PPLESC stands for Product, Process, Layout, Environment, Standards and Commercial Factors. With this information you can make an informed belt or chain selection for your application. Some details on these are shown below:
Product
- Weight
- Size
- Shape
- Structure
- Product temperature
Process
- Required speed
- Accumulation of the products
- Heating
- Cooling
- Washing
- Drying
- Temperature
- How are the products loaded on to the belt (Pushed sideways? Dropped from above?)?
- Sideways product movements on the belt
Layout
- Inclining/declining
- Straight running
- Side flexing
- Twisting
- Required width
- Transfer zones
- Physical space for installation
- Length of sections
- If side flexing: radius in the curves and the angle of the curve
Environment
- Surrounding temperature
- Chemicals (e.g. acid, cleaning agents)
- Abrasive elements dust/sand/glass
- Water/humidity
Standards
- FDA or similar approval needed on the material (food contact)
- USDA meat and poultry approval needed
- USDA dairy approval needed
- NSF approval needed
Commercial factors
- Most cost effective product for the job
- Desired lifetime
- Acceptable pricing level to the customer
