Classification
YG(B)381 Balck board machine
Category:
keywords:
Fiber &Yarn testing instrument
YG(B)381 Balck board machine
Balck board machine
Product Description
【Scope of Application】:
This instrument is used to shake cotton, synthetic fibers and various blended yarns onto a standard blackboard to evaluate and determine the appearance quality grade of the yarns.
【Related Standards】:
GB9996 "Blackboard Inspection Method for Appearance Quality of Pure Cotton and Synthetic Fiber Yarns", ASTM D2255
【Instrument Performance】:
1. The instrument adopts a single-wall tailstock structure, a fully digital speed control circuit, and a modular design, making the operation simple and providing higher reliability.
2. The spindle and screw rod are driven by one motor. The driving motor uses a synchronous motor, and the motor is driven by a V-belt transmission, resulting in low noise and easier maintenance.
【Technical Parameters】:
1. Blackboard specification: 250×220×2mm
2. Yarn shaking density: According to the GB9996 standard, it is six density levels, namely 7, 9, 11, 13, 15, and 19 strands per centimeter, and in addition to the GB403 standard density, there are a total of seven density levels.
3. Pre-tension method: Graded weight plate tensioning method
4. Blackboard rotational speed: 60~350r/min, adjustable continuously
5. Overall power: ≤50W
6. Power supply: Ac220V 50Hz
7. Dimensions: Length×Width×Height = 720×480×250mm
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