Packed with know-how to reduce defects in resin molding! Achieve longer lifespan by replacing existing screws!
The "DPS Series" is a screw made using Daido Special Steel's corrosion-resistant and wear-resistant materials, achieving a long lifespan. We offer a wide range of grades, including ultra-high wear-resistant and ultra-corrosion-resistant specifications. You can trust us with the design, manufacturing, and maintenance of screws, cylinders, and various parts for injection molding machines and extruders. 【Features】 - Uses corrosion-resistant and wear-resistant materials from Daido Special Steel, achieving a long lifespan - Manufactured at low cost due to the equipment capabilities and unique methods of the screw manufacturer - Produces screws for injection molding machines and extruders from various manufacturers, including special screws - Supports standard materials (Hcr plating, nitriding) and various coatings for screws *For more details, please download the PDF or feel free to contact us.
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【Lineup】 ○DPS400 →Characteristics: High wear resistance and high corrosion resistance *Prevention of burning and contamination (Exhibits remarkable resin release properties due to a unique surface hardening layer) →Hardness: HRC56–58 →Applications: Compatible with super engineering plastics (Examples of use: PBT+GF30–40%, PA+GF30–40%, POM+GF30–40%, PVC, etc.) ○DPS450R →Characteristics: Ultra wear resistance and ultra corrosion resistance (Excellent corrosion resistance and mirror finish due to ESR treatment and powder manufacturing, preventing erosion from gases like PPS. Ideal for GF reinforced grade resins) →Hardness: HRC60–62 →Applications: Compatible with super engineering plastics (Examples of use: PPS+GF30–40%, PA6T+GF30%–40%, etc.) ○DPS570X →Characteristics: Super ultra wear resistance and high corrosion resistance (Incredible hardness combined with flexibility achieved through powder manufacturing, ensuring long life for even the most demanding resins) →Hardness: HRC68–70 →Applications: Compatible with super engineering plastics (PPS+GF50% or more, PA+GF50% or more, LCP (high temperature grade), mica, plamag, ceramics, etc.) *For more details, please download the PDF or feel free to contact us.
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Company information
Watanabe Manufacturing Co., Ltd. is a manufacturer of injection molding machines and extruder screws and cylinders. Due to the rapid advancements in engineering plastics in recent years, plastic has been adopted for all critical safety components, including parts for automotive engines and even in the field of aircraft engines. Harsh resins have been developed one after another, increasing their applications as functional components. Our screws and cylinders are made from corrosion-resistant and wear-resistant materials, and we hope to achieve fully unmanned production for even just one more minute. Watanabe Manufacturing aims to be a leading company in parts for injection molding and extruders, responding to customer needs from screws and cylinders to on-site maintenance and education in resin molding.