1、The Engineering Society For Advancing Mobility Land Sea Air and SpaceI N T E R NA T I O N A L 400 Commonwealth Drive, Warrendale, PA 15096-0001AEROSPACESTANDARDCopyright 1997 Society of Automotive Engineers, Inc.All rights reserved.Printed in U.S.ASAE Technical Standards Board Rules provide that: “T
2、his report is published by SAE to advance the state of technical andengineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use , includingany patent infringement arising therefrom, is the sole responsibility of the user.”SAE revie
3、ws each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invit esyour written comments and suggestions.Submitted for recognition as an American National StandardAS7112/1NATIONAL AEROSPACE AND DEFENSE CONTRACTORSACCREDITATION PROGRAMHOSE MANUFA
4、CTURING REQUIREMENTS1. SCOPE:This Aerospace Standard (AS) is to be used as a supplement to SAE AS7112. In addition to therequirements contained in AS7112, the requirements contained herein shall apply to suppliers seeking NADCAP Fluid System Components Accreditation for Hose Manufacturer.Hose may be
5、 manufactured as a “Qualified“ end item (bulk) or to be qualified as part of an assembly. The corresponding PRI Audit Criteria (AC) is to be applied to ensure the hose is manufactured to theapplicable specification(s) and standard(s).2. REFERENCES:2.1 SAE Publications:Available from SAE, 400 Commonw
6、ealth Drive, Warrendale, PA 15096-0001.AS7112 National Aerospace and Defense Contractors Accreditation Program (NADCAP) - FluidSystem Components Manufacturing RequirementsQUESTIONS REGARDING THIS DOCUMENT: (412) 772-8510 FAX (412) 776-0243TO PLACE A DOCUMENT ORDER: (412) 776-4970 FAX (412) 776-0790I
7、ssued 1997-12Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS7112/1- 2 -2.2 PRI Publications:Available from Performance Review Institute, 161 Thornhill Road, Warrendale, PA 15086-7527.AC7112 Nati
8、onal Aerospace and Defense Contractors Accreditation Program (NADCAP) - FluidSystem Components Manufacturing Requirements- NADCAP Fastener Manufacturing Auditor Handbook2.3 Definitions:CP: Chemical ProcessingGQS: General Quality SystemsHT: Heat TreatingMTL: Materials Testing LaboratoriesNDT: Nondest
9、ructive testingWLD: WeldingPROCEDURE: A written document under document control that defines “how-to“ implement companypolicy. Procedures may reference supporting documents that meet this criteria.3. PTFE INNER EXTRUSION HOSE:3.1 General:3.1.1 There shall be a properly identified and referenced proc
10、edure to manufacture.3.1.2 Equipment shall be defined.3.1.3 Equipment shall be on suitable maintenance schedule.3.1.4 Instrumentation shall be defined.3.1.5 Instrumentation shall be on a verifiable calibration schedule.3.1.6 MSDs shall be on file.Copyright SAE International Provided by IHS under lic
11、ense with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS7112/1- 3 -3.2 Raw Material Procedure:3.2.1 There shall be a properly identified and referenced procurement specification for PTFE that identifiesthe following:a. Lot identification and lot controlb.
12、Handling precautionsc. Refrigeration for storage3.2.2 Requirements for certification by supplier shall be established for:a. Particle size distributionb. Rheometer pressurec. Bulk density.d. Standard specific gravity3.2.3 Requirements for incoming verification shall be established, including:a. Pack
13、agingb. Labeling and identificationc. Verification of moisture content checked and recordedCopyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS7112/1- 4 -3.2.4 Lubricant shall comply with the followi
14、ng:a. There shall be a properly identified and referenced procurement specification.b. The lubricant shall be received with certifications of conformance to specification.c There shall be a procedure for storage and handling of volatile lubricants. This procedure shall beavailable in the work area.3
15、.2.5 Carbon shall comply with the following:a. There shall be a properly identified and reference procurement specification.b. The material received with certifications of conformance to specification.c. There shall be a procedure for handling and storage of carbon. This procedure shall be available
16、in the work area.3.3 Compounding and Blending:3.3.1 There shall be a written procedure for compounding, blending and storing blended powder.3.3.2 The compounding room shall be refrigerated, controlled, and calibrated.3.3.3 There shall be guidelines for storage and handling of PTFE prior to blending.
