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1.Both the inner and outer tracks are formed by CNC grinding machine,thus the rings are with smooth surface,same edges and high precision.Both the flatness and the parallelism are better than those normal PG rings.
2.With advanced heat treatment processes,the Vickers hardness reaches UHV830-850.Chrome coating and polishing makes a shorter running-in period.
3.High quality GCr15(100Cr6)bearing steel with strong wear resistance is good at anti fatigue.
4.Suitable for most types of fibers,and makes yarn less hair,less breakages,higher quality and higher spinning efficiency.
5.Suitable for the spinning of compact yarns and the spinning of medium and high counts’yarns.
RAW MATERIALS:
1.C20 STEEL SERIES 2.GCr15 BEARING STEEL SERIES
SURFACE TREATMENT OF STEEL RING:
1.ADVANCED POLISHING PROCESS 2.PROFESSIONAL CHROME-PLATED PROCESS 3.PERFECT CNC SPECIAL HEAT TREATMENT AND ALLOY COATING PROCESS
Specificafion fable:
| TYPE | MODEL | d | D | H | b | YARN COUNT | TRAVELLER TYPE |
| BC6 | 3847 | 38 | 47 | 10 | 3.1 | Cotton,chemical fiber and blended below 60s | BC6 PG12 |
| 3551 | 35 | 51 | |||||
| 3554 | 35 | 54 | |||||
| 3854 | 38 | 54 | |||||
| 3851 | 38 | 51 | |||||
| 4251 | 42 | 51 | |||||
| 4254 | 42 | 54 | |||||
| 4554 | 45 | 54 | |||||
| BC9 | 3854 | 38 | 54 | 2.5 | Cotton,chemical fiber and blended below 30s | BC9 | |
| 4054 | 40 | 54 | |||||
| 4254 | 42 | 54 | |||||
| 4554 | 45 | 54 | |||||
| PG1/2 | 3254 | 32 | 54 | 10 | 2.6 | Cotton,chemical fiber and blended below 32s | OSS RSS CO |
| 3554 | 35 | 54 | |||||
| 35442 | 35 | 44.2 | |||||
| 3547 | 35 | 47 | |||||
| 35502 | 35 | 50.2 | |||||
| 3551 | 35 | 51 | |||||
| 3854 | 38 | 54 | |||||
| 3847 | 38 | 47 | |||||
| 3851 | 38 | 51 | |||||
| 3854 | 38 | 54 | |||||
| 4251 | 42 | 51 | |||||
| 4254 | 42 | 54 | |||||
| PG1 | 3544 | 35 | 44 | 10 | 3.2 | Cotton,Polyster, Blends for 18s-45 Cotton,Polyster, Blends for 18s-45 | FO BFO 6802 6903 GS BK FU BSO FO BFO 6802 6903 GS BK FU BSO |
| 3547 | 35 | 47 | |||||
| 3551 | 35 | 51 | |||||
| 3554 | 35 | 54 | |||||
| 3847 | 38 | 47 | |||||
| 3851 | 38 | 51 | |||||
| 3854 | 38 | 54 | |||||
| 4051 | 40 | 51 | |||||
| 4054 | 40 | 54 | |||||
| 42502 | 42 | 50.2 | |||||
| 4251 | 42 | 51 | |||||
| 4254 | 42 | 54 | |||||
| 4260 | 42 | 60 | |||||
| 4554 | 45 | 54 | |||||
| 4560 | 45 | 60 | |||||
| 4757 | 47 | 57 | |||||
| 5160 | 51 | 60 | |||||
| 35442 | 35 | 44.2 | |||||
| 35442 | 35 | 44.2 | |||||
| 35502 | 35 | 50.2 | |||||
| 35502 | 35 | 50.2 | |||||
| 42502 | 42 | 50.2 | |||||
| 42502 | 42 | 50.2 | |||||
| PG2 | 4856 | 48 | 56 | 4 | otton,Chemical Fiber, Blends below 20s | G GO | |
| 5160 | 51 | 60 | |||||
| 4554 | 45 | 54 |