Car shock absorber piston,band teflon disc,low friction and good wear resistance
upper OD:31.05-31.30mm
lower OD:30.87-30.93mm
height:11-12mm
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.
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
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
Application:
Car shock absorber
Motorcycle shock absorber
Bicycle shock absorber