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Ribbed Belts (RMA/MPTA IP-26)

V-ribbed belts, also termed as Poly V-belts, can be described as flat cord-reinforced transmissions belts with length wise running triangular-shaped ribs with a top angle of 40º. This construction leads to good support for all cords in the reinforcement and therefore an even load distribution is achieved.

Applications:
The smallest profile PH is used in miniature drives and the next larger PJ in household equipment drives. The
profile PK is mainly used in automotive applications and also used in industrial applications, while the larger
profiles PL and PM are used in industrial and agricultural applications.

The applications include:
House Keeping Electrical Appliances:

Dryers, Health keeping equipments.
Work Tools:
Harvester combines, Power driven sprayers and
Engines for work tools.
Machine Tools:
N C lathes, Milling machines, Drilling machines and
Grinding machines.
Industrial Machines:
High speed Printing Machines, Flour Grinders,
Agitators, Air blowers, Generators, P U Compressors.
Others:
Broadcasting Equipment Drives & Hovercrafts.

Characteristics:
Good flexibility with high power carrying capacity per unit width. Low stretch Temperature up to +100ºC
Speed ratios over 1 : 30 are possible High maximum belt speed upto 50m/s. Only five sections cover the large power range from 0.1 kw up to more than 600 kW. Combines the advantages of flat belts with those of V-belts. Antistatic, Oil and Heat resistant ATEX certified FRAS belts are also available

Applications
For compact drives with high speed ratios
For drives requiring minimum maintenance
For drives in a noise-sensitive environment
For serpentine drives, V-flat drives, and drives with reverse bend idlers
Section J, L and M  - used on general machinery
Section H - Used on domestic appliances, e.g. washing machines, dryers
Section K - Used in automotive industry for ancillary drives

Range

Section Belt
Thickness
(mm) t
Rib
Pitch
(mm)e
Thickness
(mm)
Range (mm)
Effective Length (mm)
Min Max
PH 2.9 1.60 13 280 5080
PJ 3.8 2.34 20 280 5080
PK 5.8 3.56 50 280 5080
PL 7.6 4.70 75 280 5080
PM 13.3 9.40 180 280 5080
 

Special Belts :
Optional Kevlar cord Poly V-Belts by special order.

 

 

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