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Stainless steel helical gear

Stainless steel helical gear

Stainless steel spiral gears are prone to wear and galling, so different combinations of materials are recommended.

PDF

Japanese Only

Drawing

Dimensional drawing of stainless steel screw gear

Dimensional drawing

Product Specifications

External appearance of stainless steel screw gear

External appearance

Common Specifications
Accuracy ClassJIS B 1702-1 Class N9 (*1)MaterialsSUS303
Gear reference cross sectionNormalSurface TreatmentNone
ProfileStandard GearTooth flank finishMilled
Normal pressure angle20°Gear cutting reference cross sectionHole (H7)
Helix angle45°AlterationPossible

(*1) Former JIS B 1702 Class 5

Standard table

Part numberModuleNo. of teethHelix directionShapeHole diameter
A
Boss Diameter
B
Reference diameter
C
Tip diameter
D
Tooth width
E
Boss length
F
Overall Length
G
Allowable tooth flank strength
(kgf ⋅ m)
Backlash
Lower limit (mm)
Backlash
Upper limit (mm)
Weight
(kg)
  SUN1-13R 113RS161518.3820.381010200.0190.080.180.030
  SUN1-13L 113LS161518.3820.381010200.0190.080.180.030
  SUN1-15R 115RS161821.2123.211010200.0290.080.180.043
  SUN1-15L 115LS161821.2123.211010200.0290.080.180.043
  SUN1.5-10R 1.510RS181621.2124.211510250.0290.080.200.047
  SUN1.5-10L 1.510LS181621.2124.211510250.0290.080.200.047
  SUN1.5-13R 1.513RS1102327.5830.581510250.0630.100.220.087
  SUN1.5-13L 1.513LS1102327.5830.581510250.0630.100.220.087
  SUN1.5-15R 1.515RS1102531.8234.821510250.0950.100.220.12
  SUN1.5-15L 1.515LS1102531.8234.821510250.0950.100.220.12
  SUN1.5-20R 1.520RS1123042.4345.431510250.220.100.220.20
  SUN1.5-20L 1.520LS1123042.4345.431510250.220.100.220.20
  SUN2-10R 210RS1122228.2832.282015350.0680.100.220.11
  SUN2-10L 210LS1122228.2832.282015350.0680.100.220.11
  SUN2-13R 213RS1123036.7740.772015350.140.120.260.22
  SUN2-13L 213LS1123036.7740.772015350.140.120.260.22
  SUN2-15R 215RS1123542.4346.432015350.220.120.260.30
  SUN2-15L 215LS1123542.4346.432015350.220.120.260.30
  SUN2-20R 220RS1154556.5760.572015350.490.120.260.53
  SUN2-20L 220LS1154556.5760.572015350.490.120.260.53
  SUN2.5-10R 2.510RS1122635.3640.362216380.130.120.240.20
  SUN2.5-10L 2.510LS1122635.3640.362216380.130.120.240.20
  SUN2.5-13R 2.513RS1153545.9650.962216380.270.140.280.35
  SUN2.5-13L 2.513LS1153545.9650.962216380.270.140.280.35
  SUN2.5-15R 2.515RS1154053.0358.032216380.410.140.280.48
  SUN2.5-15L 2.515LS1154053.0358.032216380.410.140.280.48
  SUN2.5-20R 2.520RS1206070.7175.712216380.920.140.280.93
  SUN2.5-20L 2.520LS1206070.7175.712216380.920.140.280.93
  SUN3-10R 310RS1153442.4348.432518430.220.120.260.34
  SUN3-10L 310LS1153442.4348.432518430.220.120.260.34
  SUN3-13R 313RS1204555.1561.152518430.460.140.320.58
  SUN3-13L 313LS1204555.1561.152518430.460.140.320.58
  SUN3-15R 315RS1205063.6469.642518430.690.140.320.79
  SUN3-15L 315LS1205063.6469.642518430.690.140.320.79
  SUN3-20R 320RS1206084.8590.852518431.530.140.321.39
  SUN3-20L 320LS1206084.8590.852518431.530.140.321.39

Linking with dimensional drawings

Cautions/prohibitions

Cautions/prohibitions

  1. 1. Using the same material for screw gears may cause wear and galling, so the combination with other materials is recommendable.
  2. 2. The allowable torque shown above is a reference value calculated under arbitrary usage conditions. Please check the precautions for details.
  3. 3. The backlash shown above is the normal backlash when assembled with the same part number at theoretical value.
  4. 4. When using for skewed shafts (screw gears), it becomes a combination of helices in the identical direction (right and right or left and left), and when using for parallel shafts (helical gears), it becomes a combination of different helices (right and left).
  5. 5. The tolerance of ø4 or less hole diameter (diameter 4 mm) is H8. Also, if the hole diameter is ø5 (diameter 5 mm) or ø6 (diameter 6 mm) and the hole length (overall length) is more that 3 times the hole diameter, the tolerance is H8 as well.

