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CleanCast

Innovation of Heat Treatment

CEC has been innovating the heat treatment of aluminum and iron casting for over 20 years. As of 2017 CEC has installed systems for processing aluminum cylinder heads, engine blocks and wheels that can solution heat treat more than 57 million of these castings each year. This business area continues to grow for CEC as foundries and car companies struggle to lower costs and improve quality.

After using our Sand Lion® systems for more than 15 years a major German car company stated in their foundry society presentation that the CEC 3 in 1 is still the most economical and environmentally friendly method of heat treatment for aluminum castings available in the world; we certainly agree.

Our processes are backed by thousands of tests done independently by CEC or with the cooperation of our customers. CEC will analyze your manufacturing needs, apply our systems and give you written guarantees on costs, pollution and machinery parameters (temperature uniformity, efficiency, up-time, etc.). CEC will even run the machines for you for several years to optimize the process and your interface.

If you are planning a foundry, call us early so that we can show you how to reduce casting transfer costs, manpower, floor space and pollution. CEC often can take all of the foundry heat and gas flow through process machines and have all pollutants exit the building in one stack. Typically the CEC foundry layout using 3 in 1 or CleanCast® technologies will occupy one-half to two-thirds of the floor space of a conventional foundry. The cost per casting to heat treat, decore and reclaim the sand for a casting processed in a CEC machine is usually half or less than conventional foundries with separate cooling lines and knock-out machines.

Cleancast Head Flow

CleanCast® (CC) has been used to process Cast Aluminum Heads. The CC machine will receive the casting from the mold filling station. The same manipulator that removes the casting from the die or mold filling station will load the casting into the CC machine. The casting is conveyed through the furnace without a tray or basket. The casting rides directly on the conveyance surface. Inside the machine the casting will be simultaneously heat-treated, decored and the sand will be reclaimed for reuse. The pollution from binders is remediated, the energy from remediation is recuperated in the process. The customer is left with a clean, smoke free and optimum foundry environment both inside his plant and outside. The CC three in one machine can interface with a carousel, in-line shuttle or precision Sand Mold filling station. 

CEC has installed 18 lines for the processing of cylinder heads which are made in precision Sand Molds (PSM), Semi Permanent Molds and Permanent Molds with gravity or low pressure mold filling. New innovations by CEC include processes for improving mechanical properties for high pressure aluminum die cast blocks and Compact Graphite Iron blocks and heads.

Under Carriage

CleanCast® (CC) has been used to process Cast Aluminum undercarriage components such as wheels, knuckles, stabilizer bars and axles. The CC machine will receive the casting from the mold filling station. The same manipulator that removes the casting from the die or mold filling station will load the casting into the CC machine. The casting is conveyed through the furnace without a tray or basket.

The casting rides directly on the conveyance surface. Inside the machine the casting will be heat-treated. No cooling line is needed. If desired feed-sprues or gating can be chopped off prior to entrance into the CC machine. The customer is left with a compact, clean and environmentally friendly foundry both inside and outside. The CC three in one machine can interface with a carousel, in-line shuttle or precision Sand Mold filling station.

CEC has installed 16 solution heat treatment lines for the processing of undercarriage castings which are made in Semi Permanent Molds and Permanent Molds with gravity or low pressure mold filling. New innovations by CEC include processes for improving mechanical properties for high pressure aluminum die cast parts and Compact Graphite Iron blocks and heads.

Casting Processing

CleanCast® machines have been developed to allow castings to come directly from the mold dies into the heat treatment machine. CleanCast® machines do not require a tray or basket as the casting rides on a conveyance surface such as chains, rolls or moving hearth.

CEC CleanCast® casting processing machines can receive:

Iron castings for stress relieving
Aluminum blocks in sand molds or semi-permanent molds
Aluminum heads in sand molds or semi-permanent molds
Aluminum wheels
Aluminum castings of all sorts; cored or uncored