High-precision duplex worms with superior strength. A range of backlash values can be obtained by moving the worm axially.
Unit of Measure
Specifications
Gear Type |
N/A Worm Gears |
Construction |
N/A Duplex Worms |
Bore Type |
N/A Plain |
Nominal Axial Module |
N/A 4 |
Number of Start |
N/A 1 |
Nominal Lead Angle |
N/A 3°41' |
Hand of Thread |
N/A Right Hand |
Shape |
N/A W4 |
Precision Grade |
N/A KHK W 001 grade 1 |
Reference Section of Gear |
N/A Axial |
Gear Teeth Type |
N/A Standard Full Depth |
Pressure Angle |
N/A 17.5 º |
Material |
N/A SCM440 (AISI 4140) Alloy Steel |
Heat Treatment |
N/A Thermal Refined, Tooth Surface Induction Hardened |
Tooth Hardness |
N/A HRC 50-60 |
Surface Treatment |
N/A Black oxide coated except for ground part |
Weight |
N/A 1.67 kg3.682 lb |
Dimensions
Bore (L) |
N/A 1.102 in28 mm |
Hub Diameter (M) |
N/A 1.969 in50 mm |
Pitch Diameter (N) |
N/A 2.441 in62 mm |
Outer Diameter (O) |
N/A 2.756 in70 mm |
Face Width (P) |
N/A 2.913 in74 mm |
Hub Width (Q) |
N/A 1.024 in26 mm |
Position of Reference Tooth |
N/A 1.732 in44 mm |
Max Allowable Shift (Vmax) |
N/A 0.551 in14 mm |
Total Length (R) |
N/A 3.937 in100 mm |
