MILEX


transit cases

ADVANTAGES

The MILEX case is a water and dust proofed, shock and vibration absorbing transit case for 19″ electronics. MILEX transit cases are NATO approved and are designed to meet the rigid requirements of U.S. MIL specifications and other MIL standards. Together with a large range of accessories such as cooling systems, racks, drawers and slides, MILEX transit cases represent the most comprehensive line available today for the safe packaging of mobile electronics. MILEX transit cases are made exactly to customers specifications. DESAPRO has developed a unique expertise in designing and custom manufacturing to deliver the right quality for your solution on time.

The high strength housings and covers are made of Peraluman 350, a salt-water resistant aluminum alloy exclusively produced for DESAPRO. This allows DESAPRO to produce one of the strongest and lightest weight cases in use today.

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SERIES

  • Standard
  • Hard Mounted
  • Wire Rope

MILEX transit cases are designed to meet the rigid requirements of MIL-STD-810F and other appropriate military standards for a product of this kind. The MILEX case represents the most comprehensive line available today for the safe packaging of mobile electronics. MILEX cases are designed and manufactured to the specific requirements of environmental protection required by the equipment being contained and transported. This provides the maximum protection while also affording other essential and desirable features.

The size of the MILEX case is determined by the size of the equipment demands. However, due to the positioning of the DESAPRO shock mounts the space between the inner chassis and outer shell is minimized with equal or better shock and vibration properties. This feature means that the overall dimension of MILEX cases is as small as it can be without sacrificing protective characteristics.

The precise equipment weight, fragility and drop height is determined and the specific type and number of shock mounts are specified for that load and configuration. This guarantees the safe transport of your instrumentation. Furthermore, the high strength housings and covers are made of Peraluman 350, a salt-water resistant aluminum alloy exclusively produced for DESAPRO.

The standard MILEX-HM case is a standard 19“ MILEX case without a shock mounted chassis. It is for applications where shock protection is not critical but all other levels of protection of the 19“ MILEX case are maintained. Outside dimensions are equivalent to the 19“ MILEX-case.

MILEX-HM transit cases are designed to meet the rigid requirements of MIL specifications and other MIL standards. The hardmount is designed for applications requiring protection from all elements except shock & vibration. MILEX-HM cases use the same aluminum sheet shell process as our MILEX cases. Therefore, if you need a size that’s not industry standard, no worries! This ability means that the overall footprint dimension of your case is as small as it can be without sacrificing protection.

Applications

MILEX-HM transit cases are designed to carry and protect flange-mount equipment. Typical applications are: Military and high reliability Commercial Mobile fielded instrumentation equipment exposed to hostile environments. Milex-HM provides the same MILEX Advantage with a non-shock mounted case.

Design Characteristics

  • Compact and rugged aluminum construction
  • Front loading & top loading designs
  • Recessed handles and closures
  • Positive stacking provisions (Type A)
  • Covers easily removed from stacked cases (Type A)
  • Compliant to MIL Spec. 4150 & 28800
  • Variety of standard sizes

The MILEX-WR case is a 19″ case with the frame mounted on stainless steel spiral wound wire rope shock absorbers. It is used where electronics have to be protected from vibration and particularly severe shock impact where a deflection is required exceeding that offered by the shock absorbers in the standard MILEX case.

Typical applications are shock protection on ships, submarines, helicopters and aircrafts. Milex-WR provides the same MILEX Advantage with an alternative stress-absorbent mounting system.

The MILEX-WR is available in all standard depths and has an overall width of 748 mm. Payload is 45 to 70 kg.

The MILEX-WR case has been tested to:

  • MIL-167-1 for marine applications
  • MIL-STD-810F 514.5 C3
  • IP65 dust and moisture protection
  • MIL-S-901 test in preparation

FEATURES

Applications

MILEX transit cases are designed to carry and protect electronic and associated equipment in a 19“ shock mounted chassis.

Typical applications are:

  • Military and high reliability commercial usage
  • Mobile, field equipment exposed to hostile environments
  • Airborne equipment
  • Shipboard equipment

Protection

  • Mechanical stress such as vibration and shocks
  • Climatic stress such as rain, snow, hail, humidity, heat, dust and wind driven
    sand according IP 65 as per EN 60529 (MIL-STD-4150, MIL-STD-28800, MIL-STD-810)
  • Electronic stress such as electromagnetic interference (EMI), RFI

Flexibility

A large selection of standard accessories allow for component storage and mounting of drawers and trays with or without telescopic slides. Covers provide extra space for pouches, cable coils, windows and recessed connector trays, closed compartments, mobile Dolly, and much more.

