1029:-
Uppskattad leveranstid 7-11 arbetsdagar
Fri frakt för medlemmar vid köp för minst 249:-
In scientific work ways of increase of reliability and durability of the mechanism of a needle from elastic communication, in sewing-machines, for the purpose of maintenance of reliable and durable work of the mechanism of a needle, dynamic loadings in support of links are considered, hardenings of a working surface of a needle and details, a choice of a material of needles, and also modes of hardenings and technological schemes processing by a laser beam are recommended laser.On the basis of teoretiko-experimental researches ways increase of service life of a needle to20 are foundand is reached productivity of sewing-machines 2254 coupler/minute.
- Format: Pocket/Paperback
- ISBN: 9786203199505
- Språk: Engelska
- Antal sidor: 88
- Utgivningsdatum: 2020-12-29
- Förlag: LAP Lambert Academic Publishing