“Under-aeration” Shell core making machine, CDRX 1

1. Specifications Sand fill Under Aeration Overall size 2700mm(L)×1270(B）×1450(H)mm Core box size Vertical parting: (L) X (W): 500x500mm (Max) Thickness: 150x150mm (Max) Capacity Dry cycle: 16 seconds Sand charge time, curing time and core take-out time are NOT included. Sand fill capacity 15kg (Max) Hopper capacity 120kg Die heating Gas or electric Core take-out Manually taken out directly from core box from top Air receiver tank Optional

2. Features 1. Greatly reduced size of machine Machine volume 1/8 compared to conventional system CDRX Conventional Machine 1450mm Over 3000mm Hopper Valve unit Head Hopper Valve unit Core box Core box Unloader Head

2. Features CDRX Conventional Machine 2. Simplified structure Simple functions Die – Open/Close Head pressing Sand fill Core strip  Reduced number of maintenance points Head traverse Head rotation Unloader Bucket elevator Die rollover Die cleaning Minimum actuators Cylinder: 2 systems, 3 units Cylinder: 8 systems, 10 units Motor: 3 units Machine weight Approximately 2 tons Approximately 4 tons

2. Features 3. Better filled core by aeration sand filling 　　■　By utilizing aeration sand filling technology, normally inferior sand filling from the bottom is improved or even better. 　　■　Thanks to aeration, sand becomes easier to move by fluidization, improving filling to small area and density of sand. Air tank Core box Aeration Sand

Compact Operation Panel 2. Features 4. Visualization of Quality Compact Operation Panel ■ Improved visibility and better operation ■ Monitoring Die temperature Receiver tank pressure Under-aeration head inner pressure (Optional) Air flow volume (Optional) Touch Panel Sensor value display Graph display

2. Features 5. Effective capture of fume 　　■　Side suction without sacrificing workability and compact size 　　■　Can easily attached to deodorizer (Optional) Deodorizer Suction Proposal example Core box size 400~500 mm sq Core weight 5kg Air volume (assumption) 20m3/min Deodorizer capacity varies depending on conditions and specifications

2. Features 6. Utilization of existing die 　　■　As long as the core box size fit within the specified size, existing die can be used without special modification. 7. Easy accessibility to core 　　■　Core(s) can be easily accessible and are taken out manually off of core box from the top of the machine.

2. Features 8. Hollow core making 　　■　By detaching the head before sand blow nozzle area is solidified, sand can be released, for possible making of hollow core Hollow core Die Inside sand is dumped or released

3. Structure Receiver Tank Core box Air supply valve Storage chamber Aeration chamber Aeration inlets 従来のトップブロー方式に比べ、静かで、砂の充填率も向上し、品質の安定に優れています。 新しい砂充填方法はアンダー方式とエアレーション方式を組み合わせたアンダーエアレーション充填方式を採用し、 これはヘッド形状をアルファベットのＪ型に似せた形状にし、内部に複数のエア噴出部を設け、そこからエアを供給する方式です。 金型下部の右側を吹込室、左側の遠い方を貯留室と呼びます。 Exhaust valve Aeration inlets Under-aeration head

4. Operation sequence 1 Start 2 Head Pressed to die 3 Sand fill Core box Receiver tank Head 4 Exhaust & Curing 5 Head Separation