ABB Enhances Bakery's Control Of Production Speed

The installation of an ABB general machinery drive with high ingress protection (IP66) has helped The Village Bakery (Nutrition) to save GBP20,000 a year at its Abenbury Way site in Wrexham. The new drive controls the speed of a depositing line, which is a conveyor-based system that divides the dough into the correct weights to make various rolls and loaves. The Wrexham bakery manufactures around 250,000 loaves a week.

The company originally began production at the site 18 months ago with a single depositor, but the new drive has enabled the company to optimise its operations with the addition of a second depositing line based on a reconditioned machine. The Village Bakery (Nutrition) contacted ABB because it realised that improved speed control could boost the efficiency of the new line. The company had identified potential savings of GBP10,000 per year, but the ABB general-machinery drive has successfully delivered twice that figure.

The first saving is a 10 per cent reduction in tin-greasing agent. 'The old drive was so slow and inaccurate that the machine had to start spraying the greasing agent before it "saw" each tin. 'Now, more of the greasing agent ends up where it's supposed to,' said Christien Jones, director and projects engineer. The ABB drive can also optimise the speed of the conveyor to more accurately match the size and throughput of different products.

In this case the unit is programmed with four different speeds, leading to savings of around 25 per cent in the running costs for the line. Finally, having a second depositing line has reduced downtime at the bakery, since production staff can shut down each line independently for cleaning without halting production. As the drive is protected to IP66, frequent wash downs are no problem for the ABB drive system. ABB general machinery drives are specifically designed to be quick and easy to install, set up and commission.

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