Test benches / helium systems
Example I
Fully automated eightfold helium leak testing of different pressure switch housings with circular control panel for 8 different versions of test piece.
Supply of components via silo and separation of top-selling types using vibration conveyor. Optional loading and channelling of small batches possible. Facility for all stations to be changed quickly so that a type can be changed within 15 minutes.
- Fully automated test bench
- Automatic test piece adaption
- Cycle time 2.1/part
- Test pressure 25 against vacuum
- Detection limit 1 x 10-6 mbarl/s
- Up to 8 pieces accepted
product-related helium chambers with sealing tools - innomatec Helimix 100-20 helium/air mixing station
- Procedure for setting up for new type possible within 15 minutes
- Automatic marking of correct parts by means of infomarker and pointer
- Camera system for checking markings on parts present
- Automatic ejection of those parts rejected via synchronised conveyor belt
- Space-saving layout of vacuum pumps and measuring sensors under test bench on base frame allowing easy servicing
- Electrically operated high pressure sealing unit for generating the testing pressure
- Label printer for creating barcode labels for the parts' packaging
Example II
Single helium leak testing of different car exhaust gas heat exchangers with chamber carousel for quick set-up with low system downtime.
- Automatic test piece adaption
- Up to 4 pieces accepted in product-related helium chambers with sealing tools
- Procedure for setting up for new type possible under a few seconds
- Automated marking of correct parts
- Ejection of rejected parts via conveyor belt
- Space-saving layout of vacuum pumps and measurement sensors
- Helium mixing station
Example III
Integral double helium leak testing of different car heaters
- Automatic test piece adaption
- 'Click clack' changing system for product-specific tool
- Automatic printing of test labels with barcode
- Automated marking of correct parts
- Helium mixing station
- Space-saving layout of vacuum pumps and measurement sensors
Example IV
Fivefold fully automated helium leak testing system for pressure switches. Leak rates of 1x10-8 mbarl/s automated supply and removal via workpiece carriers as well as loading and unloading by robot
- Automated loading and unloading by robot
- Simultaneous acceptance of up to 5 test pieces
- Part handling within the test period
- Automated marking of correct parts
- Ejection of rejected parts via conveyor belt
- Space-saving layout of vacuum pumps and measurement sensors
- Detection limit 1x10-8 mbarl/s
Example V
Universal 2-way semi-automated helium leak test system for different TLV components. A combination of the integral and sniffing methods with helium. Pumps located beneath the unit to facilitate servicing with their own frame. With automated type recognition via change plate system. Control via a Siemens S7 / 313 DP with OP 17. Disabled rejected area with conveyor belt for removing the test piece. Automated recognition of passed parts
- Manual/automatic mode
- Manual feeding of test pieces
- Forced removal of incorrect parts
- Extremely high degree of measurement accuracy with short test cycles
- 'Universal' use due to replacement tool system
- Automated adjustment of test parameters on type change
Example VI
Double semi-automated integral helium and flow test benches for different activated carbon filters with measurement data capture and documentation with continuous test piece identification. Conveyor belt for removing the test piece to a blocked area for rejected parts. Permanent identification of parts in order with a serial number. Control via a Siemens Soft PLC and remote maintenance module. System visualisation via WinCC.
- Manual feeding of test pieces
- Forced removal of incorrect parts
- Extremely high degree of measurement accuracy with short test cycles
- 'Universal' use due to replacement tool system
- Acceptance of up to 3 different chamber sizes
- Automated adjustment of test parameters on type change
Example VII
Integral double helium position for gas shock absorbers
- Automatic acceptance of lines from production unit
- Lateral movement for removing from the production plant and passing to the test station
- Automatic operation of sealing instruments when line length changes
- Resolution of the measurement: 1 Pa
- High pressure measuring technology for 200 bar
- Identification of the correctly tested lines
- Forced ejection of passed/rejected parts
