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PROCESS ENGINEERING ORDER
DPS 1.04-1
THE BOEING COMPANY
LONG BEACH, CA
LAMINATING “A” STAGE POLYESTER SYSTEMS HANDLING INSTRUCTIONS (HI):
RELEASE APPROVALS
3. COMPLY WHEN INVOKED BY DRAWING OR OTHER AUTHORITY.
4. COMPLIANCE OPTIONAL; NO ENGRG. REQUIREMENT.
5. NOTED.
This PEO is authority to release DPS 1.04-1, Revision “E” R-1. This Revision replaces andincludes Revision “D”. PEO “E” R-1 replaces PEO “E” dated 06-17-04.
- Changed DPM 6231-1 to DPM 6231-2 and updated the resin/catalyst ratio Reason: Previously, this DPM contained a product (Epocast 50-A) that contains pentabromediphenyl ether and is not in compliance with the European - Deleted DPM’s 2301, 5472 and 6231-1. Added DPM’s 5355, 5355-1 and 6231-2. Updated various DPMs with current information.
Reason: To be current with the DPM Index.
Reason: New DPM was qualified with a new cure schedule.
- Changed from DPM 5472 to DPM 5355.
Reason: DPM 5472 was superseded by DPM 5355.
- Changed from DPM 2301 to DPM 5355-1.
Reason: DPM 2301 was superseded by DPM 5355-1.
- Changed Quality Assurance Provisions format.
Reason: To transfer the responsibility for Quality compliance to either QualityAssurance or by the organization doing the work.
THE BOEING COMPANY PROPRIETARY RIGHTS ARE INCLUDED IN THE INFORMATION DISCLOSED HEREIN. RECIPIENT BY ACCEPTING THIS DOCUMENT AGREES THAT NEITHER THIS DOCUMENTNOR THE INFORMATION DISCLOSED HEREIN NOR ANY PART THEREOF SHALL BE REPRODUCED OR TRANSFERRED TO OTHER DOCUMENTS OR USED OR DISCLOSED TO OTHERS FORMANUFACTURING OR FOR ANY OTHER PURPOSE EXCEPT AS SPECIFICALLY AUTHORIZED IN WRITING BY THE BOEING COMPANY.
UNPUBLISHED - CREATED ON PREPARATION DATE OF THIS DOCUMENT. ALL RIGHTS RESERVED UNDER THE COPYRIGHT LAWS BY THE BOEING COMPANY.
*R-1 issued to change “Design” back to “Douglas” for basic document title.
Approved by M&P DER 08-31-04 M. A. Forrest-Woodward THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
LAMINATING “A” STAGE POLYESTER SYSTEMS SCOPE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . APPLICABLE DOCUMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MATERIALS & SPECIAL EQUIPMENT . . . . . . . . . . . . . . . . . . . . . . . . . . REQUIREMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mold Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Honeycomb Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reinforcement Plies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Resin/Catalyst Ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RESIN/CATALYST RATIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Resin/Dry Cloth Ration and Impregnation . . . . . . . . . . . . . . . . . . . . . . . . Laminating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Curing, General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Vacuum Bag Cure (Type 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Press Molding Cure (Type 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . PRESS MOLDING CURE CYCLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cold Set Cure (Type 2A + 2B) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cold Set Cure (Type 2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Finished Parts, Resin Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . INSTRUCTIONS/PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Supplier Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety/Fire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Material Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Mold Preparation, Vacuum and Bag and Contact Molding . . . . . . . . . . Mold Preparation, Press Molding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Honeycomb Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Reinforcement Plies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Resin/Dry Cloth Ratio (Types1 and 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . RESIN/DRY CLOTH RATIO (EXAMPLES)(PARTS BY WEIGHT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cloth Impregnation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Processing Type 1 Resin System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LAMINATING “A” STAGE POLYESTER SYSTEMS 5.10.1 Resin/Catalyst Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RESIN/CATALYST WEIGHT FOR TYPE I POLYESTER . . . . . . . . . . . 