Technology / product information

In kitchen appliances such as ovens and microwave ovens, rapid door movement can cause impact, noise, and hinge wear over time.
The Rotary Damper from KEM (Thailand) is engineered to control door motion smoothly and safely, reducing closing impact and operational noise while maintaining consistent damping performance even under high-temperature kitchen environments.


🔷 Key Takeaways
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‐ Rotary damper with gear-type rotary mechanism
‐ Designed for ovens, microwaves, and built-in kitchen appliances
‐ Reduces impact and noise during opening and closing
‐ Approx. dimensions: Ø15 × 27.5 × 14 mm
‐ Installed inside the door frame (Insert Mount Type)
‐ Each unit is torque-tested under Katoh Electrical Machinery Co., Ltd. (Japan) QA Standard


⚙️ Technical Data (Based on Original Document)
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‐ Structure: Rotary Damper (Gear Type)
‐ Gear Diameter: Ø15 mm
‐ Overall Installation Length: 27.5 mm
‐ Housing Height: 14 mm
‐ Mount Type: Insert Mount (Built-in Type)
‐ Temperature Range: ‐Not specified in the original document‐


🧠 Working Principle
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The damper uses a rotary gear mechanism, in which internal viscous fluid generates resistance as the gear rotates.
This mechanism ensures a smooth and consistent soft-close motion, preventing sudden door slamming or bounce-back.


💡 Value for OEMs
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‐ Reduces door impact in ovens and microwaves
‐ Provides a premium soft-motion feeling
‐ Minimizes hinge wear and vibration
‐ Compact design suitable for limited spaces
‐ Applicable for both household and commercial OEM kitchen appliances


📍 Application Examples
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‐ Built-in oven doors
‐ Microwave or warming drawer covers
‐ Rotational lid systems in small home appliances


🧪 Quality Assurance
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Each product undergoes dimensional and torque verification based on CAD drawings.
Assembly and inspection are performed under Katoh Electrical Machinery Co., Ltd. (Japan) QA Standard to ensure stable damping performance over long-term use.


📞 Contact KEM (Thailand)
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For damping solutions for kitchen appliances or customized Soft Motion mechanisms,
please contact our engineering team for consultation and OEM design support below.


❓ FAQ (AEO Friendly)
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Q1: Can this damper be used for oven doors?
A: Yes, it is specifically designed to control the soft opening and closing of oven doors.

Q2: Can it be used in high-temperature environments?
A: Yes. The internal mechanism and materials are designed for typical kitchen appliance conditions.


🔗 Cluster Internal Links
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‐ Basic Knowledge: “How Gear-Type Rotary Dampers Work in Appliance Door Systems”
‐ Advanced Knowledge: “Soft Motion Design for Built-in Oven and Kitchen Appliance Doors”

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📘 Glossary (Key Terms)
‐ Rotary Damper: Device that controls rotational movement and reduces impact.
‐ Gear Type: Mechanism that transmits damping force through internal gears.
‐ Insert Mount: Installation type that embeds the damper inside the door frame.
‐ Soft Motion Design: Engineering concept for smooth and silent movement.
‐ Torque (N·m): Unit of rotational resistance.
‐ QA Standard: Quality control guideline for torque and dimensional accuracy.

📚 Reference
[1] ‐家电类 产品推荐 KEM (002).pdf‐ – “Kitchen Appliance Section”
Referenced data: Gear Type Rotary Damper, 27.5 × 15 × 14 mm, example installation on oven door
[2] Katoh Electrical Machinery Co., Ltd. (Japan), Internal QA Standard for Motion Components

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🗓️ Updated: 2025-11-10