CV SYEDA UTAMA

http://indotrade.com/magnetsyedautama

CV Syeda Utama is the Sole Agent for NdFeB Magnet from China.

Our company specializes in manufacturing strong magnet/ permanent magnet with range of products relates all magnetic application field, especially in DC Motor and we provide high precision products especially in Micro-application.

Our Products:
The sintered NdFeB magnet has the high remanence, high coercive force, high energy product and high ratio between performance value and product cost.
It may be easily formed into various sizes and especially suitable for use in Micro products of:
Auto, Motor, National defense, Speaker, Computer, Biology project, Medical treatment machine, Instrument and Meter etc.

Product Application:

DC Motor
Electronical device
Speaker
Magnetic Separator
Medical equipment
Generator
Iron filter in ore
Accessories

In-house Process

Melting:
The materials are exposed to mid frequency and melted in an induction furnace.

Jet Milling:
After completion of various process steps, the ingots are pulverized into particles that are several microns in size. In order to prevent oxidation from occurring, the small particles are protected by nitrogen.

Pressing:
The magnetic particles are placed in a jig and a magnetic field is applied while the magnets are pressed into shape. Through this process, we achieve magnetic anisotropy.

Sintering:
The magnetic particles are placed ingots that have been pressed are heat treated in a sintering furnace. The density of the ingots prior to sintering is about 50% of true density but after sintering; the true density is 100% . Through this process the ingots' measurement shrink by about 70% -80% and their volume is reduced by about 50% .
Aging the magnets after sintering adjusts the properties of the metals in a jig and a magnetic field is applied while the magnets are pressed into shape. Through this process, we achieve magnetic anisotropy.

Inspection:
Basic magnetic properties are set after the sintering and aging processes are complete. Key measurements including remnant flux density, coercivity, and maximum energy product are recorded.
Only those magnets that pass the inspection are sent to subsequent processes including machining and assembly.

Machining Process

Machining:
Due to shrinkage from the sintering process, required measurements are achieved by grinding the magnets with abrasives.
Diamond abrasives are used for this process because the magnet is very hard.

Plating:
To best suit the environment in which they will be used, the magnets are subject to various surface treatments.
Nd-Fe-B magnets are generally susceptible to rust so they are surface treated with nickel or paint.

Size testing:
Magnets that have been machined and plated are measured and visually inspected.
To ensure the high precision, we have to test the size in order to control the tolerance.
So far our normal tolerance reaches + / -0.03.

Magnetization:
Magnets that have been machined and plated are measured and visually inspected.
In addition, magnetic properties, corrosion and maximum energy are tested to specifications.

Packing:
Magnets that have passed product testing are packaged and shipped. Flux leakage shields are utilized for air shipment when required.

CV SYEDA UTAMA
Pulo Nangka Timur 75
Jakarta Timur â € “ Indonesia 13210
Phone. + 6221 6866 9681
Fax. + 6221 475 0104
Mobile. + 62815 8753 999
+ 6221 928 77 202
Email. Syedautama@ gmail.com

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