5.10.2 Laminating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.10.3 Vacuum Bagging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.10.4 Vacuum Bag Curing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.10.5 Press Mold Curing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Processing Type 2A Resin/Peroxide Paste System . . . . . . . . . . . . . . . 5.11.1 Resin Catalyst Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RESIN CATALYST WEIGHTS FOR TYPE 2A COLD SET POLYESTER RESIN, (BENZOYL PEROXIDE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.11.2 Laminating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.11.3 Vacuum Bagging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.11.4 Curing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Processing Type 2B Resin/DDM Catalyst System . . . . . . . . . . . . . . . . . 5.12.1 Resin/Catalyst Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.12.2 Laminating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.12.3 Vacuum Bagging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.12.4 Curing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RESIN/CATALYST WEIGHTS FOR TYPE 2B COLD SET POLYESTER RESIN, DDM CATALYST . . . . . . . . . . . . . . . . . . . . . . . . . . Processing Type 2C Epocast 50A/9816 Resin System . . . . . . . . . . . . . 5.13.1 Resin/Catalyst Mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.13.2 Laminating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.13.3 Vacuum Bagging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.13.4 Curing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RESIN/CATALYST WEIGHTS FOR TYPE 2C COLD SET EPOCAST 50-A1/9816 CATALYST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . QUALITY CONFORMANCE/CONTROL PROVISIONS . . . . . . . . . . . . Process Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Quality Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nonconformances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DOUGLAS PROCESS STANDARD
DPS 1.04-1
REVISION “E” R-1
THE BOEING COMPANY
ISSUE OF 06-17-04REPLACES REVISION “D”PAGE 1 OF 10 LAMINATING “A” STAGE POLYESTER SYSTEMS 1.1 This Process Standard specifies the requirements and instructions for laminating with “A” stage polyester resin systems. It shall be used when specifiedby an Engineering drawing or other authority.
1.2 Classification - Polyester resin “A” stage systems shall be classified as one 3.1 The materials and special equipment necessary to perform the required operations of this DPS are listed in this section. The process materials and specialequipment have been categorized as Mandatory or Substitutable. The category ofSubstitutable applies to Suppliers [Subcontractors, Vendors, and The BoeingCompany components].
UNPUBLISHED - CREATED ON PREPARATION DATE OF THIS DOCUMENT. ALL RIGHTSRESERVED UNDER THE COPYRIGHT LAWS BY THE BOEING COMPANY.
THE BOEING COMPANY PROPRIETARY RIGHTS ARE INCLUDED IN THE INFORMATION DISCLOSED HEREIN. RECIPIENT BY ACCEPTING THIS DOCUMENT AGREESTHAT NEITHER THIS DOCUMENT NOR THE INFORMATION DISCLOSED HEREIN NOR ANY PART THEREOF SHALL BE REPRODUCED OR TRANSFERRED TO OTHERDOCUMENTS OR USED OR DISCLOSED TO OTHERS FOR MANUFACTURING OR FOR ANY OTHER PURPOSE EXCEPT AS SPECIFICALLY AUTHORIZED IN WRITINGBY THE BOEING COMPANY.
MATERIALS & SPECIAL EQUIPMENT - MANDATORY The use of Boeing approved manufacturers’ products and special equipment listed in this section, andreferenced within the DPS, is mandatory.
When a government or industry specification is shown and a manufacturer’s product is listed, that product(or a Boeing approved alternative product) is mandatory. A DPM material having an approved alternativeproduct(s) is so noted with the Footnote (1).
When a government or industry specification is shown and no manufacturer’s product is listed, therequired material is one that is listed on the material specification QPL or one that meets the specificationrequirements, if no QPL exists.
Requests for substitution of mandatory materials or special equipment shall be submitted to The BoeingCompany for M&PE approval. The deviation request shall be prepared by the Supplier in the form of achange to the existing DPS using a Serial Process Engineering Order (SPEO), Form 25-1710.
MATERIALS & SPECIAL EQUIPMENT - SUBSTITUTABLE Materials and special equipment listed in this section are used at The Boeing Company. Suppliers mayuse these materials and special equipment or substitute materials and special equipment which arefunctionally equivalent or superior. The substitute material or special equipment shall not degrade theprocess, part, or assembly, or material properties.