Precautions for alteration

  1. 1. For alteration to screw gears, it is necessary to check "precautions for alteration" in the precautions for safety before alteration.
  2. 2. Please refrain from processing to narrow the tooth width because it will affect the accuracy and strength of the gear.
Part Number
SUN1-13L
SUN1-13R
SUN1-15L
SUN1-15R
SUN1-20L
SUN1-20R
SUN1.5-10L
SUN1.5-10R
SUN1.5-13L
SUN1.5-13R
SUN1.5-15L
SUN1.5-15R
SUN1.5-20L
SUN1.5-20R
SUN2-10L
SUN2-10R
SUN2-13L
SUN2-13R
SUN2-15L
SUN2-15R
SUN2-20L
SUN2-20R
SUN2.5-10L
SUN2.5-10R
SUN2.5-13L
SUN2.5-13R
SUN2.5-15L
SUN2.5-15R
SUN2.5-20L
SUN2.5-20R
SUN3-10L
SUN3-10R
SUN3-13L
SUN3-13R
SUN3-15L
SUN3-15R
SUN3-20L
SUN3-20R
Part NumberMinimum order quantityVolume DiscountDays to ShipRoHSModule Number of Teeth
(Teeth)
Twisting Direction Shaft Bore Dia., Shaft Dia. Tooth Width
(mm)
Boss diameter B
(φ)
Hole diameter A
(φ)
Accuracy Grade Shaft Hole Specifications
1 Piece(s) 9 Day(s) or more 10113Left610156N9 GradePilot Hole Product
1 Piece(s) 13 Day(s) or more 10113Right610156N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10115Left610186N9 GradePilot Hole Product
1 Piece(s) 13 Day(s) or more 10115Right610186N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more -120Left810258Class N9Pilot hole product
1 Piece(s) 13 Day(s) or more -120Right810258Class N9Pilot hole product
1 Piece(s) 9 Day(s) or more 101.510Left815168N9 GradePilot Hole Product
1 Piece(s) 13 Day(s) or more 101.510Right815168N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 101.513Left10152310N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 101.513Right10152310N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 101.515Left10152510N9 GradePilot Hole Product
1 Piece(s) 13 Day(s) or more 101.515Right10152510N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 101.520Left12153012N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 101.520Right12153012N9 GradePilot Hole Product
1 Piece(s) 13 Day(s) or more 10210Left12202212N9 GradePilot Hole Product
1 Piece(s) 12 Day(s) or more 10210Right12202212N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10213Left12203012N9 GradePilot Hole Product
1 Piece(s) 12 Day(s) or more 10213Right12203012N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10215Left12203512N9 GradePilot Hole Product
1 Piece(s) 13 Day(s) or more 10215Right12203512N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10220Left15204515N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10220Right15204515N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 102.510Left12222612N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 102.510Right12222612N9 GradePilot Hole Product
1 Piece(s) 13 Day(s) or more 102.513Left15223515N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 102.513Right15223515N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 102.515Left15224015N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 102.515Right15224015N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 102.520Left20226020N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 102.520Right20226020N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10310Left15253415N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10310Right15253415N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10313Left20254520N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10313Right20254520N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10315Left20255020N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10315Right20255020N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10320Left20256020N9 GradePilot Hole Product
1 Piece(s) 9 Day(s) or more 10320Right20256020N9 GradePilot Hole Product

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  1. 1

Basic Information

Material(mm) Stainless Steel Heat Treatment(φ) No Ground Tooth Presence
Surface Treatment No Shaft Bore Config. Round hole Gear Shape Shape B
Hole Dia. Tolerance H7 Metal system material SUS303 Torsional Angle(°) 45
Keyway(mm) NA

Frequently asked question (FAQ)

Question: What gears are suitable for use in food processing machinery?
Answer: For food processing machinery, which must be free of rust and oil, stainless steel and plastic gears are ideal.
KHK also offers a large number of various gears that are stainless steel and MC nylon, so please feel free to use them.

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