Double Needle Bar Warp Knitting Machine
The double needle bar Warp Knitting Machine is a popular warp knitting machine that is widely used to produce mesh fabrics, seamless fabrics, flannel, blankets,etc. Double Needle Bar Machines includes RD5, RD6, RD7, RDJ5/1, RDJ6/2 types, the special textile structure contains upper and bottom surface and pile yarn between them. The continuous development of RD machines makes our products more stable and outstanding.
Working Width/Gauge: 138", 200"/ E18,E22,E24;
Working Speed: 50-750rpm (Depends on yarn and designs);
Knock-over Comb Bar Distance: 1-12mm (Easily Adjustable swiveling device);
Bars/Knitting Elements: 2 needle bars with latch needle units (individual latch needle and latch needle blocks), 2 knock-over comb bars, and 2 moveable stitch comb bars.
Pattern Drive System: Pattern Discs Drive or EL Drive;
Yarn Let-off Device: Electronical Yarn Let-off System;
Fabric Take-up: Electronical Fabric Take-up System;
Batching Device: Electronical Batching Device;
Laser Stops Detector;
Online Service Supported.
Double Needle Bar,Double Needle Bed,Rd Machine,Double Needle Bar Machines, Blanket Warp Knitting CHANGHZOU A-ZEN TEXTILE TECHNOLOGY CO.,LTD , https://www.barmachinery.com
Product Description
ZY is a professional Conical Twin Screw Barrel manufacturer which has been in this line for 12 years, we have exported our products to more than 42 different countries with our reliable products and services.
Our advantages:
1)Professional and dedicated manufacturer
2)Various material options
3)ISO9001: 2008 quality control
4)On time delivery
5)Good services
Specification:
24/52, 35/76, 45/90, 45/100, 50/105, 51/105, 55/110, 55/120, 58/124, 60/125, 65/120, 65/132, 68/143, 70/135, 70/140, 75/150, 80/143, 80/156, 92/188, 105/213
The above are standard specifications, we can customize according to customers' requirements.
The compression ratio of screws can be designed according to different products and ingredients
Technical Information
Base Materials:
1)38CrMoAlA(JIS SACM645)
2)42CrMo(AISI 4140)
3)4Cr5MoSi V1 (JIS SKD-61)
4)9Cr18MOV
5)HPT
Bimetallic alloy materials:
1)Fe-based alloy
2)Ni-based alloy/Deloro alloy
3)Co-based alloy
4)NiCo-based alloy
5)Tungsten carbide/Wolfram carbide
Technics:
Heat treatment
High-frequency quenching
Nitriding treatment
Hard-chrome electroplating
Bimetallic alloy welding
Bimetallic alloy centrifugal casting
Technical parameter:
Nitrided layer depth: 0.5-0.8mm
Nitrided hardness: 900-1000HV
Nitrided brittleness: Less than grade 1
Surface roughness: Ra0.4
Linearity of screw: 0.015mm
Hard-chrome plating hardness after nitriding: >=950HV
Chrome-plating layer depth: 0.025-0.085mm
Bimetallic layer depth: 3mm
Warranty and service: 1 year
Our screw and barrel can ensure high performance and low energy consumption for extruder machine.
What's more, we can supply the most optimum designs of screw barrel with your requirements.
Technical Data: