CCHpdf. Uploaded by Pedro Figueroa Martínez. Copyright: © All Rights Reserved. Download as PDF or read online from Scribd. Flag for inappropriate. CCH (Inspection Steel Castings for HEPP Machines) – Free download as PDF File .pdf) or read online for free. Inspection Steel Castings for HEPP. CCH 70–2, CCH 70–3. DIN part 1, part 2. EN , EN , EN EN , EN EN , EN , EN EN , (ISO.
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The inspection will be made using aprobe with a separatetransmitter receiver of4 MHz wherever possible for thicknessesor depths 2 50 mm.
The extent of the defect is expressed in percentage of the distance amplitude curve.
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It will be the responsibility ofthe issuer of Quality Sheets QS to clearly complete those sheets, so as to define without ambiguity the place of examination and consequently the state of advancement required for the various controls prescribed. The poles of an electromagnet fig. Table I The surfaces are tobe prepared in relationto the acceptance criteria. In the absence of specification, the founder will usethe technique described in part 1.
The Designer decides to either: Regardless of the process or processesChosen by the User, their efficiency will have to be demonstrated. Every apparatus must havea labe1 indicating the date of calibration validity. In case fluorescentproducts are used, the part or area examined must be located in a dark area, where the level cxh white light will not exiceed 40 Iux.
These repairs are executed by the Founder and are recorded. Beyond this depthclass 3 in PT or class 2 in MT is vch. Notify me of new comments via email.
In a Same section, the Designer can determine several classes of severity. This guarantee englagesthe Designer, Manufacturerand Founder to carry out all necessary repairsas soon as possible, by appropriate professional techniques defined by the CCH and procedures, and to ensure that the state of the repairedCasting meets the original specifications or, if such specifications have ccg been establishedto meet the professional Standard.
It is important to insure the homogeneity of the ink. The water jet shall be at least 30 cm from the surface. This report will be submitted to the Designer. The dimensioning involvesthe demarcation of the loss of back echo AF.
The Quality sheets should be part of: It is therefore applicable for all items having at least one element inCast steel and constituing one Part of a hydraulic machine. We are a non-profit group that run this website to share documents. Tim Van Berkel, from Australia, came in second in 3hr 55min 8sec, ahead of his fellow countryman Luke Mc Kenzie, with a time in 3hr 59min 18sec. These processes are not equivalent to each other with regard to: These blocks are made of Cast steel and presentthe acoustic characteristics which are similar to the material to be inspected.
Minimum penetration soaking time is 10 minutes, but longer penetration timesmay be necessary on polished surfaces, narrowdiscontinuities or at temperaturesbelow 15 “C.
Deutsch, Englisch and France. You are commenting using your Twitter account. The demarcation between superficial and median areas is not always clearly defined when the Casting is of complex shape.
QP followed by a number: The costs will be spread in accordancewith 5. For Spot check inspections the following regulation will be applied: June CCH The third edition adapted: MT Magnetic Testing. The Designer will not be allowed to impose more severe conditions to the Founder and the Manufacturer than the ones 703- has accepted himself. If necessary and if the Casting allows such inspection, confirmative radiographic inspection may be required, provided that the inspection criteria had been defined on the Quality Sheet whenthe Order was placed.
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