1、 Comments, suggestions, or questions on this document should be addressed to U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: RDTA-EN/STND/TRANS MS #268, 6501 E. 11 Mile Road, Warren, MI 48397-5000 or emailed to DAMI_STANDARDIZATIONconus.army.mil. Since contact i
2、nformation can change, you may want to verify the currency of this address information using the ASSIST Online database at https:/assist.daps.dla.mil. AMSC N/A FSC 4140 METRIC MIL-PRF-62563B(AT) 12 March 2010 SUPERSEDING MIL-PRF-62563A(AT) 6 December 1995 PERFORMANCE SPECIFICATION FAN, VENTILATING,
3、VEHICULAR COMPARTMENT This specification is approved for use by the U.S. Army Tank Automotive Research, Development and Engineering Center (TARDEC), Research, Development and Engineering Command (RDECOM), Department of the Army, and is available for use by all Departments and Agencies of the Departm
4、ent of Defense. 1. SCOPE 1.1 Scope. This specification covers an electric-powered, single-stage, vaneaxial fan, referred to herein as “fan”, used to ventilate the crew compartment of an armored military vehicle (see 6.1). 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are
5、specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are caution
6、ed that they must meet all specified requirements documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this documen
7、t to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (see 6.2). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-62563B(AT) 2 FEDERAL STANDARDS FED-STD-595/
8、24533 - Green DEPARTMENT OF DEFENSE STANDARDS MIL-STD-461 - Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment (Copies of these documents are available from https:/assist.daps.dla.mil/quicksearch/ or from the Standardization Document Order Desk,
9、700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, drawings and publications form a part of this specification to the extent specified herein. Unless otherwise specified, the issues of
10、 these documents are those cited in the solicitation or contract (see 6.2). U.S. ARMY TACOM DRAWINGS 12292099 - Fan, Ventilating (Copies of these documents are available from DAMI_STANDARDIZATIONconus.army.mil or U.S. Army RDECOM, Tank Automotive Research, Development and Engineering Center, ATTN: R
11、DTA-EN/STND/TRANS MS #268, 6501 E. 11 Mile Road, Warren, MI 48397-5000.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract (se
12、e 6.2). AIR MOVEMENT AND CONTROL ASSOCIATION (AMCA) AMCA-STD-210 - Laboratory Methods of Testing Fans for Rating (Copies of this document are available from www.amca.org or Air Movement and Control Association, 30 West University Drive, Arlington Heights, IL 60004.) AMERICAN SOCIETY FOR QUALITY (ASQ
13、) ANSI/ASQ Z1.4 - Sampling Procedures and Tables for Inspections by Attributes (Copies of this document are available from www.asq.org or American Society for Quality, 600 North Plankinton Avenue, Milwaukee, WI 53203.) Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
14、nse from IHS-,-,-MIL-PRF-62563B(AT) 3 ASTM INTERNATIONAL ASTM D149 - Standard Test Method for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies ASTM D257 - Standard Test Methods for DC Resistance or Conductance of Insulating
15、 Materials (Copies of these documents are available from www.astm.org or ASTM International, P.O. Box C700, West Conshohocken, PA 19428-2959.) 2.4 Order of precedence. Unless otherwise noted herein or in the contract, in the event of a conflict between the text of this document and the references ci
16、ted herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a first article sample shall be subjected to first article
17、 inspection in accordance with 4.3. 3.2 Materials. Materials used shall be in accordance with the manufacturers materials specifications for fans. The materials shall be capable of meeting all the operational and environmental requirements specified herein (see 4.8.1). 3.2.1 Recycled, recovered, or
18、environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs. 3.3 Desi
19、gn and construction. The fan shall be constructed in accordance with Drawing 12292099 and as specified herein (see 4.8.1 and 4.8.2). 3.3.1 Weight. The weight of the fan shall not exceed 12 pounds (lb) (see 4.8.3). 3.3.2 Electric motor. The motor shall be a series-wound, three-speed, variable, 24 vol
