Questions regarding marker transplantation
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This post was last edited by lu*alm on 2009-12-31 10:49; they ordered me to carry out rivet inspection. The products being inspected were manufactured before December 1, 2009, so the old specifications apply. According to Article 10 of the old regulations, the material manufacturer must mark the materials with at least the code of the material manufacturing standard, the material grade, specifications, furnace batch number, a mark recognized by the safety supervision authority, the name of the material manufacturer, and a quality inspection seal. Article 24 also states that the materials must be marked for transplantation before processing. What I want to ask now is what needs to be transplanted for marker transplantation? It can’t be everything listed in Article 10. The manager said that the product number, material type, specifications, inventory number, and even the cutting dimensions should be visible on the steel plate after cutting. Should the date of material release be filled in on the inspection flow (record) card? These data include that But I think using the inventory number for transplantation is sufficient, as the inventory number in the warehouse includes information such as material and specifications. I wonder, fellow sailors, isn’t this too complicated? ? ? Is there anything inappropriate in what I said? Thank you all!
Material and specifications are definitely required. Q235-B ； Not everyone can tell the difference between Q345R at first glance. It’s even more difficult to distinguish between stainless steels such as 304 and 316L. If it isn’t marked, the workshop will use the wrong material. You said there’s an inventory number, and the workers come to ask you every time they need to take material?
I don’t think it’s necessary to transfer all the markings; it’s a waste of time. The workers in the workshop aren’t that careful either. As for material errors, they occur during the material receipt process. The main purpose of transferring the markings is to ensure traceability of the materials, so that it’s possible to determine the original source of the materials used in the products – which manufacturer and which batch they come from. Therefore, it’s sufficient to just transfer the marking numbers.
Sir on the 3rd floor, if only the inventory number is available, it’s possible to trace the materials, but during the production process, with all those steel plates and cylinders lying around, it’s necessary to check the warehouse records to find out what they are. It’s very difficult to identify them as specific products. So, marking the transplant requires at least the product number and material, as well as thickness? Also, is the cutting size needed as well? For example, in the case of a cylinder, it is determined which section a cylinder of a certain length belongs to. The dimensions are written down, which is simpler than using a ruler to measure. If all of this is written down, although the information becomes clear at a glance, it increases the workload for the workshop workers. It’s annoying when the size is beyond the range of the tape measure or when the marker runs out of ink. . . The riveter in the workshop also told me that, for example, it’s not necessary to check the roundness of the cylinder during quality inspection; if the cylinder isn’t round, it will make it difficult for him to align the cylinders, thus increasing his workload. So there are some things that the riveter can do by themselves. Is what he said reasonable? What should be prioritized?
I have a question: How is marker transplantation carried out? Is it to transfer the markings from the steel plate and then try to spray paint them onto the prepared material? I have never worked in a manufacturing factory.
So, as I understand it, the marking for transfer purposes and the marking you’re referring to are two different concepts. What you mention is merely the marking required for production; it’s not a permanent mark – markers or chalk can be used for such markings. It depends on the production time needed. These standards and regulations do not impose any mandatory requirements; what matters is that production is facilitated. However, for product numbering, it’s better to use stamping if possible; unless it’s stainless steel or low-temperature materials, in which case a permanent mark is required
It is necessary to perform label value transfer in production. It can be kept simple, but it should allow one to immediately understand the properties of the material, thereby preventing the use of the wrong material. Markings can be made with a marker or paint pen. The identification should include: the material number, the material grade, and the specifications. For those that are more detailed, add the material standards, place of origin, and purchase date as well.
For ordinary marking transplantation, it’s sufficient to transfer the material number, material grade, and thickness. Moving too much is too troublesome.
According to Article 10 of the old regulations, material manufacturers must mark the materials; these markings refer to stamp marks on the materials, which should include information such as the material type, specifications, supplier, and furnace batch number. Article 24 also states that the materials must be marked with information regarding transplantation before processing; this marking can be done using a marker, and it mainly includes details about the material and its specifications. However, actual practices vary from factory to factory. Here, the main thing is to ensure that the material specifications are used correctly, as long as they correspond to the material receipt form. But I think using the inventory number in the warehouse is sufficient, as that number includes information such as the material and specifications. It’s not appropriate to do otherwise; after all, it’s not difficult to write a few words. By doing this, there’s no need to check the inventory sheet to confirm the materials. At least none of the factories I’ve worked with have done it this way.
You need to check what the warranty manual in your factory specifies.
Article 70 states that at the designated location 50 mm away from the weld of the main stressed component, the welder’s identification stamp must be applied. But Mahmah, is the marking of the product number you mentioned mandatory and permanent? If so, please tell me where, thank you.