JSMRDY-20 20 Stations Spin-on Oil Filter Dry Tester

JSMRDY-20 20 Stations Spin-on Oil Filter Dry Tester is designed for fully automatic dry leak testing of spin-on oil filters. It integrates automatic feeding, positioning, clamping, pressurizing, leak detection, unloading, and reject separation into one system, helping improve testing efficiency and product consistency in high-volume production. After setup, the machine can run fully automatically without direct operator attendance, making it suitable for continuous leak testing in automated oil filter manufacturing lines.
 

Parameter

Features

Fully Automatic Unattended Testing
After setup, the equipment can run fully automatically without any direct labor attendance, which is a key advantage for continuous production lines.

20-Station Rotary Test Structure
The machine uses a 20-station rotary structure for automatic feeding, clamping, testing, and unloading, supporting stable high-speed leak inspection.

Automatic Inline Receiving and Discharging
The equipment can receive spin-on filters directly from a continuous slat conveyor, place them into the tester, complete leak testing, and discharge them to the output conveyor automatically.

Open-End-Down Filter Handling
The system is designed to receive and test filters with the open end facing downward, matching automated line transfer conditions.

Non-Damaging Product Transfer
During loading, testing, and unloading, the machine is designed to avoid product damage or scuffing, which is important for finished filter handling.

Automatic Reject Separation
Failed filters are automatically ejected to a separate holding station for inspection and re-testing, which helps improve production control and downstream sorting.

Patented Downward Clamping System
The machine uses a patented downward clamping system, and the source notes that collet change is not required for tap hole sizes from M18 to M26.

Supports Different Filter Structures
The tester can handle both filters with gasket and filters without gasket on one machine, with changeover time around 20 minutes.

Flexible Clamping Mode Selection
Both collet clamping and push-down type clamping are available, allowing the machine to adapt to special filter structures where standard collet clamping is not suitable.

Three-Step Station Alarm Logic
Each station includes a three-step failure alarm system. A failed station can stop with alarm while other stations continue working, which helps reduce whole-line interruption.

Automatic Safety Protection
The machine will stop automatically in cases such as motor overload, loading failure, unloading failure, unload guide failure, low air supply, and wrong filter positioning.

Leak Test Example Clearly Defined
The machine is capable of pressurizing the filter assembly to 600 kPa with air, holding the pressure for 10 seconds, and checking whether leakage exceeds 0.5 cc within that period. This gives customers a clearer understanding of actual test logic.

Reliable Differential Pressure Detection
The source emphasizes that no solenoid-operated valves are used in the pressure differential sensing path, helping avoid distorted pressure difference and false test results.

High-Grade Key Components
The system uses a low-range differential pressure transducer from a well-known U.S. manufacturer, along with CKD pneumatic regulators and Yokogawa controllers, helping improve stability and measurement reliability.

Reduced Changeover Time
The machine includes systems designed to minimize setup time when switching from one product to another, which is important for multi-model production.
 

Applications

• Dry leak testing for spin-on oil filters
• Automatic leak inspection in oil filter production lines
• Finished product leak detection and reject separation
• Continuous unattended leak testing in automated filter manufacturing