The specific substitutions shall be recorded in Supplier planning or process documentation.
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
MATERIALS & SPECIAL EQUIPMENT - SUBSTITUTABLE [The numbers assigned to Douglas Process Materials (DPM’s) are for internal company use. DPM’s areQPL’s for Boeing approved alternative products or sources.] FOOTNOTES: (1) Contact the Boeing buyer for approved alternate products or sources that are listed in the Douglas Process Material (DPM) Index for Boeing use.
4.1 Equipment - Processing equipment shall comply with DPS 1.04-15.
4.2 Mold Preparation - Molds shall be clean and coated with a mold release of a type that will not transfer to the molded surface.
4.3 Honeycomb Processing - Honeycomb shall be prepared for laminating per 4.4 Reinforcement Plies - The number and type of reinforcement plies shall be as specified by the drawing and DPS 1.04-15.
4.5 Resin/Catalyst Ratio - The resin/catalyst ratio and mixing procedures shall be Do not mix catalysts and promoters or accelerators together. Mix theaccelerator or promoter with the resin before adding the catalyst.
1 part by weight DPM 712 Benzoyl peroxide 1 part by weight of DPM 5544 accelerator; 2 parts by weight of DPM 712 Benzoylperoxide paste (1) 0.17 part by weight of DPM 719 cobalt drier; NOTE: (1) This amount of benzoyl peroxide paste catalyst provides a 52-minute potlife. When a shorter pot life is satisfactory, the proportion of the DPM 712 catalystshall be increased.
THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
4.6 Resin/Dry Cloth Ration and Impregnation - The resin/dry cloth ratio shall be 80 parts by weight of resin for each 100 parts by weight of dry glass fiber cloth. Thecloth shall be impregnated at this ratio per DPS 1.04-15.
4.7 Laminating - The impregnated cloth shall be laid up per DPS 1.04-15.
4.8.1 Temperatures shall be measured at the part surface in contact with the mold.
4.8.2 Specified cure cycles are the minimum required and shall be extended as necessary to obtain a complete cure of the part.
4.8.3 When practicable after curing, parts shall be allowed to cool below 130°F (54°C) before removal from the mold.
4.9 Vacuum Bag Cure (Type 1) - Type 1 layups shall be vacuum bagged per DPS 1.04-15. The minimum cure cycle for the part shall be 2 hours at 325° ± 15°F(163° ± 8°C) under a minimum vacuum of 24 inches of mercury (12 psi).
4.10 Press Molding Cure (Type 1) - The minimum press molding cure cycle for Type 1 parts shall be as specified in Table 4.2. A minimum pressure of 50 psi shall beapplied.
0.000” to 0.093” 0.093” to 0.125” 0.125” to 0.250” 0.250” and up 4.11 Cold Set Cure (Type 2A + 2B) - The part shall be cured for 7 hours at room temperature or the resin shall be allowed to gel for 1 hour at room temperature followedby curing 3 hours at 150° ±15°F (66° ± 8°C).
4.12 Cold Set Cure (Type 2C) - The part shall be cured for 20 hours minimum at room temperature before handling or machining. Full cure shall occur after 7 days.
The cure may be accelerated by allowing the laminate to gel and cure at roomtemperature for 24 hours minimum, and then heating at 150° ± 5°F for 2 hoursminimum.
4.13.1 Finished parts shall meet the requirements of DPS 1.04-15.
4.13.2 Resin content shall be 34 ± 3% for vacuum bag cured parts and 32 ±3% for press cured parts. When using glass fiber mat as a reinforcing material, the resincontent shall be 45 ± 5%.
THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
5.1 Supplier Procedures - A supplier is not required to comply with the Instructions section of this DPS if the supplier has written instructions that result in compliance withthe Requirements section. However, when there are specific instructions invoked in aspecific requirements paragraph, figure, or table, the supplier is required to comply withthe instructions referenced within that paragraph, figure or table. Supplier materialsubstitutions are to be handled per Section 3.
