1.Timing Belt Pulleys Materials:
Type
Characteristics
Aluminum
suitable for moderate power transmission
light weight / reduced rotational inertia
moderate chemical and corrosion resistance
standard material for stock pulleys
Steel
suitable for high power transmission
durable
limited chemical and corrosion resistance
aesthetic material
Stainless Steel
suitable for high power transmission durable
meets FDA regulations
excellent chemical and corrosion resistance
aesthetic material
Delrin
suitable for high power transmission
excellent chemical and corrosion resistance
nonmetallic
stainless steel flanges recommended
2.Timing Belt Pulleys Surface Finishes:
Type
Available for
Characteristics
Anodized
Aluminum Timing Belts Pulleys
increased chemical and corrosion resistance
available in natural, black, or colored
limited increase of surface hardness
aesthetic treatment
Hard Anodized
Aluminum Timing Belts Pulleys
excellent chemical and corrosion resistance
increased surface hardness
for abrasive environments
stainless steel flanges recommended
Black Oxide
Steel Timing Belts Pulleys
increased chemical and corrosion resistance
aesthetic treatment
Zinc plated
Steel Timing Belts Pulleys
increased corrosion resistance
Chromate
Steel Timing Belts Pulleys
increased chemical and corrosion resistance
Type
Characteristics
Aluminum
suitable for moderate power transmission
light weight / reduced rotational inertia
moderate chemical and corrosion resistance
standard material for stock pulleys
Steel
suitable for high power transmission
durable
limited chemical and corrosion resistance
aesthetic material
Stainless Steel
suitable for high power transmission durable
meets FDA regulations
excellent chemical and corrosion resistance
aesthetic material
Delrin
suitable for high power transmission
excellent chemical and corrosion resistance
nonmetallic
stainless steel flanges recommended
2.Timing Belt Pulleys Surface Finishes:
Type
Available for
Characteristics
Anodized
Aluminum Timing Belts Pulleys
increased chemical and corrosion resistance
available in natural, black, or colored
limited increase of surface hardness
aesthetic treatment
Hard Anodized
Aluminum Timing Belts Pulleys
excellent chemical and corrosion resistance
increased surface hardness
for abrasive environments
stainless steel flanges recommended
Black Oxide
Steel Timing Belts Pulleys
increased chemical and corrosion resistance
aesthetic treatment
Zinc plated
Steel Timing Belts Pulleys
increased corrosion resistance
Chromate
Steel Timing Belts Pulleys
increased chemical and corrosion resistance