Specna Arms DSG 9:1 CNC shellised helical gear set

Set of high quality steel gears with 9:1 ratio in DSG configuration. - That is, Dual Sector Gear.
The term refers to the distribution of teeth on the piston pinion, instead of the standard 16 teeth per 1 cycle the sprocket has two sets of 8 teeth on the two sides of the disc. Which translates into two shots during one full rotation of the of the disc.

A set of helical sprockets machined using precision CNC machines. The highly accurate machining has a positive effect on the operation of the mechanism, improving performance, reducing noise and lowering power consumption. Gears have been reinforced and have an improved axis.

The set has a shellised construction which reduces its weight. This results in a lower load on the motor, enabling it to do less work and therefore consume less power.


The set has a shell construction which reduces its weight.
Helical gears have many additional advantages over their usual predecessors with a straight tooth profile. predecessors with a straight tooth profile.


Key elements are:

. - Quiet operation through the oblique tooth arrangement, the gears have a significantly reduced noise emission.

- Smoother running -Smoother operation of the mechanism The bevelled teeth have more points of contact points, so that the work is distributed more smoothly over the disc components.
- Increased durability helical teeth are able to carry greater loads compared to straight teeth.
- More precise motion control

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The properties mentioned above make helical teeth helical gears are a common choice in mechanical and mechatronic systems.