HJ AUTOMATIC CONTROL TECHNOLOGY CO., LTD
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Leak Testing Equipment For Auto Part Air-Conditioning Compressor Vacuum Chamber Method
Basic function:
The operator uses the fixture to seal the air return port and the exhaust port of the workpiece, then put the workpiece in the vacuum chamber, connect the workpiece fixture interface with the quick connector in the vacuum chamber, after the vacuum chamber door is closed, the system can be fully automatic complete the whole procedures of gross leak and boost detection, evacuation, helium filling, fine leak detection, helium recovery, etc., with fast production cycle and high leak detection accuracy.
System structure:
The vacuum helium leak detection system include vacuum chamber unit, vacuum and leak detection unit, Helium charging and recovery unit, control system and electrical cabinet unit. Leak Testing Equipment
Technical Parameters: (can be customized according to client's requirements)
| Workpiece | Automotive air conditioning compressor |
| Workpiece Dimension | L*W*H=215mm*121.7mm*155.2mm |
| Workpiece Inner Volume | 0.7L |
| Workpiece Air Inlet Parameters | 2pcs; return air inlet diameter 18.3, exhaust vent diameter15.480-0.05mm |
| Vacuum Chamber qty. | 2 Leak Testing Equipment |
| Tracer Gas | Helium |
| Gas Pressure for Fine Leak Test | 1.5 Mpa (Downward adjustable) |
| Gas Pressure for Gross Leak Test | 2.5 Mpa (Downward adjustable) |
| Helium Leak Detection Rate | 2g/y |
| Test Cycle | 2 vacuum chambers work interlinked, one workpiece is finished in average 30s (including loading and unloading time) |
| Workpiece Fixture | 4 SET |
| Loading & Unloading | Manual |
| Helium Recovery | Yes, recovery rate≥98% |
