First step in wafer mixing is to prepare batter . wheat/ flour ( low gluten type )is mixed with water and other ingredient s in batter mixer to get a thinbatter of suitable consistency . Mixing time could be 2- 5 Minute batter is thentransferred to batter storage tank from where it can be transferred to baking plate.
Cream Preparation
Creams are prepared in mixers where ingredients like flavours , colors , whey powder and soya lecithin are added . Cream of suitable consistency are prepared . Various types creams are popular in wafer biscuit are chocolate s , milk , caramel , orange , banana , strawberry , hazelnut and others . Cream preparation could take place between 10- 12 mins. Cream then can be transferred to reservoir.
BAKING
Batter is then pumped and spread on to baking plate by help spreading nozzles . These plates then moves into baking zone of the oven . Temperature maintained for baaing these wafer baking plates is between 175 - 200 deg c . The baking time kept is 1.75 - 2.0 min . Capacity of oven can be from 50 - 100 plates . Size of plate can also varies from 400 x300 to 300 x 200 mm and thickness is maintained between 2.5 - 3mm. Most of these wafer ovens are electrical oven s. These plates travel upon guide rail and electrical power is supplied through bus bars inside the oven . Baking plates are in contact with bus bar through carbon brushes.
These wafer sheets are the allowed to cool down by moving through one or two arch's .Cooled wafer sheets are then taken to spreading machine . Cream is then spread over wafer sheets at creaming machines Once the block of 2/3/4/5 layers of creamed wafer is made , the block is then moved to cooling block
COOLING TOWER
Wafer sandwich blocks are then cooled to harden and creams get set on wafer block . The cooling block is dehumidified to reduce the moisture absorption by wafers during cooling . Temperature maintained in cooling block is between 10- 15 deg c.
CUTTING AND FEEDING
Fully automated cutting is done at cutting machines .Here we can cut wafer blocks in different sizes. These fingers are then passed on to feed conveyor for packing
PACKING
Horizontal flow wrap are used to pack these fingers .These fingers are packed in heat sealable moisture proof films for good shelf life . These packets are then packed into cbbs for dispatch .
Specifications of wafer products are
size of wafer sheet = length x breadth thickness of wafer sheet= 3mm normally size of fingers= lxb layers of creams layers of wafer sheet ht of fingers with cream pack arrangement = 1pile ,2pile , 3pile wt of sheet wt of finger