- Country of manufactureRussia
- Circle materialFelt
FELT CIRCLE -
One of the most favourite, reliable and widespread polirovalnik of metal is a circle felt.
Such circle is made surely of natural high-quality felt which, in turn, is made of the pressed wool and is divided into subgroups:
- tonkosherstny circles;
- polugrubosherstny circles;
- grubosherstny circles.
Tonkosherstny felt circles more gentle and thin are also applied to processing of the most responsible details of devices. With Polugrubosherstnye surgical instruments, and also details which demand more quality finishing (a detail of precision measuring instruments) polish. And in all other cases grubosherstny felt circles are applicable.
The detours taken from soft felt polish non-ferrous metal and aluminum, but it is necessary to consider that they wear out than the circles made of solid felt, more dense quicker.
It is necessary to consider that moment on care of felt circles that they quickly become soiled and therefore it is necessary to store them in the place easy and pure, after use to store, having turned in white paper. And if after all the circle became soiled it is necessary to remove dirt with a piece of pumice at the same time to level a surface of a polishing circle.
Felt differs also with composition of fibers on a structure of wool and shares on:
- down (the most elastic fibers with the most large number of scales on a surface);
- transitional hair;
- a dead hair (more rough, deprived of elasticity fibers which do not have a cheshuyny structure).
COMPOSITION OF WOOLEN FELTS:
|Name of felt||Content of fibers in felts in mass fractions, %|
|Down||Transitional hair||Awn||Dead hair|