5.2 Safety/Fire - The Douglas Safety Manual outlines the general safety precautions to be observed in connection with the procedures of this DPS. For detailedinstructions, consult Industrial Hygiene and Safety Services (IH&S) or Fire Services forfire, health, and safety regulations.
5.3 Material Handling - Keep containers of liquid resin and catalysts tightly closed when not in use. Store containers and glass products in a clean dry area at atemperature below 80°F (27°C).
5.4 Mold Preparation, Vacuum and Bag and Contact Molding - Clean the mold and apply one of the following mold release combinations per DPS 1.04-15: 5.4.1 DPM 590 automobile wax and DPM 5355 mold release.
5.4.2 DPM 590 automobile wax and DPM 5355-1 high temperature mold release.
5.5 Mold Preparation, Press Molding - Clean the mold and apply DPM 5355 mold 5.6 Honeycomb Processing - Prepare honeycomb for laminating per DPS 1.04-15.
5.7 Reinforcement Plies - Select the number of reinforcement plies from the applicable table in DPS 1.04-15 or from the drawing.
5.8 Resin/Dry Cloth Ratio (Types1 and 2) - Weigh the desired amount of dry glass fiber cloth in grams. Weigh the required amount of catalyzed resin mixture (specified inTable 5.1) in grams, based on the ratio of 80 parts by weight of resin for each 100 partsby weight of dry glass cloth. Table 5.1 gives examples.
THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
5.9.1 Ensure that the cloth is clean and dry before and during impregnation.
5.9.2 Use extreme care to ensure that glass fiber threads of the cloth are not broken, abraded, separated, bunched together, soiled, contaminated, or damaged inany other manner that could result in reduction of strength of the part.
5.9.3 Using the resin/dry cloth ratio per Table 5.1, impregnate the glass fiber cloth, either In individual sheets or in a stacked group using the applicable resin system forType 1 or 2.
NOTE: When using glass fiber cloth as a reinforcement, it is generally easierto preimpregnate the cloth on a table prior to laminating.
5.10.1 Resin/Catalyst Mixing - Weigh the required amount of DPM 754 polyester resin and add 2% by weight of DPM 712 benzoyl peroxide paste per Table 5.2. Mixthoroughly, avoiding inclusion of air bubbles.
RESIN/CATALYST WEIGHT FOR TYPE I POLYESTER 5.10.2 Laminating - Impregnate the dry glass cloth with the mixed resin per paragraph 5.9. Lay up the impregnated glass fiber cloth per DPS 1.04-15.
5.10.3 Vacuum Bagging - Vacuum bag the layup per DPS 1.04-15.
5.10.4 Vacuum Bag Curing - Cure the part for 2 hours minImum at 325° ± 15°F (163° ± 8°C) under a minimum vacuum of 24 inches of mercury (12 psi).
5.10.5 Press Mold Curing - Prior to placing part in the press, ensure that mold surfaces are at the applicable temperature specified in Table 4.2. Cure the part under50 psi minimum pressure for the minimum applicable time and at the applicable timeand at the applicable temperature specified in Table 4.2.
NOTE: When large parts are involved, it may be necessary to reduce thetemperature of the lower platen by approximately 50°F to prevent the resinfrom setting while closing the press.
THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
5.11 Processing Type 2A Resin/Peroxide Paste System - See paragraph 5.12 and Do not mix catalysts and promoters or accelerators together. Mix theaccelerator or promoter with the resin before adding the catalyst.
5.11.1 Resin Catalyst Mixing - Weigh the required amount of DPM 754 polyester resin. Add 1% by weight of DPM 5544 accelerator to the resin, mIxing thoroughly. AddDPM 712 benzoyl peroxide paste for the desired pot life (see Table 5.3) and mixthoroughly, avoidIng the inclusion of air bubbles.
NOTE: Add 2% of DPM 5608 filler when required for Type 2 polyesterresin systems.
RESIN CATALYST WEIGHTS FOR TYPE 2A COLD SET POLYESTER RESIN, 5.11.2 Laminating - Impregnate the dry glass cloth with the mixed resin per paragraph 5.9. Lay up the impregnated glass cloth per DPS 1.04-15.
