Description
This piston with a technopolymer body and all metal teeth equipped with a ZERO-SHOCK shock absorbing system 100% Made in Italy.
This system patented by Fps allows to attenuate the stresses that the rack transmits to the piston body and makes the assembly enormously more resistant and reliable than a normal piston.
For the body material, a technopolymer loaded with the addition of a small percentage of elastomer has been studied which gives high mechanical performances and a very low friction coefficient.
The rack was manufactured using MIM (Metal Injection Molding) technology since this production process guarantees dimensional precision and strength practically equal to those of solid machining.
The rack is presented with the second tooth missing and the third already lowered by 3 tenths of a millimeter since this configuration predisposes the piston itself for a correct angle of engagement (AOE) and makes it suitable for high burst speed.
The type of injected metal is SAE 4650 treated superficially with HRC38-42° hardening which is currently considered the best material on the market for this type of use.
The sliding guides are designed to minimize friction and retain the lubricant for a long period of time.
The rack seat is decentralized to favor the coupling between the piston teeth and those of the sector gear.
The longitudinal reinforcements on the sides of the teeth increase the strength of the piston and avoid contact of the rack with the internal wall of the cylinder.
Special ribs reduce the contact surface between the spring and the internal part of the piston body and consequently the friction between metal and technopolymer during the contraction and elongation due to the firing cycle is also reduced.
100% MADE IN ITALY
100% MARUI COMPATIBLE
Reviews
There are no reviews yet