A revolution is beginning in custom zinc die casting and CRECOCAST, Seville, Ohio is on the cutting edge of the innovative changes. Engineering terminology and capabilities including net shape, flash free, minimum tolerances, thin walls, and cost efficiencies are already common terms in CRECO's vocabulary. Effective casting with newer alloys such as ZA-8 bring added feasibility to decisions. Finished parts are supplied with component required exactness.

State of the Art Four Slide Precision Technology

Four slide crosshead allows core pull movements to be economically incorporated into complex dies. The integrated hydraulic system provides consistent clamping pressure, fastest cycle speeds and highest quality.

CRECOCAST Technology

The Process

• precise, close dimensional tolerances
• thin wall construction
• opportunity to incorporate multi-part items into a single casting
• ability to produce small cored holes, minimum side wall draft
• long lasting, low maintenance dies
• proven for all styles and applications: threaded, bayonet, plain
• eliminates secondary operations

The Material

• inexpensive and readily available
• ideally suited to electronic components
• excellent EMI/RFI shielding characteristics
• easily plated/superior finish/highly aesthetic
• stronger, stiffer, tougher than many conventional materials
• several alloys to choose from, application specific

Comparisons of Zinc Die Castings and
Other Common Materials Used
All Properties are Approximate.

Characteristic	Zinc Alloy Die Casting Zamak#3 ZA#8		Brass Screw Mach.	Brass Stamping	Aluminum Screw Mach.	Aluminum Stampings	Steel Screw Mach.	Steel Stamping
Ult. Tensile Strength psi	41,000	54,000	60,000	70,000	55,000	28,000	65,000	72,000
Elong. in 2 in. %	10	6-10	30	45	15	30	17	24
Hardness BHN	82	95-110	110	68	95	47	183	123
Specific Gravity	6.7	-	8.4	8.4	2.7	2.7	7.8	7.8
Electrical Conductivity	27	28	27	-	63	-	12	-

The Benefits

• cost savings
• durable
• reliable

This technical information has been contributed by
Crecocast
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