IEC 61558 Figure 6 Mandrel test For Checking Mechanical Withstanding Of Insulating Materials In Thin Sheet Layers
IEC 61558 Figure 6 Mandrel Tester verifies the mechanical strength of thin sheet insulating materials for reliable safety compliance.
- Precision mandrel mechanism: triangle bar with tip and metal foil for accurate contact
- Adjustable pulling force: 50 N, 100 N, 150 N (achieved with supplied weights)
- 230ยฐ rotation capability: three forward and backward rotations without jerking
- Dielectric strength verification: at least 5 kV test voltage applied after mechanical stress
- 70 mm wide thin sheet compatibility: suitable for non-separable insulating layers
- MOQ: 1
- Delivery Period: To be quoted
Product Description
Mandrel Test Apparatus IEC 61558 Figure 6 for Checking Mechanical Withstanding of Insulating Materials in Thin Sheet Layers
The Mandrel Test Apparatus IEC 61558 Figure 6 for Checking Mechanical Withstanding of Insulating Materials in Thin Sheet Layers is a professional mechanical strength verification tool manufactured by KingPo. It is designed to evaluate the anti-damage strength of non-separable thin-layer insulating materials according to IEC 61558 Figure 6 (and related standards IEC 60950, IEC 60065-1), ensuring insulation integrity under simulated mechanical stress.
Testing Principle
- The test specimen (70 mm wide thin sheet) is installed on the mandrel with metal foil. The mandrel is slowly rotated forwards and backwards three times through 230ยฐ under a preset pulling force (50 N, 100 N or 150 N). After the mechanical stress, a dielectric strength test voltage of at least 5 kV (or the applicable multiplied value per Clause 18.3) is applied between the mandrel and the metal foil for 1 minute. No flashover or breakdown shall occur.
Professional Construction & Technical Precision
Key features include:
- Triangle bar mandrel with metal foil tip for precise contact and stress application
- Adjustable pulling force system achieving 50 N, 100 N and 150 N
- 230ยฐ rotation mechanism with smooth, jerk-free motion
- Dielectric strength test interface supporting at least 5 kV verification
- Robust and stable structure ensuring repeatable test conditions
These elements ensure accurate, repeatable and fully compliant mechanical withstanding testing of thin-layer insulating materials.
Technical Parameters
| Parameter | Specification | Remark / Notes |
|---|---|---|
| Standard | IEC 61558 Figure 6 | Also meets IEC 60950, IEC 60065-1 |
| Pulling Force | 50 N, 100 N, 150 N | Achievable with supplied weights |
| Rotate Angle | 230ยฐ | Three forward/backward rotations |
| Mandrel Type | Triangle bar with tip including metal foil | Precise mechanical stress simulation |
| Thin Sheet Width | 70 mm | Standard specimen size |
| Test Voltage | At least 5 kV | Dielectric strength verification after mechanical test |
| Operation Mode | Manual | Simple and reliable for laboratory use |
The Mandrel Test Apparatus IEC 61558 Figure 6 for Checking Mechanical Withstanding of Insulating Materials in Thin Sheet Layers is used to verify the mechanical strength and insulation integrity of thin-layer materials during product development, production quality control and third-party certification. It helps manufacturers ensure insulating materials can withstand mechanical stress without damage, maintaining electrical safety in transformers, power supplies and similar equipment.
Procurement Benefits
The apparatus offers precise 230ยฐ rotation, adjustable pulling force (50โ150 N), metal-foil mandrel and dielectric strength verification in a compact, easy-to-operate design. It delivers consistent, repeatable test results with minimal maintenance, making it a practical solution for IEC 61558 Figure 6 compliance testing.
Mandrel Test Apparatus Applications
- Insulating materials in thin sheet layers โ mechanical withstanding verification per IEC 61558 Figure 6
- Transformer and power supply manufacturers โ insulation strength testing
- Certification laboratories โ compliance testing according to IEC 61558, IEC 60950 and IEC 60065
- R&D departments โ optimization of thin-layer insulation materials and thickness
Compliance & Regulatory Assurance
This equipment is designed and manufactured in accordance with IEC 61558 Figure 6 for checking mechanical withstanding of insulating materials in thin sheet layers. It provides a standardized method to apply controlled mechanical stress followed by dielectric strength testing, ensuring materials meet the required safety and durability levels for electrical appliances.
For detailed information on IEC 61558 testing, please refer to the latest edition of IEC 61558.
Regular verification of rotati
Technical Inquiry for Mandrel Test Apparatus
The Core Value We Deliver to You
- 230ยฐ rotation with smooth, jerk-free motion
- Adjustable pulling force 50 N, 100 N, 150 N
- Triangle mandrel with metal foil tip
- At least 5 kV dielectric strength verification
- 70 mm wide thin sheet compatibility
Tell us your material type or test requirements โ our engineering team will reply with tailored recommendations within 24 hours.
Test Procedure
- Installation
This tester should be placed on a level table
- Preparing works
1. For the mandrel test, three separate test specimens of thin sheets 70 mm in width shall be supplied
2. Rotate the device to original position
Initial
- According to the standard, install the sample and foil,then hang the corresponding weight (50N /100N/ 150N).
- The mandrel shall be slowly rotated forwards and backwards three times for 230ยฐ without jerking motion. If the specimen breaks at the clamping device during the rotation, the test shall be repeated. If one or more specimens break at any other place, the test is not fulfilled.
Final
- While the mandrel is in its final position,plug the metal bar into hold of the mandrel,within a minute following the final positioning, a dielectric strength test voltage shall be applied for 1 minute as described in IEC61558-clause 18.3 between the mandrel and the metal foil as follows:
โ a test voltage of at least 5 kV or the applicable test voltage of Clause 18.3 multiplied by 1,35 for a specimen consisting of several non separable layers ( at least 3 layers) whichever is the greater;
โ a test voltage of at least 5 kV or the applicable test voltage of 18.3 multiplied by 1,25 for a specimen consisting of 2/3 of the number of at least 3 separated layers whichever is the greater;
โ a test voltage of at least 5 kV or the applicable test voltage of 18.3 multiplied by 1,25 for a specimen consisting of one layer of the number of 2 separated layers whichever is the greater.
No flashover or breakdown shall occur during the test, and corona effects and similar phenomena shall be disregarded
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