Welded On Profiles and Flighted Belts Guidelines
Design guidelines (Profiled and Flighted Belts)
The drive parameters must first be determined, thus establishing the belt pitch, belt length and pulley sizes. Profiles and flights for Flighted Belts can be welded to any available pitch of timing belt. For transport applications, it is advisable to use BRECO® belts with PAZ (PAZ=nylon coating on the teeth). The nylon coating gives a reduced coefficient of friction, thus allowing better running and wear resistance when used in conjunction with slide beds.
Profiles and Flights Selection
Both the type of product to be conveyed and the method of transportation will influence the choice of profiles and flights. The following possibilities exist:
- Standard profiles and flights These profiles and flights are injection moulded out of polyurethane. A selection of the most popular are shown on pages 158-159. Design around these if possible. Standard profiles and flights can also be modified by drilling or grinding – please send a drawing with your requirements.
- Profiles and flights from sheet material Profiles and flights can be cut from polyurethane sheet material according to requirements. The following sheet thicknesses are available: 3, 5, 8, 10 and 20mm. Extremely complex designs can be manufactured in this way.
- Special manufacture profiles and flights Should you find that none of the standard profiles suit your application, we are able to machine profiles and flights to your requirements; e-mail: for a quotation.
Positioning the profiles over the toothform
The belt flexibility relies on the tooth gap. In order to maintain the belt flexibility around the pulleys, it is advisable to position profiles over the belt teeth.
Profile and belt pitch
If possible, the pitch of the profiles should equate to a whole number of pitches on the belt. If this is not possible, ensure that the sum of the profile pitches equals the required belt length.