17、3.3.4 There shall be procedures for screening of PTFE in blending.3.3.5 “Age“ limits shall be established for resin, blend preforms, etc., and appropriate records shall bemaintained.3.3.6 Dispensing equipment shall be calibrated and records of calibrations shall be maintained.3.3.7 Blending time and
18、 speed shall specified and monitored.3.3.8 There shall be adequate cleaning of equipment to eliminate “overworked“ particles of PTFE.3.3.9 “Overage“ material shall be properly dispositioned.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking
19、permitted without license from IHS-,-SAE AS7112/1- 5 -3.4 Preforming (Billet Making):3.4.1 There shall be a properly identified and referenced written procedure that provides for the following:a. Proper cleaning of toolsb. Screening blended mixc. Definition and monitoring of ram speed and ram pressu
20、red. Definition of time and temperature at pressuree. Venting while pressurizingf. Age control of the preform3.5 Extrusion/Sintering:3.5.1 There shall be a written procedure for extruding that provides for the following:a. Proper cleaning, storage and inspection of toolsb. Identification of equipmen
21、t to be usedc. Definition and verification of extrusion speedd. Definition of verifiable time and temperature for vaporizatione. Adequate vacuum or air dry before sinterf. For the sinter process, definition of time and temperatureg. Safety precautions and procedures for employee protection against d
22、ecomposition productsh. Heat lot identification to be assigned to all innercore made from raw material lots processed fromone billet (or extruder charge) in one sinter batchi. Retention of verifiable evidence of acceptable tensile and elongation for each lot of innertubeCopyright SAE International P
23、rovided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS7112/1- 6 -3.5.1 Continued:j. Retention of verifiable evidence of acceptable apparent and relative specific gravity for each lot ofinnercorek. If required, retention of verifia
24、ble evidence of acceptable crush roll test in accordance withapplicable specificationsl. Retention of verifiable evidence of acceptable proof pressure test after crush rollm. Retention of verifiable evidence of acceptable visual examination of innertube after proof testn. Retention of verifiable evi
25、dence of dimensional checks for I.D. and wall thickness3.5.2 The extrusion process shall be under process control.3.5.3 Are markings suitable to identify accepted innertube and the related lot number for all lengths ofinnertube that are ready for stores or braiding.4. ELASTOMERIC INNERTUBE:4.1 Gener
26、al:4.1.1 There shall be a properly identified and referenced procedure to manufacture.4.1.2 Equipment shall be defined.4.1.3 Equipment shall be on a suitable maintenance schedule.4.1.4 Instrumentation shall be defined.4.1.5 Instrumentation shall be on verifiable calibration schedule.4.1.6 MSDs shall
27、 be on file.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS7112/1- 7 -4.2 Raw Material:4.2.1 There shall be a properly identified and referenced procurement specification that addresses thefollo
28、wing:a. Lot identification and lot controlb. Handling precautionsc. Storage requirements4.2.2 Requirements for certification by supplier shall be established for:a. Viscosityb. Material specific specificationsc. Specific gravity4.2.3 Requirements for incoming checks shall be established for:a. Packa
29、gingb. Labeling and identificationc. Certificate of analysis4.3 Compounding and Mixing:4.3.1 There shall be a written procedure for compounding, mixing, and storing mixed products.4.3.2 There shall be provisions for the traceability of compound batch number back to ingredient lotnumbers.4.3.3 The mi
30、xing operation shall be environmentally controlled and calibrated.4.3.4 There shall be guidelines for storage and handling of raw materials prior to mixing.4.3.5 There shall be procedures for screening of raw materials before mixing.Copyright SAE International Provided by IHS under license with SAEN
31、ot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS7112/1- 8 -4.3.6 As applicable, “age“ limits shall be established for raw materials, and appropriate records shall bemaintained.4.3.7 There shall be provisions included in the calibration procedure to assure the ac
32、curacy of“weighing“ equipment.4.3.8 Mixing time, temperature, power, pressure, and speed shall be specified and monitored.4.4 Extrusion:4.4.1 There shall be a written procedure for extruding that provides for the following:a. Proper cleaning, storage, and inspection of toolsb. Identification of equi
33、pmentc. Definition and verification extrusion speedd. Innertube lot identification back to compound batch numbere. Evidence of applicable dimensional checksf. Are hardness readings taken4.5 Handling and Storage:4.5.1 Storage, handling, and packaging requirements shall be specified.4.5.2 There shall
