Dongguan Dongjun Testing Equipment Co., Ltd.
| Test Stroke | 1~30 mm (torsion & tensile stroke, customizable setting) |
| Payment Terms | T/T |
| Torsion Angle Error | ≤5°, synchronous reverse torsion for left and right sides |
| Supply Ability | 500pcs |
| Overall Dimension | 560×450×600 mm (L×W×H) |
| Delivery Time | 15-25Work days |
| Cycle Range | Presettable 0~999999 cycles, auto stop when target value is reached |
| Machine Weight | 40 kg |
| Packaging Details | Wooden crate packaging |
| Test Speed | 5~70 cpm (cycles per minute), stepless adjustable via touch screen |
| Model Number | DJ-47 |
| Certification | ISO9001，CE， |
| Place of Origin | Dongguan, China |
| Brand Name | Dongjun |
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Product Specification
| Test Stroke | 1~30 mm (torsion & tensile stroke, customizable setting) | Payment Terms | T/T |
| Torsion Angle Error | ≤5°, synchronous reverse torsion for left and right sides | Supply Ability | 500pcs |
| Overall Dimension | 560×450×600 mm (L×W×H) | Delivery Time | 15-25Work days |
| Cycle Range | Presettable 0~999999 cycles, auto stop when target value is reached | Machine Weight | 40 kg |
| Packaging Details | Wooden crate packaging | Test Speed | 5~70 cpm (cycles per minute), stepless adjustable via touch screen |
| Model Number | DJ-47 | Certification | ISO9001，CE， |
| Place of Origin | Dongguan, China | Brand Name | Dongjun |
Secure the head-mounted headphone on the vertical adjustable support frame, and clamp the two earcups respectively to the left and right independent torsion fixtures. Driven by the equipment, the left and right fixtures synchronously stretch and twist in opposite directions to the preset stroke, then automatically reset to complete one cycle.
The touch screen allows presetting cycle count, operating speed and torsion dwell time, and the equipment runs reciprocally automatically.
The equipment will stop automatically once the preset number of cycles is reached. Operators manually disassemble the headphone, inspect the degree of structural wear, and determine whether the product meets durability requirements.
| Parameter Item | Technical Specification |
|---|---|
| Test Speed | 5~70 cpm (cycles per minute), stepless adjustable via touch screen |
| Test Stroke | 1~30 mm (torsion & tensile stroke, customizable setting) |
| Overall Dimension | 560*450*600 mm (L*W*H) |
| Machine Weight | 40 kg |
| Control Method | 7-inch color touch screen (Chinese & English interface) + start/stop and emergency stop buttons |
| Test Station | Single station, suitable for standard over-ear headphones |
| Cycle Range | Presettable 0~999999 cycles, auto stop when target value is reached |
| Torsion Angle Error | ≤5°, synchronous reverse torsion for left and right sides |
| Power Supply | AC220V/50Hz, overall power approx. 200W |
Simulate the actual working conditions of repeated torsion and twisting between earcups and headband hinges when users wear and take off headphones daily, and conduct hinge fatigue durability life tests. The test checks whether cracks, looseness, fractures, hinge damping failure, plastic damage and other defects occur at the connecting parts of the headphone headband, hinges and ear shells after long-term torsion. It is applied to reliability verification in headphone R&D, factory outgoing quality inspection, and standard testing by third-party testing institutions.
Company Details
Business Type:
Manufacturer
Year Established:
2021-3-21
Total Annual:
10000000-50000000
Employee Number:
25~30
Ecer Certification：
Verified Supplier
Dongguan Dongjun Testing Equipment Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of testing equipment for furniture, home goods, toys, textiles, footwear, and more. The compan... Dongguan Dongjun Testing Equipment Co., Ltd. is a high-tech enterprise specializing in the research, development, production, and sales of testing equipment for furniture, home goods, toys, textiles, footwear, and more. The compan...
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