Product Name: High Quality Textile Warp Knitting Beam Model NO.: 30"x21" Condition: New Customized: Customized Certification: CE, ISO9001: 2000 Processing Trade: Processing with Material Supplied Mechanical Process: CNC Processing Level: Precision Finishing Material: Aluminum Alloy Match Machine: Printing and Dyeing Equipment Processing Type: metal Processing Classification: Special Parts Trademark: onEREEL Transport Package: Single Bag Packing Specification: 30"x21" Origin: Ningbo China HS Code: 84484990 Product Description warp knitting beam for KARL MAYER warper knitting machineSpecification :30"*21"Diameter:762mmLength:540mmPipe diameter:300mmHole diameter:152.7mmInternal width:470mmIf you need any change ,we can according to your request !Flange:Made of high strength aluminium alloy and manufactured by high pressure forging press,so it has excellent rigidity and durability .Barrel:As an extrued pipe of heat-treaded aluminium alloy ,it has high strength and precision.Welding :Welded with high precision MIG automatic welding method by ROBOT system.Surface treatment:Through hard anodizing coating treatment,Corrosion and surface scratching are entirely prevented.Beacuse of dynamic balancing fuction,a good compatibility with knitting machine is maintaine even though high-speed rotation.Durability and precision are maintained even after several years utility.Welcome to any inquiry, we can pleasure to offer our best price to you .