20、t (V) direct current (dc) type, directly coupled to the fan shaft. The motor shall be operable from a 285 V supply (see 4.8.1 and 4.8.2). 3.4 Performance. 3.4.1 Voltage. The fan shall operate with any control voltage from 11 to 30 V dc (see 4.8.4.1). Provided by IHSNot for ResaleNo reproduction or n
21、etworking permitted without license from IHS-,-,-MIL-PRF-62563B(AT) 4 3.4.2 Operational performance. The fan shall show no evidence of an abnormal noise or vibration when used within the standard operating range. The direction of airflow shall be as specified on Drawing 12292099. The current shall n
22、ot exceed 29.5 amperes (A) (see 4.8.4.2). 3.4.3 Rated performance. The fan shall deliver air at the rate specified in table I under the conditions specified therein, at 29.5 A or less (see 4.8.4.3). TABLE I. Rated performance. Minimum airflow rate Conditions cubic meters per minute cubic feet per mi
23、nute Input voltage (V dc) 1/ Minimum static pressure Pa inches of water (gage) 21.8 (770) 27 672 (2.7) 18.0 (635) 27 1,045 (4.2) 17.0 (600) 19.8 473 (1.9) 9.9 (350) 11.8 274 (1.1) 1/ Tolerance: +0.5 V dc, -0.0 V dc. 3.4.4 Electromagnetic interference suppression. The fan shall meet the requirements
24、of MIL-STD-461 limits CE102 and RE102-3 (see 4.8.4.4). 3.4.5 Insulation resistance. The insulation resistance of the fan shall be not less than 12 megohms at 500 V dc at a relative humidity of 40 to 80 percent (%) (see 4.8.4.5). 3.4.6 Dielectric strength. The fan shall withstand a voltage of 500 V r
25、oot-mean-square (rms) at 60 Hertz (Hz) for 1 minute with no evidence of arcing or breakdown (see 4.8.4.6). 3.4.7 Noise level. The sound power level of the fan, when operating as specified in 3.4.3, shall not exceed the values shown in table II, when measured at a distance of 3.048 meters (10 feet) i
26、n any direction (see 4.8.4.7). 3.4.8 Environmental. 3.4.8.1 High temperature. The fan shall demonstrate no performance degradation and show no evidence of damage or deformation after being stored at temperatures up to 71 degrees Celsius (C) (160 degrees Fahrenheit (F) and operated at temperatures up
27、 to 54 C (130 F) (see 4.8.4.8.2). 3.4.8.2 Low temperature. The fan shall demonstrate no performance degradation and show no evidence of damage or deformation after being stored at temperatures down to minus (-) 57 C (-70 F) and operated at temperatures down to -54 C (-65 F) (see 4.8.4.8.3). Provided
28、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-62563B(AT) 5 TABLE II. Sound power level. Octave band (Hz) Sound power level -12 (dB re 10 W) 1/ 63 84 125 97 250 88 500 99 1000 96 2000 97 4000 92 1/ Reference (re), watt (W) 3.4.8.3 Steam and waterjet
29、 cleaning. The fan shall show no evidence of damage or deterioration and demonstrate no performance degradation following a steam and waterjet cleaning process which uses a cleaner conforming to best commercial practice, and which applies the jet perpendicular to the fan surface from a distance of n
30、ot more than 30.5 centimeters (cm) (1 foot) for steam cleaning and not more than 1.52 meters (m) (5 feet) for waterjet cleaning. The jet pressure shall be 72434 kPa (1055 pounds per square inch gage (psig) and the jet shall be moved at such a rate that the entire surface of the fan is subjected to t
31、he jet for a period of 1 minute (see 4.8.4.8.4). 3.4.8.4 Humidity. The fan shall demonstrate no performance degradation and show no evidence of damage or deformation after exposure to a relative humidity ranging from 0 to 98% (see 4.8.4.8.5). 3.4.8.5 Shock. The fan shall show no evidence of damage o
32、r deformation and demonstrate no performance degradation after exposure to sawtooth shock pulses of 40 gravity units (g) for 11 milliseconds (ms) time duration applied along each of the three major axes (see .8.4.8.6). 3.4.8.6 Vibration. The fan shall show no evidence of damage or deformation and de
33、monstrate no performance degradation during and after exposure to vibration levels of 1.5 and 4.2 g in the frequency range of 5 to 500 to 5 Hz with a sweep time of 15 minutes (see figure 1 and 4.8.4.8.7). 3.4.9 Durability. The fan shall be capable of operating 1000 hours continuously at 272 V dc and
34、 49850 Pa (20.2 inches of water) pressure without performance degradation and without any maintenance or malfunction (except brushes may be replaced after not less than 500 hours). During the 1000 hours, the fan shall be in an ambient temperature of 2111 C (7020 F) and shall be switched off and on e
