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13905809167

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Wang Jiaming (Manager)

Phone:
0580-8231369
Phone:
13905809167
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0580-8233517
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PE pipe extruder screw

PE pipe extruder screw
price Negotiable
  • FX1268 Model FX1268
  • Brand
  • 生产商 Manufacturer nature
  • 舟山市 Zhoushan City

Updated: 2019-11-04 10:34:23 Views: 2340

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Product introduction
PE pipe extruder screw surface hardness: HV≥900 Nitrided layer depth: 0.5-0.8mm Surface WC / Co overall spray welding, which can effectively improve the service life of the screw.
PE pipe extruder screw specifications: Ф15mm-Ф300mm zui large length: not more than 10000mm
1. Material: 38CrMoAl A nitriding treatment, surface hardness: HV≥900 depth of nitrided layer: 0.5-0.8mm
2. Material: WC / Co overall spray welding on the surface can effectively increase the service life of the screw.
PE pipe extruder screw design principle:
The main part of the pin screw is an ordinary screw, and the pin can be set in the falling groove of the melting section or the metering section of the screw or a smooth cylindrical surface without a screw groove at the end of the metering section. The pins are arranged in a certain arrangement, which can vary in density and quantity. The cylindrical pin is formed by assembling the pin into the hole of the screw; the square or diamond pin is formed by milling the pin directly on the screw.
If these pins are set in the melting zone, the pins can break the solid bed, disrupt the two-phase flow, stir the solid and liquid phases together, and increase the contact area between the undissolved solid phase fragments and the contained material, and promote Melting. If the pin is set in the melt conveying area, its main function is to divide the material flow, increase the interface, change the direction of the material flow, and rearrange the flow beam. Diverted and merged many times to change the flow direction and make the melt composition and temperature uniform.
The mixing section is an inwardly grooved structure provided at the end of the ordinary screw homogenizing section, and its outer diameter is equal to the outer diameter of the screw. The grooves are divided into several groups, and between each group is a confluence area of materials. The materials are divided by grooves, meet at the confluence area, and then divide and merge. The principle is similar to the pin type.
The characteristic of the separate type screw is that in addition to the original screw pattern (called the main screw) on the melting section, a thread (called an additional thread) is added. Its outer diameter is slightly smaller than the outer diameter of the main thread. The lead is different. The auxiliary thread starts from the end of the feeding section (and is connected to the feeding section here). After several threads, it gradually intersects with the main thread of the homogenizing section.
The screw groove depth and thread lead of this screw are gradually changed from the beginning of the feeding section to the end of the homogenization. The screw lead gradually narrows from the width and the screw groove depth gradually decreases from the depth, so that the material can get the maximum compression.
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Zhoushan Jiaming Machinery Co., Ltd. Main Products: Zhoushan Screw, Rubber Extruder Screw Barrel, Injection Mold Screw Barrel Address: No. 24 Dafeng Road, Xiqiao Industrial Zone, Jintang Town, Dinghai District, Zhoushan City, Zhejiang Province 0580-8231369 Mobile: 13905809167 Fax: 0580-8233517
Design and production of plastic machinery nets, ripping without permission will be investigated. Copyright (C) http://www.siamtlr.com , All rights reserved.

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