  • Components for storage and mounting: drawers and trays with or without telescopic slides
  • Covers with pouches for cable coils, windows, louvres and recessed connector trays
  • Skirt seal to provide weatherproofing with covers removed
  • Racks for case mounting
  • Heaters, coolers, air conditioners

Design Characteristics

  • Superior volume/weight ratio compared to plastic, composite or wood cases
  • Compact and rugged aluminum construction
  • Superior use of space due to tight radius of shell and minimal space
    between shell and chassis compared to plastic, composite or wood cases
  • Recessed handles and closures
  • Positive stacking provisions even for housings of different outer dimensions
  • Compliant to MIL-STD-4150 and MIL-STD-28800
  • Calibration of shock mounts corresponding to equipment weight
    and/or environmental specifications
  • Housings and covers are made of Peraluman 350, a salt-water resistant
    aluminum alloy exclusively produced for DESAPRO

Variety of Standard Sizes

  • 2 U to 24 U height (1 U = 44.45 mm)
  • 19“ chassis and half 19“ chassis
  • Housing standard depths – 219, 350, 480, 610, 762 mm
  • Covers standard depths – 63, 103, 153 mm
  • Other sizes available (Custom sizes available and easily accommodated)

QUALIFICATIONS

Standard, Enhanced, Robust MILEX MIL-STD Qualifications

Vibration:

MIL-STD-810F, Minimum Integrity, Figure 514.5C-17, one hour/axis
MIL-STD-810G, Minimum Integrity, Figure 514.6E-1, one hour/axis
MIL-STD-810F, US highway, Figure 514.5C-1, one hour/axis
MIL-STD-810G, US highway, Figure 514.6C-1, one hour/axis
MIL-STD-810F, Composite wheeled vehicle trailer, Figure 514.5C-2, two hours/axis (Enhanced)
MIL-STD-810F, Composite wheeled vehicle, Figure 514.5C-3, one hour/axis (Enhanced)
MIL-STD-810G, Composite wheeled vehicle, Figure 514.6C-3, one hours/axis (Enhanced)
MIL-STD-810G, Composite wheeled vehicle, Figure 514.6C-3, two hours/axis (Robust)

Transit Drop:

MIL-STD-810F, Table 516.5-VI, Notes A and/or B
MIL-STD-810G, Table 516.6-VI, Notes A and/or B

Functional Shock:

MIL-STD-810F, Method 516.5, up to 40g/20ms, ±three half-sine or saw-tooth pulses
MIL-STD-810G, Method 516.6, up to 40g/20ms, ±three half-sine or saw-tooth pulses

Rain:

MIL-STD-810F, Method 506.4, Procedure I, Rain and Blowing Rain, 4-inches/hour at 40 miles/hour, 30 minutes face
MIL-STD-810G, Method 506.5, Procedure I, Rain and Blowing Rain, 4-inches/hour at 40 miles/hour, 30 minutes face
MIL-STD-810F, Method 506.4, Procedure II, Exaggerated Rain, 40 minutes/face
MIL-STD-810G, Method 506.5, Procedure II, Exaggerated Rain, 40 minutes/face

Salt Fog:

MIL-STD-810F, Method 509.4, 96-hours, 5% NaCl, ph factor 6.5 to 7.2
MIL-STD-810G, Method 509.5, 96-hours, 5% NaCl, ph factor 6.5 to 7.2

High Temperature:

MIL-STD-810F, Method 501.4, 48-hours at 160ºF exposure, case component functional checks at 125ºF and at 75ºF
MIL-STD-810G, Method 501.5, 48-hours at 160ºF exposure, case component functional checks at 125ºF and at 75ºF

Low Temperature:

MIL-STD-810F, Method 502.4, 48-hours at -60ºF exposure, case component functional checks at 35ºF and at 75ºF
MIL-STD-810G, Method 502.5, 48-hours at -60ºF exposure, case component functional checks at 35ºF and at 75ºF

Temperature Shock:

MIL-STD-810F, Method 503.4, 4-hours at 185ºF exposure, temperature lowered within 5 minutes to -45ºF and held for 4-hours, then raised within 5-minutes to 185ºF for three-cycles. Case component functional checks at 75ºF.

EMI:

MIL-STD-461F, CE102, Conducted Emissions, Power Leads, 10kHz to 10MHz
MIL-STD-461F, CS101, Conducted Susceptibility, Power Leads, 10kHz to 50kHz
MIL-STD-810F, RE102, Radiated Emissions, Electric Field, 10kHz to 18GHz
MIL-STD-810F, RS103, Radiated Susceptibility, Electric Field, 10kHz to 100kHz

NOTE:

Transit case performance is dependent on a wide-variety of variables such as payload weight, payload center-of-gravity, payload fragility, payload mounting, payload fastening, test durations, test sequencing, customer pass/fail criteria, etc. Contact DESAPRO Engineering in order that your transit case can be tailored to meet your qualification requirements.

DOCUMENTS

Milex Brochure

File Type: PDF
File Size: 2 MB

Milex Half Rack Flyer

File Type: PDF
File Size: 982 kb

CUSTOM DESIGN

Custom Design Quote

Contact Debra Langelier, National Sales Manager, to get started with a custom design quote.

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National Sales Manager

Email: DLangelier@desapro.com
Office: 801-999-4763
Mobile: 480-347-6313

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