Product Catalogue. About us: Best Plastic Machinery is located in Zhoushan Islands. We have so many experiences. Our Factory.

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1 Product Catalogue About us: Best Plastic Machinery is located in Zhoushan Islands. We have so many experiences of manufacture different screws and barrels. Our product now has provided to more than 10 countries, such German, UK, Italy, USA, Russia, Brazil... We can manufacture not only single screw barrel, twin screw barrel, bimetallic screw barrel, but also we can fully harded screw, whole tungsten screw, high speed screw... Our Factory Contact me: Address: Ligang Industrial Zone, Jintang Town, Dinghai District, Zhoushan, Zhejiang P.R.CHINA, Website: Tel : Fax: Jerry@best-machinery.com

2 Single screw barrel and fully hardened screw barrel Inner diameter: Ø 20 ~ Ø300 L/D= 15 to 55 Quenching and tempering hardness: HB240 to 280 Nitration hardness: HV900 to 1,050 Nitrated layer depth: 0.5 to 0.8mm Thickness of Cr-coating Layer: mm Nitration fragility: grade 1 Surface roughness: 0.4Ra Straightness: 0.015mm Cr-coating layer hardness: HV 950HV Depth of Bimetallic Layer: 2mm to 5mm Bimetallic hardness: HRC56 to 65 (Ni-based alloy) Material :quality alloy steels Din , Din CrAlMo7 AISI4140 W6Mo5Cr4V2 SKD61, SKD11 38CrMoAl Heat-treatment: Nitriding treatment Electroplated hard-chrome finish High-frequency quenching Spray coating Bimetallic-alloy vacuum quenching

3 Twin Screw Barrel Ø40~ Ø200 Quenching and tempering hardness: HB240 to 280 Nitration hardness: HV900 to 1,050 Nitrated layer depth: 0.5 to 0.8mm Thickness of Cr-coating Layer: mm Nitration fragility: grade 1 Surface roughness: 0.4Ra Straightness: 0.015mm Cr-coating layer hardness: HV 950HV Depth of Bimetallic Layer: 2mm to 5mm Bimetallic hardness: HRC56 to 65 (Ni-based alloy) We can offer the following models of screw and barrel, and have complete drawings of these models, and does not require you to provide drawings. Conical twin screw barrel Davis-standard GC 6, GC 8(GC61), GC 10 Cincinnati Milacron CM 55, CMT58, CM 65, CM 80/156, CM 92/188 Kraussmaffei KMD40 KK, KMD60 KK Parallel twin screw barrel Battenfeld BEX 65-18, BEX 65-22, BEX 90-16, BEX 90-22, BEX , BEX , Kraussmaffei KMD 60, KMD 75-26, KMD 75-36, KMD 90-23, KMD 90-26, KMD 90-32, KMD , KMD , KMD , KMD , KMD Weber DS 8.22 Φ86.8, DS 850/2b Φ90

4 Rubber screw barrel inner Diameter :Ø20-Ø300 Quenching and tempering hardness: HB240 to 280 Nitration hardness: HV900 to 1,050 Nitrated layer depth: 0.5 to 0.8mm Thickness of Cr-coating Layer: mm Nitration fragility: grade 1 Surface roughness: 0.4Ra Straightness: 0.015mm Cr-coating layer hardness: HV 950HV Depth of Bimetallic Layer: 2mm to 5mm Bimetallic hardness: HRC56 to 65 (Ni-based alloy) Material :quality alloy steels Din , Din CrAlMo7 AISI4140 W6Mo5Cr4V2 SKD61, SKD11 38CrMoAl Heat-treatment: Nitriding treatment Electroplated hard-chrome finish High-frequency quenching Spray coating Bimetallic-alloy vacuum quenching

5 Bimetallic Screws Barrel Main types:carbonation Tungsten Bimetallic (equal to Xaloy-800) Standard Bimetallic (equal to Xaloy-102)

6 Building Block Screw Barrel inner Diameter :Ø20-Ø180 Effective length:12000mm Quenching and tempering hardness: HB240 to 280 Nitration hardness: HV900 to 1,050 Nitrated layer depth: 0.5 to 0.8mm Thickness of Cr-coating Layer: mm Nitration fragility: grade 1 Surface roughness: 0.4Ra Straightness: 0.015mm Cr-coating layer hardness: HV 950HV Depth of Bimetallic Layer: 2mm to 5mm Bimetallic hardness: HRC56 to 65 (Ni-based alloy) Material :quality alloy steels 34CrAlNi7(Din ) W6Mo5Cr4V2 38CrMoAl Heat-treatment: Nitriding treatment Electroplated hard-chrome finish High-frequency quenching Spray coating Bimetallic-alloy vacuum quenching We supply various types of screw barrel, if you have any inquiry, do not hesitate to inform me: jerry@best-machinery.com