low friction motorcycle shock absorber piston,20mm teflon banded piston ring

low friction motorcycle shock absorber piston,20mm teflon banded piston ring

Motorcycle shock absorber piston,band teflon disc,low friction and good wear resistance 

20mm piston ring

Durability test:      
Stroke:50mm      
speed:1m/s      
side load 30kgf      
duration 3 million cycles      
temperature:80ºС+/-10ºС      
no band peel off or breakage after test     

Manufacturability:      
"Auto Mechanical Press:50T, 100T, 140T...
"      
"Hydraulic Press:100T, 315T, 600T, 800T
"      
"Six sinter furnaces, including one harden Sinter Furnace
"      
"Heat treatment:Carbonitriding quenching and high frequency quenching
"      
"Ultrasonic clearing and auto deburring
"      
"In-house tooling making:EDM, wire cutting machine
"      
Strength in machining:Machine center, CNC milling, CNC lathe, Two end lapper etc.      
      
      
Test Ability      
"Carbon sulfur determinator
"      
"Metallurgic microscope
"      
"Hydraulic universal material tester
"      
"Hardness testers
"      
"Pneumatic measuring instrument
"      
"Measuring projector
"      
"Electrical profilometer
"      
CMM      
      
      
Processing:      
      
mixing powder→forming→sintering→sizing→after treatment→steam treatment→oil impregnant      
      
mixing powder  →  PTFE cylinder production  →  sintering  →  PTFE disc production