34、be procedures in place to assure that customer requirements are met.4.5.3 There shall be evidence that procedures are followed.5. TUBE MANUFACTURER:5.1 There shall be a written procedure for tube manufacturing.5.2 There shall be suitable controls on the welding process used to manufacture the tube.5
35、.3 There shall be a procedure in place to verify the quality of the tube weld.5.4 The handling and storage criteria shall be adequate to prevent damage to the tube.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license
36、from IHS-,-SAE AS7112/1- 9 -6. METAL CONVOLUTED INNERCORE:6.1 General:6.1.1 There shall be a properly identified and referenced procedure to manufacture that addresses thefollowing:a. Definition of equipmentb. Suitable maintenance schedule for equipmentc. Definition of instrumentation6.1.2 Instrumen
37、tation shall be on a verifiable calibration schedule.6.2 Raw Material:6.2.1 There shall be a properly identified and referenced procurement specification for metal strip ortube that addresses the following:a. Heat lot identification and lot controlb. Definition of handling precautions6.2.2 Requireme
38、nts for certification by supplier shall be established for:a. Chemical compositionb. Physical/mechanical propertiesc. Thermal treatmentd. Dimensional propertiese. Material identification6.2.3 Does the innercore manufacturer have a program to verify material certification.Copyright SAE International
39、Provided by IHS under license with SAENot for ResaleNo reproduction or networking permitted without license from IHS-,-SAE AS7112/1- 10 -6.2.4 Is there a procedure for control of raw material shipment prior to release to stores.6.2.5 Is the material properly identified and stored in raw material sto
40、res.6.3 Convolute Forming:6.3.1 There shall be a properly identified and referenced written procedure that addresses the following:a. Identification of the equipment to be usedb. Safety precautions and procedures for employee protectionc. Heat lot traceability to the innertubed. Retention of verifia
41、ble evidence of dimensional checks for ID, OD, convolution height,convolution count, and convolution geometrye. Retention of verifiable evidence of acceptable proof pressure test at qualification7. PTFE Convoluted Innercore:7.1 General:7.1.1 There shall be a properly identified and referenced proced
42、ure to manufacture that addresses thefollowing:a. Definition of equipmentb. Suitable maintenance schedule for equipmentc. Definition of instrumentation7.1.2 Instrumentation shall be on a verifiable calibration schedule.Copyright SAE International Provided by IHS under license with SAENot for ResaleN
43、o reproduction or networking permitted without license from IHS-,-SAE AS7112/1- 11 -7.2 Raw Material:7.2.1 There shall be a properly identified and referenced procurement specification or fabricationprocess for the PTFE tape or PTFE innertube materials that addresses the following:a. Heat lot identi
44、fication and lot controlb. Handling precautions7.2.2 Requirements for certification by supplier shall be established for:a. Physical/mechanical propertiesb. Dimensional propertiesc. Material identification7.2.3 The innercore manufacturer shall have a program to verify material certification.7.2.4 Pr
45、ocedures shall provide for control of raw material shipment prior to release to stores.7.2.5 Material in raw material stores shall be properly identified and stored.7.3 PTFE Tube Manufacturer:7.3.1 There shall be a procedure for PTFE tube manufacturing.7.3.2 Suitable controls shall be established fo
46、r the process used to manufacture the tube.7.3.3 There shall be a procedure in place to verify the quality of the tube.7.3.4 Handling and storage criteria shall be adequate to prevent tube damage.Copyright SAE International Provided by IHS under license with SAENot for ResaleNo reproduction or netwo
47、rking permitted without license from IHS-,-SAE AS7112/1- 12 -7.4 Convolute Forming:7.4.1 There shall be a properly identified and referenced procedure that addresses the following:a. Identification of the equipment to be usedb. Safety precautions and procedures for employee protectionc. Lot traceabi
48、lity to the PTFE innertubed. Verifiable evidence of dimensional checks for ID, OD, convolution height, convolution count,and convolution geometry8. REINFORCEMENT/BRAIDED:8.1 Raw Material:8.1.1 There shall be a procurement specification.8.1.2 Certification shall be by lot control.8.1.3 There shall be
49、 provisions for periodic verification for steel wire to confirm material properties inaccordance with specification including test results.8.1.4 Proper storage conditions shall be specified and followed.8.2 Bobbin Winding:8.2.1 There shall be a properly identified and referenced procedure for bobbin winding that addressesthe following:a. Identification of the type of material (w
