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Large Forging Double Helical Gear

Dimension: according to drawings ; Defect control: UT&MT ; Material: Q275, alloy steel, carbon steel, etc.
Product Details:


The double helical gears are a variation of double helical gears with having both right and left hand element that is able to cancel thrust or side load on the bearings. The cutting of these gears are done using special cutting machines that suitably cut from both sides at same time. The helical grooves of herringbone gears looks like V shape when viewed from top. These gears are a bit expensive in comparison with other gears, as these required special shaping and cutting tools.


Application


Double helical gears are used in many applications such as cranes, fluid pumps and power transmission to the propulsion screws in military ships for a quieter and less vibration operation.


Product name

Double Helical Gears

Material

Q275

Structure

Forging

Process

Lathing, milling,grinding,drilling

Heat treatment

Quenched and Tempered Hardness:  170-217HBS.

Diameter

According to drawing

Height

According to drawing

Torque Capacity

According to drawings

Chemical Control

Spectrograph

Defect Control

UT, MT

Model Number

According to drawing

Packaging Details

Package adapting to ocean transport

Delivery Time

30 - 90 days

Certificate

ISO9001-2008


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