Shore Rubber Hardness Scale for Elements in Tape Recorders, Photocopiers & Printers: Source?

Question

I am looking at what scale of rubber hardness (Shore scale) rubber elements are produced, rolls, belts, idlers, in tape recorders, photocopiers, printers, etc. Anyone have a source?

telecaster1951 · Answer

Can you explain what exactly you mean? Because I have no idea what you're asking.

niewolno2 · Answer

Maybe you mean composition of rubber and hence its hardness, abrasion resistance as well as temperature resistance and various types of chemistry.

bieganie · Answer

I don't know what's wrong with this question? Since I am asking the question about the hardness of rubber used in the production of elements used in electronics, it is implicitly known that, among other things, the consumption of material is the result of operation in various conditions.

telecaster1951 · Answer

Read and understand what is wrong. You ask according to what hardness scale, then you write according to the Shore scale. Your question is difficult to answer. All rubber strips have a hardness adapted to the specific application. The belt working with steel wheels will have different hardness and plastic wheels with different hardness. If a soft strap of 95 was used for soft polyamide, then the polyamide would wear off. If a steel hardness belt were attached to a steel wheel, the belt would end. It is difficult to answer your question.

bieganie · Answer

Well, I have noticed that I am sorry. Returning to the wear of the rubber, I guess it uses differently depending on what it wipes. Asking a question I hoped that someone from the forum worked in the production of the above elements, or somewhere saw some exact table. Factories probably have them.

telecaster1951 · Answer

Factories do not have. And if they have, they are confidential documents. V-belts for cars have a hardness of over 90 degrees (D) belts on plastic wheels for 3d printers, small CNC milling machines etc. is about 80 (C). How much exactly nobody will say. It is not just hardness that matters. The composition of the mixture also. Why did Stomil's stripes fall after 1000km and Pirelli stuck and 100,000? The hardness was similar, but the Polish mixture crumbled after half a year and the Italian one after 10 years was flexible.

bieganie · Answer

As your knowledge is confirmed, that printer and cutter. CNC have about 80 this is also information. Generally, I meant it, assuming printing. 3d needs a lot of time for printing, this load, e.g. in a tape deck drive, where there are also rubber rollers and the assumed working time of the device, let's say similar, it can be assumed that the hardness of rubber elements is similar.

I know that rubber is uneven

Shore Rubber Hardness Scale for Elements in Tape Recorders, Photocopiers & Printers: Source?

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