5.11.3 Vacuum Bagging - Vacuum bag Type 2 layups per DPS 1.04-15.
THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
5.11.4 Curing - Cure the part per one of the following methods: 5.11.4.1 Method 1 - Cure for 7 hours at room temperature. If no distortion will be caused, parts may be removed from the mold after 30 mInutes minimum cure and thecure (7 hours total) continued outside the mold at room temperature, or in an oven at150° ± 15°F (66° ± 8°C) for 3 hours.
5.11.4.2 Method 2 - Under vacuum bag pressure, allow the resin to gel for at least 1 hour at room temperature, then complete the cure by heating for 3 hours at 150° ±15°F (66° ± 8°C).
5.12 Processing Type 2B Resin/DDM Catalyst System 5.12.1 Resin/Catalyst Mixing - Weigh the required amount of DPM 754 polyester resin. Add 0.17% by weight of DPM 719 cobalt drier accelerator and mix thoroughly.
Add DPM 717 DDM catalyst per Table 5.4 and mix thoroughly, avoiding inclusion ofair bubbles.
NOTE: The pot life of a 100-gram mix is approximately 20 minutes.
Do not mix catalysts and promoters or accelerators together. Mix theaccelerator or promoter with the resin before adding the catalyst.
5.12.2 Laminating - Impregnate dry glass cloth with the mixed resin per paragraph 5.9. Lay up the impregnated glass cloth per DPS 1.04-15.
5.12.3 Vacuum Bagging - Vacuum bag Type 2 layups per DPS 1.04-15.
5.12.4 Curing - Cure the part per paragraph 5.11.4.
RESIN/CATALYST WEIGHTS FOR TYPE 2B COLD SET POLYESTER RESIN, THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
5.13 Processing Type 2C Epocast 50-A1/9816 Resin System 5.13.1 Resin/Catalyst Mixing - Weigh the required amount of DPM 6231-2 Epocast 50-A1 resin. Add 14% by weight of DPM 6231-2 9816 catalyst per Table 5.5and mix thoroughly taken care to avoid inclusion of air bubbles.
NOTE: The pot life of a 100-gram mix is approximately 90 to 180 minutes.
5.13.2 Laminating - Impregnate the dry glass cloth with the mix resin per paragraph 5.9. Lay-up the impregnated glass cloth per DPS 1.04-15.
5.13.3 Vacuum Bagging - Vacuum Bag Type 2 lay-ups per DPS 104-15.
5.13.4 Curing - Allow the part to cure for 20 hours at room temperature before handling or machining. Full cure will be obtained after 7 days at room temperature.
The cure may be accelerated by allowing the laminate to gel, and cure at roomtemperature for 24 hours, followed by heating to 150° ± 5° for 2 hours minimum.
RESIN/CATALYST WEIGHTS FOR TYPE 2C COLD SET 6. QUALITY CONFORMANCE/CONTROL PROVISIONS 6.1 Process Control - Provide surveillance as necessary to determine compliance with this DPS and other applicable Engineering requirements.
6.2 Quality Control - Verification of compliance to the following may be performed by Quality Assurance or by the organization doing the work: 6.2.1 Laminates are void free when so specified.
6.2.2 Vacuum pressure bag laminates contain no bridged areas.
6.2.3 Aerodynamic, decorative, and visible utility surfaces meet the specIfied 6.2.4 Surface plies of parts are not sanded or ground through.
6.2.5 White or blushed areas do not exceed the specified limitations.
6.2.6 Parts do not contain visible or hidden delaminations.
6.2.7 Structural parts do not contain resin starved areas. Nonstructural parts do not contaIn resin starved areas in excess of that specified.
6.2.8 Excess resin in areas do not extend though the part thickness and that cracked or chipped resin is not present on the part.
6.2.9 Cloth wrinkles are not present in attach flange areas or attach flange radii.
Ensure cloth wrInkles in other areas do not exceed the specified limitations.
THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.
6.2.10 Nonconforming parts or conditions are handled in accordance with 6.3 Nonconformances - Process nonconformances in accordance with standard THE BOEING COMPANY - This information is subject to data rights legends on title page or first page.

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