35、very 24 hours. A 1 minute off time shall be employed (see 4.8.4.9). 3.5 Finish. Exposed ferrous and aluminum surfaces shall be cleaned, treated, primed and finished in accordance with best commercial practice (see 4.8.2). The finish color shall match color chip number 24533 (green) of FED-STD-595. P
36、rovided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-62563B(AT) 6 3.6 Identification marking. Nameplates and product marking shall be as specified on Drawing 12292099 (see 4.8.2). 3.7 Workmanship. The fan shall be free of defects such as burrs, sha
37、rp edges, corrosion, soil, dirt and any defects that would affect its performance or appearance (see 4.8.2). 4. VERIFICATION 4.1 Classification of inspection. The inspection requirements specified herein are classified as follows: a. First article inspection (see 4.3) b. Conformance inspection (see
38、4.4) 1. Examination (see 4.5) 2. Acceptance test (see 4.6) c. Control test (see 4.7) 4.2 Inspection conditions. Unless otherwise specified (see 6.2), all inspections shall be conducted under the following conditions: a. Air temperature: 2310 C (7318 F) b. Barometric pressure: 96 +6.8/-10.1 kPa (28.5
39、 +2/-3 inches of mercury) c. Relative humidity: 5030% 4.3 First article inspection. Unless otherwise specified (see 6.2), first article inspection shall be performed on three fans when a first article sample is required (see 3.1). This inspection shall include the examinations of 4.5 (see table V) a
40、nd the tests of table III in the order specified in table IV. 4.4 Conformance inspection. Conformance inspection shall include the examinations of 4.5 and the tests of 4.6 and 4.7. 4.5 Examination. 4.5.1 Sampling. Samples from an inspection lot for conformance inspection shall be selected in accorda
41、nce with ANSI/ASQ Z1.4. Each sample selected shall be inspected as specified herein for the defects listed in table V. Conformance to a lot shall be accepted when zero (0) defects are found and rejected when one (1) or more defects are found. Provided by IHSNot for ResaleNo reproduction or networkin
42、g permitted without license from IHS-,-,-MIL-PRF-62563B(AT) 7 TABLE III. Classification of inspections. Title Requirement Inspection First article Quality conformance Control Examination Acceptance (100%) Materials and construction 3.2, 3.3 and 3.3.2 4.8.1 X Defects (see table V) 3.3, 3.3.2, 3.5, 3.
43、6 and 3.7 4.8.2 X X Weight 3.3.1 4.8.3 X Voltage 3.4.1 4.8.4.1 X X Operational performance 3.4.2 4.8.4.2 X X X Rated performance 3.4.3 4.8.4.3 X X Electromagnetic interference suppression 3.4.4 4.8.4.4 X Insulation resistance 3.4.5 4.8.4.5 X X Dielectric strength 3.4.6 4.8.4.6 X X Noise level 3.4.7
44、4.8.4.7 X High temperature 3.4.8.1 4.8.4.8.2 X Low temperature 3.4.8.2 4.8.4.8.3 X Steam and water- jet cleaning 3.4.8.3 4.8.4.8.4 X Humidity 3.4.8.4 4.8.4.8.5 X Shock 3.4.8.5 4.8.4.8.6 X Vibration 3.4.8.6 4.8.4.8.7 X X Durability 3.4.9 4.8.4.9 X Provided by IHSNot for ResaleNo reproduction or netwo
45、rking permitted without license from IHS-,-,-MIL-PRF-62563B(AT) 8 TABLE IV. Order of first article inspection. 1/ Title Inspection Sample 1 2 3 Defects 4.8.2 X X X Insulation resistance 4.8.4.5 X X X Dielectric strength 4.8.4.6 X X X Rated performance 4.8.4.3 X X X Weight 4.8.3 X X X Voltage 4.8.4.1
46、 X X X Electromagnetic interference suppression 4.8.4.4 X X X High temperature 4.8.4.8.2 X X Low temperature 4.8.4.8.3 X X Steam and waterjet cleaning 4.8.4.8.4 X X Humidity 4.8.4.8.5 X X Vibration 4.8.4.8.7 X X Noise level 4.8.4.7 X X Shock 4.8.4.8.6 X X Durability 4.8.4.9 X 1/ First article inspec
47、tion shall include an inspection of contractor records in accordance with 4.8.1. TABLE V. Classification of defects. Category Defect Method of examination Critical None Major 101 Dimensions affecting interchangeability, out of tolerance (see 3.3). SIE 1/ 102 Nonconformance in design and construction
48、 (see 3.3 and 3.3.2). Visual 103 Faulty workmanship affecting performance (see 3.7). Visual Minor 201 Dimensions not affecting interchangeability, out of tolerance (see 3.3). SIE 202 Improper finish (see 3.5). Visual 203 Improper identification marking (see 3.6). Visual 204 Faulty workmanship affect
49、ing appearance (see 3.7). Visual 1/ SIE = Standard Inspection Equipment. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-62563B(AT) 9 4.6 Acceptance tests (100 percent). Each fan shall be subjected to the test specified in table III. Failure of the test shall b
