Overview

This comprehensive technical document from Ningbo Dayang Enclosures Co., Ltd. details specifications, structural components, customization options, and application guidelines for a wide range of industrial enclosures and instrument cases. The products cover aluminum, plastic, and steel enclosures designed for electronic instrumentation, industrial control, and electrical protection applications.

1. Aluminum Instrumented Case Systems

General Specifications

• Height ranges from 2U to 9U depending on model; width and depth customizable with common depths from 180mm to 360mm.
• Constructed mainly from aluminum alloy with surface treatments including anodizing, polishing, and powder coating.
• Front and rear beams feature 5.08mm spaced holes for plugin rails; sliding nuts and threaded inserts enable panel mounting.
• Plastic or aluminum feet with rubber pads provide stable support; options for higher load capacity available.

Structural Components and Model Variants

• Components include horizontal beams, side panels (with optional ventilation), cover plates, handles (various types), plugin rails, sliding nuts, feet, and faceplates.
• Models 01A to 01N offer variations in handle types, panel materials, ventilation options, and reinforcement beams for heavy equipment.
• Power supply insert boxes with ventilation and PCB slots available for certain models.

Dimensions and Standards

• Standard hole pitch for mounting is 5.08mm (1HP); widths and depths vary by hole count (42HP, 63HP, 84HP).
• Typical dimensional tolerances are ±0.5mm.

Color and Finish Options

• Multiple color schemes including medium gray, green, blue, dark gray, champagne gray, black, and anodized finishes.
• Custom colors available upon request.

Accessories and Customization

• Plugin rails in plastic and aluminum, various handle types (T1-T6), feet options, ventilation hole customization, and faceplate modifications.
• Packaging includes fasteners; some accessories require separate ordering.

2. Plastic and Plastic-Aluminum Instrumented Case Systems

• Series 02 models combine plastic covers and aluminum or plastic panels with ABS or PC injection molding.
• Height ranges from 2U to 9U; handles available in multiple types.
• Features include keyboard trays, ventilation holes, and customizable dimensions.
• Color schemes align with aluminum series, with additional black options.

3. High-End Aluminum and Steel Enclosures

• Series 03 and 04 offer premium aluminum and steel cases with features like electromagnetic shielding, removable inner cages, and customizable panels.
• Steel enclosures provide excellent EMI shielding and support vertical operation.

4. Plug-in Chassis and Rack Mount Enclosures

• Series 06 designed for 19-inch rack mount with heights 1U to 2U.
• Includes aluminum alloy profiles, sliding nuts, ventilation options, and multiple color finishes.

5. Plastic Waterproof and Sealed Enclosures

• ABS and PC materials used for indoor and outdoor waterproof terminal boxes and control boxes.
• Protection ratings up to IP65; impact resistance IK07 to IK08.
• Assembly includes sealing strips, screws, and mounting features.
• Customization available for molds, colors, and certifications for large orders.

6. Cable Glands

• Designed for IP65 protection with PG (British) and PM (metric) thread types.
• Accommodate cable diameters from 3mm to 23mm.
• Materials include nylon bodies and nitrile rubber seals; temperature ranges from -40°C to 100°C.
• Not suitable for explosion-proof environments; no formal certification yet.

7. DIN Rail Enclosures and Terminal Blocks

• Series 14, 15, and 16 cover DIN rail PLC enclosures, terminal enclosures, and modular enclosures.
• Features include snap-fit assembly, ventilation holes, multiple terminal counts, and PCB mounting options.
• Materials primarily ABS or ABS/PA66 with UL94 flame retardant ratings.
• Standard 35mm DIN rail compatibility and modular design for flexible assembly.

8. Handheld and Special Plastic Enclosures

• Series 17 and 18 provide handheld instrument housings and special plastic enclosures for sensors, alarms, and remote controls.
• Materials mainly ABS; options for flame retardancy and mold customization.
• Various sizes and configurations with LCD windows, battery compartments, and EMI shielding features.

9. Additional Enclosure Series

• Series 19 to 31 cover desk enclosures, wall-mount waterproof enclosures, card enclosures, LCD window enclosures, sensor enclosures, potting enclosures, power supply enclosures, and aluminum extrusion enclosures.
• Materials include ABS, PC, aluminum, and steel with various protection ratings (IP20 to IP67) and impact resistances (IK07 to IK08).
• Customization options include colors, materials, flame retardancy, UV resistance, and certifications.

10. High Protection and Impact Resistant Enclosures

• Constructed from high-impact engineering plastics with foam silicone rubber sealing strips.
• Protection rating IP67 and impact resistance IK08.
• Features include dust and water resistance, corrosion resistance, anti-static foam inserts, manual pressure adjustment knobs, and compliance with airline/train carry-on rules.
• Load capacity for pull rods and wheels up to 60 kg; optional mounting brackets available.

11. Material Properties and Flame Retardancy

• Materials include ABS, PC, PA, POM, and aluminum alloys with detailed descriptions of temperature resistance, impact strength, and water absorption.
• Flame retardant mechanisms and UL94 testing standards (V-0, V-1, V-2) explained.
• Specific flame retardant additives and their effects on mechanical properties discussed.

12. Electromagnetic Compatibility (EMC) and Safety Design

• EMI sources and propagation modes described.
• EMC design methods include grounding, shielding, filtering, and interference suppression.
• Safety design principles cover protection against electric shock, fire, mechanical hazards, radiation, and chemical hazards.

13. Explosion-Proof Instrument Technology

• Classification of hazardous zones (Zone 0, 1, 2) per EN50014.
• Ignition protection levels (increased safety “e”, intrinsic safety “i”) and temperature classifications (T1-T6) detailed.
• Material requirements for explosion-proof enclosures include thermal stability and anti-static properties.

14. Packaging, Supply Scope, and Ordering Notes

• Standard supply includes structural components and fasteners; some accessories require separate ordering.
• Customization options widely available for dimensions, colors, materials, and certifications, often with minimum order quantities.
• Technical drawings and 3D models available upon request.

15. Company Contact Information

• Multiple regional offices across China with detailed addresses, telephone, fax, and email contacts for sales and R&D inquiries.
• Offices located in Shenzhen, Shanghai, Beijing, Hangzhou, Shenyang, Chengdu, and Nanjing.
• Dedicated R&D center in Beijing for design support and custom development.

Critical Notes and Best Practices

• All dimensions are approximate with ±0.5mm tolerance; actual product measurements prevail.
• Customization requires detailed specification and may involve mold fees.
• Ventilation and reinforcement options should be selected based on equipment weight and cooling needs.
• Snap-fit designs reduce assembly time and improve ease of installation.
• Compliance with environmental directives (WEEE, RoHS) and flame retardancy standards is emphasized.