HFS-03 Lock Standard - saf-holland

More documents

Recommendations

Info

HFS-03 – SAF-HOLLAND Lock Standard Page 8 of 35Rev. K (6/11)and are not acceptable. Any indication that appears tobe superficial may be acceptable within the above lengthguidelines.3.3.1.1.4 Attached are drawings that show areas where noindications are permitted. (Appendix B)3.3.1.2 Any indications that appear to have depth (bright clear indication) orexceed the lengths noted above shall be ground. Grinding shall notexceed 1/16” in depth. After grinding the parts, they shall bereinspected. If the indication is still present after grinding (i.e.,exceeds 1/16” in depth), the part shall be deemed unacceptable.(See Section 3.3.1.3.)3.3.1.3 Unacceptable indications are circumferential indications orlongitudinal indications that are in excess of 1/16” in depth. Anyunacceptable indications (parts) that are found subjects the rest ofthe lot to MPI that is sufficient to detect all unacceptable parts inthat suspect lot.3.3.1.4 If the magnetic particle inspection indicates the presence of a subsurfacedefect, the part shall be sectioned and a determinationmade as to the source of the indication and the seriousness of itspresence with the assistance of SAF-HOLLAND Engineering ifnecessary.3.3.1.5 Magnetic Particle Inspection - Machine procedures:3.3.1.5.1 Magnetic particle inspection shall be performed inaccordance with ASTM-E-709 and A-275 using a wetfluorescent magnetic particle method.3.3.1.5.2 Magnetization shall be performed using the circularmagnetic field method first by clamping from end to endand then turning the forging 90° between the heads orby use of a multidirectional magnetization technique.3.3.1.6 All inspectors/operators shall be qualified to Level I, SNT-TC-1A orMIL-STD-410 minimum or CGSB 48.971-2000. All evaluations ofnonconformances shall be done by qualified Level II or Level IIInon-destructive testing personnel.3.3.1.7 Inspection results shall be recorded. Records must show the heatcode on the part, time of inspection, results (acceptable orunacceptable) and identification of the person performing theinspection.3.3.1.8 Parts that have been found acceptable in magnetic particleinspection shall be returned to their original lot or batch. They arenot to be mixed with another heat code or mill heat of material.
HFS-03 – SAF-HOLLAND Lock Standard Page 9 of 35Rev. K (6/11)3.4 The forge shop shall submit grain flow samples in accordance with Appendix C andsamples for dimensional inspection to SAF-HOLLAND for approval as specified inHFS-01. New sample approval is required when there is a major change in processparameter such as (1) forge method, (2) stock size change, (3) design change in thepart configuration, (4) forging source location, or (5) new die not including a die resink.3.5 Dimensional Requirements:3.5.1 All locks must meet the dimensional requirements of the SAF-HOLLANDblueprint.3.5.2 Several dimensions have been selected by the forge source and a SAF-HOLLAND Quality Representative for SPC, or if significant characteristicsare specified on the blueprint, they shall be used for SPC. These aredimensions that are critical to subsequent processing by SAF-HOLLAND andalso indicate process control and tool condition to the forger. Thedimensions are shown in Appendix E or as specified on the blueprint.3.5.3 Dimensions noted in 3.5.2 will be charted using X & R charts and SPCtechniques. Copies of these results shall be submitted with the applicableshipment for all significant or SPC designated characteristics.3.6 Certification:3.6.1 Each shipment of material must be accompanied by a certification signed byan authorized corporate representative listing the following:3.6.1.1 SAF-HOLLAND part number and part description3.6.1.2 Quantity shipped and date3.6.1.3 Heat code designation3.6.1.4 Mill heat number3.6.1.5 Supplier (raw material)3.6.1.6 Chemical results and AISI, SAE, ASTM (or other) designation3.6.1.7 Jominy report (if required)3.6.1.8 Macro-etch report (written evaluation, if required)3.6.1.9 Purchase order number3.6.1.10 Dimensional inspection results - SPC results(Attach originals from steel mill of Chemical results, Macro-etch report andJominy report)4.0 SAF-HOLLAND Test Plan Procedure - SAF-HOLLAND Receiving4.1 One sample (lock forging) shall be selected for testing from each heat of partssupplied to SAF-HOLLAND.4.2 Testing Procedures:
Page 1 and 2: SAF-HOLLANDLock StandardHFS-03Rev.
Page 4 and 5: HFS-03 - SAF-HOLLAND Lock Standard

HFS-03 Lock Standard - saf-holland

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?