Processing Methods
Processing Methods
Sand (Aluminum Alloy) Casting
The standard casting procedure that we implement for our aluminum casting is the green sand and molding method. With this method the sand, which is mixed with a binder, is packed around the pattern to produce the mold. This is done by hand with pneumatic tools mostly. The patterns are removed from the mold leaving a cavity that will later provide the parts geometry. If the part being cast needs to be hollow or has areas of undercut, a core is used to provide the internal features. One of the great things about the green sand method is that no baking or chemical treatment required to get the mold to its final state so the cost and time between a finished pattern and finished part is greatly diminished.
Sand (Bronze) Casting
Incorporated into our primary sand system is our bronze pouring line. While the majority of our bronze consumption is for electrical transmission & distribution components, we do produce casting for other industries as well. Of the alloys that we pour some of the most common are 955(Aluminum Bronze), 836 (Red Brass), 115 (Red Brass), 875 (Silicon Bronze), 833 (Red Brass/Contact Metal) and 131(Red Brass/Contact Metal). Our average annual consumption of bronze/brass is almost 12,000 Kgs.
Sand (Copper Alloy) Casting
For all Copper-Copper and Bi-Metallic Substation Connectors skillfully designed patterns are used to meet clients requirements yet following required quality standards
Steel Forging
Extra High Voltage Overhead Transmission Line Network depends on Conductor Fittings which are made of very high quality steel to meet tensile loads at first stage and other electrical requirements later on. Either this is about 132kV or 220kV Transmission Line using any kind of ACSR or AAAC Conductors, Shaheen through Press Forging in distinct Dyes and later on with Milling as well as Lath Processing produces simply high quality Fittings and accessories.
Galvanizing
Zinc coating or galvanizing as it is more commonly known, is implemented to create a physical barrier around iron or steel parts to prevent corrosion. The galvanizing tank consists of molten bath of liquid zinc where parts are submerged through a process referred to as hot dipping. To facilitate the needs of our customers we have a complete machine shop in house geared for production. Like the rest of the foundry our machine shop is operational for all three shifts and on average employs 11 people.
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Founded in 1970 by Syed Zulfiqar Ali Shah, Shaheen Traders began as a small business producing patterns for sand casting. As the company grew, nonferrous foundry operations were added and industrial castings became a major part of the business.
The company experienced significant growth in the 1980’s when it began producing a proprietary line of Power System products. Self propelled Power systems were developed; then, as the product lines grew, casting operations increased and steel forming and galvanizing capabilities were added.
We envision Shaheen Traders to maintain the high standards of professionalism, integrity, fairness and committment. We aspire to continue serving our prestigious clients with the highest quality in all our product lines.
We envision Shaheen Traders to maintain the high standards of professionalism, integrity, fairness and committment. We aspire to continue serving our prestigious clients with the highest quality in all our product lines.
