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STD S8M PU Open Timing Belt

S8M PU Open Belt
S8M-Belt
Welded Jointed PU Timing Belts Open-Linear-Ended-PU-Timing-Belt-HTD-STD-3M-5M-8M-S2M-S3M-S4.5-S5M-S8M-T2.5-T5-T10-AT3-AT5-AT10-MXL-L-H-XL

Specifications

STPD/STS Profile S8M
Tooth Pitch t [mm] 8
Base Belt Thickness H [mm]2.25
Tooth Height h [mm] 3.05
Overall Belt Thickness H [mm] 5.3
Width Tolerance [mm]+/- 0.5
Length Tolerance [mm]+/- 0.5
Thickness Tolerance [mm]+/- 0.2
Hardness92 Shore A
Tensile MembersSteel
ColorWhite
Minimum Number of Teeth22
Minimum Pulley Diameter [mm]56.02
Ultimate Tensile Strength
[N/10mm belt width]
2600
Maximum Allowable Tensile Strength M
[N/10mm belt width]
650
Specific Belt Stiffness Steel Reinforced
[Per unit width/length]
1.63 x 10^5 N
Tooth Width Lr [mm] 5.2
Head Radius Ra [mm] 5.2
Unit Mass kg/m
(Width: 10mm) 
0.052

Standard Widths [mm]:

10 ,15, 20, 25, 30, 40, 50, 55, 75, 85, 100, 115, 120, 150, 170

Standard Lengths [Meters]:

1, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 

Description

PU Timing Belts STD S8M Open are most commonly offered in lengths of 30m, 50m, 100m, 150m and 200m, while custom sizes (lengths, widths and pitches) are available upon request. 

STD8M Open PU Timing Belts usually consist of polyurethane body and steel cord, while custom materials available upon request. Special cords include aramid (kevlar), stainless steel and carbon fiber. 

Part No1Part No2Pitch [mm]Width [mm]Length [m]
10-S8M10-STD8M8101, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
15-S8M15-STD8M8151, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
20-S8M20-STD8M8201, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
25-S8M25-STD8M8251, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
30-S8M30-STD8M8301, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
40-S8M40-STD8M8401, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
50-S8M50-STD8M8501, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
55-S8M55-STD8M8551, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
85-S8M85-STD8M8851, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes
100-S8M100-STD8M81001, 5, 10, 30, 40, 50, 60, 90, 100, 120, 140, 150, 200 Meters | Custom Sizes

Tensile Cords

  • Steel Cords
  • Reinforced Steel Cords
  • Stainless Steel Cords
  • Aramid Kevlar Cords
  • Extra Flexible Steel Cords

Reducing Sliding Resistance

  • Nylon Fabric on Tooth Side (PAZ)
  • Nylon Fabric on Back Side (PAR)
  • Nylon Fabric on Tooth Side & Back Side (PAZ/PAR)

Mechanical properties

  • Friction / adhesion
  • Abrasion resistance
  • Wear resistance
  • Release
  • Cut resistance
  • Compressibility

Physical properties

  • Antistatic
  • Electrical conductivity
  • Flame retardant
  • Cold resistance
  • Hydrolysis resistance

Chemical properties

  • Oil and fat resistance
  • Food approved
  • Easy to clean
  • Acid and base resistance
  • Ozone and UV resistance

Applications

STD S8M polyurethane open timing belts find applications across a wide range of uses, including sorting mechanisms, precise positioning systems, miniature drives, handheld devices, and powerful drives in construction and woodworking machinery.