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Views: 16 Author: Site Editor Publish Time: 2023-03-22 Origin: Site
Recently so many Ethiopia tender will occur belows specification about Doubling winding machine . let me talk about it today .
1. Major technical specification
1.1. Feeding package specification
Types of yarns -staple yarns and textured filament yarns
Range of yarn count- Ne 7-120
Types of input package-copes and cones
Maximum Feed package diameter (mm)-
Weight of feed package
1.2. Output package specification
Types of packages-cones
Number of yarns-double
Max outside diameter
Min inside diameter
Tube length
Yarn winding density
Traverse length (mm)
1.3. Machine specification
Types of machines: double-sided
Number of spindles: 36
Type of spindle
Package Creeling mechanisms
Package doffing mechanisms
Yarn piecing mechanisms
1.3.1. Unwinding mechanism
Yarn withdrawal mechanisms
Types of package holder
Package holder diameter
Package holder distance (mm)
Arrangement of Package holder
Anti-balloon device (balloon breaker)
Yarn guides
1.3.2. Tensioning mechanisms
Yarn tensioning type
Yarn tension adjustment mechanism
1.3.3. Package building mechanisms
Yarn take-up diameter (mm)
Yarn traversing mechanisms
Pressure adjusting mechanism
sphere former device
Electronic yarn length measurement device
1.3.4. Machine driving specifications
Types motors used for driving
Package driving mechanisms
Suitability for machine start-up
Lubrication mechanism (Centralized lubrication, forced
circulation of filtered oil to all major drive functions)
Speed adjustments mechanisms
Starting system
Other driving mechanisms of the same.
1.3.5. Machine frames
Rigidity and durability of machine frames
Materials used and treatments for machine frames
1.3.6. Machine control, monitoring and software tools
Yarn break control mechanism
Level of machine automation
Interactive display (Equipped with user friendly and
informative screen color display system with fault
indication menu and displaying production and quality
reports per shift, per operator etc.)
Machine controlling and monitoring systems /CPU
(Provided with required features)
Microprocessor speeds, memory capacity and circuit
board setup for digitalized components
Visibility of the machine status
Software tools (for manage machine setting, yarn tension, yarn length, Equipped with a suction device
Others feature if any
1.3.7. Production capacity
Effective Spindle speed (rpm)
Yarn take-up rate
Production in kg/hr/spindle
Winding efficiency
1.4. List of accessories, tools and spare parts
All necessary spare parts that could serve for at least two years and components/accessories shall be comprehensively identified and included in the bid, and all the items to be supplied shall be of the highest quality.
2. Technical Advantages
2.1. Utility Consumption
Power Consumption (installed and absorbed in kW/hour/machine)
2.2. Features
Features leading to Lowest energy consumption; Automatic air blowing system to clean the comb; Automatic fluff guard device; Features leading to maximum efficiency; Features leading to Minimum waste amount; Equipped with multi-function-interface panel, Easy to operate
Features leading to quality improvement; Highly accurate tension control
Features leading to mechanical and operational reliability; Features leading to Ease of Maintenance; Long machine service life; Features leading to decreased spare part consumption (in number of items and quantity of each); Man power requirement
Year of Manufacture: New
Could have a minimum noise and vibration
3. Machine Dimension ( LxWxH)
4. Country of origin: Preferably Europe and similar origin
5. Quality and performance guarantee standards:
Stated achievable quality levels; Stated performance guarantee; Experience and reliability in the supply of machinery related to the project; Bidder’s market share and experience in the world market (Asia, America, Africa, Europe etc) as regard to the particular machines being offered; Specific & relevant experience in supplying of these Particular machines in this lot to Ethiopia; Specific & relevant experience in supplying of these particular machines in this lot to developing countries; After Sales Service & reliability of spare parts supply; Execution of schedule, detailed with machine manufacturing, readying for shipment, erection, commissioning and training.
6. Scope of Training and methodology
No of trainees (operator, technicians, technologists, Engineers)
Duration of training (in Months-days)
Place of training (abroad and in house)
7. Availability of machines documentation:
The bidder shall present machines and spare parts catalogues and express his/her commitment to present all the necessary machineries’ documents such as: operational and maintenance manuals, etc.)
8. Gross & net weight; & number of containers required during transportation of the lot
Gross and net weight of machine/equipment
Total number of containers required during transportation of the samenumber of yarn strands, package
Creeling and doffing, administration, etc.)
Equipped with overhead cleaner
So we recommend our DW7060H 6 Or 12 Spindles Thread Cone Winder Laboratory Cone Winding Machine Lab Wool Yarn Lab Cone Winding Machine DW7060 ,Wet Spinning Machine,Sample Weaving Machine -Abest Tester Group (abest-tester.com)
A modern enterprise specializing in R&D, design, production and sales of textile.
