Helical cut are a type of cylindrical gear where the teeth are cut at an angle to the axis of rotation, creating a helix or spiral. Unlike spur gears with straight teeth, this helical design provides several advantages, including smoother, quieter operation, increased strength, and the ability to mesh at different angles.
helical cut Detail
| Product Name | Helical cut |
| Product Material | Made of 45 steel, 40CR, 20CR/20CrMnTi, SUS304, suitable for various working conditions. |
| Product Process | Precision machining: Normalizing, turning, and grinding are used to machine the reference hole of the gear blank, followed by rough rolling, shaving, and grinding to fine-tune the tooth shape, surface quenching, and nitriding heat treatment before honing and finishing. |
| Surface Treatment | Options include nitriding, case hardening, carbonitriding and induction hardening. |
| Customizable Products | Gears / Sprockets / Worms / Shafts / Rack Bars / Bevel Gears, etc. |
Product Advantages
Smooth cutting
During spiral cutting, the tool and workpiece cut in and out gradually, with less vibration and noise.
Long tool life
The cutting force is evenly distributed and the load on a single tooth is small
Good surface quality
Continuous and smooth cutting paths can produce smoother machined surfaces.
Suitable for complex surface processing
The spiral trajectory can flexibly adapt to complex structures such as curved surfaces and grooves
Product Information Parameters
In addition to standard sizes,GRANGIN also focuses on custom parts. It has an absolute advantage in the field of custom parts,
Meet almost all application requirements and the most stringent specifications.
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Ecification |
Model | Thickness | Inner Hole Keyway | Groove Depth | Step Diameter | Precision | Material |
|---|---|---|---|---|---|---|---|
| Helical Teeth | 1.5M25 | Tooth Thickness 20±45 | Inner Hole 14, Key 5 | / | 35 | Grade 6 | 20CrMoTi |
| Helical Teeth | 1.5M30 | Tooth Thickness 20±45 | Inner Hole 19, Key 6 | / | 40 | Grade 6 | 20CrMoTi |
| Helical Teeth | 1.5M30 | Tooth Thickness 20±45 | Inner Hole 20, Key 6 | / | 40 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M20 | Tooth Thickness 25±55 | Inner Hole 14, Key 5 | 5 | 35 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M20 | Tooth Thickness 25±55 | Inner Hole 20, Key 6 | 5 | 35 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M24 | Tooth Thickness 25±55 | Inner Hole 20, Key 6 | 5 | 45 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M24 | Tooth Thickness 25±55 | Inner Hole 14, Key 5 | 5 | 45 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M25 | Tooth Thickness 25±55 | Inner Hole 20, Key 6 | 5 | 45 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M30 | Tooth Thickness 25±55 | Inner Hole 14, Key 5 | 5 | 55 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M30 | Tooth Thickness 25±55 | Inner Hole 20, Key 6 | 5 | 55 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M30 | Tooth Thickness 25±55 | Inner Hole 25, Key 8 | 5 | 55 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M30 | Tooth Thickness 25±55 | Inner Hole 32, Key 10 | 5 | 55 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M35 | Tooth Thickness 25±55 | Inner Hole 20, Key 6 | 5 | 65 | Grade 6 | 20CrMoTi |
| Helical Teeth | 2M40 | Tooth Thickness 25±55 | Inner Hole 20, Key 6 | 5 | 75 | Grade 6 | 20CrMoTi |
| Helical Teeth | 3M20 | Tooth Thickness 30±65 | Inner Hole 20, Key 6 | 5 | 55 | Grade 6 | 20CrMoTi |
| Helical Teeth | 3M25 | Tooth Thickness 30±65 | Inner Hole 32, Key 10 | 5 | 70 | Grade 6 | 20CrMoTi |
20+ years of experience as Helical Cut manufacturer
Specialized in designing, producing and processing various specifications of synchronous wheels, gears, sprockets, racks, couplings and other transmission accessories
Semi-finished Parts Pictures:
Custom 6-Mode Stainless Steel Gears
Custom Finished Hole Sprockets
Customized 1.2 Inch large Sprocket
Custom Gear Shaft
Customized Electric Cylinder Coupling Shaft
Customized Aluminum Flange
Packaging Pictures：
Our Certificate
CE
ISO45001
ISO14001
ISO9001
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What is the advantage of helical cut gears?
Helical cut are superior to spur gears in their load-carrying capacity, quietness, and smoothness of operation, which results from the sliding contact of the meshing teeth. A disadvantage, however, is higher friction and wear that accompanies this sliding action.
Are helical cut quieter?
Decreasing the pressure angle and increasing the tooth depth can produce a larger contact ratio. Enlarging the overlap ratio will reduce the noise. Because of this relationship, a helical cut is quieter than the spur gear and a spiral bevel gear is quieter than the straight bevel gear.
Why helical cut gears?
The spiral trajectory can flexibly adapt to complex structures such as curved surfaces and grooves, and has significant advantages in aerospace, mold manufacturing and other fields.
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