Welded bellow for Semicon equipment, LED equipment,accelerator stainless steel welding bellows

Welded bellow 

for Semicon equipment, LED equipment, vacuum valve, accelerator chips

semiconductor and ultra vacuum bellow

Application:

•accumulator
•actuator
•cable pipe
• recessed lift corrugated pipe
• connector
•coupling (flexibility)
•coupling (torsion)
• conveyer
•air duct
•brake valve
•leak detector
•hoister
•director finder
• liquid storage tank/volume compensator
•sensor
•gap valve
• valve rod sealing device
•vibration isolation
• wafer lift welded bellows
•wafer feeder
•X-Y-Z controller

Characteristics:

•leak proof seal, to guarantee the leak volume of 1х10-10 cm3 helium per second.
•the longest product life cycle (the standard is one million cycle +)
•can tolerate extreme temperature
•low gas efficiency
•the capacity of corrosion resistance

Design and manufacture:

•BELCAXT (design program for corrugated pipe)
•CAD(computer aided design)
•FEA(finite element analysis )
•solid modeler
•clean room of grade 100,1000,and 10000 which are quite big, can be extended

Tested range/reliability engineering

•product life cycle (to take pressure and temperature as index)
•- load / motive power
•(MST) mass spectrometry tester(MST)
• mean area of effectiveness
•metallurgy
•pressure(crack, pulse) • rupture
•scanning electron microscope (SEM)
•impact
•spring stiffness
•vibration(random, sine)
• volume change

Welding:

•electron beam welding(EBW)
•GTAW
•laser
•plasma arc welding
•rail GTAW


Materials:

•300 series of stainless steel,SS304,SS316
•AM350 stainless steel
•Ha type alloy C
•Haynes alloy 242
•lnconel 625and 718 alloy
•Titanium

Any questions,please feel free to contact us: