of vibration and noise. A comparison with other engineering materials rates tooling plate very well in what can be a critical design factor.

SPECIFIC DAMPING CAPACITY
Cast pure magnesium 100%
Tooling Plate 49%
Gray Cast Iron 10%
Martensitic Stainless 8%
Ductile Iron 2%
Austenitic Stainless 1%
Aluminum 355-T6 0.4%
Titanium <0.2%
Length: 1000mm

OTHER PROPERTIES

WELDABILITY
Gas shielded metal arc and most other welding processes  can be used successfully to produce welds with 95% of the parent plate strength.
Generally weldments will require stress relief for dimensional should be reviewed individually.

MACHINING
Tooling plate, like all magnesium alloy plate, machines faster than any other metal.
Providing the geometry of the part allows, the limiting factor is the power and speed of the machine rather than the quality of the tool material.
The power required per cubic centimeter of metal removed varies from 9 to 14 watts per minute depending on machining operation.This compares favorably with other engineering materials.

TYPICAL MACHINE POWER
Tooling plate 11 w-min-1cm-3
Aluminum plate 20 w-min-1cm-3
Brass 25 w-min-1cm-3
Cast Iron 38 w-min-1cm-3
Mild Steel 69w-min-1cm-3
Tooling plate has excellent dimensional stability during and after machining, even when machines extensively. This, coupled with the superior surface finish readily obtained in machining, makes tooling plate a strong candidate for dimension critical items.

SURFACE TREAMENT
All normal chromating, anodizing, plating, and finishing treatments have been successfully applied to tooling plate.

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